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Text File | 1998-03-22 | 346KB | 9,270 lines

Interrupt List, part 12 of 16 Copyright (c) 1989,1990,1991,1992,1993,1994,1995,1996,1997,1998 Ralf Brown --------O-2FAF00----------------------------- INT 2F - WinDOS v2.11 - INSTALLATION CHECK AX = AF00h Return: AL = FFh if installed Program: WinDOS is a DOS clone (claimed to be mostly MS-DOS 5.0 API compatible) written by Heiko Goemann SeeAlso: AX=AF01h"WinDOS",INT 21/AH=30h ----------2FAF00----------------------------- INT 2F U - ??? AX = AF00h ??? Return: AX = 0000h if interface supported SeeAlso: AX=AF02h,AX=AF03h,AX=AF04h,AX=AF13h,AX=AF30h --------O-2FAF01----------------------------- INT 2F - WinDOS v2.11 - TURN ON ONLINE MODE AX = AF01h Return: nothing Desc: indicate that the user will not exchange floppy disks, allowing WinDOS to cache disk sectors in memory and avoid writing modified sectors back out to the floppy disk SeeAlso: AX=AF00h"WinDOS",AX=AF02h"WinDOS" --------O-2FAF02----------------------------- INT 2F - WinDOS v2.11 - TURN OFF ONLINE MODE AX = AF02h Return: nothing Desc: indicate that the floppy disk may be removed, and that WinDOS should write all buffered sectors out to the floppy disk SeeAlso: AX=AF00h"WinDOS",AX=AF01h"WinDOS" ----------2FAF02----------------------------- INT 2F U - ??? AX = AF02h ??? Return: ES = ??? SeeAlso: AX=AF00h --------O-2FAF03----------------------------- INT 2F - WinDOS v2.11 - TURN VIDMEM ON AX = AF03h Return: AX = status 0000h successful 0001h CPU not in mode set by DOS386=On 0002h video adapter in graphics mode 0003h memory chain corrupted SeeAlso: AX=AF00h"WinDOS",AX=AF04h"WinDOS",AX=AF05h"WinDOS" ----------2FAF03----------------------------- INT 2F U - ??? AX = AF03h ??? Return: DX = ??? SeeAlso: AX=AF00h --------O-2FAF04----------------------------- INT 2F - WinDOS v2.11 - TURN VIDMEM OFF AX = AF04h Return: AX = status 0000h successful 0001h video memory is in use SeeAlso: AX=AF00h"WinDOS",AX=AF03h"WinDOS",AX=AF05h"WinDOS" ----------2FAF04----------------------------- INT 2F U - ??? AX = AF04h ??? Return: ??? SeeAlso: AX=AF00h --------O-2FAF05----------------------------- INT 2F - WinDOS v2.11 - GET VIDMEM STATE AX = AF05h Return: AX = status (0000h off, 0001h on) SeeAlso: AX=AF00h"WinDOS",AX=AF03h"WinDOS",AX=AF04h"WinDOS" ----------2FAF05----------------------------- INT 2F U - ??? AX = AF05h ??? Return: ??? SeeAlso: AX=AF00h --------O-2FAF06----------------------------- INT 2F - WinDOS v2.11 - MAKE PROGRAM UNBREAKABLE AX = AF06h DS:DX -> break handler DI:BX = stack to use for break handler Return: nothing Desc: set a handler which should be invoked when Ctrl-C is pressed instead of aborting the program SeeAlso: AX=AF00h"WinDOS",AX=AF0Ah"WinDOS",AX=AF0Ch"WinDOS" --------O-2FAF07----------------------------- INT 2F - WinDOS v2.11 - SIGNAL FATAL OVERLAY FAULT AX = AF07h Return: never -- system reset Desc: pop up a window indicating that the system overlay file can not be loaded SeeAlso: AX=AF00h"WinDOS",AX=AF08h"WinDOS" --------O-2FAF08----------------------------- INT 2F - WinDOS v2.11 - SIGNAL RECOVERABLE OVERLAY FAULT AX = AF08h Return: nothing Desc: pop up a window requesting that a disk containing SH.OVL be inserted SeeAlso: AX=AF00h"WinDOS",AX=AF07h"WinDOS",AX=AF0Bh --------O-2FAF09----------------------------- INT 2F - WinDOS v2.11 - GET TERMINATED PSP AX = AF09h Return: DS = PSP segment of most recently ended TSR SeeAlso: AX=AF00h"WinDOS",AX=AF0Ah --------O-2FAF0A----------------------------- INT 2F - WinDOS v2.11 - GET MAIN SHELL PSP AX = AF0Ah Return: AX = shell's PSP (same as DS on last call to AX=AF06h) Desc: get the PSP address of the last program to call AX=AF06h (normally the main command interpreter) SeeAlso: AX=AF00h"WinDOS",AX=AF06h"WinDOS",AX=AF09h --------O-2FAF0B----------------------------- INT 2F - WinDOS v2.11 - SIGNAL FATAL ERROR AX = AF0Bh Return: never -- system reset Desc: pop up a window indicating a terminal system error SeeAlso: AX=AF00h"WinDOS",AX=AF07h,AX=AF08h,AX=AF15h"WinDOS" --------O-2FAF0C----------------------------- INT 2F - WinDOS v2.11 - GET OTHER MAIN SHELL PARAMETERS AX = AF0Ch Return: DI:AX = stack SI = offset of break handler Desc: retrieve the parameters last set by AX=AF06h (normally by the main command interpreter) SeeAlso: AX=AF00h"WinDOS",AX=AF06h"WinDOS" --------O-2FAF0D----------------------------- INT 2F - WinDOS v2.11 - GET CURRENT PARAMETER AX = AF0Dh BX = offset of desired parameter in global data area Return: AX = current value of parameter (AH undefined if byte value) SeeAlso: AX=AF00h"WinDOS",AX=AF0Eh --------O-2FAF0E----------------------------- INT 2F - WinDOS v2.11 - SET CURRENT PARAMETER BYTE VALUE AX = AF0Eh BX = offset of desired parameter in global data area DL = new value of parameter Return: nothing SeeAlso: AX=AF00h"WinDOS",AX=AF0Dh --------O-2FAF0F----------------------------- INT 2F - WinDOS v2.11 - GET HISTORY SEGMENT AX = AF0Fh Return: AX = segment of buffer for input history, or 0000h if none SeeAlso: AX=AF00h"WinDOS",AX=AF10h"WinDOS" --------O-2FAF10----------------------------- INT 2F - WinDOS v2.11 - SET HISTORY SEGMENT AX = AF10h BX = segment of new buffer for input history Return: nothing Note: the buffer must have been allocated with INT 21/AH=48h SeeAlso: AX=AF00h"WinDOS",AX=AF0Fh"WinDOS" --------O-2FAF11----------------------------- INT 2F - WinDOS v2.11 - FREE XMS BLOCKS AX = AF11h Return: nothing Desc: free all XMS blocks whose XMS identification value (see AX=AF12h) equals the current PSP SeeAlso: AX=AF00h"WinDOS",AX=AF12h"WinDOS",INT 21/AH=50h --------O-2FAF12----------------------------- INT 2F - WinDOS v2.11 - SET XMS IDENTIFICATION VALUE AX = AF12h DS = new XMS identification value (normally caller's PSP segment) Return: nothing SeeAlso: AX=AF00h"WinDOS",AX=AF11h"WinDOS" ----------2FAF12----------------------------- INT 2F U - ??? AX = AF12h ??? Return: ES = ??? SeeAlso: AX=AF00h --------O-2FAF13----------------------------- INT 2F - WinDOS v2.11 - SET ASSIGN VALUE AX = AF13h BL = number of drive to remap (00h = A:) DL = number of drive to be accessed via drive number BL Return: nothing Desc: remap a drive letter Note: the remapping can be canceled by specifying DL=BL SeeAlso: AX=AF00h"WinDOS",AX=AF14h"WinDOS",AX=0601h ----------2FAF13----------------------------- INT 2F U - ??? AX = AF13h ??? Return: ??? SeeAlso: AX=AF00h --------O-2FAF14----------------------------- INT 2F - WinDOS v2.11 - GET ASSIGN VALUE AX = AF14h BL = drive number (00h = A:) Return: DL = drive number which is actually accessed by drive number BL Desc: determine the current mapping for a drive SeeAlso: AX=AF00h"WinDOS",AX=AF13h"WinDOS",AX=0601h --------O-2FAF15----------------------------- INT 2F - WinDOS v2.11 - SIGNAL STACK ERROR AX = AF15h Return: never -- system reset Desc: pop up a window indicating a stack overflow SeeAlso: AX=AF00h"WinDOS",AX=AF0Bh"WinDOS" --------O-2FAF16----------------------------- INT 2F - WinDOS v2.11 - GET SIMPLE TRUENAME AX = AF16h DS:SI -> path to be canonicalized ES:DI -> buffer for canonicalized filename/pathname Return: CF clear if successful AX = 0000h CF set on error AX = DOS error code (see #1366 at INT 21/AH=59h/BX=0000h) Desc: partially canonicalize a path, omitting SUBST, JOIN, ASSIGN, and network redirections SeeAlso: AX=AF00h"WinDOS",INT 21/AH=60h --------O-2FAF17----------------------------- INT 2F - WinDOS v2.11 - QUERY FOR NEW CURRENT DRIVE AX = AF17h Return: nothing Desc: pop up a dialog allowing the user to select a new default drive SeeAlso: AX=AF00h"WinDOS" --------O-2FAF18----------------------------- INT 2F - WinDOS v2.11 - SET CTRL-C/CTRL-BREAK DISABLE FLAG AX = AF18h DL = new break-checking state (00h enabled, 01h disabled) Return: nothing SeeAlso: AX=AF00h"WinDOS" --------O-2FAF19----------------------------- INT 2F - WinDOS v2.11 - SET HEAD SETTLE FLAG AX = AF19h DL = new state 00h diskette head settling time reset to 15ms before each access 01h no additional head settling time used between accesses Return: nothing SeeAlso: AX=AF00h"WinDOS" --------O-2FAF1A----------------------------- INT 2F - WinDOS v2.11 - SEARCH FOR NON-FRAGMENTED DISK AREA AX = AF1Ah BL = drive (00h = current, 01h = A:, etc.) CX = number of clusters desired Return: CF clear if successful DI = first free cluster on logical drive BP = first cluster of contiguous free area AX destroyed CF set on error AX = DOS error code (see #1366 at INT 21/AH=59h/BX=0000h) Desc: attempt to find an area of the disk containing the specified number of contiguous unallocated clusters SeeAlso: AX=AF00h"WinDOS" ----------2FAF30----------------------------- INT 2F U - ??? AX = AF30h ??? Return: ??? SeeAlso: AX=AF00h --------d-2FAFDE----------------------------- INT 2F - Disk-Emu - INSTALLATION CHECK / GET VERSION AX = AFDEh ES:DI -> 14-byte buffer for data (see #2663) Return: AX = CFDEh (Carlos Fernandez Disk-Emu) if installed BX = version (BH = major, BL = minor) Format of Disk-Emu information data: Offset Size Description (Table 2663) 00h BYTE number of tracks 01h BYTE sectors per track 02h WORD bytes per sector 04h BYTE number of heads 05h BYTE flag: 00h inactive, 01h active 06h BYTE write protection (00h none, 01h full, 02h pseudo) 07h BYTE saved (00h some unsaved data, 01h all data saved) 08h BYTE disk in memory (00h no, 01h yes) 09h WORD EMS handle 0Bh WORD XMS handle 0Dh BYTE memory type used for disk (00h XMS, 01h EMS) --------V-2FB000----------------------------- INT 2F - DOS 3.3+ GRAFTABL.COM - INSTALLATION CHECK AX = B000h Return: AL = status 00h not installed, OK to install 01h not installed, not OK to install FFh installed Notes: called by DISPLAY.SYS documented for DOS 5.0, but undocumented in prior versions SeeAlso: AX=2300h,AX=2E00h,AX=B001h --------V-2FB001----------------------------- INT 2F - DOS 3.3+ GRAFTABL.COM - GET GRAPHICS FONT TABLE AX = B001h DS:BX -> DWORD buffer for address of 8x8 font table Return: buffer filled AL = FFh Note: PC-DOS 3.30/4.01 and MS-DOS 6.0 set the font table offset to 0130h, MS-DOS 3.30 sets it to 0030h SeeAlso: AH=2Eh"GRAFTABL",AX=B000h --------I-2FB400----------------------------- INT 2F - IBM PC3270 EMULATION PROG v3 - INSTALLATION CHECK AX = B400h Return: AL = FFh if installed --------I-2FB401----------------------------- INT 2F - IBM PC3270 EMULATION PROG v3 - GET HOST BUFFER ADDRESS AX = B401h Return: ES -> host screen buffer (PC ASCII format) ES unchanged if communications not started --------I-2FB402----------------------------- INT 2F - IBM PC3270 EMULATION PROG v3 - ??? AX = B402h BX = ??? Return: ??? --------I-2FB403----------------------------- INT 2F - IBM PC3270 EMULATION PROG v3 - ??? AX = B403h ??? Return: ??? --------I-2FB404----------------------------- INT 2F - IBM PC3270 EMULATION PROG v3 - ??? AX = B404h ??? Return: ??? --------I-2FB405----------------------------- INT 2F - IBM PC3270 EMULATION PROG v3 - ??? AX = B405h ??? Return: ??? --------f-2FB700----------------------------- INT 2F - APPEND - INSTALLATION CHECK AX = B700h Return: AL = status 00h not installed FFh installed Note: MS-DOS 3.30 APPEND refuses to install itself when run inside TopView or a TopView-compatible environment SeeAlso: AX=B702h --------f-2FB701----------------------------- INT 2F U - APPEND v3.21 only - GET APPEND PATH AX = B701h Return: ES:DI -> active APPEND path Notes: the only version of APPEND known to support this call is the APPEND shipped with Microtek MS-DOS 3.21; MS-DOS 3.30-6.00 APPEND displays "Incorrect APPEND Version" and aborts the caller use AX=B704h first, and only call this function if that one is not supported SeeAlso: AX=B700h,AX=B704h --------f-2FB702----------------------------- INT 2F - APPEND - GET VERSION AX = B702h Return: AX = FFFFh if not DOS 4.0 APPEND (also if DOS 5.0 APPEND) AL = major version number AH = minor version number, otherwise SeeAlso: AX=B700h,AX=B710h --------f-2FB703----------------------------- INT 2F U - DOS 3.3, DOS 5.0 APPEND - HOOK INT 21 AX = B703h ES:DI -> INT 21 handler APPEND should chain to Return: ES:DI -> APPEND's INT 21 handler Note: each invocation of this function toggles a flag which APPEND uses to determine whether to chain to the user handler or the original INT 21 SeeAlso: AX=B700h,AX=B706h --------f-2FB704----------------------------- INT 2F - DOS 3.3+ APPEND - GET APPEND PATH AX = B704h Return: ES:DI -> active APPEND path (128 bytes max) Note: some versions of append do not support this call, and return ES unchanged; in this case, you should call AX=B701h to get the APPEND path SeeAlso: AX=B701h --------f-2FB706----------------------------- INT 2F - DOS 4.0+ APPEND - GET APPEND FUNCTION STATE AX = B706h Return: BX = APPEND state (see #2664) SeeAlso: AX=B700h,AX=B707h Bitfields for APPEND state: Bit(s) Description (Table 2664) 0 set if APPEND enabled 1-11 reserved 12 (DOS 5.0) set if APPEND applies directory search even if a drive has been specified 13 set if /PATH flag active 14 set if /E flag active (environment var APPEND exists) 15 set if /X flag active --------f-2FB707----------------------------- INT 2F - DOS 4.0+ APPEND - SET APPEND FUNCTION STATE AX = B707h BX = APPEND state bits (see #2664) SeeAlso: AX=B700h,AX=B706h --------f-2FB710----------------------------- INT 2F U - DOS 3.3+ APPEND - GET VERSION INFO AX = B710h Return: AX = current APPEND state (see #2664) BX = ??? (0000h in MS-DOS 3.30 and 5.00) CX = ??? (0000h in MS-DOS 3.30 and 5.00) DL = major version DH = minor version SeeAlso: AX=B700h,AX=B702h --------f-2FB711----------------------------- INT 2F - DOS 4.0+ APPEND - SET RETURN FOUND NAME STATE AX = B711h Note: if the next INT 21h call (and ONLY the next) is function 3Dh, 43h, or 6Ch (also 4B03h and 4Eh if /X active), the fully qualified filename is written over top of the filename passed to the INT 21h call. The application must provide a sufficiently large buffer. This state is reset after the next INT 21h call processed by APPEND. APPEND uses the byte at offset 3Dh in the PSP (see #1066 at INT 21/AH=26h) to store the flag telling it to overwrite the filename BUG: DOS 4.0 APPEND reportedly overwrites DS:DX instead of DS:SI for INT 21/AH=6Ch SeeAlso: INT 21/AH=26h,INT 21/AH=4Eh --------N-2FB800----------------------------- INT 2F - NETWORK - INSTALLATION CHECK AX = B800h Return: AL = status 00h not installed nonzero installed BX = installed component flags (test in this order!) bit 6 server bit 2 messenger bit 7 receiver bit 3 redirector bit 1 LANPUP (LANtastic 4.0) Notes: this function is supported by PC LAN Program, LAN Manager, LANtastic, NetWare Lite, SilverNET, 10NET, etc. LANtastic and NetWare Lite use only BL for the return value, preserving BH; LAN Manager and DOS LAN Requester return BH=00h. This permits differentiation between those two groups by setting BH to a nonzero value before the call and checking its value on return. SeeAlso: AX=4E53h,AX=B809h --------N-2FB800CXF041----------------------- INT 2F - 10NET - INSTALLATION CHECK AX = B800h CX = F041h Return: AL = status 00h not installed nonzero installed BX = installed component flags (test in this order!) bit 6 server bit 2 messenger bit 7 receiver bit 3 redirector bit 1 LANPUP (LANtastic 4.0) CX = 10Net data segment CX:DX -> 10Net Configuration Table (see #1377 at INT 21/AX=5E01h"10NET") Note: if CX <> F041h on entry, neither CX nor DX will be changed, and this call becomes identical to the standard installation check above SeeAlso: AX=B800h"network",INT 21/AX=5E01h"10NET" --------N-2FB803----------------------------- INT 2F - NETWORK - GET NETWORK EVENT POST HANDLER AX = B803h Return: ES:BX -> current event post handler (see AX=B804h) Note: this function is supported by PC LAN Program, 10NET v5.0, NetSoft DOS-NET v1.20+ SeeAlso: AX=B800h,AX=B804h,AX=B903h --------N-2FB804----------------------------- INT 2F - NETWORK - SET NETWORK EVENT POST HANDLER AX = B804h CX = (10NET) 0370h if 10Windows is hooking post handler ES:BX -> new event post handler (see #2665) Notes: used in conjunction with AX=B803h to hook into the network event post routine this function is supported by PC LAN Program, 10NET v5.0, NetSoft DOS-NET v1.20+ The specified handler is called on any network event. Two events are defined: message received and critical network error. SeeAlso: AX=B800h,AX=B803h,AX=B904h (Table 2665) Values network post routine is called with: AX = 0000h single block message DS:SI -> ASCIZ originator name DS:DI -> ASCIZ destination name ES:BX -> text header (see #2666) AX = 0001h start multiple message block CX = block group ID DS:SI -> ASCIZ originator name DS:DI -> ASCIZ destination name AX = 0002h multiple block text CX = block group ID ES:BX -> text header (see #2666) AX = 0003h end multiple block message CX = block group ID AX = 0004h message aborted due to error CX = block group ID AX = 0101h server received badly formatted network request Return: AX = FFFFh (PC LAN will process error) AX = 0102h unexpected network error ES:BX -> NCB (see #2920 at INT 5C"NetBIOS") AX = 0103h server received INT 24 error other registers as for INT 24, except AH is in BH Return: as below, but only 0000h and FFFFh allowed Return: AX = response code 0000h user post routine processed message 0001h PC LAN will process message, but message window not displayed FFFFh PC LAN will process message Format of text header: Offset Size Description (Table 2666) 00h WORD length of text (maximum 512 bytes) 02h N BYTEs text of message Note: all CRLF sequences in message text are replaced by 14h; all other values below 20h (space) are reserved --------N-2FB807----------------------------- INT 2F - NETWORK - GET NetBIOS NAME NUMBER OF MACHINE NAME AX = B807h Return: CH = NetBIOS name number of the machine name SeeAlso: INT 21/AX=5E00h --------N-2FB808----------------------------- INT 2F U - NETWORK - RELINK KEYBOARD HANDLER AX = B808h ES:BX -> INT 09 handler network should call after it finishes INT 09 Notes: this call replaces the address to which the network software chains on an INT 09 without preserving the original value. This allows a prior handler to unlink, but does not allow a new handler to be added such that the network gets the INT 09 first unless the new handler completely takes over INT 09 and never chains. this function is called by the DOS 3.2 KEYBxx.COM SeeAlso: AX=B908h --------N-2FB809----------------------------- INT 2F - NETWORK - LANtastic, NetWare Lite - GET VERSION AX = B809h Return: AH = major version AL = minor version (decimal) Notes: this function is supported in this form by LANtastic, NetWare Lite, SilverNET, ... NetWare Lite returns its own version number rather than a PC LAN compatibility version SeeAlso: AX=4E53h,AX=B800h,AX=B809h"PC LAN Program" --------N-2FB809----------------------------- INT 2F - NETWORK - PC LAN Program, Microsoft Networking - GET VERSION AX = B809h Return: AH = minor version (decimal) AL = major version Notes: this function is supported in this form by PC LAN Program, LAN Manager, the DOS LAN Requester, 10NET v5.0, and Microsoft Networking under WfWg 3.11 10NET returns version 1.10 (AX=0A01h) for compatibility SeeAlso: AX=4E53h,AX=B800h,AX=B809h"LANtastic" --------N-2FB80A----------------------------- INT 2F u - PC Network 1.00 - ??? AX = B80Ah ??? Return: ??? Program: PC Network is an early networking package which was renamed the IBM PC Local Area Network Program (PC LAN Program) as of v1.10 Note: called by RECEIVER (equivalent to NetWare Lite SERVER) --------N-2FB80E----------------------------- INT 2F U - DOS LAN Requester - GET XSI2 ADDRESS / DATA AX = B80Eh Return: DS:DI -> XSI2 TSR's resident data (see #2667) Note: this function is used by NET.COM to locate the USERID and DOMAIN of the logged-in user (which may differ from the NET START domain name from DOSLAN.INI which is returned by AX=B80Fh) SeeAlso: AX=B800h,AX=B80Fh Format of XSI2 resident data: Offset Size Description (Table 2667) 00h 254 BYTEs ??? FEh 10 BYTEs user ID 1 108h 10 BYTEs user ID 2 112h 10 BYTEs domain name 1 11Ch 10 BYTEs domain name 2 126h ? BYTEs domain controller --------N-2FB80F----------------------------- INT 2F - DOS LAN Requester - GET START PARAMETERS AX = B80Fh CX = size of return data buffer ES:DI -> return data buffer (see #2668) Return: AX = status 00h network started nonzero network not started CX = number of bytes returned in buffer ES:DI buffer filled SeeAlso: AX=B809h"PC LAN Program",AX=B80Eh Format of DOS LAN Requester return data buffer: Offset Size Description (Table 2668) 00h BYTE major version 01h BYTE minor version 02h WORD configuration flags given when network was started (see #2669) 04h 15 BYTEs NET START machine name (space padded) 13h BYTE 00h 14h 9 BYTEs NET START domain name (NULL padded) 1Dh BYTE 00h 1Eh 32 BYTEs /WRK heuristics string (space padded, not terminated) 3Eh WORD /SRV value 40h WORD /ASG value 42h WORD /NBC value 44h WORD /NBS value 46h WORD /BBC value 48h WORD /BBS value 4Ah WORD /PBC value 4Ch WORD /PBS value 4Eh WORD /PFS value 50h WORD /PFT value 52h WORD /PWT value 54h WORD /KUC value 56h WORD /KST value 58h WORD /NVS value 5Ah WORD /NMS value 5Ch WORD /NDB value 5Eh WORD /MBI value 60h BYTE NetBIOS name number for machine name 61h BYTE NetBIOS name number for domain name 62h WORD NetBIOS sessions required for configuration 64h WORD NetBIOS commands required for configuration 66h WORD NetBIOS names required for configuration 68h 128 BYTEs NET START path (LANROOT) E8h BYTE 00h Bitfields for configuration flags: Bit(s) Description (Table 2669) 0 /NVS nonzero 1 /NMS nonzero 2 /API 3 /HIM 4 /LIM 5 /ENC 6 /POP 7 /EMS 8 /RPL 9-12 reserved 13 RDR started 14 RCV started 15 User is currently logged on --------N-2FB900----------------------------- INT 2F - PC Network RECEIVER.COM - INSTALLATION CHECK AX = B900h Return: AL = state 00h if not installed FFh if installed --------N-2FB901----------------------------- INT 2F - PC Network RECEIVER.COM - GET RECEIVER.COM INT 2F HANDLER ADDRESS AX = B901h Return: AL = ??? ES:BX -> RECEIVER.COM INT 2F handler Desc: allows more efficient execution by letting the caller bypass any other INT 2F handlers which have been added since RECEIVER.COM was installed --------N-2FB903----------------------------- INT 2F - PC Network RECEIVER.COM - GET RECEIVER.COM POST ADDRESS AX = B903h Return: ES:BX -> POST handler SeeAlso: AX=B803h,AX=B904h --------N-2FB904----------------------------- INT 2F - PC Network RECEIVER.COM - SET RECEIVER.COM POST ADDRESS AX = B904h ES:BX -> new POST handler SeeAlso: AX=B804h,AX=B903h --------N-2FB905----------------------------- INT 2F - PC Network RECEIVER.COM - GET FILENAME AX = B905h DS:BX -> 128-byte buffer for filename 1 DS:DX -> 128-byte buffer for filename 2 Return: buffers filled from RECEIVER.COM internal buffers Note: use of filenames is unknown, but one appears to be for storing messages SeeAlso: AX=B906h --------N-2FB906----------------------------- INT 2F - PC Network RECEIVER.COM - SET FILENAME AX = B906h DS:BX -> 128-byte buffer for filename 1 DS:DX -> 128-byte buffer for filename 2 Return: RECEIVER.COM internal buffers filled from user buffers Note: use of filenames is unknown, but one appears to be for storing messages SeeAlso: AX=B905h --------N-2FB908----------------------------- INT 2F - PC Network RECEIVER.COM - UNLINK KEYBOARD HANDLER AX = B908h ES:BX -> INT 09 handler RECEIVER should call after it finishes INT 09 Note: this call replaces the address to which RECEIVER.COM chains on an INT 09 without preserving the original value. This allows a prior handler to unlink, but does not allow a new handler to be added such that RECEIVER gets the INT 09 first. SeeAlso: AX=B808h --------V-2FBC00----------------------------- INT 2F - Windows 3.0, DOS 5+ EGA.SYS - INSTALLATION CHECK AX = BC00h Return: AL = state 00h not installed, OK to install 01h not installed, not OK to install FFh installed BX = 5456h ("TV") Range: AH=80h to AH=FFh, selected by commandline switch SeeAlso: AX=BC06h"EGA",INT 10/AH=FAh"EGA" --------s-2FBC00BX3F3F----------------------- INT 2F - MediaVision MVSOUND.SYS - INSTALLATION CHECK AX = BC00h BX = 3F3Fh ('??') CX = 0000h DX = 0000h Return: if installed, BX XOR CX XOR DX = 4D56h ('MV') Program: MVSOUND.SYS is a driver for the MediaVision ProAudio Spectrum family of sound boards; its primary programmer was Bryan Crane SeeAlso: AX=BC01h"MVSOUND",AX=BC02h,AX=BC03h,AX=BC04h,AX=BC06h"MVSOUND" --------s-2FBC01----------------------------- INT 2F - MediaVision MVSOUND.SYS - GET VERSION AX = BC01h BX = magic value 6D20h ('m ') CX = magic value 2076h (' v') DX = magic value 2020h (' ') Return: BX = ASCII major version (leading zeros significant) CX = ASCII minor version (leading zeros significant) SeeAlso: AX=BC00h/BX=3F3Fh --------s-2FBC02----------------------------- INT 2F - MediaVision MVSOUND.SYS - GET STATE TABLE POINTER AX = BC02h Return: AX = 4D56h ('MV') BX:DX -> state table SeeAlso: AX=BC00h/BX=3F3Fh,AX=BC03h --------s-2FBC03----------------------------- INT 2F - MediaVision MVSOUND.SYS - GET FUNCTION TABLE POINTER AX = BC03h Return: AX = 4D56h ('MV') BX:DX -> function table CX = ??? (000Eh) SeeAlso: AX=BC00h/BX=3F3Fh,AX=BC02h --------s-2FBC04----------------------------- INT 2F - MediaVision MVSOUND.SYS - GET DMA AND IRQ CHANNELS AX = BC04h Return: AX = 4D56h ('MV') BL = DMA channel CL = IRQ number SeeAlso: AX=BC00h/BX=3F3Fh,AX=BC01h"MVSOUND" --------V-2FBC06----------------------------- INT 2F U - MS Windows 3.0, DOS 5+ EGA.SYS - GET VERSION INFO AX = BC06h Return: BX = 5456h ("TV") CH = major version CL = minor version DL = revision SeeAlso: AX=BC00h"EGA",INT 10/AH=FAh"EGA" --------s-2FBC06----------------------------- INT 2F - MediaVision MVSOUND.SYS - GET STATUS STRING AX = BC06h Return: AX = 4D56h ('MV') DX:BX -> status string (first byte 0Ch if no status message to display) SeeAlso: AX=BC00h/BX=3F3Fh,AX=BC01h"MVSOUND",AX=BC0Bh"MVSOUND" --------s-2FBC0B----------------------------- INT 2F - MediaVision MVSOUND.SYS - GET EXECUTABLE PATH AX = BC0Bh Return: BX:DX -> ASCIZ path for MVPROAS.EXE, 0000h:0000h if not available SeeAlso: AX=BC00h/BX=3F3Fh --------s-2FBC0E----------------------------- INT 2F - MediaVision MVSOUND.SYS - RE-INITIALIZE INT 09 HANDLER AX = BC0Eh Return: BX = status 0000h on failure AX = 0000h FFFFh if successful DX:AX -> prior INT 09 handler Desc: re-initialize INT 09 handler to re-enable hotkeys (e.g. after loading KEYB) --------U-2FBE00----------------------------- INT 2F - REDVIEW - INSTALLATION CHECK AX = BE00h Return: AL = FFh if installed Program: REDVIEW is a public-domain TSR by Alexandr Novy and Petr Horak which copies data sent to standard output to standard error when the former has been redirected to a file, thus allowing the data to be seen on the screen at the same time it is captured in a file --------N-2FBF00----------------------------- INT 2F - PC LAN PROGRAM REDIRIFS.EXE internal - INSTALLATION CHECK AX = BF00h Return: AL = FFh if installed Note: this function is also supported by NetSoft's DOS-NET v1.20+; however, none of the remaining BFxxh calls are supported SeeAlso: AX=BF01h,AX=BF80h,INT 2A/AX=4147h --------N-2FBF01----------------------------- INT 2F U - PC LAN PROGRAM REDIRIFS.EXE internal - ??? AX = BF01h ??? Return: ??? SeeAlso: AX=BF00h --------N-2FBF80----------------------------- INT 2F - PC LAN PROG REDIR.SYS internal - SET REDIRIFS ENTRY POINT AX = BF80h ES:DI -> FAR entry point to IFS handler in REDIRIFS Return: AL = FFh if installed ES:DI -> internal workspace Note: all future IFS calls to REDIR.SYS are passed to the ES:DI entry point SeeAlso: AX=BF00h --------F-2FC0------------------------------- INT 2F - METZ XpressFax Hardware TSR (CLASS2) - API AH = C0h AL = function code (01h to 15h) Return: ??? SeeAlso: AX=C000h/BX=444Bh,AX=CB00h/BX=4D53h --------N-2FC000----------------------------- INT 2F - Novell ODI Link Support Layer (LSL.COM) - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed DX:BX -> FAR entry point (see #2670,#2671,#2672) ES:SI -> signature string "LINKSUP$" Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: on return, ES = DX for LSL v1.10 and v2.05; LSL makes use of this in its search for a previous installation SeeAlso: AX=5100h,AX=C000h"NESL" (Table 2670) Call LSL function "Request MLID Registration" with: BX = 0001h ES:SI -> registration??? record (see #2674) DS:DI -> buffer for LSL information block (see #2675) Return: AX = completion code (0000h,8001h) (see #2673) DS:DI buffer filled if successful BX,CX corrupted Note: see "Novell LAN Driver Developer's Guide, Volume III" for more details (Table 2671) Call LSL function "get support entry points" with: BX = 0002h ES:SI -> buffer for entry point record (see #2676) Return: ES:SI buffer filled (Table 2672) Call LSL function "Request MLID API entry point" with: BX = 0003h Return: ES:SI -> MLID (Multiple Link Interface Driver) API entry point (call with BX=function 00h-10h, not range-checked) Note: LSL v1.10 and v2.05 execute BX=0003h for BX=0000h and any BX >= 0003h (Table 2673) Values for LSL completion code: 0000h successful 8001h out of resources 8002h bad parameter 8003h no more items 8004h item not present 8005h failed 8006h receive overflow 8007h canceled 8008h bad command 8009h duplicate entry 800Ah no such handler 800Bh no such driver Format of LSL registration record: Offset Size Description (Table 2674) 00h DWORD -> ??? FAR function (to be called with ES:SI -> ??? and returning AX = completion code) 04h DWORD -> ??? 08h DWORD -> ??? data (at least 3Eh bytes) Format of LSL information block: Offset Size Description (Table 2675) 00h DWORD -> ??? entry point (called with BX=function 00h-11h) 04h WORD ??? 06h WORD ??? Note: due to a fencepost error, LSL v2.05 (distributed with Novell DOS 7) will crash if the above entry point is called with BX=0012h Format of entry point record: Offset Size Description (Table 2676) 00h DWORD pointer to protocol support entry point in LSL (see #2677) 04h DWORD pointer to general support entry point in LSL (see #2678) (Table 2677) Call protocol support entry point with: BX = function number 0000h ??? 0001h ??? 0002h ??? 0003h "ScheduleAESEvent" ES:SI -> AES ECB to be scheduled (see #2681) Return: ES,SI preserved 0004h "CancelAESEvent" ES:SI -> ECB to be cancelled (see #2681) Return: ES,SI preserved 0005h "GetIntervalMarker" Return: DX:AX = current interval marker in milliseconds all other registers preserved 0006h "RegisterStack" AX = logical board number ES:SI -> bound stack info structure (see #2691) Return: BX = assigned Stack ID if AX=0000h 0007h "DeRegisterStack" AX = protocol stack's assigned Stack ID 0008h "RegisterDefaultStack" AX = logical board number ES:SI -> stack info structure (see #2692) 0009h "DeRegisterDefaultStack" AX = logical board number 000Ah "RegisterPrescanStack" AX = logical board number ES:SI -> stack info structure (see #2692) 000Bh "DeRegisterPrescanStack" AX = logical board number 000Ch "SendPacket" ES:SI -> send ECB Return: interrupts disabled 000Dh ??? 000Eh ??? 000Fh ??? 0010h "GetStackIDFromName" ES:SI -> counted NUL-terminated protocol name (max 15 chars) Return: BX = Stack ID if AX=0000h 0011h "GetPIDFromStackIDBoard" AX = Stack ID for protocol CX = logical board number ES:SI -> 6-byte buffer for protocol ID 0012h "GetMLIDControlEntry" AX = logical board number Return: ES:SI -> MLID control handler (see #2679) if AX=0000h 0013h "GetProtocolControlEntry" AX = Stack ID or FFFEh Prescan stack CX = logical board number FFFFh default protocol CX = logical board number Return: ES:SI -> protocol stack control entry point if AX=0000h (see #2680) 0014h "GetLSLStatistics" Return: AX = 0000h (successful) ZF set ES:SI -> LSL statistics table (see #2683) 0015h "BindStack" AX = protocol stack's assigned Stack ID CX = logical board number 0016h "UnbindStack" AX = protocol stack's assigned Stack ID CX = logical board number 0017h "AddProtocolID" AX = frame type ID code ES:SI -> 6-byte protocol ID CX:DI -> counted NUL-terminated short protocol name (max 15 ch) 0018h "RelinquishControl" Return: after LSL performs any necessary background processing 0019h "GetLSLConfiguration" Return: AX = 0000h (successful) ZF set ES:SI -> LSL configuration table (see #2682) 001Ah "GetTickMarker" Return: AX = number of 55ms ticks since LSL loaded BX destroyed Return: AX = completion code (see #2673) ZF set if successful SS:SP, DS, BP preserved; most other registers may be destroyed (Table 2678) Call general support entry point with: BX = function number 0000h "Allocate Memory" (obsolete) always returns AX=8008h (BAD_COMMAND) 0001h "Free Memory" (obsolete) always returns AX=8008h (BAD_COMMAND) 0002h "Realloc Memory" (obsolete) always returns AX=8008h (BAD_COMMAND) 0003h "Memory Statistics" (obsolete) always returns AX=8008h (BAD_COMMAND) 0004h "Add Memory To Pool" (obsolete) always returns AX=8008h (BAD_COMMAND) 0005h "AddGeneralService" ES:SI -> General Service Control Block (see #2693) 0006h "RemoveGeneralService" ES:SI -> General Service Control Block (see #2693) 0007h "GetNETcfgPath" Return: AX = 0000h (successful) DS:DX -> ASCIZ pathname for NET.CFG 0008h U ??? (in LSL 1.10) Return: AX = 0000h ES:SI -> ??? (a 22-byte data area) 000Ah "GetCriticalSectionStatus" Return: BX = total outstanding calls to "StartCriticalSection" 000Bh "ServiceEvents" interrupts disabled Return: interrupts disabled 0010h "GetStackECB" DS:DI -> Lookahead structure (see #2694) interrupts disabled Return: ES:SI -> ECB if successful (AX=0000h,ZF set) interrupts disabled 8000h-FFFFh reserved for user general service providers Return: AX = completion code (see #2673) ZF set if successful SS:SP, DS, BP preserved (Table 2679) Call MLID control handler with: AX = logical board number BX = function number 0000h "GetMLIDConfiguration" Return: ES:SI -> MLID's configuration table if successful (see #2686 for format) 0001h "GetMLIDStatistics" Return: ES:SI -> MLID's statistics table if successful (see #2686 for format) 0002h "AddMulticastAddress" ES:SI -> 6-byte multicast address to add 0003h "DeleteMulticastAddress" ES:SI -> 6-byte multicast address to delete 0005h "MLIDShutdown" CX = type 0000h permanent (also deregisters from LSL) other temporary (shutdown hardware only) 0006h "MLIDReset" reinitialize board / restart from temp shutdown 0007h "Create Connection" (obsolete?) ??? 0008h "Delete Connection" (obsolete?) ??? 0009h "SetLookAheadSize" CX = requested lookahead size (00h-80h) 000Ah "PromiscuousChange" CX = what to receive promiscuously bit 0: MAC frames bit 1: non-MAC frames 000Bh "RegisterReceiveMonitor" CX = subfunction 0000h disable receive monitoring else enable receive monitoring ES:SI -> monitor receive routine ES:DI -> monitor transmit routine 000Ch "Driver Poll" (obsolete?) ??? Return: AX = completion code (see #2673) ZF set if successful Note: not all boards/MLIDs support function 0010h; see bit 13 in the MLID mode flags field of the MLID's configuration table (Table 2680) Call protocol stack control entry point with: BX = function number 0000h "GetProtocolStackConfiguration" Return: ES:SI -> protocol stack's configuration table (see #2685) 0001h "GetProtocolStackStatistics" Return: ES:SI -> protocol stack's statistics table (see #2684) 0002h "BindToMLID" CX = board number to bind to ES:SI -> implementation-dependant parameter string 0003h "UnBindFromMLID" CX = board number from which protocol should unbind ES:SI -> optional implementation-dependant parameter string 0004h "MLIDDeRegistered" CX = board number that has de-registered from LSL Return: AX = status 0000h successful else implementation-dependant error codes ZF set if successful SS:SP, DS, BP preserved Format of AES ECB: Offset Size Description (Table 2681) 00h DWORD "AESLink" pointer used by LSL for list management 04h DWORD number of milliseconds to wait 08h DWORD "AESStatus" (is set to 00000000h when AES ESR is invoked) 0Ch DWORD -> function to be invoked when time expires ES:SI will point to this structure on entry, DS, BP, and SS:SP must be preserved. SeeAlso: #2695 Format of LSL Configuration Table: Offset Size Description (Table 2682) 00h BYTE major version of configuration table 01h BYTE minor version of configuration table (decimal, 0-99) 02h 8 BYTEs reserved 0Ah BYTE LSL major version (decimal) 0Bh BYTE LSL minor version (decimal, 0-99) ---LSL 1.0x --- 0Ch 14 BYTEs reserved ---LSL 1.10+ --- 0Ch WORD maximum number of boards which LSL can handle 0Eh WORD maximum number of protocol IDs which LSL can handle 10h 12 BYTEs reserved Format of LSL Statistics Table: Offset Size Description (Table 2683) 00h BYTE major version of statistics table format 01h BYTE minor version of statistics table format (decimal, 0-99) 02h WORD "GenericCounters" number of counters in static portion of table 04h DWORD "ValidCountersMask" bit mask indicating which generic counters are actually used. Bit 31 = TotalTxPackets, bit 30 is the next field, etc. 08h DWORD "TotalTxPackets" total SendPacket requests made 0Ch DWORD reserved 10h DWORD reserved 14h DWORD "AESEventsCount" number of completed AES events 18h DWORD "PostponedEvents" number of events postponed due to critical sections inside the MLIDs 1Ch DWORD "CancelAESFailures" number of times CancelAESEvent failed 20h DWORD reserved 24h DWORD reserved 28h DWORD "TotalRxPackets" total number of GetStackECB requests 2Ch DWORD "UnclaimedPackets" total number of packets not consumed by a protocol stack 30h WORD "NumberCustom" number of custom variables that follow 32h N DWORDs custom counters N DWORDs -> CustomCounterStrN (one per custom counter) var length-prepended and NULL terminated string for Counter 0 ... var length-prepended and NULL terminated string for Counter N-1 SeeAlso: #2684,#2690 Format of Protocol Stack Statistics Table: Offset Size Description (Table 2684) 00h BYTE statistics table major version 01h BYTE statistics table minor version (decimal, 0-99) 02h WORD number of generic counters following 04h DWORD "ValidCountersMask" (bitmask, bit 31 is TotalTxPackets) 08h DWORD TotalTxPackets 0Ch DWORD TotalRxPackets 10h DWORD IgnoredRxPackets 14h WORD number of custom counters 16h N DWORDs custom counters N DWORDs -> CustomCounterStrN (one per custom counter) var length-prepended and NULL terminated string for Counter 0 ... var length-prepended and NULL terminated string for Counter N-1 SeeAlso: #2683,#2690 Format of Protocol Stack Configuration Table: Offset Size Description (Table 2685) 00h BYTE configuration table major version 01h BYTE configuration table minor version (decimal, 0-99) 02h DWORD -> counted NUL-terminated long descriptive name for protocol 06h DWORD -> counted NUL-terminated short name for protocol (15 chars) 0Ah BYTE protocol stack major version 0Bh BYTE protocol stack minor version (decimal, 0-99) 0Ch 16 BYTEs reserved for future use Format of MLID Configuration Table: Offset Size Description (Table 2686) 00h 26 BYTEs signature 'HardwareDriverMLID ' (8 spaces on end) 1Ah BYTE configuration table major version 1Bh BYTE configuration table minor version (decimal, 0-99) 1Ch 6 BYTEs node address 22h WORD MLID mode flags (see #2687) 24h WORD board number 26h WORD board instance (if more than one of same board installed) 28h WORD maximum packet size 2Ah WORD BestDataSize 2Ch WORD WorstDataSize 2Eh DWORD -> counted NUL-terminated long name for NIC 32h DWORD -> counted NUL-terminated short name for NIC (8 chars max) 36h DWORD -> counted NUL-terminated Frame and Media type 3Ah WORD reserved (0000h) 3Ch WORD frame type ID 3Eh WORD TransportTime (milliseconds) 40h DWORD -> SourceRouteHandler for TokenRing. (Used by ROUTE.COM) 44h WORD lookahead size 46h WORD line speed (Mbps if high bit clear, else Kbps) 48h WORD QueueDepth 4Ah 6 BYTEs reserved (0) 50h BYTE driver major version 51h BYTE driver minor version (decimal, 0-99) 52h WORD bus/multicast flags (see #2688) 54h WORD send retries 56h DWORD ConfigTableLink 5Ah WORD MLID sharing flags (see #2689) 5Ch WORD slot number 5Eh WORD I/O address 1 60h WORD I/O range 1 62h WORD I/O address 2 64h WORD I/O range 2 66h DWORD memory address 1 6Ah WORD memory size 1 6Ch DWORD memory address 2 70h WORD memory size 2 72h BYTE interrupt line 1 73h BYTE interrupt line 2 74h BYTE DMA line 1 75h BYTE DMA line 2 Bitfields for MLID mode flags: Bit(s) Description (Table 2687) 15 MLID supports Octet Reversal 14 node address is non-canonical 13 promiscuous mode is supported 12-8 reserved 7 LDataSize field in LookAhead structure supported 6 raw send supported 5 MLID needs to be polled by LSL 4 reserved (0) 3 multicasting is supported 2 not currently used by DOS ODI, set to 0. 1 network card uses DMA. 0 RealDriverBit, always set to 1. Bitfields for bus/multicast flags: Bit(s) Description (Table 2688) 10-9 specialized multicast support 00 = Group addressing is default for medium 01 = Invalid 10 = Filter group address in MLID. 11 = Adapter filters group address. 2 supports Micro Channel cards 1 supports ISA cards 0 supports EISA cards Bitfields for MLID sharing flags: Bit(s) Description (Table 2689) 8 NIC can share DMA2 7 NIC can share DMA1 6 NIC can share IRQ2 5 NIC can share IRQ1 4 NIC can share Memory2 3 NIC can share Memory1 2 NIC can share IO2 1 NIC can share IO1 0 MLID is currently shut down Format of MLID Statistics Table: Offset Size Description (Table 2690) 00h BYTE driver statistics table major version 01h BYTE driver statistics table minor version (decimal, 0-99) 02h WORD number of generic counters (typically 13) 04h DWORD "ValidCountersMask" (bit mask, bit 31 is TotalTxCount) 08h DWORD TotalTxCount 0Ch DWORD TotalRxCount 10h DWORD NoECBAvailableCount 14h DWORD TxTooBigCount 18h DWORD TxTooSmallCount 1Ch DWORD RxOverflowCount 20h DWORD RxTooBigCount 24h DWORD RxTooSmallCount 28h DWORD TxMiscCount 2Ch DWORD RxMiscCount 30h DWORD TxRetryCount 34h DWORD RxChecksumErrorCount 38h DWORD RxMismatchCount 3Ch WORD number of custom counters 3Eh N DWORDs custom counters N DWORDs -> CustomCounterStrN (one per custom counter) var length-prepended and NULL terminated string for Counter 0 ... var length-prepended and NULL terminated string for Counter N-1 SeeAlso: #2683,#2684 Format of bound stack info structure: Offset Size Description (Table 2691) 00h DWORD -> protocol stack's short name (counted, NUL-terminated) 04h DWORD -> receive handler 08h DWORD -> control handler Format of stack info structure: Offset Size Description (Table 2692) 00h DWORD -> receive handler 04h DWORD -> control handler Format of General Service Control Block: Offset Size Description (Table 2693) 00h DWORD -> next GSCB (maintained internally by LSL) 04h DWORD -> entry point for general service handler 08h WORD command code for this general service (8000h-FFFFh) Note: the control block must not be altered or deallocated until the general service is removed Format of Lookahead structure: Offset Size Description (Table 2694) 00h DWORD -> Media header 04h DWORD -> lookahead buffer 08h WORD length of lookahead buffer 0Ah 6 BYTEs protocol ID 10h WORD logical board number 12h WORD lookahead size Format of ODI ECB: Offset Size Description (Table 2695) 00h DWORD link to next ECB 04h DWORD link to previous ECB 08h WORD general status 0000h received successfully 8006h packet overflow 8007h reception aborted (data not valid) 0Ah DWORD -> event service routine or RETF (never 0000h:0000h)(see #2696) 0Eh WORD protocol stack identifier 10h 6 BYTEs protocol ID (sending only) 16h WORD MLID board number (sending only) 18h 6 BYTEs MAC destination address 1Eh 4 BYTEs driver workspace 22h 8 BYTEs protocol workspace 2Ah WORD total length of sent buffer 2Ch WORD fragment count 2Eh 2 WORDs segment,offset of first fragment buffer 32h WORD length of first fragment buffer ... SeeAlso: #2681 (Table 2696) Values event service routine is called with: ES:SI -> associated ODI ECB (see #2695) interrupts disabled Return: DS,BP,SS,SP preserved interrupt disabled Notes: the service routine may invoke any IPX/ODI function except CloseSocket it is safe to send a packet and wait for completion if enough stack space is available --------N-2FC000----------------------------- INT 2F - Novell NetWare Event Service Layer (NESL) 1.0 - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed DX:BX -> FAR entry point (see #2697,#2698,#2699,#2700,#2701,#2702) ES:SI -> signature string "NESL_EVENTS" Program: NESL is a generic interface for event handling in ODI drivers and other NetWare-oriented modules. Primarily intended to support power management and "hot swapping" of PCMCIA cards, but it is not limited to this. Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"Link Support Layer",AX=C000h"NETWARN" (Table 2697) Call NESL function GetNESLConfigPointer with: BX = 0000h Return: AX = completion code (0000h,8008h) (see #2703) ES:SI -> NESL configuration table if successful (see #2704) BP,DS,STACK preserved Desc: Obtain a pointer to the NESL Configuration Table SeeAlso: #2698,#2701 (Table 2698) Call NESL function RegisterEventProducer with: BX = 0001h ES:SI -> Producer Event Control Block (PECB) (see #2705) Return: AX = completion code (0000h, 8005h, 8008h) (see #2703) ES:SI -> still points to PECB BP,DS,STACK preserved Desc: Allows a module to register as a producer of a given event class Note: PECB_ClassName and PECB_Flags must be filled in on entry SeeAlso: #2556,#2699,#2700,#2701 (Table 2699) Call NESL function DeRegisterEventProducer with: BX = 0002h ES:SI -> PECB previously passed to RegisterEventProducer (see #2705) Return: AX = completion code (0000h, 8002h, 8008h) (see #2703) ES:SI -> still points to PECB BP,DS,STACK preserved Desc: Allows a module to de-register as a producer of a given event class SeeAlso: #2698,#2702 (Table 2700) Call NESL function EventNotification with: BX = 0003h ES:SI -> PECB previously registered (see #2705) Return: AX = completion code (0h, 8005h, 8008h) (see #2703) ES:SI -> still points to PECB BP,DS,STACK preserved Desc: Allows a module to signal that an event has just occurred in a given event class. Notes: Once called, NESL will generate corresponding callouts for this event, as described in Table #2707. on entry, the PECB_DataPtr must point at an Event Parameter Block (EPB) (see #2708) filled in to match the desired event SeeAlso: #2698 (Table 2701) Call NESL function RegisterEventConsumer with: BX = 0004h ES:SI -> Consumer Event Control Block (CECB) (see #2706) Return: AX = completion code (0h, 8005h, 8008h) (see #2703) ES:SI -> still points to CECB BP,DS,STACK preserved Desc: Allows a module to register as a consumer of a given event class Note: on entry, the CECB_ClassName, CECB_NotifProc and CECB_OSILevel must be filled in. SeeAlso: #2698,#2702 (Table 2702) Call NESL function DeRegisterEventConsumer with: BX = 0005h ES:SI -> CECB previously passed to RegisterEventConsumer (see #2706) Return: AX = completion code (0h, 8002h, 8008h) (see #2703) ES:SI -> still points to CECB BP,DS,STACK preserved Desc: Allows a module to de-register as a consumer of a given event class SeeAlso: #2699,#2701 (Table 2703) Values for NESL Error code: 0000h Successful 8002h Bad Parameter 8005h Fail 8008h Bad Command Format of NESL Configuration Table: Offset Size Description (Table 2704) 00h WORD NESL_Cfg_MajVer Major Version of this table (=1) 02h WORD NESL_Cfg_MinVer Minor Version of this table (=0) 04h DWORD NESL_Cfg_ModLName -> ASCIZ long name of NESL module (typically -> "NetWare Event Service Layer for 16-Bit DOS") 08h DWORD NESL_Cfg_ModSName -> ASCIZ short name of NESL module (typically -> "NESL") 0Ch WORD NESL_Cfg_ModMajVer Major Version of NESL itself (=1) 0Eh WORD NESL_Cfg_ModMinVer Minor Version of NESL itself (=0) Format of NESL Producer Event Control Block (PECB): Offset Size Description (Table 2705) 00h WORD PECB_MajVer Major Version of this structure (=1) 02h WORD PECB_MinVer Minor Version of this structure (=0) 04h DWORD PECB_NextProducer -> next PECB. NULL if last. 08h DWORD PECB_ClassName -> ASCIZ string identifying event class (see #2709) 0Ch DWORD PECB_ConsumerList -> list of consumers for this event class 10h DWORD PECB_DataPtr -> points to additional data during events 14h DWORD PECB_Flags Bit 0 =0 consumers should be called "top down" for this event class. (OSI level 7 down to OSI level 1) =1 consumers should be called "bottom up" Bits 1-31 Reserved =0 18h 8 BYTEs PECB_Reserved (all zeros) Note: Although the event producer provides the memory for the PECB, the NESL module controls this memory until the event class is de-registered. While owned by NESL, this structure should be treated as read-only, except for the PECB_DataPtr field. Format of NESL Consumer Event Control Block (CECB): Offset Size Description (Table 2706) 00h WORD CECB_MajVer Major Version of this structure (=1) 02h WORD CECB_MinVer Minor Version of this structure (=0) 04h DWORD CECB_NextConsumer -> next CECB. NULL if last. 08h DWORD CECB_ClassName -> ASCIZ string identifying event class (see #2709) 0Ch DWORD CECB_NotifProc -> FAR CALL event handler (see #2707) 10h WORD CECB_OSILevel Bits 4-7 = OSI Layer of this module (1 through 7) Bits 0-3 = relative ordering with other modules on same layer 13h 14 BYTEs CECB_Reserved (all zeros) Note: Although the event consumer provides the memory for the CECB, the NESL module controls this memory until the consumer is de-registered. While owned by NESL, this structure should be treated as read-only, (Table 2707) Values NESL Consumer Notification Procedure is called with: ES:SI -> Event Parameter Block (EPB) (see #2708) Return: AX = completion code (0000h, 8005h) (see #2703) ES:SI -> still points to EPB Desc: Called by NESL to notify the consumer when an event has occurred in an event class for which it has registered. SeeAlso: #2706 Format of NESL Event Parameter Block (EPB): Offset Size Description (Table 2708) 00h WORD EPB_MajVer Major Version of this structure (=1) 02h WORD EPB_MinVer Minor Version of this structure (=0) 04h DWORD EPB_ClassName -> ASCIZ string identifying event class (see #2709) 08h DWORD EPB_EventName -> ASCIZ string identifying event within class (see #2710) 0Ch DWORD EPB_ModuleName -> ASCIZ string identifying module producing event 10h DWORD EPB_DataPtr0 -> event-defined data or NULL if not used 14h DWORD EPB_DataPtr1 -> event-defined data or NULL if not used 18h 8 BYTEs EPB_Reserved (all zeros) (Table 2709) Values for NESL Event Class Names: Event Class Description ------------------- ----------------------------------------- Service Suspend Suspension of a service. Called top-down. Service Resume Resumption/availability of a service. Called bottom-up. Service/Status Change Change in status or level of service. Called top-down. Suspend Request Request to suspend a service. Called bottom-up. Note: Contact Novell Labs to register new event classes. (Table 2710) Values for NESL Event Names: Event Name Class Description -------------------------- ------------- --------------------------- MLID Cable Disconnect Service Suspend Cable disconnected from NIC MLID Card Removal Service Suspend PCMCIA card removed MLID Hardware Failure Service Suspend Serious hardware failure in NIC MLID Not In Range Service Suspend Wireless access point is out of range MLID Shutdown Service Suspend MLID was shut down MLID Media Access Denied Service Suspend Access to physical medium unsuccessful MLID Cable Reconnect Service Resume Cable re-connected to NIC MLID Card Insertion Complete Service Resume PCMCIA card inserted MLID In Range Service Resume Wireless access point in range MLID Reset Service Resume MLID was just reset MLID Access Point Change Serv/Status Change Station has moved to new access point MLID Speed Change Serv/Status Change Change in communic. speed Note: Contact Novell Labs to register new event names. For all predefined events above, EPB_DataPtr0 (see #2708) points to the MLID Configuration table (see AX=C000h"ODI") for the affected MLID. --------N-2FC000----------------------------- INT 2F - Novell NetWare Connect NETWARN - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed SI = segment of resident portion Program: NETWARN is a utility supplied with NetWare Connect to warn a remote dialup user when programs are about to be loaded slowly over the modem link. Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: on return, verify that it is NETWARN responding by examining signature at in NETWARN's data table in the resident segment (see #2711) SeeAlso: AX=C000h"ODI",AX=C000h"NESL" Format of NETWARN Configuration structure: Offset Size Description (Table 2711) 103h 7 BYTEs signature string "NETWARN" 10Ah BYTE major version in ASCII (="1") 10Bh BYTE minor version in ASCII (="0") 10Ch DWORD minimum size of EXE cared about in bytes (/S=xxxx) 110h WORD same value in kilobytes (see #2712 [bit 4]) 112h BYTE multiplex code (AH value) actually being used 113h WORD options (see #2712) 115h DWORD INT 21h vector before NETWARN loaded 119h DWORD INT 2Fh vector before NETWARN loaded 11Dh 16 BYTEs ASCIIZ local name of last device which was checked 12Dh 128 BYTEs ASCIIZ remote name of last device which was checked Note: the specified offsets are from the start of the resident segment Bitfields for NETWARN options: Bit(s) Description (Table 2712) 0 ??? (=0) 1 /U (Unload) selected (never in resident) 2 /E (Enabled) Will trap & check EXEC's 3 /D (Disabled) No EXEC checking done 4 /S (Size) was set (see #2711 [offsets 010Ch and 0110h]) 5 /P (Path shown) 6 /H or /? (Help) (never in resident) SeeAlso: #2711 --------f-2FC000----------------------------- INT 2F - FN32 32 character filename utilities - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed ES:DI -> signature string "FN32 32CHAR TSR" Program: FN32 is a TSR which supports 32 character filenames under PC/MS-DOS Note: the TSR intercepts INT 21 calls and performs filename substitution by managing dictionary files in each directory which contains long filenames --------M-2FC000----------------------------- INT 2F - QMR - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed ES:DI -> signature string "QMR1!" Program: QMR (Cove Software, Quick Mouse Reset) monitors the mouse service interrupt (int 33h) and substitutes a fast software reset (mouse fn 21h) for the slow hardware reset (mouse fn 0). Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C001h"QMR",AX=C002h"QMR",AX=C003h"QMR" --------V-2FC000----------------------------- INT 2F - VGAsave v1.93 - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed BX = segment of resident code Program: VGAsave is a freeware VGA-specific, mouse-aware screenblanker by Bill Javurek Range: AH=C0h to AH=FFh, selected by scanning for a free multiplex number Note: the transient portion of VGAsave compares the first 38 bytes of the resident code (addressed through BX) against its own copy of the resident code to complete the installation check SeeAlso: INT 14/AX=AA01h,INT 2F/AH=93h Index: screen saver;VGAsave --------V-2FC000----------------------------- INT 2F - AD-DOS - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed BX = 4144h ('AD') CX = 2D44h ('-D') DX = 4F53h ('OS') Program: AD-DOS is the DOS version of the After Dark screen blanker for MS Windows Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C001h"AD-DOS",AX=C003h"AD-DOS",AX=C005h"AD-DOS",AX=C007h"AD-DOS" SeeAlso: AX=C009h"AD-DOS",AX=C020h"AD-DOS",INT 14/AX=AA01h Index: screen saver;AD-DOS --------U-2FC000----------------------------- INT 2F U - WANG_ER.COM - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed ES = segment of resident code Program: WANG_ER is a TSR from Compaq which permits Compaq systems equipped with 3-mode floppy drives to read Wang document diskettes Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: The installation check is completed by comparing the resident code with the copy in the transient program --------i-2FC000----------------------------- INT 2F O - ASPIHOOK.SYS - INSTALLATION CHECK AX = C000h Return: AL = FFh if multiplex number in use ES:DI -> ASCIZ signature "ASPIHOOK" if ASPIHOOK.SYS installed Program: ASPIHOOK is a device driver for monitoring SCSI activity through an ASPI host manager; it is part of the Personal Measure system activity monitor from Spirit of Performance, Inc. Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"PMEASURE" --------i-2FC000----------------------------- INT 2F - PMEASURE.EXE - INSTALLATION CHECK AX = C000h Return: AL = FFh if multiplex number in use ES:DI -> ASCIZ signature "PMEASURE.EXE" if PMEASURE.EXE installed Program: PMEASURE.EXE is a TSR for monitoring system hardware activity which is part of the Personal Measure system activity monitor from Spirit of Performance, Inc. Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: If a Personal Measure Hook Module, such as ASPIHOOK.SYS, is already installed, PMEASURE.EXE uses the next highest free multiplex number. SeeAlso: AX=C000h"ASPIHOOK",AX=C000h"PERSONAL MEASURE" --------i-2FC000----------------------------- INT 2F - PERSONAL MEASURE - HOOK MODULE INSTALLATION CHECK AX = C000h Return: AL = FFh if installed ES:DI -> signature string "PMEASUREHOOK" AX = C000 if not installed, per mux id conventions DH = major release number (binary) DL = minor release number (binary) Program: The Personal Measure system activity monitor from Spirit of Performance, Inc. uses an extensible series of modules to hook into various operating system interfaces and monitor system calls. Current hook modules are ASPIHOOK.SYS for ASPI device activity and CDRHOOK.SYS for non-ASPI CD-ROM activity. All hook modules share the same mux id. Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"PMEASURE.EXE",AX=C001h"PERSONAL MEASURE" --------c-2FC000----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed SI = signature value 20D6h DI = signature value 8761h ES:BX -> configuration table (see #2713) CX = ??? (0300h) DX = ??? (0020h) Program: PCACHE is the resident print spooler portion of PrintCache by LaserTools; it may use either memory or disk space to spool output Range: AH=C0h to AH=FFh, selected by commandline switch SeeAlso: AX=0100h/SI=20D6h,AX=C001h"PCACHE" Format of PrintCache configuration table: Offset Size Description (Table 2713) 00h 26 BYTEs ASCIZ signature string "TORQ Configuration Table: " 1Ah 2 BYTEs ??? 1Ch DWORD -> data table (see #2714) 20h 4 BYTEs ASCIZ version string ("3.1" for v3.1) 24h 5 BYTEs ??? 29h 12 BYTEs ASCIZ version date string ("Aug 31 1993" for v3.1) 35h WORD buffered port type (01h = LPT, 02h = COM) 37h WORD buffered port BIOS port number 39h 5 BYTEs ASCIZ buffered port name ("LPTn" or "COMn") 3Eh WORD physical port type (01h = LPT, 02h = COM) 40h WORD physical port BIOS port number 42h 5 BYTEs ASCIZ physical port name ("LPTn" or "COMn") 47h BYTE port driver IRQ 48h 21 BYTEs ??? 5Dh WORD buffer size in K 5Fh 27 BYTEs ??? 7Ah BYTE popup hotkey shift states (see #0506 at INT 16/AH=02h) 7Bh BYTE popup hotkey scan code (see #0005 at INT 09"IRQ1") 7Ch 4 BYTEs ??? 80h 20 BYTEs ASCIZ printer type name ??? Format of PrintCache data table: Offset Size Description (Table 2714) 00h 2 BYTEs ??? 02h DWORD -> ??? entry point ??? --------U-2FC000----------------------------- INT 2F - Frank Kintrup TSR Utilities - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed BX = program ID (see #2715) CX = 464Bh (signature "FK") DX = revision number (DH = major, DL = minor) ES = resident segment of TSR Range: AH=C0h to AH=FFh, selected by searching for a free multiplex number SeeAlso: AX=C001h"Kintrup",AX=C002h"Kintrup" (Table 2715) Values for Frank Kintrup TSR program ID: 4153h "AS" ASCII.COM ASCII table with paste function 434Ch "CL" CLOCK.COM clock with date/time display and alarm 5043h "PC" PCALC.COM programmer's calculator with paste function 5343h "SC" SCRSAVE.COM screen saver with mouse support and hotkey 5544h "UD" UNDEL.COM undelete program like SMARTCAN or DPROTECT --------K-2FC000----------------------------- INT 2F U - HP 100LX/200LX - PUSHKEYS - INSTALLATION CHECK AX = C000h Return: AL = FFh if possibly installed Range: AH=C0h to AH=FFh, selected by scanning for signature with AL=AEh SeeAlso: AX=C001h"HP 100LX",AX=C0AEh"HP 100LX",AX=C0AFh"HP 100LX" --------V-2FC000----------------------------- INT 2F - DIMWIT - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed ES:DI -> signature string "DIMDOS" or "DIMWIN" Program: DIMWIT is a freeware Windows-aware screen blanker by Larry Board Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"AD-DOS",AX=C001h"DIMWIT" Index: screen saver;DIMWIT --------F-2FC000BX444B----------------------- INT 2F - METZ XpressFax Hardware TSR (CLASS2) - INSTALLATION CHECK AX = C000h BX = 444Bh ('DK') CX = 4A4Eh ('AN') Return: AL = status 00h not installed, OK to install FFh installed BX = 646Bh ('dk') CX = 6A6Eh ('an') Range: AH=C0h to AH=FFh, selected automatically SeeAlso: AH=C0h"METZ" --------V-2FC000----------------------------- INT 2F U - TSENGP.COM - INSTALLATION CHECK AX = C000h Return: AL = status 00h not installed, OK to install FFh installed DS = segment of resident code Program: TSENGP.COM is a TSR supplied by Compaq to fix an incompatibility between some applications and Tseng ET4000-based video adapters Range: AH=C0h to AH=FFh, selected automatically Note: the installation check is completed by comparing the first eleven bytes at DS:005Fh against the TSR's code (80h FCh 06h 74h 0Ah 80h FCh 07h 74h 05h EAh) --------N-2FC000----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - INSTALLATION CHECK AX = C000h Return: AL = FFh if one of the components is installed CX:BX -> signature within LLRA component: "TSI_LapLinkCore" for LLRA1.EXE "TSI_Blackbird" for LLRA2.EXE "TSI_Redirector" for LLRA3.EXE "TSI_Compression" for LLRA4.EXE DL = major version number DH = minor version number Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: LapLink components are installed in the order listed above, but not necessarily all four; each gets its own multiplex number (default C0h-C3h) SeeAlso: AX=C002h"LapLink",AX=C205h"LapLink",AX=C2F0h"LapLink" SeeAlso: AX=C2F1h"LapLink",AX=C301h"LapLink",AX=C3F0h"LapLink" SeeAlso: AX=C3F1h"LapLink" --------M-2FC001----------------------------- INT 2F - QMR - REQUEST HARDWARE RESET AX = C001h Return: ES = QMR code segment AL destroyed Desc: this function is used to force a full mouse reset when QMR is installed SeeAlso: AX=C000h"QMR",AX=C002h"QMR" --------V-2FC001----------------------------- INT 2F - DIMWIT - GET CONFIGURATION DATA AX = C001h Return: ES:DI -> TSR configuration data (see #2716) Program: DIMWIT is a freeware Windows-aware screen blanker by Larry Board Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"DIMWIT",AX=C001h"AD-DOS" Index: screen saver;DIMWIT Format of DIMWIT TSR configuration data: Offset Size Description (Table 2716) 00h WORD blanking delay in clock ticks 02h BYTE instant-blanking hotkey scan code (see #0005) Ctrl and Alt must also be pressed --------V-2FC001ES0000----------------------- INT 2F - AD-DOS - GET RESIDENT CODE SEGMENT AX = C001h ES = 0000h Return: AL = 00h if successful ES = AD-DOS TSR Code Segment SeeAlso: AX=C000h"AD-DOS",AX=C001h"DIMWIT" Index: screen saver;AD-DOS --------c-2FC001----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - GET ENTRY POINTS AX = C001h Return: AL = FFh if installed ES:BX -> ??? ES:DX -> ??? ES:SI -> ??? ES:DI -> ??? (equivalent to AX=C002h) SeeAlso: AX=C000h"PCACHE",AX=C002h"PCACHE" --------U-2FC001----------------------------- INT 2F - Frank Kintrup TSR Utilities - CLOCK - DISABLE DISPLAY UPDATE AX = C001h Range: AH=C0h to AH=FFh, selected by searching for a free multiplex number SeeAlso: AX=C000h"Kintrup",AX=C002h"Kintrup" --------K-2FC001CX03FB----------------------- INT 2F U - HP 100LX/200LX - PUSHKEYS - INTERNAL - UNINSTALL AX = C001h CX = 03FBh return address to continue uninstall if possible Return: program uninstalled Range: AH=C0h to AH=FFh, selected by scanning for signature with AL=AEh SeeAlso: AX=C000h"HP 100LX",AX=C0AEh"HP 100LX",AX=C0AFh"HP 100LX" --------i-2FC001----------------------------- INT 2F - PERSONAL MEASURE - PASS PARAMETERS TO HOOK MODULE(S) AX = C001h DX = segment of PMEASURE.EXE or 0000h BX = offset in PMEASURE.EXE or 0000h CX = offset in PMEASURE.EXE or 0000h Return: None Program: PMEASURE.EXE is a TSR for monitoring system hardware activity which is part of the Personal Measure system activity monitor from Spirit of Performance, Inc. PMEASURE uses this call to inform its hook modules whether or not it is running and to pass information about shared data and procedures. Warning: This information documents a function that is private to Personal Measure and is provided as information only. It should NOT be called by any software other than Personal Measure. SeeAlso: AX=C000h"PERSONAL MEASURE" --------V-2FC002----------------------------- INT 2F - AD-DOS - CHECK FOR NEW INPUT AX = C002h Return: AL = 00h if successful BX = status 0000h no input since last check 0001h new input available Note: this call also resets the new-input flag SeeAlso: AX=C000h"AD-DOS",AX=C004h Index: screen saver;AD-DOS --------M-2FC002----------------------------- INT 2F - QMR - DISABLE QMR AX = C002h Return: ES = QMR code segment AL destroyed Desc: this call temporarily disables QMR SeeAlso: AX=C000h"QMR",AX=C003h"QMR" --------c-2FC002----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - GET BUFFER SIZE AX = C002h Return: AX = ??? in K BX = size of print buffer in K Program: PCACHE is the resident print spooler portion of PrintCache by LaserTools; it may use either memory or disk space to spool output SeeAlso: AX=C000h"PCACHE" --------U-2FC002----------------------------- INT 2F - Frank Kintrup TSR Utilities - CLOCK - ENABLE DISPLAY UPDATE AX = C002h Range: AH=C0h to AH=FFh, selected by searching for a free multiplex number SeeAlso: AX=C000h"Kintrup",AX=C002h"Kintrup" --------N-2FC002----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - Core - ??? AX = C002h details not yet available Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"LapLink",AX=C002h"LapLink",AX=C2F0h"LapLink" SeeAlso: AX=C2F1h"LapLink",AX=C301h"LapLink" --------V-2FC003----------------------------- INT 2F - AD-DOS - SET MINUTES TO WAIT AX = C003h BX = minutes to wait before blanking screen Return: AL = 00h if successful Program: AD-DOS is the DOS version of the After Dark screen blanker for MS Windows Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: this call also resets the delay timer SeeAlso: AX=C000h"AD-DOS",AX=C004h Index: screen saver;AD-DOS --------M-2FC003----------------------------- INT 2F - QMR - ENABLE QMR AX = C003h Return: ES = QMR code segment AL destroyed Desc: this call enables QMR after it has been disabled SeeAlso: AX=C000h"QMR",AX=C002h"QMR" --------c-2FC003----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - SET ??? FLAG AX = C003h Return: BX destroyed SeeAlso: AX=C004h"PCACHE" --------V-2FC004----------------------------- INT 2F - AD-DOS - GET MINUTES TO WAIT AX = C004h Return: AL = 00h if successful BX = minutes to wait before blanking screen SeeAlso: AX=C000h"AD-DOS",AX=C003h"AD-DOS" Index: screen saver;AD-DOS --------c-2FC004----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - CLEAR ??? FLAG AX = C004h Return: BX destroyed SeeAlso: AX=C003h"PCACHE" --------V-2FC005----------------------------- INT 2F - AD-DOS - SET BLANKER STATUS AX = C005h BX = new state (0000h inactive, 0001h active) (default 0001h) Return: AL = 00h if successful SeeAlso: AX=C006h"AD-DOS" Index: screen saver;AD-DOS --------c-2FC005----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C005h ??? Return: BX destroyed ??? Program: PCACHE is the resident print spooler portion of PrintCache by LaserTools; it may use either memory or disk space to spool output Range: AH=C0h to AH=FFh, selected by commandline switch SeeAlso: AX=C000h"PCACHE" --------V-2FC006----------------------------- INT 2F - AD-DOS - GET BLANKER STATUS AX = C006h Return: AL = 00h if successful BX = current state of screen blanker (0000h inactive, 0001h active) Program: AD-DOS is the DOS version of the After Dark screen blanker for MS Windows Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"AD-DOS",AX=C005h"AD-DOS" Index: screen saver;AD-DOS --------c-2FC006----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C006h ??? Return: BX destroyed ??? Note: this function appears to be identical to AX=C007h SeeAlso: AX=C000h"PCACHE",AX=C007h"PCACHE" --------V-2FC007----------------------------- INT 2F - AD-DOS - SET HOT KEY AX = C007h BX = hot key CL = hot key shift status Return: AL = 00h if successful SeeAlso: AX=C008h"AD-DOS" Index: screen saver;AD-DOS --------c-2FC007----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C007h ??? Return: BX destroyed ??? Note: this function appears to be identical to AX=C006h SeeAlso: AX=C000h"PCACHE",AX=C006h"PCACHE" --------V-2FC008----------------------------- INT 2F - AD-DOS - GET CURRENT HOT KEY AX = C008h Return: AX = status 0000h successful BX = Hot Key CL = Hot Key Shift Status 0008h otherwise SeeAlso: AX=C000h"AD-DOS",AX=C007h"AD-DOS" Index: screen saver;AD-DOS --------c-2FC008----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - CLEAR ??? FLAG AX = C008h Return: BX destroyed SeeAlso: AX=C000h"PCACHE",AX=C009h"PCACHE" --------V-2FC009----------------------------- INT 2F - AD-DOS - UNBLANK MONITOR AX = C009h Return: AL = 00h if successful Program: AD-DOS is the DOS version of the After Dark screen blanker for MS Windows Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: this function works by simulating keyboard activity Index: screen saver;AD-DOS --------c-2FC009----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - SET ??? FLAG AX = C009h Return: BX destroyed Program: PCACHE is the resident print spooler portion of PrintCache by LaserTools; it may use either memory or disk space to spool output Range: AH=C0h to AH=FFh, selected by commandline switch SeeAlso: AX=C000h"PCACHE",AX=C008h"PCACHE" --------V-2FC00A----------------------------- INT 2F - AD-DOS - ??? AX = C00Ah Return: AX = status 0000h successful BH = ?? BL = ?? 000Ah failed Index: screen saver;AD-DOS --------c-2FC00A----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C00Ah ??? Return: AH = bit flags bit 5: ??? AL = bit flags bit 4: ??? bit 3: ??? BX destroyed ??? SeeAlso: AX=C000h"PCACHE" --------V-2FC00B----------------------------- INT 2F - AD-DOS - ??? AX = C00Bh Return: AX = status 0000h successful 000Bh failed Index: screen saver;AD-DOS --------c-2FC00B----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - NOP AX = C00Bh Return: BX destroyed SeeAlso: AX=C000h"PCACHE" --------V-2FC00C----------------------------- INT 2F - AD-DOS - SET ??? INTERNAL FLAG TO 01h AX = C00Ch Return: AX = status 0000h successful 000Ch failed Program: AD-DOS is the DOS version of the After Dark screen blanker for MS Windows Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Index: screen saver;AD-DOS --------c-2FC00C----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - GET ??? AX = C00Ch Return: AX = ??? (0000h) BX = ??? (0000h) CX = ??? (0100h) DL = ??? DH = ??? SeeAlso: AX=C000h"PCACHE" --------c-2FC00D----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - SET ??? AX = C00Dh DL = ??? Return: BX destroyed Program: PCACHE is the resident print spooler portion of PrintCache by LaserTools; it may use either memory or disk space to spool output Range: AH=C0h to AH=FFh, selected by commandline switch SeeAlso: AX=C000h"PCACHE" --------V-2FC00E----------------------------- INT 2F - AD-DOS - SET PASSWORD STATUS AX = C00Eh BX = new state (0000h disabled, 0001h enabled) Return: ??? SeeAlso: AX=C000h"AD-DOS",AX=C00Fh"AD-DOS" Index: screen saver;AD-DOS --------c-2FC00E----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - INSTALL ??? AX = C00Eh ES:DX -> ??? Return: BX destroyed Note: ES:DX is stored internally if the variable is currently 0000h:0000h, but ignored if already set; a counter is incremented SeeAlso: AX=C000h"PCACHE",AX=C00Fh"PCACHE" --------V-2FC00F----------------------------- INT 2F - AD-DOS - GET PASSWORD STATUS AX = C00Fh Return: BX = current state (0000h disabled, 0001h enabled) SeeAlso: AX=C00Eh"AD-DOS" Index: screen saver;AD-DOS --------c-2FC00F----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - REMOVE ??? AX = C00Fh Return: BX destroyed Note: this function decrements the counter used by AX=C00Eh, and clears the internal pointer variable to 0000h:0000h when it reaches zero SeeAlso: AX=C000h"PCACHE",AX=C00Eh"PCACHE" --------c-2FC010----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - GET ??? AX = C010h CX = index of ??? table (00h-02h, others treated as 00h) SI = offset into data table Return: AL = byte at specified offset into table BX destroyed SeeAlso: AX=C000h"PCACHE" --------c-2FC011----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - GET ??? AX = C011h Return: AX = ??? (0007h) BX = ??? (0001h) CH = ??? CL = ??? SeeAlso: AX=C000h"PCACHE" --------c-2FC012----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - GET ??? AX = C012h Return: AX = ??? BX = ??? CX = ??? DX = ??? SeeAlso: AX=C000h"PCACHE" --------c-2FC013----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C013h ??? Return: BX destroyed ??? Program: PCACHE is the resident print spooler portion of PrintCache by LaserTools; it may use either memory or disk space to spool output Range: AH=C0h to AH=FFh, selected by commandline switch SeeAlso: AX=C000h"PCACHE" --------c-2FC014----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C014h ??? Return: BX destroyed ??? SeeAlso: AX=C000h"PCACHE" --------c-2FC015----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C015h ??? Return: BX destroyed ??? SeeAlso: AX=C000h"PCACHE" --------c-2FC016----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - INCREMENT ??? AX = C016h Return: BX destroyed SeeAlso: AX=C000h"PCACHE",AX=C017h"PCACHE" --------c-2FC017----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - DECREMENT ??? AX = C017h Return: BX destroyed SeeAlso: AX=C000h"PCACHE",AX=C016h"PCACH" --------c-2FC018----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C018h ??? Return: BX destroyed ??? Note: the first instruction of this function is an indirect jump which points at a RET by default SeeAlso: AX=C000h"PCACHE",AX=C019h"PCACHE" --------c-2FC019----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C019h ??? Return: BX destroyed ??? Note: the first instruction of this function is an indirect jump which points at a RET by default SeeAlso: AX=C000h"PCACHE",AX=C018h"PCACHE" --------c-2FC01A----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - CLEAR ??? FLAG AX = C01Ah Return: BX destroyed SeeAlso: AX=C000h"PCACHE",AX=C01Bh"PCACHE" --------c-2FC01B----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - SET ??? FLAG AX = C01Bh Return: BX destroyed SeeAlso: AX=C000h"PCACHE",AX=C01Ah"PCACHE" --------c-2FC01C----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - ??? AX = C01Ch ??? Return: AX = ??? BX destroyed SeeAlso: AX=C000h"PCACHE" --------c-2FC01D----------------------------- INT 2F U - PrintCache v3.1 PCACHE.EXE - NOP AX = C01Dh to C01Fh Return: BX destroyed Program: PCACHE is the resident print spooler portion of PrintCache by LaserTools; it may use either memory or disk space to spool output Range: AH=C0h to AH=FFh, selected by commandline switch SeeAlso: AX=C000h"PCACHE" --------V-2FC020----------------------------- INT 2F - AD-DOS - GET AND RESET VxD API STATUS AX = C020h Return: AL = 00h if successful BX = VxD API Status 0000h no error 0001h error 0100h neither Windows 3.X enhanced mode nor Windows/386 2.x is running 0200h VM API entry point not found (VxD not installed) Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: this call resets the VxD API Status to zero SeeAlso: AX=1602h,AX=1607h"CALL OUT API" Index: screen saver;AD-DOS --------V-2FC04E----------------------------- INT 2F - Explosiv v2.00+ - NON-TSR EXECUTING CHECK AX = C04Eh Return: AL = 4Fh if Explosiv is running but not memory-resident Program: Explosiv is a shareware animated screen blanker for DOS and Windows 3 by H&G Software (Reidar Gresseth and Chris Hook) Range: AH=C0h to AH=C9h, selected by configuration SeeAlso: AX=C050h Index: screen saver;Explosiv --------V-2FC050----------------------------- INT 2F - Explosiv v2.00+ - INSTALLATION CHECK AX = C050h Return: AL = 51h if installed ---v3.0+ --- BX = interval in clock ticks CH = animation display color (00h mono, 01h tinge, 02h color) CL = animation delay factor DH = animation parameters DL = INT 10 checking (00h on, 01h off) SI = number of bytes available for animation code DI = display type (00h VGA, 01h EGA, 02h CGA, 03h HGC, 04h MDA) Program: Explosiv is a shareware animated screen blanker for DOS and Windows 3 by H&G Software (Reidar Gresseth and Chris Hook) Range: AH=C0h to AH=C9h, selected by configuration SeeAlso: AH=93h,AX=C000h"AD-DOS",AX=C04Eh,AX=C052h,AX=C054h"v3" SeeAlso: INT 14/AX=AA01h Index: screen saver;Explosiv --------V-2FC052----------------------------- INT 2F - Explosiv v2.00+ - UNINSTALL AX = C052h DX:BX = address to return to on successful uninstall Return: at specified address if successful AL = 53h on error Note: specified return address must have the segment of the caller's PSP SeeAlso: AX=C050h Index: screen saver;Explosiv --------V-2FC054----------------------------- INT 2F - Explosiv v2.x - GET ANIMATION DELAY FACTOR AX = C054h Return: AL = delay factor SeeAlso: AX=C057h Index: screen saver;Explosiv --------V-2FC054----------------------------- INT 2F - Explosiv v3.0+ - UPDATE PARAMETERS AX = C054h BX = new interval in clock ticks CH = animation display color (00h mono, 01h tinge, 02h color) CL = animation delay factor DH = animation parameters DL = INT 10 checking (00h on, 01h off) SeeAlso: AX=C050h Index: screen saver;Explosiv --------V-2FC055----------------------------- INT 2F - Explosiv v2.x - SET BLANKING INTERVAL AX = C055h BX = new interval in clock ticks Index: screen saver;Explosiv --------V-2FC056----------------------------- INT 2F - Explosiv v2.x - SET ANIMATION DISPLAY TYPE AX = C056h BL = animated display type (00h mono, 01h color) SeeAlso: AX=C058h"v2.x" Index: screen saver;Explosiv --------V-2FC056----------------------------- INT 2F - Explosiv v3.0+ - ENABLE/DISABLE EXPLOSIV AX = C056h BX = new state 0000h disabled 0100h enabled 0101h enabled, but never blank 0102h enabled, always blank --------V-2FC057----------------------------- INT 2F - Explosiv v2.x - SET ANIMATION DELAY FACTOR AX = C057h BL = delay factor SeeAlso: AX=C054h"v2.x" Index: screen saver;Explosiv --------V-2FC058----------------------------- INT 2F - Explosiv v2.x - SET ANIMATION PARAMETER AX = C058h BL = animation parameter Note: the animation parameter has different interpretations for each display SeeAlso: AX=C056h"v2.x" Index: screen saver;Explosiv --------V-2FC058----------------------------- INT 2F - Explosiv v3.0+ - LOAD NEW ANIMATION DISPLAY CODE AX = C058h BX = file handle for file containing display code CX = number of bytes to load DX = offset at which animation code should be loaded Return: AL = status (see #2717) Note: if AL=00h-03h on return, the file will be closed Index: screen saver;Explosiv (Table 2717) Values for Explosiv function status: 00h successful 01h code too large to available space 02h no data read, load aborted 03h incomplete load, default blanking display loaded instead 58h unexpected offset in DX --------V-2FC059----------------------------- INT 2F - Explosiv v2.x - DISABLE EXPLOSIV AX = C059h Note: clears flag set by AX=C05Ah SeeAlso: AX=C05Ah Index: screen saver;Explosiv --------V-2FC05A----------------------------- INT 2F u - Explosiv v2.x - ENABLE EXPLOSIV AX = C05Ah BL = ??? Note: sets flag cleared by AX=C059h then stores BL SeeAlso: AX=C059h,AX=C05Bh Index: screen saver;Explosiv --------V-2FC05B----------------------------- INT 2F - Explosiv v2.x - CHANGE ANIMATION DISPLAY AX = C05Bh BL = animation display Note: this function fails silently if the requested display is not in memory SeeAlso: AX=C05Ah,AX=C05Ch Index: screen saver;Explosiv --------V-2FC05C----------------------------- INT 2F - Explosiv v2.x - SET INT 10 CHECKING AX = C05Ch BL = new state of INT 10 checking (00h enabled, 01h disabled) SeeAlso: AX=C05Bh Index: screen saver;Explosiv --------v-2FC080----------------------------- INT 2F U - AMI IAM.SYS - INSTALL ??? CALLBACK AX = C080h CX:DX -> ??? callback DI = segment of ??? buffer (first WORD copied into IAM.SYS) Program: IAM.SYS is the Illegal Activity Monitor portion of American Megatrends, Inc.'s PC-Defender anti-virus product Note: also sets ??? flag SeeAlso: AX=C081h Format of IAM.SYS buffer: Offset Size Description (Table 2718) 00h BYTE ??? 01h BYTE ??? 02h N BYTEs ??? (ASCIZ strings) --------v-2FC081----------------------------- INT 2F U - AMI IAM.SYS - CLEAR ??? AX = C081h Desc: clears the ??? flag that AX=C080h sets SeeAlso: AX=C080h --------K-2FC0AE----------------------------- INT 2F U - HP 100LX/200LX - PUSHKEYS - INSTALLATION CHECK AX = C0AEh Return: AX = 4453h if installed CX = 5259h if installed Range: AH=C0h to AH=FFh, selected by scanning for signature SeeAlso: AX=C000h"HP 100LX",AX=C001h"HP 100LX",AX=C0AFh"HP 100LX" --------K-2FC0AF----------------------------- INT 2F U - HP 100LX/200LX - PUSHKEYS - INTERNAL - GET BUFFER ADDRESS AX = C0AFh Return: ES:DI -> buffer (behind code) Range: AH=C0h to AH=FFh, selected by scanning for signature with AL=AEh SeeAlso: AX=C000h"HP 100LX",AX=C001h"HP 100LX",AX=C0AEh"HP 100LX" --------N-2FC100----------------------------- INT 2F U - Personal NetWare - STPIPX v1.00 - INSTALLATION CHECK AX = C100h Return: AL = FFh if installed ES:SI -> signature string "STP-IPX$" BX = version??? (0001h for v1.00) DI corrupted Note: AH=C1h is the default value; STPIPX probably scans a range of multiplex numbers to find a free one, as LSL does SeeAlso: AX=C000h"LSL",AX=C101h --------N-2FC101----------------------------- INT 2F U - Personal NetWare - STPIPX v1.00 - UNINSTALL AX = C101h Return: AL = status??? BX corrupted SeeAlso: AX=C101h --------N-2FC205----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - Redirector - ??? AX = C205h details not yet available Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"LapLink",AX=C002h"LapLink",AX=C2F0h"LapLink" SeeAlso: AX=C2F1h"LapLink",AX=C301h"LapLink" --------N-2FC2F0----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - Redirector - ??? AX = C2F0h details not yet available Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"LapLink",AX=C002h"LapLink",AX=C205h"LapLink" SeeAlso: AX=C2F1h"LapLink",AX=C301h"LapLink" --------N-2FC2F1----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - Redirector - ??? AX = C2F1h details not yet available Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"LapLink",AX=C002h"LapLink",AX=C205h"LapLink" SeeAlso: AX=C2F0h"LapLink",AX=C301h"LapLink" --------d-2FC300----------------------------- INT 2F - SETWPR.COM - INSTALLATION CHECK AX = C300h Return: AL = FFh if installed Program: SETWPR is a hard-disk write-protection TSR by Jaroslaw Rafa SeeAlso: AX=C302h"SETWPR" --------k-2FC300DX0000----------------------- INT 2F U - SpaceManager - INSTALLATION CHECK AX = C300h DX = 0000h Return: AL = FFh if any SpaceManager programs installed BX = 6F73h CX = 6F68h Program: SpaceManager is an enhancement for MS-DOS DoubleSpace by Vertisoft Systems, Inc. Range: AH=C3h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C300h/BX=4F53h --------k-2FC300BX4F53----------------------- INT 2F U - SpaceManager - INSTALLATION VERIFICATION AX = C300h BX = 4F53h ('OS') CX = 4F48h ('OH') DX = program identifier (see #2719) or 0666h for any SpaceManager prog Return: AL = FFh if BX/CX as specified and specified program installed BX = 6F73h ('os') CX = 6F68h ('oh') Range: AH=C3h to AH=FFh, selected by scanning for first free multiplex number Note: this call is chained if BX,CX, or DX are not as specified above SeeAlso: AX=C300h/DX=0000h (Table 2719) Values for SpaceManager program identifier: 9000h SMOUNT (SuperMount) 9001h SELECTC (SelectCompress) 9002h SUPERX (SuperExchange) 9003h FORTUNE (FortuneTeller) --------k-2FC301----------------------------- INT 2F U - SpaceManager - ??? AX = C301h DX = program identifier (9000h,9001h,9003h) (see #2719) ??? Return: ??? --------N-2FC301----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - Compression - ??? AX = C301h details not yet available Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"LapLink",AX=C002h"LapLink",AX=C205h"LapLink" SeeAlso: AX=C2F0h"LapLink",AX=C3F0h"LapLink",AX=C3F1h"LapLink" --------k-2FC302----------------------------- INT 2F U - SpaceManager - ENABLE PROGRAM AX = C302h DX = program identifier (9000h,9001h,9003h) (see #2719) Return: AX destroyed SeeAlso: AX=C303h,AX=C306h --------d-2FC302----------------------------- INT 2F - SETWPR.COM - SET WRITE-PROTECTION STATE AX = C302h BL = new state 00h disk may be written 01h disk write-protected Return: AL = FFh if installed Program: SETWPR is a hard-disk write-protection TSR by Jaroslaw Rafa SeeAlso: AX=C300h"SETWPR" --------k-2FC303----------------------------- INT 2F U - SpaceManager - DISABLE PROGRAM AX = C303h DX = program identifier (9000h,9001h,9003h) (see #2719) Return: AX destroyed SeeAlso: AX=C302h,AX=C306h --------k-2FC304----------------------------- INT 2F U - SpaceManager - GET PER-DRIVE ENABLEMENT TABLE AX = C304h DX = program identifier (9000h,9001h,9003h) (see #2719) Return: ES:BX -> 26-byte drive table (00h disabled for drive, 01h enabled) AX destroyed --------k-2FC305DX9003----------------------- INT 2F U - SpaceManager - FORTUNE.EXE - NOP AX = C305h DX = 9003h Return: AX destroyed --------k-2FC305----------------------------- INT 2F U - SpaceManager - ??? AX = C305h DX = program identifier (9000h,9001h) (see #2719) ??? Return: ??? --------k-2FC306----------------------------- INT 2F U - SpaceManager - CHECK WHETHER PROGRAM ENABLED AX = C306h DX = program identifier (9000h,9001h,9003h) (see #2719) Return: AL = current state (00h disabled, FAh enabled) AH destroyed SeeAlso: AX=C302h,AX=C303h --------k-2FC307DX9001----------------------- INT 2F U - SpaceManager - SELECTC - ??? AX = C307h DX = 9001h BX = ??? CX = ??? ??? Return: ??? --------k-2FC308DX9001----------------------- INT 2F U - SpaceManager - SELECTC - ??? AX = C308h DX = 9001h ??? Return: ??? --------N-2FC3F0----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - Compression - ??? AX = C3F0h details not yet available Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"LapLink",AX=C002h"LapLink",AX=C205h"LapLink" SeeAlso: AX=C2F0h"LapLink",AX=C301h"LapLink",AX=C3F1h"LapLink" --------N-2FC3F1----------------------------- INT 2F U - LapLink RemoteAccess (LLRA) - Compression - ??? AX = C3F1h details not yet available Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number SeeAlso: AX=C000h"LapLink",AX=C002h"LapLink",AX=C205h"LapLink" SeeAlso: AX=C2F0h"LapLink",AX=C301h"LapLink",AX=C3F0h"LapLink" --------d-2FC64CBX5553----------------------- INT 2F U - Smart Prompt - INSTALLATION CHECK AX = C64Ch BX = 5553h Return: AX = 4CC6h if installed BX = 5355h if installed Program: Smart Prompt (SMARTPMT) is a freeware TSR by Steve Gibson which forces an immediate flush of SmartDrive's (and compatible caches') buffers on returning to the DOS prompt --------V-2FC700CX434C----------------------- INT 2F u - COLAP - INSTALLATION CHECK AX = C700h CX = 434Ch "CL" Return: AL = FFh if installed Program: colap.com is a freeware TSR by Eric Meyer which controls contrast and brightness of color laptops by changing the VGA palette colors; for Toshiba laptops there are more hotkeys for shutting off display and harddisk. --------v-2FC900BP0000----------------------- INT 2F U - ThunderByte??? - INSTALLATION CHECK AX = C900h BP = 0000h Return: AL = FFh if installed BP >= 0014h Note: called by TBSCANX SeeAlso: AX=C987h,AX=CA00h --------v-2FC987----------------------------- INT 2F U - ThunderByte??? - DISINFECT FILE??? AX = C987h BX:DX -> filename BX:CX -> virus name Return: AX = status 0000h successful??? Note: called by TBSCANX SeeAlso: AX=CA00h --------v-2FC9FD----------------------------- INT 2F - ThunderByte TBLOG - WRITE STRING TO LOG AX = C9FDh DS:SI -> ASCIZ string (max 110 chars) Return: AH = 00h AL = last character in string CX = number of unused characters in string SI,DI destroyed Notes: The string can also be terminated with a '%'-character. This function is never called within ThunderBYTE Anti-Virus. SeeAlso: AX=C900h --------r-2FC9FF----------------------------- INT 2F C - StackMan - INSTALLATION BROADCAST AX = C9FFh BL = BCD version number CX = number of stacks DX = stack size in bytes Program: StackMan is a freeware stack manager by Franz Veldman of ESaSS B.V. which functions as a replacement for the DOS STACK= command as well as permitting multiple TSRs to share a pool of stack space InstallCheck: test for the string "STACKXXX" at offset 0Ah from the INT B4 handler Note: called by StackMan when it goes resident to inform interested TSRs that its API is available SeeAlso: INT B4"StackMan",INT B5"StackMan" Index: installation check;STACKMAN|broadcasts;STACKMAN installation --------F-2FCA------------------------------- INT 2F - FAXPLUS - FAX TSR AH = CAh ??? Return: ??? Program: FAXTSR is a resident FAX send/receive module for FAXPLUS by Frans Veldman SeeAlso: AH=2Ah"Gammafax" --------v-2FCA00BX5442----------------------- INT 2F - TBSCANX - INSTALLATION CHECK AX = CA00h BX = 5442h ('TB') Return: AL = state 00h not installed FFh installed BX = 7462h ('tb') if BX was 5442h on entry Program: TBSCANX is a resident virus scanning module by Frans Veldman. Notes: programs may perform virus checks on themselves, other program files, or their data files by invoking the TBSCANX API. current versions of TBScanX don't actually check the value of BX SeeAlso: AX=4653h/CX=0002h,AX=4653h/CX=0007h,AX=C900h --------v-2FCA01----------------------------- INT 2F - TBSCANX - GET STATUS AX = CA01h Return: AH = BCD version number (v2.2+) CAh for versions before 2.2 AL = state (00h = disabled, 01h = enabled) CX = number of signatures which will be searched ---v2.0--- BX = EMS handle, 0000h if not using EMS ---v2.3+--- BX = segment of swap area, 0000h if not swapped DX = EMS or XMS handle (XMS handle if BX=0000h), FFFFh if not using EMS SeeAlso: AX=CA02h --------v-2FCA02----------------------------- INT 2F - TBSCANX - SET STATE AX = CA02h BL = new state (00h = disabled, 01h = enabled) SeeAlso: AX=CA01h --------v-2FCA03----------------------------- INT 2F - TBSCANX - SCAN BUFFER AX = CA03h CX = size of buffer DS:DX -> buffer containing data to scan Return: CF clear if no virus signatures found BX,ES destroyed CF set if signature found ES:BX -> ASCIZ virus name (v2.3+) DS:DX -> ASCIZ virus name (v2.0) AX,CX,DX destroyed (v2.3+) all other registers except CS:IP and SS:SP destroyed (v2.0) SeeAlso: AX=CA04h --------v-2FCA04----------------------------- INT 2F - TBSCANX - SCAN FILE AX = CA04h DS:DX -> filename Return: CF clear if no virus signatures found BX,SI,DI,ES destroyed CF set if signature found ES:BX -> ASCIZ virus name AX,CX,DX destroyed Note: this function requires at least 4K free memory SeeAlso: AX=CA03h --------U-2FCAFEBX0000----------------------- INT 2F U - THELP v3.0 - INSTALLATION CHECK AX = CAFEh BX = 0000h Return: BX = segment of resident code if installed 0000h if not installed SeeAlso: AX=5453h,INT 2D"AMIS" --------F-2FCB00----------------------------- INT 2F - Communicating Applications Specification - INSTALLATION CHECK AX = CB00h Return: AL = status 00h not installed, OK to install 01h not installed, not OK to install FFh installed Note: AH = CBh is the default identifier, but may be reconfigured SeeAlso: AH=2Ah,AX=8000h"FaxBIOS",AX=CB0Eh,AX=CBDCh --------F-2FCB00BX4D53----------------------- INT 2F - METZ XpressFax CASMGR - INSTALLATION CHECK AX = CB00h BX = 4D53h ('MS') CX = 4949h ('II') Return: AL = status 00h not installed, OK to install 01h not installed, not OK to install FFh installed BX = 6D73h ('ms') CX = 6969h ('ii') Note: this function is equivalent to the standard CASMGR installation check, but uses the additional magic values to identify which CAS is installed SeeAlso: AH=2Ah,AX=8000h"FaxBIOS",AX=C000h/BX=444Bh,AX=CB0Eh,AX=CB16h --------F-2FCB01----------------------------- INT 2F - Communicating Applications Specification - SUBMIT A TASK AX = CB01h DS:DX -> ASCIZ name of task control file Return: AX >= 0: event handle AX < 0: two's complement of error code (see #2720) Note: files needed for an event must be kept until task is complete or error SeeAlso: AX=CB0Bh,AX=CB15h (Table 2720) Values for CAS error code: (AH = class, AL = subcode, value passed back is 2's complement) Class 00h --- FAX warnings Subcode 00h no error 02h bad scanline count 03h page sent with errors, could not retransmit 04h received data lost 05h invalid or missing logo file 06h filename does not match nonstandard format (NSF) header 07h file size does not match NSF header Class 01h --- DOS warnings (data was sent) Subcode 01h invalid function 05h access denied 06h invalid handle others see #1366 at INT 21/AH=59h/BX=0000h Class 02h --- fatal errors (data not sent) Subcode 00h multiplex handler failed 01h unknown command 02h bad event handle 03h FIND NEXT attempted before FIND FIRST 04h no more events 07h invalid queue type 08h bad control file 09h communication board busy 0Ah invalid command parameter 0Bh can't uninstall resident code 0Ch file exists 80h unknown task type 81h bad phone number 82h bad .PCX file header 83h unexpected EOF 84h unexpected disconnect 85h too many dialing retries 86h no file specified for send 87h communication board timeout 88h received too many pages (>1023) of data 89h manual connect initiated too long ago 8Ah hardware command set error 8Bh bad NonStandard Format (NSF) header file Class 03h --- fatal DOS errors Subcode 02h file not found 03h path not found others see #1366 at INT 21/AH=59h/BX=0000h Class 04h --- FAX errors Subcode 01h remote unit not Group 3 compatible 02h remote unit did not send capabilities 03h other FAX machine incompatible 04h other FAX incapable of file transfers 05h exceeded retrain or FAX resend limit 06h line noise or failure to agree on bit rate 07h remote disconnected after receiving data 08h no response from remote after sending data 09h remote's capabilities incompatible 0Ah no dial tone (v1.2+) 0Bh invalid response from remote unit after sending data 0Dh phone line dead or remote unit disconnected 0Eh timeout while waiting for secondary dial tone (v1.2+) 11h invalid command from remote after receiving data 15h tried to receive from incompatible hardware 5Ch received data overflowed input buffer 5Dh remote unexpectedly stopped sending data 5Eh other FAX machine jammed (no data sent) 5Fh remote took too long to send fax scan line 63h can't get through to remote unit 64h user canceled event Class 05h --- application-specific (v1.2+) ---Intel FAXPOP.EXE Subcode 00h tried to send while in graphics mode 01h insufficient disk space 02h internal buffer overflow Class 06h --- CAS implementation-specific (v1.2+) --------F-2FCB02----------------------------- INT 2F - Communicating Applications Specification - ABORT CURRENT EVENT AX = CB02h Return: AX >= 0: event handle of aborted event AX < 0: error code (see #2720) Note: termination could take up to 30 seconds SeeAlso: AX=CB08h,AX=CB10h --------F-2FCB05----------------------------- INT 2F - Communicating Applications Specification - FIND FIRST QUEUE ENTRY AX = CB05h CX = status of events to find 0000h successful completion 0001h waiting to be processed 0002h number has been dialed 0003h connection established, sending 0004h connection established, receiving 0005h event aborted FFFFh find any event, regardless of status other negative values, match error code DH = direction 00h chronological order, earliest to latest 01h reverse chronological order, latest to earliest DL = queue to search 00h task queue 01h receive queue 02h log queue Return: AX = 0000h successful BX = event handle for found event AX < 0 error code (see #2720) SeeAlso: AX=CB06h,AX=CB07h --------F-2FCB06----------------------------- INT 2F - Communicating Applications Specification - FIND NEXT QUEUE ENTRY AX = CB06h DL = queue to search 00h task queue 01h receive queue 02h log queue Return: AX = 0000h successful BX = event handle for found event AX < 0 error code (see #2720) Note: direction of search is same as preceding FIND FIRST call SeeAlso: AX=CB05h --------F-2FCB07----------------------------- INT 2F - Communicating Applications Specification - OPEN FILE AX = CB07h BX = event handle from find (AL=05h,06h) or submit task (AL=01h) CX = receive file number (ignored for task queue and log queue) 0000h open receive control file N open Nth received data file DL = queue 00h task queue 01h receive queue control file or received file, as given by CX 02h log queue 03h group file in task queue (v1.2+) 04h group file in log queue (v1.2+) Return: AX = 0000h successful BX = DOS file handle for requested file AX < 0 error code (see #2720) Note: the returned file handle has been opened in read-only mode and should be closed with INT 21/AH=3Eh after use SeeAlso: AX=CB01h,AX=CB05h,AX=CB14h --------F-2FCB08----------------------------- INT 2F - Communicating Applications Specification - DELETE FILE AX = CB08h BX = event handle CX = receive file number 0000h delete ALL received files and receive control file N delete Nth received file DL = queue 00h delete control file in task queue and corresponding group file if it exists 01h delete file in receive queue, as given by CX 02h delete control file in log queue (individual deletions not recommended, to maintain integrity of log) and corresponding group file if it exists Return: AX = 0000h successful AX < 0 error code (see #2720) SeeAlso: AX=CB02h,AX=CB09h --------F-2FCB09----------------------------- INT 2F - Communicating Applications Specification - DELETE ALL FILES IN Q AX = CB09h DL = queue 00h delete all control files in task queue, including all group files 01h delete all files in receive queue 02h delete all control files in log queue, including all group files Return: AX = 0000h successful AX < 0 error code (see #2720) SeeAlso: AX=CB08h --------F-2FCB0A----------------------------- INT 2F - Communicating Applications Specification - GET EVENT DATE AX = CB0Ah BX = event handle DL = queue 00h task queue 01h receive queue 02h log queue Return: AX = 0000h successful CX = year DH = month DL = day AX < 0 error code (see #2720) SeeAlso: AX=CB0Bh,AX=CB0Ch --------F-2FCB0B----------------------------- INT 2F - Communicating Applications Specification - SET TASK DATE AX = CB0Bh BX = event handle (task event only) CX = year DH = month DL = day Return: AX = 0000h successful AX < 0 error code (see #2720) Note: setting a task's date and time to before the current date and time causes it to execute immediately SeeAlso: AX=CB01h,AX=CB0Ah,AX=CB0Dh --------F-2FCB0C----------------------------- INT 2F - Communicating Applications Specification - GET EVENT TIME AX = CB0Ch BX = event handle DL = queue 00h task queue 01h receive queue 02h log queue Return: AX = 0000h successful CH = hour CL = minute DH = second DL = 00h AX < 0 error code (see #2720) SeeAlso: AX=CB0Ah,AX=CB0Dh --------F-2FCB0D----------------------------- INT 2F - Communicating Applications Specification - SET TASK TIME AX = CB0Dh BX = event handle (task events only) CH = hour CL = minute DH = second DL unused Return: AX = 0000h successful AX < 0 error code (see #2720) Note: setting a task's date and time to before the current date and time causes it to execute immediately SeeAlso: AX=CB0Bh,AX=CB0Ch,AX=CB10h --------F-2FCB0E----------------------------- INT 2F - Communicating Applications Specification - GET EXTERNAL DATA BLOCK AX = CB0Eh DS:DX -> 256-byte buffer for external data block (see #2721) Return: AX = 0000h successful DS:DX buffer filled AX < 0 error code (see #2720) Format of CAS external data block: Offset Size Description (Table 2721) 00h BYTE CAS major version 01h BYTE CAS minor version 02h 68 BYTEs ASCIZ path to directory containing CAS software, ends in slash 46h 13 BYTEs ASCIZ name of current phonebook (in CAS directory) 53h 13 BYTEs ASCIZ name of current logo file (in CAS directory) 60h 32 BYTEs ASCIZ default sender name 80h 21 BYTEs ASCIZ CCITT identification of fax device 95h 107 BYTEs reserved --------F-2FCB0F----------------------------- INT 2F - Communicating Applications Specification - GET/SET AUTORECEIVE AX = CB0Fh DL = subfunction 00h get current autoreceive state 01h set autoreceive state DH = number of rings before answer, 00h = never Return: AX = 0000h autoreceive disabled AX = N number of rings before answer AX < 0 error code (see #2720) --------F-2FCB10----------------------------- INT 2F - Communicating Applications Specification - GET CURRENT EVENT STATUS AX = CB10h DS:DX -> 512-byte buffer for status area (see #2723) Return: AX = 0000h successful BX = event handle of current event or negative error code if no current event buffer filled AX < 0 error code (see #2720) SeeAlso: AX=CB02h,AX=CB0Dh (Table 2722) Values for CAS event type: 00h send 01h receive 02h polled send 03h polled receive 04h to 7Fh reserved FFh serious hardware error Format of CAS status area: Offset Size Description (Table 2723) 00h BYTE event type (see #2722) 01h BYTE transfer type 00h 200x200 dpi, FAX mode 01h 100x200 dpi, FAX mode 02h file transfer mode 03h to 7Fh reserved 02h WORD event status (see #2724) 04h WORD event time (packed DOS time format, see INT 21/AX=5700h) 06h WORD event date (packed DOS date format, see INT 21/AX=5700h) 08h WORD number of files to transfer, max 7FFFh 0Ah WORD offset of file transfer record 0Ch 47 BYTEs ASCIZ phone number to call 3Bh 64 BYTEs ASCIZ application-specific tag string 7Bh BYTE reserved (00h) 7Ch BYTE connect time, seconds 7Dh BYTE connect time, minutes 7Eh BYTE connect time, hours 7Fh DWORD total number of pages in all files 83h DWORD pages already transmitted 87h WORD number of files already transmitted 89h BYTE cover page flag 00h don't transmit cover page 01h transmit cover page 02h to 7Fh reserved 8Ah WORD total number of transmission errors 8Ch 78 BYTEs reserved (zeros) DAh 21 BYTEs ASCIZ remote FAX's CCITT identification EFH 32 BYTEs ASCIZ destination name 10Fh 32 BYTEs ASCIZ sender name 12Fh 80 BYTEs filename of PCX logo file (max 1780x800 pixels) 17Fh 128 BYTEs file transfer record for current event (see #2725) (Table 2724) Values for CAS event status: 0000h completed successfully 0001h waiting 0002h number dialed 0003h connected, sending 0004h connected, receiving 0005h aborted 0006h to 007Fh reserved 0080h to 7FFFh application-specific events 8000h to FFFFh error codes Format of CAS file transfer record: Offset Size Description (Table 2725) 00h BYTE file type (ignored unless FAX) 00h ASCII 01h PCX 02h DCX 03h to 7Fh reserved 01h BYTE text size for ASCII FAX file 00h = 80 columns by 66 lines (11 inches) 01h = 132 columns by 88 lines (11 inches) 02h to 7Fh reserved 02h BYTE status of file 00h untouched 01h opened 02h moved 03h deleted 04h not yet received 05h to 7Fh reserved 03h DWORD bytes already transmitted 07h DWORD file size in bytes 0Bh WORD pages alread transmitted 0Dh WORD number of pages in file 0Fh 80 BYTEs ASCIZ filename 5Fh BYTE 1/8 inch page length if page length below set to 01h through 7Fh, this value specifies additional 1/8 inch increments to page length 60h BYTE page length 00h = 11 inches 01h to 7Fh = page length is this number of inches plus value of 1/8 inch field above 80h to FEh reserved FFh = ASCII pages ending with formfeed 61h 31 BYTEs reserved (zeros) --------F-2FCB11----------------------------- INT 2F - Communicating Applications Specification - GET QUEUE STATUS AX = CB11h DL = queue to get status of 00h task queue 01h receive queue 02h log queue 03h send events (v1.2+) 04h receive events (v1.2+) Return: AX >= 0 total number of changes made to queue, modulo 32768 BX = number of control files currently in queue CX = number of received files (zero for task and log queues) AX < 0 error code (see #2720) SeeAlso: AX=CB12h --------F-2FCB11DL03------------------------- INT 2F - Communicating Applications Spec v1.2+ - GET NUMBER OF SEND EVENTS AX = CB11h DL = 03h Return: AX = number of successful sends since resident manager started BX = number of unsuccessful sends, including warnings SeeAlso: AX=CB11h/DL=04h --------F-2FCB11DL04------------------------- INT 2F - Communicating Applications Spec v1.2+ - GET NUMBER OF RECEIVE EVENTS AX = CB11h DL = 04h Return: AX = number of received file events since resident manager started BX = number of received FAX events SeeAlso: AX=CB11h/DL=03h --------F-2FCB12----------------------------- INT 2F - Communicating Applications Specification - GET HARDWARE STATUS AX = CB12h DS:DX -> 128-byte status buffer (see #2726,#2728) Return: AX = 0000h successful DS:DX buffer filled with hardware-dependent status information < 0 error code (see #2720) SeeAlso: AX=CB10h,AX=CB11h Format of status buffer for Intel Connection CoProcessor: Offset Size Description (Table 2726) 00h BYTE Connection CoProcessor connection status flags (see #2729) 01h BYTE number of kilobytes of free buffer space 02h BYTE page buffer status bit 7: Connection CoProcessor has documents to send bits 6-0: number of pages in buffer 03h BYTE number of retries left for dialing number 04h BYTE page number to retransmit 05h BYTE communications status (see #2730) 06h BYTE baud rate (see #2727) 07h 3 BYTEs reserved 0Ah BYTE Connection CoProcessor hardware status (see #2731) 0Bh BYTE Connection CoProcessor switch states (see #2732) 0Ch BYTE communications flags (see #2733) 0Dh BYTE reserved 0Eh WORD error count (only valid while busy, reset when idle) 10h DWORD size of nonstandard format (NSF) file in bytes 14h BYTE 'A' if Connection CoProcessor board present 15h 9 BYTEs reserved 1Eh 21 BYTEs ASCIZ CCITT identification 33h 77 BYTEs reserved Note: the Intel Connection CoProcessor and SatisFAXtion may be distinguished by examining the byte at offset 14h Bitfields for Connection CoProcessor baud rate: Bit(s) Description (Table 2727) 7 reserved 6-4 baud rate 000 = 300 baud (V.21 SDLC or HDLC mode) 100 = 2400 baud (V.27 ter) 101 = 4800 baud (V.27 ter) 110 = 7200 baud (V.29) 111 = 9600 baud (V.29) 3-0 reserved, should be 0110 Format of status buffer for Intel SatisFAXtion board: Offset Size Description (Table 2728) 00h BYTE SatisFAXtion connection status flags (see #2734) 01h BYTE SatisFAXtion board state (see #2735) 02h BYTE number of KB free in buffer 03h BYTE number of pages or files in buffer 04h BYTE number of redials remaining on current number 05h BYTE FAX page number to retransmit 06h BYTE current page/file in block transfer 07h BYTE number of rings received (only if auto-answer enabled) 08h WORD error count 0Ah DWORD length of file being transferred 0Eh 6 BYTEs reserved 14h BYTE 'B' if SatisFAXtion board present 15h 13 BYTEs ASCIZ transfer agent name 22h 5 BYTEs ASCIZ transfer agent version number 27h 13 BYTEs ASCIZ resident loader name 34h 5 BYTEs ASCIZ resident loader version number 39h 21 BYTEs ASCIZ remote CSID 4Eh 13 BYTEs ASCIZ resident manager name 5Bh 5 BYTEs ASCIZ resident manager version number 60h 32 BYTEs reserved Note: the Intel Connection CoProcessor and SatisFAXtion may be distinguished by examining the byte at offset 14h Bitfields for Connection CoProcessor connection status flags: Bit(s) Description (Table 2729) 7 hardware busy sending or receiving 6 last page of data 5 no data on current page 4 retransmit request for current page being transmitted 3 NSF (nonstandard file) mode active 2-0 reserved Bitfields for communications status: Bit(s) Description (Table 2730) 7 originating call 6 FAX message to be sent 5 on line 4 ring detected and receive enabled 3 buffer dumped on receive 2-0 hardware sequence state 000 idle 001 dial 010 answer 011 transmit 100 receive 101 pre-message 110 post-message 111 disconnect Bitfields for Connection CoProcessor hardware status: Bit(s) Description (Table 2731) 7 modem option installed 6 Connection CoProcessor has control of DAA (not latched) 5 on line (not latched) 4 ring detected (not latched) 3 data in command buffer (not latched) 2 set if using DMA channel 1, clear if using DMA channel 3 1 line length compensation 1 set (not latched) 0 line length compensation 0 set (not latched) Bitfields for Connection CoProcessor switch states: Bit(s) Description (Table 2732) 7 reserved 6 unused 5 spare switch open 4 FAX ADR1 switch open 3 FAX ADR0 switch open 2 alternate interrupt switch open 1 COM SEL 1 switch open 0 COM SEL 0 switch open Note: valid combinations of 0-2 are 000 COM2 IRQ3 IObase 2F8h 001 COM1 IRQ4 IObase 3F8h 010 COM4 IRQ3 IObase 2E8h 011 COM3 IRQ4 IObase 3E8h 110 COM4 IRQ2 IObase 2E8h 111 COM3 IRQ5 IObase 3E8h Bitfields for communications flags: Bit(s) Description (Table 2733) 7 reserved 6 auxiliary relay forced ON 5 modem select relay forced ON 4 offhook relay forced ON 3 9600 bps enabled 2 7200 bps enabled 1 4800 bps enabled 0 2400 bps enabled Bitfields for SatisFAXtion connection status flags: Bit(s) Description (Table 2734) 7 busy in T.30 CCITT fax protocol 6 data on current page/file (only used for block xfers) 5 retransmission of last page requested 4 in file transfer mode 3 data in buffer 2 data buffer dumped on receive 1 200x100 dpi resolution instead of 200x200 dpi 0 data modem in use, FAX image modem not available Bitfields for SatisFAXtion board state: Bit(s) Description (Table 2735) 7 reserved 6 handset jack active, data and FAX modems not available 5-3 current rate 000 300 bps (V.21 HDLC) 100 2400 bps (V.27 ter) 101 4800 bps (V.27 ter) 110 7200 bps (V.29) 111 9600 bps (V.29) 2-0 T.30 CCITT protocol state 000 idle 001 dialing 010 answering 011 transmitting 100 receiving 101 pre-message 110 post-message 111 disconnect --------F-2FCB13DL00------------------------- INT 2F - Communicating Applications Specification - GET DIAGNOSTICS RESULTS AX = CB13h DL = 00h Return: AX = 0040h in progress >= 0 passed < 0 hardware-dependent failure code (see #2736,#2737) SeeAlso: AX=CB13h/DL=01h Bitfields for Intel Connection CoProcessor failure codes: Bit(s) Description (Table 2736) 3 9600 bps FAX modem module failed 2 SDLC chip failed 1 RAM failed 0 ROM checksum failed Bitfields for Intel SatisFAXtion failure codes: Bit(s) Description (Table 2737) 1 2400 bps data modem failed 0 9600 bps FAX modem failed --------F-2FCB13DL01------------------------- INT 2F - Communicating Applications Specification - START DIAGNOSTICS AX = CB13h DL = 01h Return: AX = 0000h successfully started AX < 0 error code (see #2720) SeeAlso: AX=CB13h/DL=00h --------F-2FCB14----------------------------- INT 2F - Communicating Applications Specification - MOVE RECEIVED FILE AX = CB14h BX = event handle CX = receive file number 0001h first received file N Nth received file DS:DX -> ASCIZ string specifying new name for file (must not exist) Return: AX = 0000h successful AX < 0 error code (see #2720) --------F-2FCB15----------------------------- INT 2F - Communicating Applications Specification - SUBMIT FILE TO SEND AX = CB15h DS:DX -> variable-length data area (see #2738) Return: AX >= 0 event handle AX < 0 error code (see #2720) SeeAlso: AX=CB01h Format of CAS file submission data area: Offset Size Description (Table 2738) 00h BYTE transfer type 00h = 200x200 dpi, fax mode 01h = 100x200 dpi, fax mode 02h = file transfer mode 03h to 7Fh reserved 01h BYTE text size 00h = 80 columns 01h = 132 columns 02h to 7Fh reserved 02h WORD time to send (DOS packed time, see #1351 at INT 21/AX=5700h) 04h WORD date to send (DOS packed date, see #1352 at INT 21/AX=5700h) 06h 32 BYTEs ASCIZ destination name 26h 80 BYTEs ASCIZ name of file to send 76h 47 BYTEs ASCIZ phone number to dial A5h 64 BYTEs ASCIZ application-specific tag string E5h BYTE reserved (00h) E6h BYTE cover page 00h don't send cover page 01h send cover page 02h to 7Fh reserved E7h 23 BYTEs reserved (zeros) FEh variable ASCIZ string containing text of cover page (if cover page flag set to 01h) --------F-2FCB16BX1234----------------------- INT 2F - Communicating Applications Spec v1.2+ - UNLOAD RESIDENT MANAGER AX = CB16h BX = 1234h CX = 5678h DX = 9ABCh Return: AX = 0000h successful AX < 0 error code Note: the METZ XpressFax CASMGR ignores the values in BX,CX, and DX SeeAlso: AX=C000h/BX=444Bh,AX=CB00h Index: uninstall;CAS Manager --------F-2FCB17----------------------------- INT 2F - Communicating Applications Spec v1.2+ - SET COVER PAGE STATUS AX = CB17h BX = event handle CL = cover page status 00h not read 01h read by user Return: AX = 0000h successful AX < 0 error code --------F-2FCB80----------------------------- INT 2F - Intel SatisFAXtion CASMGR - ??? AX = CB80h ??? Return: ??? --------F-2FCB81----------------------------- INT 2F - Intel SatisFAXtion CASMGR - ??? AX = CB81h ??? Return: ??? --------F-2FCB82----------------------------- INT 2F - Intel SatisFAXtion CASMGR - ??? AX = CB82h ??? Return: ??? --------F-2FCBDCBL56------------------------- INT 2F - Comwave Microfax Specification - GET STATUS ARRAY AX = CBDCh BL = 56h BH = line number (starts with 1) CX:DX -> 32-byte status buffer or 80 character string Return: AX = number of cards installed, or FFFFh on error Program: Comwave manufacturers the Microfax line of fax cards which are a high-performance multi-card FAX solution for OEMs. Note: defaults to AH=CBh but can be changed SeeAlso: AX=CBDDh,AX=DA00h --------F-2FCBDDBL56------------------------- INT 2F - Comwave Microfax Specification - COMMAND SUBMISSION AX = CBDDh BL = 56h BH = ? CX:DX -> command to execute Return: AX = status 0000h success FFFFh on error SeeAlso: AH=2Ah,AX=CBDCh,AX=80FBh --------c-2FCC--SI5453----------------------- INT 2F U - PC-Kwik Programs - API AH = CCh SI = 5453h or 7473h AL = function number (at least 00h,01h,04h,05h,07h,80h) DL = program identifier (see #2739) Return: SI = 7473h other registers vary by function Note: Qualitas Qcache v4.00 is an OEM version of Super PC-Kwik v4.00, and thus supports this call SeeAlso: INT 21/AH=2Bh/CX=4358h (Table 2739) Values for PC-Kwik program identifier: 00h all installed PowerPak programs 01h SUPERPCK/SUPER/QCACHE v4.00+ (disk cache) 02h PCKSPL (print spooler) 04h PCKSCRN (screen accelerator) 05h PCKKEY (keyboard enhancer) 06h PCKRAMD (RAM disk) 08h PCKWIK.SYS 10h PCKCDROM (CD-ROM support for SUPERPCK) --------N-2FCC00----------------------------- INT 2F - Tsoft NFSDRVR - INSTALLATION CHECK AX = CC00h Return: AX = 7777h BX = ??? CX = ??? DX = ??? ES = data segment of resident portion SeeAlso: AX=CC01h,AX=CC06h --------N-2FCC01----------------------------- INT 2F - Tsoft NFSDRVR - ??? AX = CC01h ??? Return: ??? SeeAlso: AX=CC00h --------N-2FCC02----------------------------- INT 2F - Tsoft NFSDRVR - ??? AX = CC02h ??? Return: ??? SeeAlso: AX=CC00h --------N-2FCC03----------------------------- INT 2F - Tsoft NFSDRVR - ??? AX = CC03h ??? Return: ??? SeeAlso: AX=CC00h --------N-2FCC04----------------------------- INT 2F - Tsoft NFSDRVR - ??? AX = CC04h ??? Return: ??? SeeAlso: AX=CC00h --------N-2FCC05----------------------------- INT 2F - Tsoft NFSDRVR - ??? AX = CC05h ??? Return: ??? SeeAlso: AX=CC00h --------N-2FCC06----------------------------- INT 2F - Tsoft NFSDRVR - ??? AX = CC06h ??? Return: ??? SeeAlso: AX=CC00h --------P-2FCD00----------------------------- INT 2F - Intel Image Processing Interface - INSTALLATION CHECK AX = CD00h Return: AL = state 00h not installed, OK to install 01h not installed, not OK to install FFh installed SeeAlso: AX=CD02h"Image" --------P-2FCD00----------------------------- INT 2F - LaserPort Interface - INSTALLATION CHECK AX = CD00h Return: AL = status FFh installed SeeAlso: AX=CD0Fh"LaserPort" --------U-2FCD00----------------------------- INT 2F - SWELL.EXE - INSTALLATION CHECK AX = CD00h Return: AX = 00FFh installed BH = major version BL = minor version Program: SWELL.EXE is a TSR which swaps programs to disk when they EXEC a child process with INT 21/AH=4Bh --------s-2FCD00BX464F----------------------- INT 2F - Forte/Gravis ULTRAMID - INSTALLATION CHECK AX = CD00h BX = 464Fh ('FO') CX = 5254h ('RT') DX = 4520h ('E ') Return: AL = FFh if installed BX = 4155h ('AU') CX = 4449h ('DI') DX = 4F20h ('O ') ES:SI -> program ID string Program: ULTRAMID is a MIDI driver for the Gravis UltraSound which allows use of AIL drivers with other software Range: AH=CDh-ECh, selected by scanning for an available multiplex number SeeAlso: INT 21/AX=FD12h,AX=CD00h/DX=4957h --------s-2FCD00DX4957----------------------- INT 2F R - InterWave Game API - INSTALLATION CHECK AX = CD00h DX = 4957h ('IW') SI = 5645h ('VE') Return: AL = FFh if installed DX = 4554h ('ET') SI = 454Bh ('EK') Range: AH=CDh-ECh, selected by scanning for an available multiplex number SeeAlso: AX=CD00h/BX=464Fh,AX=CD01h"InterWave",AX=CD21h"InterWave" SeeAlso: AX=CD80h"InterWave" --------P-2FCD01----------------------------- INT 2F - Intel Image Processing Interface - SET DEVICE NAME AX = CD01h CX:BX -> ASCIZ character device name ("LPTn", "COMn", "PRN") Return: AL = status 00h successful CX:BX -> internal character device name 80h error --------U-2FCD01----------------------------- INT 2F - SWELL.EXE - SUSPEND ONCE AX = CD01h Return: AX = 0000h SeeAlso: AX=CD02h"SWELL" --------s-2FCD01BX0000----------------------- INT 2F R - InterWave Game API - GET NUMBER OF INTERWAVE PROGRAMS / PROGRAM ID AX = CD01h BX = 0000h Return: BX = number of programs currently installed on the Game API Desc: get the number of programs supporting the InterWave Game API which are currently installed in memory, which also forms the next program ID number if the caller wishes to go resident on the API Range: AH=CDh-ECh, selected by scanning for an available multiplex number Notes: the first program to install on the IW Game API must use ID 00h the AMD-recommended implementation is for the handler to increment BX and chain to the previous handler (if any), but this will fail if TSRs are unloaded out-of-order SeeAlso: AX=CD00h"InterWave",AX=CD02h"InterWave",AX=CD03h"InterWave" SeeAlso: AX=CD05h"InterWave",AX=CD21h"InterWave",AX=CD80h"InterWave" --------P-2FCD02----------------------------- INT 2F - Intel Image Processing Interface - GET VERSION NUMBER AX = CD02h Return: AL = status 00h/01h successful BH = major version number (BCD) BL = minor version number (BCD) 80h error Note: if return AL = 01h, the IPI supports network redirection SeeAlso: AX=CD00h"Image" --------U-2FCD02----------------------------- INT 2F - SWELL.EXE - SUSPEND AX = CD02h Return: AX = 0000h SeeAlso: AX=CD03h"SWELL" --------s-2FCD02----------------------------- INT 2F R - InterWave Game API - GET PROGRAM STATUS AND INFORMATION AX = CD02h BX = program identifier Return: CX = program status bit 0: using synthesizer bit 1: using Codec bit 2: supports at least one Game Device (see AX=CD21h,AX=CD22h) BX = supported API version (BCD, BH=major, BL=minor) if CX bit 2 set ES:DI -> ASCIZ identification string Range: AH=CDh-ECh, selected by scanning for an available multiplex number Note: ordinarily, an application will loop through all valid program identifiers (as returned by AX=CD01h); if any of the installed programs conflicts with the use the caller wishes to make of the InterWave chip, it should be disabled with AX=CD03h first SeeAlso: AX=CD00h"InterWave",AX=CD01h"InterWave",AX=CD03h"InterWave" SeeAlso: AX=CD05h"InterWave",AX=CD21h"InterWave",AX=CD80h"InterWave" --------P-2FCD03----------------------------- INT 2F - Intel Image Processing Interface - SELECT SCAN LINE AX = CD03h BX = scan line CX = requested density in dots per inch (300, 600, or 1200) Return: AL = status (see also AX=CD04h"Image") 00h successful CX = density at which scan line was mapped ES:DI -> start of scan line 80h unsuccessful 81h scan line out of range 82h unsupported scan line density 83h out of memory SeeAlso: AX=CD04h"Image" --------U-2FCD03----------------------------- INT 2F - SWELL.EXE - ACTIVATE AX = CD03h Return: AX = 0000h SeeAlso: AX=CD02h"SWELL" --------s-2FCD03----------------------------- INT 2F R - InterWave Game API - SUSPEND PROGRAM AX = CD03h BX = installed program identifier CX = InterWave section to be released 0000h all 0001h synthesizer 0002h Codec Return: AL = status 00h successful BX = base port CL = IRQ CH = DMA channel (Codec only) else failed SeeAlso: AX=CD00h"InterWave",AX=CD01h"InterWave",AX=CD02h"InterWave" SeeAlso: AX=CD04h"InterWave",AX=CD21h"InterWave",AX=CD80h"InterWave" --------P-2FCD04----------------------------- INT 2F - Intel Image Processing Interface - MOVE BITMAP TO SCANLINE AX = CD04h CX:BX -> structure (see #2741) Return: AL = status (see #2740) SeeAlso: AX=CD03h"Image" (Table 2740) Values for IPI function status: 00h successful 80h unsuccessful 81h scan line out of range 82h unsupported scan line density 83h out of memory 84h unrecognized source 85h initialization error Format of structure: Offset Size Description (Table 2741) 00h WORD image source (0 = conventional memory, 1 = expanded memory) 02h DWORD pointer to image data 06h WORD scan line on which to place 08h WORD bit offset from start of scan line at which to place 0Ah WORD density of bitmap data (300, 600, or 1200 dpi) 0Ch WORD width in bits of data 0Eh WORD source logical page number 10h WORD source handle (only if source in expanded memory) 12h WORD source offset (only if source in expanded memory) --------U-2FCD04----------------------------- INT 2F - SWELL.EXE - TURN OFF VERBOSE MODE AX = CD04h Return: AX = 0000h SeeAlso: AX=CD05h"SWELL" --------s-2FCD04----------------------------- INT 2F R - InterWave Game API - WAKE PROGRAM AX = CD04h BX = installed program identifier Return: AL = status 00h successful else failed Note: this function should only be called after the program has been suspended with AX=CD03h SeeAlso: AX=CD00h"InterWave",AX=CD01h"InterWave",AX=CD03h"InterWave" SeeAlso: AX=CD05h"InterWave",AX=CD21h"InterWave",AX=CD80h"InterWave" SeeAlso: INT 7E/AL=84h"IWSBSDRV" --------P-2FCD05----------------------------- INT 2F - Intel Image Processing Interface - PRINT PAGE AX = CD05h Return: AL = status (00h,80h) (see #2740) Note: page image is retained, so multiple calls will print multiple copies of the page SeeAlso: AX=CD06h"Image" --------U-2FCD05----------------------------- INT 2F - SWELL.EXE - TURN ON VERBOSE MODE AX = CD05h Return: AX = 0000h SeeAlso: AX=CD04h"SWELL" --------s-2FCD05----------------------------- INT 2F R - InterWave Game API - UNINSTALL RESIDENT DEVICE DRIVER AX = CD05h BX = installed program identifier Return: AL = status 00h successful else failed SeeAlso: AX=CD00h"InterWave",AX=CD01h"InterWave",AX=CD02h"InterWave" SeeAlso: AX=CD03h"InterWave",AX=CD21h"InterWave",AX=CD80h"InterWave" --------P-2FCD06----------------------------- INT 2F - Intel Image Processing Interface - CLEAR PAGE AX = CD06h Return: AL = status (00h,80h) (see #2740) Note: palette is reset to default SeeAlso: AX=CD09h"Image" --------U-2FCD06----------------------------- INT 2F - SWELL.EXE - UNINSTALL AX = CD06h Return: AX = status 0000h uninstalled 8002h programs still swapped, not uninstalled --------P-2FCD07----------------------------- INT 2F - Intel Image Processing Interface - reserved AX = CD07h SeeAlso: AX=CD00h"Image" --------U-2FCD07----------------------------- INT 2F - SWELL.EXE - GET INFO AX = CD07h ES:BX -> 32-byte buffer for info (see #2742) Return: AX = status 0000h successful ES:BX buffer filled 8001h buffer wrong size Format of SWELL.EXE info buffer: Offset Size Description (Table 2742) 00h WORD 20h (total size of buffer) 02h BYTE suspend-once mode active if nonzero 03h BYTE 00h active, 01h suspended 04h BYTE 00h quiet, 01h verbose 05h BYTE "Borland support" (allowing INT 21/AX=4B01h) on if nonzero 06h 26 BYTEs unused??? --------P-2FCD08----------------------------- INT 2F - Intel Image Processing Interface - SCREEN IMAGE AX = CD08h CX:BX -> structure (see #2743) Return: AL = status (00h,80h-85h) (see #2740) SeeAlso: AX=CD05h"Image",AX=CD09h"Image" Format of IPI screen image structure: Offset Size Description (Table 2743) 00h WORD image source (0 = conventional memory, 1 = expanded memory) 02h DWORD pointer to image data 06h WORD horizontal position on paper of left edge (in 1200 dpi units) 08h WORD vertical position on paper of top edge (in 1200 dpi units) 0Ah WORD left cropping (currently must be zero) 0Ch WORD top cropping (currently must be zero) 0Eh WORD width (currently must be 8000h) 10h WORD height (currently must be 8000h) 12h WORD horizontal size of image in 1200 dpi units 14h WORD vertical size of image in 1200 dpi units 16h WORD aspect ratio (currently reserved) 18h WORD initialization flag (if 01h, initialization is performed) 1Ah WORD pixels per line of source data 1Ch WORD number of scan lines in source data 1Eh WORD number of scan lines in packet 20h WORD bits per pixel (1,2,4,6, or 8) 22h WORD pixels per byte (1,2,4, or 8) 24h WORD compression type (currently only 00h [uncompressed] supported) 26h WORD source page number (if in expanded memory) 28h WORD source handle (if in expanded memory) 2Ah WORD source offset (if in expanded memory) --------U-2FCD08----------------------------- INT 2F - SWELL.EXE - UNUSED AX = CD08h Return: AX = FFFFh (error) --------P-2FCD09----------------------------- INT 2F - Intel Image Processing Interface - LOAD SCREEN AX = CD09h CX:BX -> structure (see #2744) Return: AL = status (00h,80h) (see #2740) SeeAlso: AX=CD06h"Image Processing",AX=CD0Ah"Image Processing" Format of IPI load screen structure: Offset Size Description (Table 2744) 00h BYTE style 44h ('D') diamond style 4Ch ('L') line style 01h BYTE reserved (00h) 02h WORD frequency in lines per inch [sic] currently, coerced to nearest of 50, 60, 68, 70, 75, 85, or 100 04h WORD screen angle in degrees (-360 to 360) currently coerced to nearest of -45, 0, 45, or 90 --------U-2FCD09----------------------------- INT 2F - SWELL.EXE - TURN OFF "BORLAND SUPPORT" AX = CD09h Return: AX = 0000h SeeAlso: AX=CD0Ah"SWELL" --------P-2FCD0A----------------------------- INT 2F - Intel Image Processing Interface - LOAD PALETTE AX = CD0Ah CX:BX -> palette structure (see #2745) Return: AL = status (00h,80h) (see #2740) SeeAlso: AX=CD09h"Image Processing" Format of IPI palette structure: Offset Size Description (Table 2745) 00h BYTE bits per pixel for which palette is to be used (1,2,4,6, or 8) 01h 2**N palette translation values, one per possible pixel value --------U-2FCD0A----------------------------- INT 2F - SWELL.EXE - TURN ON "BORLAND SUPPORT" AX = CD0Ah Return: AX = 0000h SeeAlso: AX=CD09h"SWELL" --------P-2FCD0F----------------------------- INT 2F - LaserPort Interface - EXECUTE FUNCTION AX = CD0Fh BL = function 01h enable 02h disable 03h ??? Return: AL = status 00h success SeeAlso: AX=CD00h"LaserPort" --------s-2FCD21----------------------------- INT 2F R - InterWave Game API - OPEN GAME DEVICE AX = CD21h BX = installed program identifier ES:DI -> ASCIZ device name "MIDISIMPLE" "MIDICOMPLEX" "DIRECTCODEC" Return: AL = status 00h successful DX = device handle ---MIDISIMPLE and MIDICOMPLEX--- BX = real-mode interrupt number (see #2746,#2747) ---DIRECTCODEC--- BX = base port CL = IRQ CH = DMA channel (04h = no DMA) SI = size of FIFO in bytes (0000h = use DMA) nonzero failed (not supported or already in use) AH may be destroyed Range: AH=CDh-ECh, selected by scanning for an available multiplex number SeeAlso: AX=CD00h"InterWave",AX=CD01h"InterWave",AX=CD02h"InterWave" SeeAlso: AX=CD05h"InterWave",AX=CD22h"InterWave",AX=CD80h"InterWave" (Table 2746) Call MIDISIMPLE with: EAX = function number 0001h MIDI byte out BL = MIDI byte to send 0002h MIDI string out ECX = length of MIDI string in bytes ES:EDI -> MIDI string to send (should not include timing info) DX = device handle INT xxh (as returned by AX=CD21h) Return: EAX = status 00000000h if successful FFFFFFFFh on error (bad handle) SeeAlso: #2747,INT 7E/AX=0001h"IWSBSDRV",INT 7E/AX=0002h"IWSBSDRV" (Table 2747) Call MIDICOMPLEX with: EAX = function number ??? (specification is still in development) DX = device handle INT xxh (as returned by AX=CD21h) Return: EAX = status 00000000h if successful FFFFFFFFh on error (bad handle) SeeAlso: #2746 --------s-2FCD22----------------------------- INT 2F R - InterWave Game API - CLOSE GAME DEVICE AX = CD22h BX = installed program identifier DX = device handle (from AX=CD21h) Return: AL = status 00h successful FFh inavlid handle or device is not open Range: AH=CDh-ECh, selected by scanning for an available multiplex number SeeAlso: AX=CD00h"InterWave",AX=CD01h"InterWave",AX=CD02h"InterWave" SeeAlso: AX=CD05h"InterWave",AX=CD21h"InterWave",AX=CD80h"InterWave" --------s-2FCD80----------------------------- INT 2F RC - InterWave Game API - MIXER SETTINGS CHANGED BROADCAST AX = CD80h Return: nothing Desc: called by an application controlling the InterWave chip's mixer whenever the mixer's settings are changed Range: AH=CDh-ECh, selected by scanning for an available multiplex number Note: when an application intercepts this function call, it must read the new mixer settings from the InterWave chip SeeAlso: AX=CD00h"InterWave",AX=CD01h"InterWave",AX=CD02h"InterWave" SeeAlso: AX=CD05h"InterWave",AX=CD21h"InterWave",AX=CD22h"InterWave" --------K-2FCF00----------------------------- INT 2F - TEMPLEXX 1.0 - INSTALLATION CHECK AX = CF00h Return: AL = FFh if installed Program: TEMPLEXX is a popup keyboard template by Henson Scientific, Inc. Note: values in AL other than 00h cause an immediate return without modifying any registers --------G-2FD000----------------------------- INT 2F C - MDEBUG display driver - GET DRIVER STATUS AX = D000h Return: CF set on error all other registers must be unchanged) CF clear if successful AL = FFh AH = driver semaphor 00h driver is not active 01h driver is active BX = CS of the driver CX = driver version (CH = major, CL = minor, must be >= 013Ch) DL = buffer semaphor 00h driver is not pending 01h driver is pending between functions 02h and 03h DH = show semaphor 00h driver is not pending 01h driver is pending between functions 04h and 05h Program: MDEBUG is a shareware memory-resident debugging tool by Bernd Schemmer, including a memory monitor, an interpreter and a disassembler Range: AH=C0h to AH=FFh, selected by switch or programmatically Notes: MDEBUG can use any two consecutive multiplex numbers between C0h and FFh; the default is D0h for the display driver and D1h for the command driver (call INT 60/AH=00h"MDEBUG" for the actual multiplex numbers used) this function MUST be reentrant, as MDEBUG calls it after every popup before any other actions. The handler should not change any registers if the display is in an unsupported mode or in a mode MDEBUG supports itself, e.g. a normal text mode with at least 80x25 characters (i.e. 80x43 or 132x44 (v1.60+)). In this case MDEBUG will not call any of the other functions for this popup session. MDEBUG will not call the other functions if the returned version is less than the actual version of MDEBUG. if the driver is reentrant, DL and DH should be 00h SeeAlso: AX=D001h,AX=D002h,AX=D003h,AX=D004h,AX=D005h --------M-2FD000----------------------------- INT 2F - ZWmous - INSTALLATION CHECK AX = D000h Return: AX = 5A57h ("ZW") if installed BX = segment of resident code Program: ZWmous is a shareware TSR by Zen Wu which permits the use of a mouse with many non-mouse applications by entering the letter under the mouse cursor on button presses SeeAlso: INT 33/AX=0003h --------N-2FD000----------------------------- INT 2F - Lotus CD/Networker - INSTALLATION CHECK AX = D000h Return: AL = FFh if CD/Networker TSR is loaded BX = 4D44h ("MD") signature CX = Windows mode word (from INT 2F/AX=1600h) at time of TSR load DX = bitmap identifying all loaded CD/Networker TSRs. Notes: INT 2F/AH=D0h is used by CD/Networker to communicate between a resident redirector TSR and a transient program that controls the TSR's CD-ROM drive emulation (volume attachments, caching, etc). At present there is only one CD/Networker TSR; the bitmap always = 4. SeeAlso: AX=D002h"Lotus",INT 2F/AX=1500h"CD-ROM" --------G-2FD001----------------------------- INT 2F C - MDEBUG display driver - INITIALIZE DRIVER AX = D001h Return: CF set on error AL = driver semaphor AH = buffer semaphor Range: AH=C0h to AH=FFh, selected by switch or programmatically Notes: MDEBUG calls this function after every successful call of the function 00h. The function should reset all internal data and the status of the driver. If this function returns an error, MDEBUG will not call the other functions in this popup session. MDEBUG can use any two consecutive multiplex numbers between C0h and FFh; the default is D0h for the display driver and D1h for the command driver SeeAlso: AX=D000h --------G-2FD002----------------------------- INT 2F C - MDEBUG display driver - SAVE GRAPHIC DATA AX = D002h Return: CF set on error CF clear if successful display memory saved and display switched to one of the text modes 02h, 03h or 07h. Note: MDEBUG calls this function only once every popup session before displaying its windows. SeeAlso: AX=D000h,AX=D003h --------N-2FD002BX4D44----------------------- INT 2F - Multiplex - Lotus CD/Networker GET DATA AREA AX = D002h BX = 4D44h DX = bitmap identifying one loaded CD/Networker TSR Return: ES:DI -> data area owned by TSR Note: the format of the data area changes with each minor revision, so it cannot be counted on SeeAlso: AX=D000h"Lotus" --------G-2FD003----------------------------- INT 2F C - MDEBUG display driver - RESTORE GRAPHIC DATA AX = D003h Return: CF set on error CF clear if successful display restored to the mode it was in before calling AX=D002h and the display memory is restored Note: MDEBUG calls this function only once every popup session just before it exits to normal DOS. SeeAlso: AX=D000h,AX=D002h --------G-2FD004----------------------------- INT 2F - MDEBUG display driver - SHOW SAVED DATA AX = D004h Return: CF set on error CF clear if successful display switched to mode it was in before calling AX=D002h and the display memory is restored Note: This function needn't save the display memory before changing it. SeeAlso: AX=D000h,AX=D005h --------G-2FD005----------------------------- INT 2F - MDEBUG display driver - SWITCH BACK TO TEXT SCREEN AX = D005h Return: CF set on error CF clear if successful display restored to mode it was in before calling AX=D004h Note: This function needn't save or change the display memory SeeAlso: AX=D000h,AX=D004h --------G-2FD0------------------------------- INT 2F - MDEBUG display driver - RESERVED FUNCTION NUMBERS AH = D0h AL = 06h-7Fh Note: these functions are reserved for future use --------G-2FD0------------------------------- INT 2F - MDEBUG display driver - USER DEFINED FUNCTION NUMBERS AH = D0h AL = 80h-FFh Note: these functions numbers are reserved for user defined features (e.g. communication between the transient und resident parts of the driver) --------G-2FD100----------------------------- INT 2F C - MDEBUG command driver - GET STATUS AX = D100h BX = version of MDEBUG (BH = major, BL = minor) CX = command driver counter ---v1.60+--- DS:SI -> MDEBUG identification table (see #2748) ES = segment of display memory used by MDEBUG DI = size of video mode used by MDEBUG (high byte = lines, low byte = columns) Return: DL = FFh BX = version number of the driver if it is less than the version in BX, else unchanged CX incremented Program: MDEBUG is a shareware memory-resident debugging tool by Bernd Schemmer, including a memory monitor, an interpreter, and a disassembler Range: AH=C0h to AH=FFh, selected by switch or programmatically Notes: called by MDEBUG at start of popup session; if the version number returned in BX is less than 1.52 (1.60 for MDEBUG v1.70), MDEBUG will not call any of the other functions during this popup session MDEBUG can use any two consecutive multiplex numbers between C0h and FFh; the default is D0h for the display driver and D1h for the command driver (call INT 60/AH=00h"MDEBUG" for the multiplex numbers actually used) this function must end with a far call to the old INT 2F handler after changing the registers this function MUST be reentrant command drivers must also declare the following data at the given offsets in the code segment 100h 3 BYTEs JMP-command in .COM-files 103h BYTE NOP-command (90h) 104h 26 BYTEs signature "Kommandotreiber für MDEBUG" 11Eh 12 BYTEs name of driver, e.g. "MDHISDRV.COM" each driver must have a unique name MDEBUG will pass every key and command to the command driver(s) before checking for a valid internal command SeeAlso: AX=D000h,AX=D101h Format of MDEBUG identification table: Offset Size Description (Table 2748) -2 WORD entry offset 00h WORD CS of MDEBUG 02h DWORD old INT 08h vector 06h DWORD old INT 09h vector 0Ah DWORD address INT 16h routine used by MDEBUG 0Eh BYTE length of version string 0Fh N BYTEs version string --------G-2FD101----------------------------- INT 2F - MDEBUG command driver - INITIALIZE DRIVER AX = D101h CX = command driver counter Return: DL = status FFh if successful CX incremented else error: all registers unchanged Note: this function must end with a far call to the old INT 2F handler after changing the registers this function must be reentrant --------G-2FD102----------------------------- INT 2F - MDEBUG command driver - EXECUTE INTERPRETER COMMAND AX = D102h BL = first character of the interpreter command BH = last character of the interpreter command (or blank) DS:SI -> parameter for the interpreter command as ASCIZ string DS:DI -> MDEBUG data structure (see #2750) Return: AL = FFh CF set on error AH = error number (see #2749) DS:SI -> ASCIZ error message (max 30 characters) if AH=0Ch CF clear if successful AH = return code 00h continue processing the command line 01h leave MDEBUG popup session 02h leave MDEBUG popup session and automatically popup again if the InDOS flag is zero 03h not used (same as 00h) 04h not used (same as 00h) 05h put new command line into the input buffer, DS:SI -> new command line (ASCIZ string, max 66 chars) 06h process new command line DS:SI -> new command line (ASCIZ string, max 66 chars) else unknown status, but continue processing commmand line Note: this function must end with a far call to the old INT 2F handler (with registers unchanged) if the driver does not support the interpreter command in BX. Otherwise, the driver must not chain to the old INT 2F. (Table 2749) Values for MDEBUG error number: 01h syntax error 02h first shell of the command.com is activ 03h Esc pressed 04h break pressed 05h DOS is busy 06h command ended 07h division by zero 08h invalid display driver 09h invalid command driver 0Ah error 8 and 9 0Bh unknown error 0Ch new error else unknown error Format of MDEBUG data structure: Offset Size Description (Table 2750) 00h WORD register SE 02h WORD register OF 04h WORD register FS 06h WORD register FO 08h WORD register AX 0Ah WORD register BX 0Ch WORD register CX 0Eh WORD register DX 10h WORD register SI 12h WORD register DI 14h WORD register DS 16h WORD register ES 18h WORD register BP 1Ah WORD register SS 1Ch WORD register SP 1Eh WORD register FL (flags) 20h WORD register R0 22h WORD register R1 24h WORD register R2 26h WORD register R3 28h WORD register R4 2Ah WORD register R5 2Ch WORD register R6 2Eh WORD register R7 30h WORD register R8 32h WORD register CS, return-address 34h WORD register IP, return-address 36h DWORD saved pointer to data for key <F6> (v1.60) saved monitor address (v1.70) 3Ah 12 WORDs saved register values on last popup entry (for <F8> key) (original register values at popup entry of MDEBUG) AX, BX, CX, DX, SI, DI, DS, ES, BP, SS, SP, flags 52h 12 WORDs saved register values on last popup exit (for <SHIFT-F8> key) AX, BX, CX, DX, SI, DI, DS, ES, BP, SS, SP, flags 6Ah DWORD address of the DOS-invars-table 6Eh DWORD address of the InDOS flag 72h WORD offset of the register which is used for the segment of the first monitor window 74h WORD offset of the register which is used for the offset of the first monitor window 76h WORD name of the register which is used for the segment of the first monitor segment 78h WORD name of the register which is used for the offset of the first monitor window 7Ah WORD pseudo register 1 7Ch WORD pseudo register 2 --------G-2FD103----------------------------- INT 2F - MDEBUG command driver - EXECUTE KEY IN THE MONITOR AX = D103h BX = key code (like result of an interrupt 16h call) CX = cursor position 0000h in the ASCII column of the monitor 0001h in one of the hex fields of the monitor DS:SI -> MDEBUG data structure (see #2750) ES:DI -> actual byte in the monitor Return: AL = FFh AH = return code 00h key processed, read next key 01h leave MDEBUG popup session 02h leave MDEBUG popup session and automatically popup again if DOS is not busy 03h signal an error (beep) 04h driver has redefined the key, proceed with the new key BX = new key code MDEBUG will not pass the new key to the command driver(s) else treat like code 00h Note: this function must end with a far call to the old INT 2F handler (with registers unchanged) if the driver does not support the key in BX. Otherwise, the driver must not chain to the old INT 2F. SeeAlso: AX=D104h --------G-2FD104----------------------------- INT 2F - MDEBUG command driver - EXECUTE KEY IN THE INTERPRETER AX = D104h DS:SI -> MDEBUG data structure (see #2750) Return: AL = FFh AH = return code 00h key processed, read next key 01h leave MDEBUG popup session 02h leave MDEBUG popup session and automactically popup again if DOS is not busy 03h signal an error (beep) 04h driver has redefined the key, proceed with the new key BX = new key code MDEBUG won't pass the new key to the command driver(s) 05h put new command line into the input buffer DS:SI -> new command line (ASCIZ string, max 66 chars) 06h process new command line DS:SI -> new command line (ASCIZ string, max 66 chars) else treat like code 00h Note: this function must end with a far call to the old INT 2F handler if the driver does not support the key in BX. Otherwise, the driver must not chain to the old INT 2F. SeeAlso: AX=D103h --------G-2FD1------------------------------- INT 2F - MDEBUG command driver - RESERVED FUNCTIONS AH = D1h AL = 05h-0Ah Note: these functions are reserved for future use --------G-2FD110----------------------------- INT 2F - MDEBUG command driver - GET ADDRESS OF THE OLD INT 2F AX = D110h Return: DL = FFh ES:BX -> next program in the chain for INT 2F CX = code segment of this driver DI = offset of driver identification table (see #2751) (v1.60+) Notes: only called by the transient part of the driver must be reentrant and the driver must not chain this function to the old INT 2F Format of the MDEBUG driver identification table: Offset Size Description (Table 2751) 00h 26 BYTEs signature "Kommandotreiber für MDEBUG" ^- Note: ASCII 129,German U-umlaut 27h 12 BYTEs name of driver, e.g. "MDHISDRV.COM" each driver must have a unique name --------G-2FD111----------------------------- INT 2F - MDEBUG command driver - START DRIVER AX = D111h Return: DL = FFh Notes: only called by the transient part of the driver to inform the resident part that it is installed the function must be reentrant and the driver mustn't chain this function to the old INT 2F SeeAlso: AX=D101h,AX=D112h --------G-2FD112----------------------------- INT 2F - MDEBUG command driver - END DRIVER AX = D112h Return: DL = FFh Notes: only called by the transient part of the driver to inform the resident part that it will be released after this function the function must be reentrant and the driver mustn't chain this function to the old INT 2F SeeAlso: AX=D101h,AX=D111h --------G-2FD1------------------------------- INT 2F - MDEBUG command driver - RESERVED FUNCTIONS AH = D1h AL = 13h-7Fh Note: these functions are reserved for future use --------G-2FD1------------------------------- INT 2F - MDEBUG command driver - USER DEFINED FUNCTIONS AH = D1h AL = 80h-FFh Note: these functions are reserved for user defined features (e.g. communication between the transient und resident parts of the driver) --------U-2FD200----------------------------- INT 2F - PCL-838.EXE - INSTALLATION CHECK AX = D200h Return: AL = FFh if installed??? (documented as AX = return value) Program: PCL-838 is a resident utility for controlling a stepmotor adapter board by Advantec SeeAlso: AX=D201h"PCL-838",AX=D202h"PCL-838" --------Q-2FD200BX5144----------------------- INT 2F - Quarterdeck RPCI - INSTALLATION CHECK AX = D200h BX = 5144h ("QD") CX = 4D45h ("ME") DX = 4D30h ("M0") Return: AL = FFh installed if BX,CX,DX registers were as specified on entry: BX = 4D45h ("ME") CX = 4D44h ("MD") DX = 5652h ("VR") Range: AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h Notes: the Quarterdeck RPCI (Resident Program Communication Interface) is supported by QEMM v5.0+, QRAM, MANIFEST, VIDRAM, etc. for AL <> 0, if the BX/CX/DX values don't match the identifier of a Quarterdeck product, it just chains to the previous INT 2F handler SeeAlso: AX=D201h/BX=4849h,AX=D201h/BX=4D41h,AX=D201h/BX=4D45h SeeAlso: AX=D201h/BX=5145h,AX=D201h/BX=5649h --------U-2FD201----------------------------- INT 2F - PCL-838.EXE - UNINSTALL AX = D201h Return: AX = return value SeeAlso: AX=D200h"PCL-838",AX=D202h"PCL-838" --------m-2FD201BX4849----------------------- INT 2F - Quarterdeck RPCI - GET QD HIMEM PRESENCE AX = D201h BX = 4849h ("HI") CX = 4D45h ("ME") DX = 4D51h ("MQ") Return: BX = 4F4Bh ("OK") ES:DI -> HIMEM entry point Range: AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h SeeAlso: AX=D200h,AX=D201h/BX=5145h --------m-2FD201BX4849----------------------- INT 2F - Quarterdeck RPCI - QEMM/QRAM v5.0+ - GET HIRAM MEMORY CHAIN AX = D201h BX = 4849h ("HI") CX = 5241h ("RA") DX = 4D30h ("M0") Return: BX = 4F4Bh ("OK") CX = segment of start of HIRAM chain DX = reserved block owner (QEMM/QRAM code segment) Range: AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h Note: the HIRAM memory chain has the same format as the regular DOS 4.0 memory chain (see #1314 at INT 21/AH=52h), except that XMS Upper Memory Blocks have the block header program name field set to "UMB"; blocks whose "owner" field is set to the reserved segment returned in DX are locked-out regions such as video memory and ROMs. SeeAlso: AX=12FFh/BX=0006h,AX=D200h --------G-2FD201BX4D41----------------------- INT 2F U - Quarterdeck RPCI - MANIFEST v1.0+ - INSTALLATION CHECK AX = D201h BX = 4D41h ("MA") CX = 4E49h ("NI") DX = 4645h ("FE") Return: BX = 5354h ("ST") if installed Range: AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h SeeAlso: AX=D200h --------E-2FD201BX4D45----------------------- INT 2F U - Quarterdeck RPCI - DVDOS4GX.DVR - ??? AX = D201h BX = 4D45h ("ME") CX = 5155h ("QU") DX = 5044h ("PD") Return: AL = FFh BX = 4F4Bh ("OK") Range: AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h Note: this function is called by QEMM 6.03 performs a variety of actions before setting return registers SeeAlso: AX=D200h --------m-2FD201BX5145----------------------- INT 2F - Quarterdeck RPCI - QEMM v5.0+ - INSTALLATION CHECK AX = D201h BX = 5145h ("QE") CX = 4D4Dh ("MM") DX = 3432h ("42") Return: BX = 4F4Bh ("OK") ES:DI -> QEMM API entry point (see INT 67/AH=3Fh) Range: AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h Note: this call is not available under QEMM v6.00 unless Windows3 support has been disabled with the NW3 switch to QEMM386.SYS SeeAlso: AX=D200h,AX=D201h/BX=4849h,INT 67/AH=3Fh --------V-2FD201BX5649----------------------- INT 2F u - Quarterdeck RPCI - VIDRAM v5.0+ - INSTALLATION CHECK AX = D201h BX = 5649h ("VI") CX = 4452h ("DR") DX = 414Dh ("AM") Return: BX = 4F4Bh ("OK") ES:DI -> VIDRAM entry point (see #2752) Range: AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h SeeAlso: AX=D200h (Table 2752) Call VIDRAM entry point with: AH = 00h get status Return: AL = VIDRAM state (see #2753) BL = extra RAM status (see #2754) BH = feature flags (see #2755) CL = current monitor (01h = mono, 80h = color) SI = current top of memory (paragraph) DI = segment of start of HiRAM chain AH = 01h setup AL = VIDRAM state (see #2753) BL = extra RAM status (see #2754) BH = feature flags (see #2755) CL = monitor (01h = monochrome, 80h = color) SI = new top of memory (paragraph) DI = segment of start of HiRAM chain AH = 02h get end address of VIDRAM code Return: ES:DI -> VIDRAM partial map context (see #2756,#2757) Return: CF set on error CF clear if successful (Table 2753) Values for VIDRAM state: 00h off 01h no EGA graphics 02h no graphics at all (Table 2754) Values for VIDRAM extra RAM status: 00h VIDRAM does not use extra RAM 01h VIDRAM uses EMS as extra RAM 02h VIDRAM uses EGA as extra RAM Bitfields for VIDRAM feature flags: Bit(s) Description (Table 2755) 0 override enabled 1 mapped memory detected in A000h-B000h range 2 top of memory not at 640K 3 MDA detected 4 high RAM exists in video area 5 mapped memory detected in video area 6-7 reserved??? Format of VIDRAM partial map context (EMS 3.2): Offset Size Description (Table 2756) 00h BYTE EMS version ID (32h) 01h WORD EMM handle for this entry 03h BYTE number of frames 04h BYTE first page frame 05h WORD offset from ES to previously saved map Format of VIDRAM partial map context (EMS 4.0): Offset Size Description (Table 2757) 00h BYTE EMS version ID (40h) 01h WORD mappable segment count 03h N WORD mappable segments WORD offset to previously saved map??? --------U-2FD202----------------------------- INT 2F - PCL-838.EXE - EXECUTE PCL838 COMMANDS AX = D202h CX:BX -> parameter table Return: AX = return value SeeAlso: AX=D200h"PCL-838",AX=D201h"PCL-838" --------R-2FD300BX4562----------------------- INT 2F U - TeleReplica - INSTALLATION CHECK AX = D300h BX = 4562h CX = 2745h DX = serial port I/O base address??? (03F8h for v3.9) Return: SI = segment of resident code AX = 251Dh BX = DF21h CX = F321h DX = ??? --------R-2FD3CB----------------------------- INT 2F U - LapLink Quick Connect v6 - API AX = D3CBh CX = function 0002h get ??? Return: BX:AX -> ??? CL = ??? CH = ??? DX = ??? DI = COM1 I/O port??? SI = COM2 I/O port??? 0003h initialization??? 0004h ??? 0005h initialization??? 0006h reset/clear ??? Return: AX = 0000h ES:DI -> next byte after ??? cleared by this call 0007h initialization??? 0008h uninstall Return: BX = status 0000h successful FFFFh incomplete, stub remains in memory Return: CX = 534Bh (except function 0002h) Index: uninstall;LapLink Quick Connect --------K-2FD3D3BH00------------------------- INT 2F - KDRIVE v2.x - INSTALLATION CHECK AX = D3D3h BH = 00h Return: BX = 3D3Dh if installed CF clear if installed AX = driver ID??? (returns 0087h for KDRIVE.EXE and 0880h for KDRIVOS2.EXE in one examined version) Program: KDRIVE is a shareware extended German keyboard driver by Martin Austermeier, originally based on K3 by Martin Gerdes as published in c't magazine 7/1988 --------l-2FD44D----------------------------- INT 2F - 4DOS.COM v2.1+ - API AX = D44Dh BH = function 00h installation check Return: AX = 44DDh BL = major version number BH = minor version number CX = PSP segment address for current invocation DL = 4DOS shell number (0 for the first (root) shell, updated each time a new copy is loaded) 01h (internal, v2.1-3.03) terminate current copy of 4DOS Return: nothing (internal, v4.0+) ??? Return: AX = 44DDh ES:BX -> data area (see #2758) 02h ??? DX = ??? Note: v5.52 signals "unrecoverable error" and then terminates with INT 21/AH=4Ch or enters a deliberate infinite loop if ??? ---v2.1-3.03 only--- 03h EXEC program CX:DX -> EXEC record (see #2759) FEh deallocate shell number (passed through to root shell) ??? FFh allocate shell number (passed through to root shell) ---v5.52--- 03h get ??? BL = ??? (00h/01h) Return: DX = current value of ??? 04h set ??? BL = ??? (00h/01h) DX = new value for ??? Note: a bug in v3.00 will crash the system if unrecognized value in BH SeeAlso: AX=D44Eh,AX=D44Fh/BX=0000h,AX=E44Dh,INT 21/AX=4403h"DOS" SeeAlso: INT 14/AX=7000h Index: installation check;4DOS|installation check;NDOS Format of 4DOS v4.0 data area: Offset Size Description (Table 2758) 00h 2 BYTEs ??? 06h WORD XMS handle for swapping ??? SeeAlso: #2759 Format of 4DOS EXEC v2.1-v3.03 record: Offset Size Description (Table 2759) 00h WORD offset of ASCIZ program name in same segment as EXEC record 02h WORD offset of DOS commandline in same segment as EXEC record 04h WORD segment of environment for child process (see INT 21/AH=26h) SeeAlso: #2758 --------l-2FD44E----------------------------- INT 2F C - 4DOS v3.0+ - AWAITING USER INPUT AX = D44Eh ---4DOS v3.01+--- BX = condition 0000h 4DOS is ready to display prompt 0001h 4DOS has displayed the prompt, about to accept user input Return: the handler must preserve SI, DI, BP, SP, DS, ES, and SS Note: v3.00 only makes the call corresponding to BX=0001h, does not set BX SeeAlso: AX=D44Dh --------K-2FD44FBX0000----------------------- INT 2F - 4DOS v4.0+ - KSTACK.COM - INSTALLATION CHECK AX = D44Fh BX = 0000h Return: AX = 44DDh if installed Note: this function is also supported by ANSIPLUS v3.01+ and K3PLUS v6.20+, which emulate the 4DOS and NDOS keystack SeeAlso: AX=D44Dh,AX=D44Fh/BX=0001h,AX=E44Fh/BX=0000h --------K-2FD44FBX0001----------------------- INT 2F - 4DOS v4.0+ - KSTACK.COM - PLACE KEYSTROKES INTO KEYSTACK AX = D44Fh BX = 0001h CX = number of keystrokes (01h-FFh) DS:DX -> keystroke list (one word per keystroke) Return: AX = status 0000h successful nonzero failed BX,CX,DX destroyed Notes: the keystrokes are the exact values to return from subsequent calls to INT 16 with AH=00h,01h,10h, or 11h, with the following exceptions: 0000h causes subfunctions 01h and 11h to indicate an empty keyboard buffer FFFFh is followed by a word indicating the number of clock ticks to delay before the next faked keystroke v4.00 KSTACK overwrites any unread keystrokes from the previous invocation, and does not range-check CX; it will overwrite memory following the resident portion if CX is greater than 100h. this function is also supported by ANSIPLUS v3.01+ and K3PLUS v6.20+, which emulate the 4DOS and NDOS keystack SeeAlso: AX=D44Dh,AX=D44Fh/BX=0000h,INT 16/AH=00h,INT 21/AX=4403h"DOS" --------G-2FD600----------------------------- INT 2F - HEART.COM - INSTALLATION CHECK AX = D600h Return: AX = 0303h (two hearts) if installed ES:DI -> buffer (see #2760) Program: HEART.COM is a CPU lock-up/critical indicator utility by Mitch Davis. Notes: Once the host program has identified the address of the data area, it can change this to indicate safe/critical, alternate colours, etc. The entries for the color table are in char/attrib form. Every two entries form a pair which is alternated between 68 times a minute. The first half of the table is for color videos, the second mono. Within each half, the first half is for the safe chars, and the second for the critical chars. Format of HEART.COM buffer: Offset Size Description (Table 2760) 00h 8 WORDs table of colors/attributes (refer to notes above) 10h BYTE flags bit 0: program is in critical section, so flash double exclamation mark bit 1: program is in safe code, so flash the heart character 11h WORD position of heartbeat on screen, normally 009Eh (last column of second line) --------T-2FD600----------------------------- INT 2F U - VEDIT VSWAP - INSTALLATION CHECK AX = D600h Return: AL = D6h if installed Program: VSWAP is the resident portion of VEDIT's "swapper" capability; VEDIT is a programmer's text editor by Greenview Data. SeeAlso: AX=D601h,AX=D602h --------T-2FD601----------------------------- INT 2F U - VEDIT VSWAP - ??? AX = D601h BL = subfunction number??? Return: BL = return code ??? ES = resident portion's data??? segment DX = resident portion's code segment SeeAlso: AX=D600h"VSWAP" --------T-2FD602----------------------------- INT 2F U - VEDIT VSWAP - EXEC PROGRAM WITH SWAP AX = D602h other registers set as for INT 21/AX=4B00h Return: CF set on error AL = error code 82h = failure due to ??? CF clear on success SeeAlso: AX=D600h"VSWAP",INT 21/AH=4Bh"EXEC" --------N-2FD701BX0000----------------------- INT 2F - Banyan VINES v4+ - GET BANV INTERRUPT NUMBER AX = D701h BX = 0000h Return: AX = 0000h if installed BX = interrupt number (60h to 66h) nonzero not present Note: if AX is nonzero, VINES 3.x or earlier may be installed, thus it is necessary to examine the four bytes preceding the handlers for INT 60 through INT 66 for the string "BANV" SeeAlso: AX=D702h,AX=D703h,AX=D704h --------N-2FD702----------------------------- INT 2F U - Banyan VINES v4+ - PCPRINT interface AX = D702h BX = function ??? Return: ??? SeeAlso: AX=D701h,AX=D703h,INT 61/AX=0005h"Banyan" --------N-2FD703----------------------------- INT 2F U - Banyan VINES v4+ - MAIL interface AX = D703h BX = function ??? Return: ??? SeeAlso: AX=D702h,AX=D704h --------N-2FD704----------------------------- INT 2F U - Banyan VINES v4+ - Streettalk Directory Assistance interface AX = D704h BX = function ??? Return: ??? SeeAlso: AX=D703h,INT 61/AX=0007h/BX=0002h"Banyan",INT 61/AX=0007h/BX=0008h --------N-2FD800----------------------------- INT 2F U - Novell NetWare Lite - CLIENT.EXE - INSTALLATION CHECK AX = D800h Return: AL = FFh if installed DX = version number (0100h for v1.0, 0101h for v1.1) BX = data segment of resident copy ES:DI -> private API entry point (see #2761) SI = segment of resident code SeeAlso: AX=7A00h,AX=D880h (Table 2761) Call CLIENT API entry point with: BX = function 0000h get ??? Return: DX = CLIENT version??? (0101h for v1.1) ES:BX -> ??? data 0001h ??? 0002h ??? 0003h ??? 0004h ??? 0005h ??? DL = ??? ??? Return: ??? 0006h get module name??? ES:DI -> 16-byte buffer Return: CX = ??? ES:DI filled with "NWLITE_CLIENT" 00h 00h 00h 0007h ??? DX:CX = ??? ??? Return: ??? 0008h ??? 0009h ??? DL = ??? ES:DI -> 16-byte buffer for ??? Return: CF clear if successful AX = 0000h CX = 0000h SI,DI destroyed CF set on error AX = error code 4903h 000Ah ??? AH = subfunction 00h get ??? 01h clear/set ??? flag AL = new state (00h cleared, 01h set) 02h set ??? DX = new value of ??? Return: DX = old value of ??? 000Bh ??? AX = ??? ??? Return: ??? 000Ch ??? AX = ??? ??? Return: ??? 000Dh ??? AX = ??? ??? Return: ??? 000Eh get original INT 17 Return: CF clear ES:BX -> original INT 17 000Fh ??? 0010h ??? AX = ??? ??? Return: ??? 0011h get ??? Return: CF clear DL = ??? 0012h get ??? AL = index of ??? ES:DI -> 10-byte buffer for ??? Return: CF clear if successful ES:DI buffer filled AX,CX destroyed CF set on error AX = error code (4907h if AL out of range) 0013h get ??? Return: CF clear DH = ??? DL = ??? 0014h ??? DL = ??? ??? Return: CF clear if successful ??? CF set on error AX = error code 8056h 0015h ??? DX = ??? Return: ES:DI -> ??? other Return: CF set AX = 0001h (invalid function) --------N-2FD856----------------------------- INT 2F U - Novell NetWare Lite v1.1 - SERVER - GET ??? AX = D856h Return: AX = 0001h if supported??? BX = ??? (0004h for v1.1) CX = ??? (0F20h for v1.1) DS = segment of resident code ES = data segment of resident copy Note: this function is also supported by Personal NetWare SERVER, bundled with Novell DOS 7 --------N-2FD880----------------------------- INT 2F U - Novell NetWare Lite v1.0+ - SERVER - INSTALLATION CHECK AX = D880h Return: AL = FFh if installed DX = version number (binary, DH = major, DL = minor) BX = data segment of resident copy CL = current state (00h SERVER is disabled, 01h SERVER is active) ES:DI -> private API entry point (see #2762) SI = ??? (offset of configuration info?) AH may be destroyed Note: this function is also supported by Personal NetWare SERVER, but DI is not set; instead, ES:SI points at the API entry point SeeAlso: AX=7A00h,AX=D800h,INT 2A/AX=D852h (Table 2762) Call SERVER API entry point with: BX = function 0000h ??? ??? Return: ??? Note: closes open files by calling INT 21/AH=3Eh 0001h get connection information DX = connection number (0001h-max connections) ES:DI -> 28-byte buffer for connection information Return: CF clear if successful ES:DI buffer filled CF set on error AX = FFFFh ---Personal NetWare only--- 0002h ??? 0003h ??? 0004h ??? 0005h ??? 0006h ??? 0007h ??? other Return: CF set AX = 0001h (invalid function) --------d-2FD8C0----------------------------- INT 2F U - Novell NLCACHE,NWCACHE - INSTALLATION CHECK AX = D8C0h Return: AL = FFh if installed CL = cache variant (01h NLCACHEC, 02h NLCACHEX, 03h NLCACHEM) DH = major version??? (01h for v1.1) DL = minor version??? (01h for v1.1) ES:DI -> private API entry point (see #2763) Program: NLCACHE is a disk cache included with NetWare Lite SeeAlso: AX=D800h,AX=D880h (Table 2763) Call NLCACHE/NWCACHE API entry point with: BX = function 0000h ??? ??? Return: CF clear if successful AX = 0000h ??? CF set on error AX = error code 0001h (NWCACHE only) ??? ES:DI -> buffer for ??? Return: ??? other Return: CF set AX = 0001h (invalid function) --------F-2FDA00----------------------------- INT 2F - ZyXEL ZFAX v1.x - INSTALLATION CHECK AX = DA00h Return: AH = enabled state (00h = enabled, 01h = disabled) AL = 5Ah installed Program: ZFAX is the bundled FAX software which comes with the ZyXEL model fax modems. Note: This function, and the other DAxxh functions, may apply only to version 1 of the software; see AX=DB00h for the version 2 installation check SeeAlso: AX=CBDCh,AX=DA01h,AX=DA02h,AX=DA03h,AX=DB00h --------F-2FDA01----------------------------- INT 2F - ZyXEL ZFAX v1.x - UNINSTALL AX = DA01h Return: AL = 00h Success 01h Failure SeeAlso: AX=DA00h,AX=DB01h --------F-2FDA02----------------------------- INT 2F - ZyXEL ZFAX v.1x - DISABLE AX = DA02h Return: AL = 00h SeeAlso: AX=DA03h,AX=DB02h --------F-2FDA03----------------------------- INT 2F - ZyXEL ZFAX v1.x - ENABLE AX = DA03h Return: AL = 00h SeeAlso: AX=DA02h,AX=DB03h --------G-2FDA55----------------------------- INT 2F U - TRAP.COM - INSTALLATION CHECK AX = DA55h DL = interrupt number DH = ??? Return: if installed AH = interrupt number AL = ??? ES:BX -> ??? Program: TRAP is an interrupt call tracer by Patrick Phillipot/Udo Chrosziel Note: a separate copy of TRAP is loaded for each interrupt to be traced; thus the interrupt number is part of the installation check --------N-2FDAB2----------------------------- INT 2F U - Beame&Whiteside BWSNMP - INSTALLATION CHECK AX = DAB2h Return: AX = 00FFh if installed BX:CX -> MIB table Program: BWSNMP is part of the BW-NFS package SeeAlso: INT 62/AH=00h"ETHDEV" --------F-2FDB00----------------------------- INT 2F - ZyXEL ZFAX v2+ - INSTALLATION CHECK AX = DB00h Return: AL = 5Bh if installed (v2.x) ES:BX -> configuration table??? AX = 00DBh if installed (v3) ES:BX -> ZFAX configuration table (see #2764) Program: ZFAX is the bundled FAX software which comes with the ZyXEL model Fax modems. SeeAlso: AX=CBDCh,AX=DA00h,AX=DB01h,AX=DB02h,AX=DB03h Format of ZFAX Configuration Table: Offset Size Description (Table 2764) 00h WORD table version number (0300h for v3.0-v4.01) 02h BYTE reserved 03h 70 BYTEs ZFAX working path 49h 128 BYTEs path to external editor C9h 128 BYTEs path to external terminal emulator 149h 128 BYTEs path to Ring Shell 1C9h 128 BYTEs path to DOS Shell 249h 128 BYTEs path to Data Shell 2C9h 70 BYTEs path to Chinese font 30Fh BYTE printer type (see #2765) 310h BYTE printer port (00h = LPT1, etc.) 311h BYTE type of graphics adapter (00h auto-detect, 01h VGA, 02h EGA, 03h CGA, 04h Hercules) 312h BYTE display type (00h auto-detect, 01h LCD, 02h color, 03h mono) 313h BYTE scan code for ZFAX hotkey (see #0005) 314h BYTE shift mask for ZFAX hotkey 315h BYTE tone/pulse dialing (00h tone, 01h pulse) 316h BYTE Caller ID (00h disabled, 01h enabled) 317h BYTE Distinctive Ring (00h disabled, 01h enabled) 318h BYTE normal ring answer type (see #2766) 319h BYTE Ring 1 answer type (see #2766) 31Ah BYTE Ring 2 answer type (see #2766) 31Bh BYTE Ring 3 answer type (see #2766) 31Ch BYTE COM port for modem 31Dh BYTE speaker volume (00h-07h) 31Eh BYTE modem dial timer, seconds 31Fh WORD user-defined COM port I/O address 321h BYTE user-defined COM port IRQ number 322h 81 BYTEs dial prefix string 373h 79 BYTEs dial postfix string 3C2h BYTE ring count until automatic answer 3C3h BYTE retry count on busy signal 3C4h BYTE redial delay in seconds 3C5h WORD system password 3C7h BYTE reserved 3C8h BYTE voice file compression format 00h CELP at 9600bps 01h two-bit ADPCM at 19200bps 02h three-bit ADPCM at 28800bps 3C9h BYTE voice system: DTMF 0 action (see #2767) 3CAh BYTE voice system: DTMF 1 action 3CBh BYTE voice system: DTMF 2 action 3CCh BYTE voice system: DTMF 3 action 3CDh BYTE voice system: DTMF 4 action 3CEh BYTE voice system: DTMF 5 action 3CFh BYTE voice system: DTMF 6 action 3D0h BYTE voice system: DTMF 7 action 3D1h BYTE voice system: DTMF 8 action 3D2h BYTE voice system: DTMF 9 action (see #2767) 3D3h WORD reserved 3D5h 25 BYTEs local FAX ID to display on page header 3EEh 20 BYTEs local FAX ID sent to remote FAX 402h BYTE FAX page size 00h A4 (210x297mm) 01h B4 (250x353mm) 02h A3 (297x420mm) 403h BYTE FAX resolution 00h normal (3.85 pixels/mm) 01h high (7.7 pixels/mm) 404h BYTE FAX coding scheme 00h 1-D, modified Huffman coding 01h 2-D, modified READ coding 405h BYTE left margin for text in millimeters 406h BYTE vertical insertion for text in mm (0-20) 407h BYTE horizontal insertion in mm (0-20) 408h BYTE maximum text lines per page 409h BYTE text type (00h ASCII, 01h WordStar-formatted) 40Ah BYTE PCX image resize (00h disabled, 01h enabled) 40Bh BYTE AutoPrint (00h disabled, 01h enabled) 40Ch BYTE cover page (00h disabled, 01h enabled) 40Dh 81 BYTEs cover page logo filename 45Eh 65 BYTEs cover page sender name 49Fh BYTE print capture (00h disabled, 01h enabled) 4A0h BYTE send immediately (00h disabled, 01h enabled) 4A1h BYTE print capture printer port 4A2h BYTE print capture timer in seconds 4A3h BYTE scan code for print capture hotkey (see #0005) 4A4h BYTE shift mask for print capture hotkey 4A5h BYTE DataShell type 00h internal Zmodem, 01h Data Shell, 02h disable 4A6h BYTE video I/O type 00h auto-detect, 01h use BIOS, 02h direct writes 4A7h BYTE call transfer digits (0-9) 4A8h WORD voice recorder maximum time in seconds (0-999) (Table 2765) Values for ZFAX printer type: 00h EPSON FX (9 pins) 01h EPSON LQ (24 pins) 02h HP Laser Jet II, letter size 03h HP Laser Jet II, legal size 04h HP Laser Jet II, A4 size 05h HP Laser Jet III, letter size 06h HP Laser Jet III, legal size 07h HP Laser Jet III, A4 size SeeAlso: #2764 (Table 2766) Values for Ring Answer Type: 00h voice system 01h FAX only 02h Data Shell 03h Ring Shell 04h DOS Shell 05h ignore SeeAlso: #2764 (Table 2767) Values for DTMF action: 00h none 01h page operator 02h FaxBack 03h announcement 04h call transfer 05h receive FAX 06h receive data 07h voice mailbox 08h DOS Shell Out 09h Data Shell Out SeeAlso: #2764 --------U-2FDB00----------------------------- INT 2F U - WINGO.COM - INSTALLATION CHECK AX = DB00h Return: AX = FFFFh if installed CX = 5749h ('WI') if installed DX = 4E47h ('NG') if installed ES = segment of resident code Program: WINGO.COM is TSR for starting Windows programs from DOS prompt (together with companion Windows program WINSTART.EXE) written by Douglas Boling, contributing editor of PC Magazine Range: AH=DBh to AH=FFh, selected by scanning for a free multiplex number SeeAlso: AX=DB01h"WINGO",AX=DB02h"WINGO",AX=DB03h"WINGO",AX=DB04h"WINGO" SeeAlso: AX=DB05h"WINGO",AX=DB06h"WINGO" --------F-2FDB01----------------------------- INT 2F - ZyXEL ZFAX v2+ - UNINSTALL AX = DB01h Return: AX = status 0000h successful 0001h ZFAX is busy 0002h another program resident above ZFAX Note: this function unhooks the vectors taken by the ZFAX TSR if they have not been hooked by other TSRs and releases the TSR's memory ZFAX v2.x crashes the contributor's machine when this function is called SeeAlso: AX=DA01h,AX=DB00h"ZFAX",AX=DB02h"ZFAX" --------U-2FDB01----------------------------- INT 2F U - WINGO.COM - SET CALLBACK FUNCTION POINTER AX = DB01h CX:DX -> new callback function Return: AX = 0000h CX:DX -> end of resident code (stack ???) Desc: the callback function is used for WINGO <-> WINSTART communication SeeAlso: AX=DB00h"WINGO",AX=DB02h"WINGO",AX=DB03h"WINGO",AX=DB04h"WINGO" SeeAlso: AX=DB05h"WINGO",AX=DB06h"WINGO" --------F-2FDB02----------------------------- INT 2F - ZyXEL ZFAX v2.x - DISABLE AX = DB02h Return: AL = 00h SeeAlso: AX=DA02h,AX=DB00h"ZFAX",AX=DB01h"ZFAX",AX=DB03h"ZFAX" --------U-2FDB02----------------------------- INT 2F U - WINGO.COM - RESET CALLBACK FUNCTION POINTER AX = DB02h Return: AX = 0000h Desc: the callback function is used for WINGO <-> WINSTART communication SeeAlso: AX=DB00h"WINGO",AX=DB01h"WINGO",AX=DB03h"WINGO",AX=DB04h"WINGO" SeeAlso: AX=DB05h"WINGO",AX=DB06h"WINGO" --------F-2FDB03----------------------------- INT 2F - ZyXEL ZFAX v2.x - ENABLE AX = DB03h Return: AL = 00h SeeAlso: AX=DA03h,AX=DB00h"ZFAX",AX=DB02h"ZFAX" --------U-2FDB03----------------------------- INT 2F U - WINGO.COM - SET ??? FLAG AX = DB03h Return: AX = 0000h SeeAlso: AX=DB00h"WINGO",AX=DB04h"WINGO",AX=DB05h"WINGO",AX=DB06h"WINGO" --------U-2FDB04----------------------------- INT 2F U - WINGO.COM - RESET ??? FLAG AX = DB04h Return: AX = 0000h SeeAlso: AX=DB00h"WINGO",AX=DB03h"WINGO",AX=DB05h"WINGO",AX=DB06h"WINGO" --------U-2FDB05----------------------------- INT 2F U - WINGO.COM - GET ??? FLAG AX = DB05h Return: AX = 0000h DX = unknown flag - 0 or 1 Program: WINGO.COM is TSR for starting Windows programs from DOS prompt (together with companion Windows program WINSTART.EXE) written by Douglas Boling, contributing editor of PC Magazine SeeAlso: AX=DB00h"WINGO",AX=DB03h"WINGO",AX=DB04h"WINGO" --------U-2FDB06----------------------------- INT 2F U - WINGO.COM - CALL CALLBACK FUNCTION AX = DB06h Return: AX = return value of INT 2F/AX=1685h Note: uses Windows service INT 2F/AX=1685h (SWITCH VMs AND CALLBACK) to call the callback function previously set by AX=DB01h used for WINGO <-> WINSTART communication SeeAlso: AX=1685h, AX=DB00h"WINGO",AX=DB01h"WINGO",AX=DB02h"WINGO", SeeAlso: AX=DB03h"WINGO",AX=DB04h"WINGO",AX=DB05h"WINGO" --------F-2FDB10----------------------------- INT 2F - ZyXEL ZFAX v3+ - EXECUTE ZFAX MAIN MENU AX = DB10h SeeAlso: AX=DB00h"ZFAX",AX=DB11h"ZFAX" --------F-2FDB11----------------------------- INT 2F - ZyXEL ZFAX v3+ - SEND FAX AX = DB11h DS:SI -> filename including path (max 128 characters) DS:BX -> remote FAX number Return: AX = status (see #2768) SeeAlso: AX=DB00h"ZFAX",AX=DB12h,AX=DB13h,AX=DB14h,AX=DB15h,AX=DB20h,AX=DB21h (Table 2768) Values for ZFAX status: 00h OK 01h invalid DOS function 02h file not found 03h path not found 04h no file handle available 05h access denied by DOS 06h invalid handle 07h disk full 10h printer error 11h no graphics font 12h no ZFAX font 20h DCD dropped while sending 21h not ZyXEL modem 22h busy 23h no response from COM port 24h no carrier 25h no dial tone 26h no answer 27h no response 28h failed to send FAX 30h user aborted 40h critical error on disk 50h parameter error --------F-2FDB12----------------------------- INT 2F - ZyXEL ZFAX v3+ - PRINT FAX AX = DB12h DS:SI -> filename, including path (max 128 characters) Return: AX = status (see #2768) SeeAlso: AX=DB11h,AX=DB13h,AX=DB14h --------F-2FDB13----------------------------- INT 2F - ZyXEL ZFAX v3+ - CONVERT FAX AX = DB13h DS:SI -> source filename, including path (max 128 characters) DS:BX -> destination filename, including path (max 80 characters) CX = destination file format 00h FAX, 01h PCX, 02h TIFF, 03h PRN Return: AX = status (see #2768) SeeAlso: AX=DB11h,AX=DB12h,AX=DB14h,AX=DB22h --------F-2FDB14----------------------------- INT 2F - ZyXEL ZFAX v3+ - VIEW FAX AX = DB14h DS:SI -> source filename, including path (max 128 characters) Return: AX = status (see #2768) SeeAlso: AX=DB11h,AX=DB12h,AX=DB14h --------F-2FDB15----------------------------- INT 2F - ZyXEL ZFAX v4.01 - SEND FAX WITH LOGO AND SIGNATURE AX = DB15h DS:SI -> source filename, including path (max 128 characters) DS:BX -> remote FAX number DS:CX -> Logo filename DS:DX -> Signature filename Return: AX = status (see #2768) SeeAlso: AX=DB00h"ZFAX",AX=DB11h --------F-2FDB16----------------------------- INT 2F - ZyXEL ZFAX v4.01 - QUOTE PREVIOUS STATUS AX = DB16h Return: DX:AX -> previous receive state transaction log (see #2769) BX = type (00h incoming FAX, 01h incoming data, 02h incoming voice) SeeAlso: AX=DB00h"ZFAX",AX=DB11h,AX=DB17h Format of ZFAX transaction log receive state: Offset Size Description (Table 2769) 00h WORD year 02h WORD date 04h WORD time 06h WORD extension number 08h WORD type: 00h incoming FAX, 01h outgoing FAX, 02h voice message 0Ah WORD status: 00h normal, 01h remote delete 0Ch 125 BYTEs filename 89h 24 BYTEs caller ID A1h 20 BYTEs FAX number B5h 20 BYTEs remote FAX ID C9h WORD error code CBh WORD connection direction (00h transmit, 01h receive) CDh BYTE connection time minutes CEh BYTE connection time seconds CFh BYTE ??? D0h WORD connection speed (24, 48, 72, 96, 12, 144) D2h WORD connection page size (A4, B4, A3) D4h WORD connection coding scheme (1-DN, 1-DH, 2-DN, 2-DH) D6h WORD page count --------F-2FDB17----------------------------- INT 2F - ZyXEL ZFAX v4.01 - BEGIN RECEIVING INCOMING CALL AX = DB17h Return: AX = status (0000h successful, 0001h unable to start at this time) SeeAlso: AX=DB00h"ZFAX" --------F-2FDB18----------------------------- INT 2F - ZyXEL ZFAX v4.01 - SCHEDULE CALL AX = DB18h DS:SI -> schedule data (see #2769) Return: AX = status (see #2768) SeeAlso: AX=DB00h"ZFAX" --------F-2FDB20----------------------------- INT 2F - ZyXEL ZFAX v3+ - POLL FAX AX = DB20h DS:SI -> remote FAX number Return: AX = status (see #2768) SeeAlso: AX=DB11h,AX=DB21h --------F-2FDB21----------------------------- INT 2F - ZyXEL ZFAX v3+ - SEND VOICE AX = DB21h DS:SI -> filename including path (max 128 characters) DS:BX -> remote phone number Return: AX = status (see #2768) SeeAlso: AX=DB11h,AX=DB20h,AX=DB22h,AX=DB23h,AX=DB24h --------F-2FDB22----------------------------- INT 2F - ZyXEL ZFAX v3+ - CONVERT VOICE FILE AX = DB22h DS:SI -> source filename, including path (max 128 characters) DS:BX -> destination filename, including path (max 80 characters) CX = destination format 00h two-bit ADPCM, 01h three-bit ADPCM, 02h VOC Return: AX = status (see #2768) SeeAlso: AX=DB13h,AX=DB20h,AX=DB21h,AX=DB23h --------F-2FDB23----------------------------- INT 2F - ZyXEL ZFAX v3+ - RECORD VOICE FILE AX = DB23h DS:SI -> destination filename, including path (max 128 characters) CX = recording channel (0 = telephone line, 1 = microphone/speaker) DX = voice file format 00h CELP, 01h two-bit ADPCM, 02h three-bit ADPCM Return: AX = status (see #2768) SeeAlso: AX=DB21h,AX=DB22h,AX=DB24h --------F-2FDB24----------------------------- INT 2F - ZyXEL ZFAX v3+ - PLAY VOICE FILE AX = DB24h DS:SI -> name of voice file, including path (max 128 characters) CX = playback channel (0 = telephone line, 1 = microphone/speaker) Return: AX = status (see #2768) SeeAlso: AX=DB21h,AX=DB22h,AX=DB24h --------F-2FDB25----------------------------- INT 2F - ZyXEL ZFAX v3+ - ANSWER MODEM WITH VOICE SYSTEM AX = DB25h Return: AX = status (see #2768) SeeAlso: AX=DB21h,AX=DB22h,AX=DB26h,AX=DB27h,AX=DB28h --------F-2FDB26----------------------------- INT 2F - ZyXEL ZFAX v3+ - DIAL PHONE AX = DB26h DS:SI -> remote phone number Return: AX = status (see #2768) SeeAlso: AX=DB25h --------F-2FDB27----------------------------- INT 2F - ZyXEL ZFAX v3+ - RECEIVE FAX - ANSWER MODEM AND SET TO FAX MODE AX = DB27h Return: AX = status (see #2768) SeeAlso: AX=DB25h,AX=DB28h --------F-2FDB28----------------------------- INT 2F - ZyXEL ZFAX v3+ - RECEIVE FAX DATA - ANSWER MODEM IN MULTI-AUDIO MODE AX = DB28h Return: AX = status (see #2768) SeeAlso: AX=DB25h,AX=DB27h,AX=DB41h --------F-2FDB40----------------------------- INT 2F - ZyXEL ZFAX v3+ - INTERNAL TERMINAL AX = DB40h Return: AX = status (see #2768) SeeAlso: AX=DB00h --------F-2FDB41----------------------------- INT 2F - ZyXEL ZFAX v3+ - SEND DATA - DIAL NUMBER AND UPLOAD FILE WITH ZMODEM AX = DB41h DS:SI -> source file name, including path (max 128 characters) DS:BX -> remote data number Return: AX = status (see #2768) SeeAlso: AX=DB00h,AX=DB28h --------K-2FDC00----------------------------- INT 2F - GOLD.COM - INSTALLATION CHECK AX = DC00h Return: AL = state 00h not installed FFh installed Program: GOLD is a TSR by Bob Eager which makes the NumLock key return the code for F1; the purpose is to improve Kermit's VTxxx emulation --------K-2FDC01----------------------------- INT 2F - GOLD.COM - GET STATE AX = DC01h Return: AL = status 00h off 01h on SeeAlso: AX=DC00h,AX=DC02h --------K-2FDC02----------------------------- INT 2F - GOLD.COM - SET STATE AX = DC02h DL = new state 00h off 01h on Return: AL = 00h (OK) SeeAlso: AX=DC01h --------t-2FDD------------------------------- INT 2F - CappaCom programs - API AH = DDh AL = 00h general installation check Return: AL = FFh if any CappaCom programs are resident AL = FEh get info Return: ES:BX -> TSR info list (see #2770) AL = program identifier BH = function FDh get version Return: BX = version FFh installation check Return: AL = FFh if installed BX = version ES = segment of resident code others vary by program Return: AL = status bit 7 set on error AL = 81h unknown function Note: CappaCom was originally SoftCom but changed its name due to a trademark conflict Index: installation check;SoftCom programs Index: installation check;CappaCom programs Format of CappaCom TSR info list: Offset Size Description (Table 2770) 00h 9 BYTEs blank-padded ASCIZ program name 09h BYTE program ID 0Ah WORD program's PSP segment 0Ch WORD program version (major in high byte) 0Eh DWORD pointer to next item in info list or 0000h:0000h 12h BYTE number of interrupts hooked 13h 5 BYTEs interrupt numbers hooked by program 18h 8 BYTEs reserved ----------2FDD------------------------------- INT 2F - MIXFIX.EXE - API AH = DDh AL = function 00h installation check Return: AX = 00DDh if installed BX = version (BH = major, BL = minor) 41h/61h get From: address Return: AX = 0001h ES:BX -> ASCIZ 4d address of mail sender ("1:2/3.4") 49h/69h get To: address Return: AX = 0001h ES:BX -> ASCIZ 4d address of recipient ("1:2/3.4") 4Ah/6Ah get subject of mail Return: AX = 0001h ES:BX -> ASCIZ subject of handled mail 4Dh/6Dh get mail name Return: AX = 0001h ES:BX -> ASCIZ full name of current mail file 4Eh/6Eh get From: field Return: AX = 0001h ES:BX -> ASCIZ From: field of mail (mail sender's name) Program: MIXFIX by "KIV without Co" is a FidoNet mail robot which may execute other programs for mail handling. The called programs may use the services described here to retrieve information about the mail being handled. Index: installation check;MIXFIX.EXE --------d-2FDD--BX7844----------------------- INT 2F - xDISK v3.32+ - INSTALLATION CHECK AH = DDh BX = 7844h ('xD') CX = 4953h ('IS') DX = 4B3Fh ('K?') AL = desired drive (01h-1Ah) or 00h to check for xDISK on any drive ES:DI -> 25-byte data buffer (see #2771) Return: AX = DDFFh if installed (on specified drive if AL nonzero on entry) BX = 87BBh DX = B4C0h ES:DI buffer filled CX,CF destroyed SeeAlso: INT 21/AX=4404h"xDISK",INT 21/AX=4405h"xDISK" Format of xDISK data buffer: Offset Size Description (Table 2771) 00h DWORD pointer to ASCIZ driver signature "xDISK unit: X" 04h BYTE flag: 01h if disk linked to DOS, 00h if unlinked 05h BYTE flag: 01h if write protected, 00h if not 06h BYTE flag: 01h if root directory full, 00h if not 07h BYTE flag: 01h if free space uncompacted, 00h if compacted 08h BYTE resizing state: 00h not resizable, 01h resized, 80h resizable 09h BYTE flag: 01h inelastic resizable disk, 00h elastic 0Ah 2 BYTEs reserved 0Ch BYTE flag: 01h collapsed disk, 00h not collapsed 0Dh BYTE flag: 01h using all EMS, 00h some EMS free 0Eh BYTE flag: 01h password enabled, 00h disabled 0Fh BYTE flag: 01h password audio feedback, 00h no feedback 10h BYTE flag: 01h password video feedback, 00h no feedback 11h BYTE flag: 01h confirm changes, 00h no confirmation 12h BYTE flag: 01h terse display, 00h verbose display 13h BYTE flag: 01h click speaker on disk access, 00h no click 14h BYTE flag: 01h flash icon on disk access, 00h no icon flash 15h BYTE FAT entry size: 00h 12-bit, FFh 16-bit 16h WORD count of open files in RAM disk 18h BYTE unused --------N-2FDE00BL00------------------------- INT 2F U - Novell Netware - RPRINTER, NPRINTER - INSTALLATION CHECK AX = DE00h BL = 00h Return: AL = FFh If Rprinter/Nprinter Installed BX -> Program Segment Prefix N/Rprinter.exe --------Q-2FDE00BX4456----------------------- INT 2F - DESQview v2.26+ External Device Interface - INSTALLATION CHECK AX = DE00h BX = 4456h ("DV") CX = 5844h ("XD") DX = 4931h ("I1") Return: AL = FFh if installed (even if other registers do not match) if BX,CX, and DX were as specified on entry, BX = 4845h ("HE") CX = 5245h ("RE") DX = 4456h ("DV") Range: AH=C0h to AH=FFh, selected by scanning AH=DEh-FFh, then AH=C0h-DDh Note: the XDI handler should not issue any DOS or BIOS calls, nor should it issue DESQview API calls other than those allowed from hardware ints SeeAlso: AX=DE02h,INT 15/AX=5400h --------Q-2FDE01----------------------------- INT 2F - DESQview v2.26+ External Device Interface - DRIVER CUSTOM SUBFUNCTION AX = DE01h BX = driver ID other registers as needed by driver Notes: XDI drivers should pass this call through to previous handler if ID does not match DESQview never calls this function --------Q-2FDE01BX4450----------------------- INT 2F U - Quarterdeck QDPMI.SYS v1.0 - INSTALLATION CHECK AX = DE01h BX = 4450h ("DP") CX = 4D49h ("MI") DX = 3039h ("09") Return: AL = FFh if installed BX = 4D42h ("MB") CX = 4921h ("I!") DX = 8F4Fh ES:DI -> filename of DPMI host overlay InstallCheck: test for the existence of the character device QDPMI$$$ SeeAlso: INT 2F/AX=1687h,INT 31/AX=0000h Index: installation check;QDPMI --------U-2FDE01BX5242----------------------- INT 2F - DESQview v2.26+ XDI - CUSTOM SUBFUNCTION, Ralf Brown's XDI drivers AX = DE01h BX = 5242h ("RB") CX:DX = program identifier 656F7000h ("eop",0) for DVeop Return: AX = 5242h ("RB") if installed ES:BX -> data or entry point (see #2772) CX = version number (CH = major, CL = minor) (Table 2772) Call DVeop entry point with: ES:DI -> callback address or 0000h:0000h to remove callback Return: AX = status 0000h failed (callback table full or attempted to remove non- existent callback) 0001h successful ES:DI -> chaining address BX,CX,DX destroyed Notes: the callback function is called with a simulated interrupt when the DESQview window containing it is closed; it should perform all necessary cleanup and then perform a FAR jump to the chaining address or an IRET if the chaining address is 0000h:0000h if the program wishes to remove itself before the window is closed, it should call the DVeop entry point with the previously returned chaining address and ignore the returned chaining address. --------U-2FDE01BX7474----------------------- INT 2F - DESQview v2.26+ XDI - CUSTOM SUBFUNCTION, DVTXDI.COM AX = DE01h BX = 7474h CL = function 00h installation check Return: AL = FFh 01h get process handle DX = keys on Open Window menu (DL = first, DH = second) Return: AX = process handle or 0000h if not running 02h (v1.3+) set TMAN handle DX = TMAN process handle 03h (v1.3+) set open keys to ignore on next CL=01h call DX = keys on Open Window menu (DL = first, DH = second) Return: BX = 4F4Bh ("OK") DL destroyed Note: DVTXDI is distributed as part of the shareware products DVTree (DOS shell/DESQview process manager) and DVTMAN by Mike Weaver Index: installation check;DVTXDI --------U-2FDE01BX7575----------------------- INT 2F - DESQview v2.26+ XDI - CUSTOM SUBFUNCTION, DVSIXDI.COM AX = DE01h BX = 7575h CX = function 0000h installation check Return: AX = 00FFh if installed 0001h turn on notification (currently unused) Return: AX = 0001h 0002h turn off notification (currently unused) Return: AX = 0001h 0003h get process information Return: AX = status 0000h failed 0001h successful BX = last instantaneous time slice in 1/100s (v1.10) in 1/18s (v1.11+) CX = number of processes DX = number of "(starting)" records (v2.00+) SI = number of records in process info array (v2.00+) (always 15 for v1.x) ES:DI -> process info array (see #2773,#2774) 0004h get version Return: AH = major version AL = minor version 0005h (v1.10+) get time since DESQview started Return: DX:AX = 1/100s since DV start (v1.10) DX:AX = 1/18s since DV start (v1.11+) 0006h (v1.10+) get number of task switches Return: DX:AX = total task switches CX = task switches in last instantaneous interval Notes: DVSIXDI is part of the DVSI (DESQview System Information) package by Daniel J. Bodoh for v1.00, function 0003h allocates common memory, which the caller must deallocate after reading the process information; only the currently used records are placed in the buffer for v1.10+, function 0003h merely returns a pointer to the internal array of process information; the caller should make a copy of the array while inside a critical section (see INT 15/AX=101Bh). Only those records with bit 7 of the first byte set are valid. Index: installation check;DVSIXDI Format of DVSIXDI v1.00 information for one process: Offset Size Description (Table 2773) 00h BYTE flags bit 7: process slot is valid 01h WORD offset into DESQVIEW.DVO of program's record if started from Open Windows menu, else undefined 03h WORD Switch Windows window number 05h WORD segment of process handle 07h WORD number of tasks owned by process 09h WORD mapping context of process (see #0342 at INT 15/AX=1016h) 0Bh DWORD hook for other programs Format of DVSIXDI v1.10-v2.00 information for one process: Offset Size Description (Table 2774) 00h BYTE process flags (see #2775) 01h WORD Open Window keys 03h WORD Switch Windows number 05h WORD segment of process handle 07h WORD number of tasks for process 09h WORD process mapping context 0Bh DWORD time process started (relative to start of DESQview) 0Fh DWORD time process last got CPU (relative to start of DESQview) 13h DWORD time process last gave up CPU (relative to start of DESQview) 17h DWORD total CPU time since process started 1Bh DWORD CPU time at start of current instantaneous interval 1Fh DWORD CPU time in current instantaneous interval 23h DWORD hook for other programs Note: all times are in 1/100s for v1.10, in 1/18s for v1.11+ Bitfields for DVSIXDI process flags: Bit(s) Description (Table 2775) 7 valid record 6 (v2.00+) record is allocated; if bit 7 clear, process is "(starting)" and only offsets 01h and 09h are valid 5 (v2.00+) this app currently owns the CPU 4 reserved (0) 3 DESQview system task 2 reserved (0) 1 task has keyboard (currently unused) 0 task swapped out (currently unused) --------Q-2FDE01BXFFFE----------------------- INT 2F U - DESQview v2.26+ XDI - DVXMS.DVR - ??? AX = DE01h BX = FFFEh CX = 4D47h ("MG") DX = 0052h (0,"R") Return: AL = FFh DX = 584Dh --------Q-2FDE02----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - DV INITIALIZATION COMPLETE AX = DE02h BX = mapping context of DESQview DX = handle of DESQview system task Note: driver should pass this call to previous handler after doing its work SeeAlso: AX=DE03h,AX=DE0Fh,INT 15/AX=5400h --------Q-2FDE03----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - DV TERMINATION AX = DE03h BX = mapping context of DESQview DX = handle of DESQview system task Notes: driver should pass this call to previous handler before doing its work DESQview makes this call when it is exiting, but before unhooking any interrupt vectors SeeAlso: AX=DE02h,AX=DE0Fh,INT 15/AX=5407h --------Q-2FDE04----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - ADD PROCESS AX = DE04h BX = mapping context of new process (see #0342 at INT 15/AX=1016h) DX = handle of process Return: nothing Notes: XMS XDI handler (installed by default) allocates a 22-byte record (see #2776) from "common" memory to control access to XMS memory all DOS, BIOS, and DV API calls are valid in handler driver should pass this call to previous handler after processing it SeeAlso: AX=DE05h,AX=DE06h,INT 15/AX=5401h Format of XMS XDI structure: Offset Size Description (Table 2776) 00h DWORD pointer to 10-byte record??? 04h DWORD pointer to next XMS XDI structure 08h WORD mapping context 0Ah BYTE ??? 0Bh 5 BYTEs XMS entry point to return for INT 2F/AX=4310h"XMS" (FAR jump to next field) 10h 6 BYTEs FAR handler for XMS driver entry point (consists of a FAR CALL followed by RETF) --------Q-2FDE05----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - REMOVE PROCESS AX = DE05h BX = mapping context of process (see #0342 at INT 15/AX=1016h) DX = handle of last task in process Return: nothing Notes: XMS XDI handler releases the structure allocated by AX=DE04h driver should pass this call to previous handler before processing it all DOS, BIOS, and DV API calls except those generating a task switch are valid in handler SeeAlso: AX=DE04h,AX=DE07h,INT 15/AX=5402h --------Q-2FDE06----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - CREATE TASK AX = DE06h BX = mapping context of process containing task DX = handle of new task Notes: driver should pass this call to previous handler after processing it all DOS, BIOS, and DV API calls are valid in handler --------Q-2FDE07----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - TERMINATE TASK AX = DE07h BX = mapping context of process containing task DX = handle of task Notes: driver should pass this call to previous handler before processing it all DOS, BIOS, and DV API calls except those generating a task switch are valid in handler SeeAlso: AX=DE04h,AX=DE06h,AX=DE10h --------Q-2FDE08----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - SAVE STATE AX = DE08h BX = mapping context of task being switched from (see #0342 at INT 15/AX=1016h) DX = handle of task being switched from Notes: invoked prior to task swap, interrupts, etc driver should pass this call to previous handler after processing it SeeAlso: AX=DE09h,INT 15/AX=5403h,INT 15/AX=DE27h --------Q-2FDE09----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - RESTORE STATE AX = DE09h BX = mapping context of task being switched to (see #0342 at INT 15/AX=1016h) DX = handle of task being switched to Notes: state is restored except for interrupts driver should pass this call to previous handler before processing it SeeAlso: AX=DE08h,INT 15/AX=5404h,INT 15/AX=DE27h --------Q-2FDE0A----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - CHANGE KEYBOARD FOCUS AX = DE0Ah BX = mapping context of task receiving focus DX = handle of running task Notes: driver should pass this call to previous handler before processing it this call often occurs inside a keyboard interrupt DV 2.42 does not provide this call to XDI handlers running inside a window; instead, it directly calls the INT 2F handler which was active at the time DV started SeeAlso: INT 15/AX=DE26h,INT 15/AX=DE2Fh --------Q-2FDE0B----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - DVP PROCESSING COMPLETE AX = DE0Bh BX = mapping context of DESQview system task CX = number of system memory paragraphs required for the use of all XDI drivers (DV will add this to system memory in DVP buffer) DX = handle of DESQview system task SI = mapping context of new process if it starts ES:DI -> DVP buffer Return: CX incremented as needed Notes: once DV invokes this function, the DVP buffer contents may be changed driver should pass this call to previous handler before processing it --------Q-2FDE0C----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - SWAP OUT PROCESS AX = DE0Ch BX = mapping context of task being swapped out (see #0342 at INT 15/AX=1016h) DX = handle of DESQview system task Note: driver should pass this call to previous handler after processing it --------Q-2FDE0D----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - SWAP IN PROCESS AX = DE0Dh BX = mapping context of process just swapped in (see #0342 at INT 15/AX=1016h) DX = handle of DESQview system task Note: driver should pass this call to previous handler before processing it --------Q-2FDE0E----------------------------- INT 2F C - DESQview v2.26+ External Dev Interface - DVP START FAILED AX = DE0Eh BX = mapping context of DESQview system task DX = handle of DESQview system task SI = mapping context of failed process (same as for call to AX=DE0Bh) Note: driver should pass this call to previous handler after processing it --------Q-2FDE0F----------------------------- INT 2F C - DESQview v2.50+ External Dev Interface - INITIALIZE DV AX = DE0Fh Note: DESQview 2.50+ calls this function just before it completes its initialization. At the time of the call, DESQview has not yet changed any interrupt vectors SeeAlso: AX=DE02h --------Q-2FDE10----------------------------- INT 2F C - DESQview v2.50+ External Dev Interface - FREE TASK AX = DE10h BX = mapping context of process (see #0342 at INT 15/AX=1016h) DX = task handle of process Note: DESQview 2.50+ calls this function before it frees the task; it is similar to AX=DE07h but allows the XDI handler to make calls which cause context switches SeeAlso: AX=DE06h,AX=DE07h --------c-2FDF00----------------------------- INT 2F - HyperWare programs - INSTALLATION CHECK AX = DF00h BX = product code (see #2777) CX = 0000h DX = 0000h Return: AL = status 00h not installed FFh multiplex number in use CX = 5948h ('YH') if selected product installed ---HyperDisk--- BX = code segment of resident portion DX = HyperDisk local data version Program: HyperDisk is a shareware disk cache by HyperWare (Roger Cross) Range: AH=C0h to AH=FFh, selected by scanning AH=DFh, then AH=C0h-FFh SeeAlso: INT 13/AX=8EEDh Index: installation check;HyperDisk|installation check;HyperStb Index: installation check;HyperKey|installation check;HyperScreen Index: HyperDisk;installation check|HyperStb;installation check Index: HyperKey;installation check|HyperScreen;installation check (Table 2777) Values for HyperWare product code: 4248h ('BH') HyperStb 4448h ('DH') HyperDisk v4.20+ 4B48h ('KH') HyperKey 5348h ('SH') HyperScreen --------Q-2FDF00BX5445----------------------- INT 2F U - Quarterdeck TELTSR.COM - INSTALLATION CHECK AX = DF00h BX = 5445h ('TE') CX = 4C54h ('LT') DX = 5352h ('SR') Return: BX = 5454h ('TT') if installed CX = 494Eh ('IN') if installed DX = 5454h ('ST') if installed Program: TELTSR is a Telnet TSR included with Quarterdeck's DESQview/X v2.00 which provides an INT 14h interface to the network Range: AH=DEh to AH=FFh and AH=C0h to AH=DDh, selected by scanning SeeAlso: AX=DF01h"TELTSR",AX=DF02h"TELTSR",INT 14/AH=56h --------N-2FDF01BX0000----------------------- INT 2F U - MSG.COM - INSTALLATION CHECK AX = DF01h BX = 0000h Return: AX = FDFFh if installed BX = segment of resident code Program: MSG.COM is a TSR for intercepting incoming Novell broadcast messages written by Gary Dobbins (Dobbins@Arizona.Edu) --------c-2FDF01BX4448----------------------- INT 2F - HyperDisk v4.50+ - GET CURRENT CACHE STATE AX = DF01h BX = 4448h ('DH') Return: AX = 0000h if function supported BX = number of cache buffers in use CX = number of cache buffers which have been modified DL = caching flags (see #2778) Range: AH=C0h to AH=FFh, selected by scanning AH=DFh, then AH=C0h-FFh SeeAlso: AX=DF00h,AX=DF02h Bitfields for HyperDisk caching flags: Bit(s) Description (Table 2778) 0 staged writes enabled for floppy disks 1 staged writes enabled for hard disks 2 writes verified on floppy disks 3 writes verified on hard disks 4 reserved (0) 5 reserved (0) 6 floppy caching enabled 7 all caching functions enabled --------Q-2FDF01----------------------------- INT 2F U - Quarterdeck TELTSR.COM - CLOSE CONNECTION AX = DF01h Return: nothing??? Note: invokes the DESQview/X socket API (see INT 15/AX=DE2Eh) function 0006h to close the socket corresponding to the file handle set with AX=DF02h; NOP if no file handle was ever set SeeAlso: AX=DF00h"TELTSR",AX=DF02h"TELTSR" --------c-2FDF02BX4448----------------------- INT 2F - HyperDisk v4.50+ - SET CACHE STATE AX = DF02h BX = 4448h ('DH') DL = new caching flags (see #2778) Return: AX = 0000h if supported BX = number of cache buffers in use CX = number of cache buffers which have been modified DL = previous caching flags (see #2778) Program: HyperDisk is a shareware disk cache by HyperWare (Roger Cross) Range: AH=C0h to AH=FFh, selected by scanning AH=DFh, then AH=C0h-FFh SeeAlso: AX=DF00h,AX=DF01h --------Q-2FDF02----------------------------- INT 2F U - Quarterdeck TELTSR.COM - OPEN CONNECTION AX = DF02h BX = file handle for connection's socket Return: AX = status 0000h successful FFFFh no more room in TELTSR's JFT Program: TELTSR is a Telnet TSR included with Quarterdeck's DESQview/X v2.00 Notes: the indicated file handle becomes owned by TELTSR, and is closed in the caller's JFT multiple calls to this function will override the previous assignment without closing the previous file; use AX=DF01h before further calls SeeAlso: AX=DF00h"TELTSR",AX=DF01h"TELTSR" --------U-2FE000----------------------------- INT 2F - SETDRVER.COM v2.10+ - INSTALLATION CHECK AX = E000h Return: AX = 4A52h ("JR") if present Program: SETDRVER is a public domain TSR by Jacob Rieper which sets the apparent DOS version analogously to MS-DOS SETVER Notes: this installation check differs from the usual one of returning AL=FFh the SETDRVER API is fully emulated by Matthias Paul's FREEVER SeeAlso: AX=E000h/DX=4D50h,AX=E001h,INT 21/AH=52h --------j-2FE000----------------------------- INT 2F - KAOSHIDE - INSTALLATION CHECK AX = E000h Return: AL = FFh if installed Program: KAOSHIDE ('Hidden Kaos') is a PD joke TSR which randomly capitalizes alphabetic keys, written by Philip Maland. Although not a virus, v2.0 uses some viral-like techniques to hide itself from memory-reports by reducing DOS memory size. --------U-2FE000DX4D50----------------------- INT 2F - FREEVER v1.0+ - INSTALLATION CHECK AX = E000h DX = 4D50h ('MP') Return: AL = FFh if installed AH = AMIS INT 2Dh multiplex ID CX = FREEVER version (CH=major, CL=minor) DX:DI -> AMIS-compliant signature (see #2257) (vendor ID is "M. Paul ", program name is "FREEVER ") Program: FREEVER is an AMIS-conformant freeware DOS version-faking TSR similar to SETVER for any DOS-compatible OS, written by Matthias Paul Note: FREEVER emulates INT 21/AH=30h, INT 21/AX=3306h, INT 21/AX=4412h, INT 21/AX=4452h, and SETDRVER's API on INT 2F/AX=E00xh, as well as providing an AMIS API on INT 2Dh SeeAlso: AX=E000h"SETDRVER",INT 21/AH=30h,INT 21/AX=3306h,INT 21/AX=4452h --------K-2FE000DX5354----------------------- INT 2F - StuffIt v3.21+ - INSTALLATION CHECK AX = E000h DX = 5354h ("ST") Return: AL = FFh if installed BX = version (BH = major, BL = BCD minor) DX = segment of resident code Program: StuffIt is a freeware delayed keyboard stuffer by Terje Mathisen --------U-2FE001----------------------------- INT 2F - SETDRVER.COM v2.10+ - GET SETDRVER VERSION AX = E001h Return: AH = major version AL = minor version Note: the SETDRVER API is fully emulated by Matthias Paul's FREEVER, which returns version 2.10 for this call; use AX=E000h/DX=45D0h to get FREEVER's version number SeeAlso: AX=E000h,AX=E000h/DX=45D0h --------U-2FE002----------------------------- INT 2F - SETDRVER.COM v2.10+ - GET ORIGINAL DOS VERSION INFO AX = E002h Return: AL = FFh if successful BH = major DOS version BL = minor DOS version CH = DOS version flag CL = OEM number DH = major DR DOS version number (FFh if unknown) DL = minor DR DOS version number (FFh if unknown) SeeAlso: AX=E003h,AX=E007h,INT 21/AH=30h --------U-2FE003----------------------------- INT 2F - SETDRVER.COM v2.10+ - RESET INTERNAL VARIABLES AX = E003h BH = new major DOS version BL = new minor DOS version CH = new DOS version flag CL = new DOS revision number DH = new OEM number SeeAlso: AX=E002h --------U-2FE004----------------------------- INT 2F - SETDRVER.COM v2.10+ - ENABLE TSR AX = E004h Return: AL = FFh if successful SeeAlso: AX=E000h,AX=E005h,AX=E006h --------U-2FE005----------------------------- INT 2F - SETDRVER.COM v2.10+ - DISABLE TSR AX = E005h Return: AL = FFh if successful SeeAlso: AX=E000h,AX=E004h,AX=E006h --------U-2FE006----------------------------- INT 2F - SETDRVER.COM v2.10+ - GET TSR STATUS AX = E006h Return: AL = FFh if successful BL = status 01h resident and active 02h resident and inactive --------U-2FE007----------------------------- INT 2F - SETDRVER.COM v2.10+ - GET TaskMAX STATUS AT INSTALLATION AX = E007h Return: AL = FFh if successful BL = status 00h if TaskMAX not loaded before SETDRVER FFh if TaskMAX was loaded before SETDRVER SeeAlso: AX=E003h --------U-2FE0------------------------------- INT 2F - SETDRVER.COM - RESERVED FOR FUTURE USE AH = E0h AL = 08h-10h --------K-2FE100----------------------------- INT 2F - Phantom2 v1.1+ - INSTALLATION CHECK AX = E100h Return: AX = 0001h if installed DS:SI -> ASCIZ hotkey name DS:DI -> ASCIZ recording filename Program: Phantom of the Keyboard II is a shareware keystroke recorder/replayer by P2 Enterprises SeeAlso: AX=E101h,AX=E102h,AX=E103h,AX=E300h Index: hotkeys;Phantom2 --------K-2FE101----------------------------- INT 2F - Phantom2 v1.1+ - FUNCTION REQUEST AX = E101h BX = function mask (see #2779) CX = code for hotkey (as returned by INT 16/AH=00h) if BX bit 6 set DS:DX -> ASCIZ filespec if BX bit 7 set SeeAlso: AX=E100h Index: hotkeys;Phantom2 Bitfields for Phantom2 function mask: Bit(s) Description (Table 2779) 0 record 1 play 2 QuickPlay 3 loop 4 mode display toggle 5 sound toggle 6 set hotkey 7 set filespec --------K-2FE102----------------------------- INT 2F - Phantom2 v1.1+ - UNINSTALL AX = E102h Return: AX = status 0001h removal successful 0002h not installed as TSR FFFFh disabled but not removed SeeAlso: AX=E100h --------K-2FE103----------------------------- INT 2F - Phantom2 v2.8 - SET ??? FLAG AX = E103h Return: AX = 0001h SeeAlso: AX=E100h --------y-2FE200----------------------------- INT 2F - SecureDevice - LOGIN TO DRIVE AX = E200h DL = drive number (0 = A:) DS:SI -> 104-byte key Return: AL = status 00h unable to determine key's validity 01h key is valid FFh key is invalid Program: SecureDevice is a copylefted device driver by Max Loewenthal and Arthur Helwig which turns one or more disk files into encrypted logical drives SeeAlso: AX=E201h,AX=E203h,AX=E209h --------y-2FE201----------------------------- INT 2F - SecureDevice - GET INFORMATION AX = E201h DX = driver index (0000h = first loaded) Return: AL = number of volumes handled by driver DL = drive number of first volume (00h = A:) SeeAlso: AX=E200h,AX=E203h,AX=E209h --------y-2FE203----------------------------- INT 2F - SecureDevice - DESTROY PASSWORD (LOGOUT FROM DRIVE) AX = E203h DL = drive number (00h = A:) or FFh for all drives Return: nothing SeeAlso: AX=E200h,AX=E209h --------y-2FE209DX0000----------------------- INT 2F - SecureDevice - INSTALLATION CHECK AX = E209h DX = 0000h Return: AX = 1DEAh if installed DX = number of drivers installed --------K-2FE300----------------------------- INT 2F - ANARKEY.COM - INSTALLATION CHECK AX = E300h Return: AL = state 00h not installed FEh if installed but suspended (v3.0+) FFh installed Program: ANARKEY.COM is a commandline recall program by Steven Calwas Range: AH=C0h to AH=FFh, selected by commandline switch SeeAlso: AX=E100h,AX=E301h,AX=E302h,AX=E303h,AX=E304h,AX=E305h,AX=E306h SeeAlso: AX=E307h,INT 66"Newkey" --------V-2FE300----------------------------- INT 2F - Blank - INSTALLATION CHECK AX = E300h Return: AL = FFh if installed ES = resident code segment Program: Blank is a shareware screen blanker by Yonah Schmeidler Note: AH=E3h is the default, which may be reconfigured by the installation program in the registered version SeeAlso: AH=93h,AX=C050h,INT 14/AX=AA01h Index: screen saver;Blank --------K-2FE301----------------------------- INT 2F U - ANARKEY.COM v2+ - GET ??? AX = E301h Return: DX:BX -> ??? (see #2780,#2781) SeeAlso: AX=E300h Format of returned data structure for ANARKEY v2.0: Offset Size Description (Table 2780) -7 7 BYTEs signature ('ANARKEY') 00h WORD ??? (I see 0001h in v2.0) 02h WORD ??? (I see 0001h in v2.0) 04h WORD ??? (I see 0 in v2.0) 06h WORD PSP segment of next program loaded Format of returned data structure for ANARKEY v3+: Offset Size Description (Table 2781) -1 BYTE multiplex number 00h WORD ??? (I see 0001h in v3.0-4.0) 02h WORD ??? (I see 0001h in v3.0-4.0) 04h BYTE ??? (I see 0 in v3.0-4.0) 05h WORD PSP segment of next program loaded --------K-2FE302----------------------------- INT 2F U - ANARKEY.COM v3+ - ??? AX = E302h BL = ??? Return: ??? SeeAlso: AX=E300h --------K-2FE303----------------------------- INT 2F U - ANARKEY.COM v3+ - ANARKMD API AX = E303h BL = function 01h toggle insert mode 02h display contents of history buffer 03h write history buffer to file ES:DX -> file name 04h clear history buffer 05h undefine all aliases 06h show aliases 07h list programs using Unix switchar 08h jump to bottom of history buffer 09h (v4.0) add string to history buffer ES:DX -> ASCIZ string 0Ah (v4.0) ??? ES:DX -> ??? 0Bh (v4.0) copy string to edit buffer for use as next input line ES:DX -> ASCIZ string 0Ch (v4.0) ??? 0Dh (v4.0) copy ??? to ??? 0Eh (v4.0) ??? 0Fh (v4.0) ??? 10h (v4.0) set ??? flag 11h (v4.0) display error message about running in EMS under Windows Return: ??? SeeAlso: AX=E300h --------K-2FE304----------------------------- INT 2F U - ANARKEY.COM v2+ - ??? AX = E304h BL = ??? Return: ??? SeeAlso: AX=E300h --------K-2FE305----------------------------- INT 2F U - ANARKEY.COM v3+ - ENABLE/SUSPEND ANARKEY AX = E305h BL = new state 01h suspended 00h enabled SeeAlso: AX=E300h --------K-2FE306----------------------------- INT 2F U - ANARKEY.COM v4.0 - GET ??? AX = E306h Return: AX = ??? SeeAlso: AX=E300h --------K-2FE307----------------------------- INT 2F U - ANARKEY.COM v4.0 - GET ??? AX = E307h Return: AX = ??? BL = ??? SeeAlso: AX=E300h --------K-2FE337----------------------------- INT 2F - INT16.COM - INSTALLATION CHECK AX = E337h Return: AX = 0013h if installed Program: INT16.COM is an INT16 keyboard BIOS replacement for INT 16/AH=00h-02h,10h-12h (based on K3) written by Martin Gerdes and published in c't 05/1990. SeeAlso: AX=ED58h --------l-2FE44D----------------------------- INT 2F - NDOS - API AX = E44Dh Program: NDOS is a version of 4DOS licensed to Symantec for inclusion in the Norton Utilities Note: as NDOS is a licensed version of 4DOS v3.03, the API is identical to that for 4DOS, except that AH=E4h instead of D4h and the installation check returns AX=44EEh instead of AX=44DDh SeeAlso: AX=D44Dh,AX=E44Eh --------l-2FE44E----------------------------- INT 2F C - NDOS - AWAITING USER INPUT AX = E44Eh BX = condition 0000h NDOS is ready to display prompt 0001h NDOS has displayed the prompt, about to accept user input Return: handler must preserve SI, DI, BP, SP, DS, ES, and SS SeeAlso: AX=E44Dh --------K-2FE44FBX0000----------------------- INT 2F - NDOS v4.0+ - KSTACK.COM - INSTALLATION CHECK AX = E44Fh BX = 0000h Return: AX = 44EEh if installed Program: NDOS is a version of 4DOS licensed to Symantec for inclusion in the Norton Utilities Note: this function is also supported by ANSIPLUS v3.01+ and K3PLUS v6.20+, which emulate the 4DOS and NDOS keystack SeeAlso: AX=D44Fh/BX=0000h,AX=E44Fh/BX=0001h --------K-2FE44FBX0001----------------------- INT 2F - NDOS v4.0+ - KSTACK.COM - PLACE KEYSTROKES INTO KEYSTACK AX = E44Fh BX = 0001h CX = number of keystrokes (01h-FFh) DS:DX -> keystroke list (one word per keystroke) Return: AX = status 0000h successful nonzero failed BX,CX,DX destroyed Notes: the keystrokes are the exact values to return from subsequent calls to INT 16 with AH=00h,01h,10h, or 11h, with the following exceptions: 0000h causes subfunctions 01h and 11h to indicate an empty keyboard buffer FFFFh is followed by a word indicating the number of clock ticks to delay before the next faked keystroke v4.00 KSTACK overwrites any unread keystrokes from the previous invocation, and does not range-check CX; it will overwrite memory following the resident portion if CX is greater than 100h. this function is also supported by ANSIPLUS v3.01+ and K3PLUS v6.20+, which emulate the 4DOS and NDOS keystack SeeAlso: AX=E44Fh/BX=0000h,INT 16/AH=00h,INT 21/AX=4403h"DOS" --------U-2FE600CL30------------------------- INT 2F - Virtual 486 - INSTALLATION CHECK AX = E600h CL = 30h BX = C0DEh Return: BX = DEC0h if installed Program: Virtual 486 is a 80486 CPU emulator for an 80386 by Solar Designer ----------2FE700BX4158----------------------- INT 2F - Multiplex - ??? - INSTALLATION CHECK??? AX = E700h BX = 4158h ("AX") CX = 4953h ("IS") DX = 4845h ("HE") Return: AL = FFh if installed BX = 4C4Fh ("LO") if ??? installed CX = 4F4Bh ("OK") DX = 4F55h ("OU") ES:DI -> ??? Range: AH=C0h to AH=FFh, selected by scanning AH=E7-FFh, then AH=C0h-E6h Note: called by QDPMI when its Real to Protected Mode Switch Entry Point is called --------f-2FE77EBX0000----------------------- INT 2F - CTDEMN - INSTALLATION CHECK AX = E77Eh BX = 0000h CX = 4F4Dh ('OM') DX = 5453h ('TS') Return: AX = 7EE7h if installed BX = resident code segment CX = 6F6Dh ('om') DX = 7473h ('ts') Program: CTDEMN is a file daemon TSR by Simultan AG --------E-2FED00----------------------------- INT 2F - Phar Lap DOS EXTENDERS - INSTALLATION CHECK AX = ED00h BL = DOS extender ID (see #2782) Return: AL = status 00h not installed FFh installed SI = 5048h ("PH") DI = 4152h ("AR") CH = major version number CL = minor version number DX = flags bit 0: running under DPMI bit 1: running under Phar Lap VMM if running under DPMI: BX = DPMI version (BH = major, BL = minor) SeeAlso: AH=A1h,AX=F100h,AX=FBA1h (Table 2782) Values for Phar Lap DOS extender ID: 01h 286dosx v1.3+ (Software Development Kit) 02h 286dosx v1.3+ (Run-Time Kit) 03h 386dosx v4.0+ (SDK) 04h 386dosx v4.0+ (RTK) --------E-2FED03----------------------------- INT 2F R - Phar Lap 386/DOS-Extender v4.1 - GET EXTENDER ENTRY POINT AX = ED03h CX = real-mode code segment DX = real-mode data segment Return: CF clear if successful CX = protected-mode code segment selector DX = protected-mode data segment selector ES:DI -> real-mode entry point for calling protected-mode functions (see INT 21/AX=250Dh) CF set on error AX = error code 0008h unable to allocate LDT descriptors --------E-2FED10BL05------------------------- INT 2F - Pharlap DOS Extender - ??? AX = ED10h BL = 05h ES:SI -> ??? structure Return: AX = ??? SI = ??? DI = ??? SeeAlso: AX=ED00h,AX=ED11h --------E-2FED11BL05------------------------- INT 2F - Pharlap DOS Extender - FATAL EXIT TO REAL MODE ??? AX = ED11h BL = 05h CX = ??? DX = ??? ES:SI -> ??? structure SS:SP = new stack ??? Return: ??? Note: called immediately prior to terminating program with INT 21/AX=4CFFh SeeAlso: AX=ED00h,AX=ED10h --------K-2FED58----------------------------- INT 2F U - K5.COM - INSTALLATION CHECK AX = ED58h Return: AX = 000Dh if installed ES = resident code segment BX = ??? (9999h) ??? Program: K5 is an extended keyboard driver by Martin Gerdes, based on his K3 SeeAlso: AX=E337h,INT 16/AX=AF20h --------E-2FED80----------------------------- INT 2F - Phar Lap 286|DOS Extender Lite v2.5 - ??? AX = ED80h BL = DOS extender ID (see #2782) SI = 5048h ("PH") DI = 4152h ("AR") ??? Return: ??? --------O-2FEDC8BX0000----------------------- INT 2F - Novell ??? - INSTALLATION CHECK??? AX = EDC8h ('EDC' = Novell European Development Center) BX = 0000h CX = 0000h DX = 1234h Return: ??? Desc: called by Novell DOS 7 LOCK command during installation; purpose unknown --------y-2FEE00----------------------------- INT 2F - GRIDLOC.EXE - INSTALLATION CHECK AX = EE00h Return: AL = FFh if installed Program: GRIDLOC is a PC security program by Intelligent Security Systems, Inc. SeeAlso: INT 21/AH=40h"NB.SYS" --------U-2FEE00----------------------------- INT 2F - XVIEW - INSTALLATION CHECK AX = EE00h Return: AX = 00FFh if installed Program: XVIEW is a hypertext viewer by Flambeaux Software, Inc. --------N-2FEE00----------------------------- INT 2F - WEB v4.02 - INSTALLATION CHECK AX = EE00h Return: AL = status 00h not installed FFh installed Program: WEB is an IPX-based peer-to-peer network by Webcorp. SeeAlso: AH=EEh"WEB",AX=EEF0h --------U-2FEE01----------------------------- INT 2F - XVIEW - POP UP GIVING TOPIC SEARCH KEYWORD AX = EE01h DS:DX -> ASCIZ string containing case-insensitive keyword to look up Return: AX = status (see #2783) Note: the specified keyword should be a hyperlink in the _IndexPage of some database; the current database is searched first SeeAlso: AX=EE00h"XVIEW",AX=EE02h,AX=EE03h,AX=EE04h,AX=EE06h (Table 2783) Values for XVIEW function status: 0000h successful 00F1h unknown subfunction 00F2h unable to pop up --------U-2FEE02----------------------------- INT 2F - XVIEW - POP UP GIVING A PAGE NUMBER AX = EE02h DX = physical page number or anchor page number (see #2784) Return: AX = status (see #2783) Note: physical page numbers are assigned by the hypertext compiler, and will change if a page is inserted in the middle SeeAlso: AX=EE00h"XVIEW",AX=EE01h,AX=EE05h,AX=EE06h (Table 2784) Values for XVIEW anchor page number: FFEAh _Credits FFECh _SearchTopics FFEDh _SearchText FFF0h _ManualList FFF5h _HelpOnHelp FFF8h _HomePage FFF9h _IndexPage --------U-2FEE03----------------------------- INT 2F - XVIEW - POP UP GIVING FILENAME AND SEARCH TOPIC OR PAGE NUMBER AX = EE03h DS:DX -> data packet (see #2785) Return: AX = status (see #2783) SeeAlso: AX=EE00h"XVIEW",AX=EE01h,AX=EE02h,AX=EE06h Format of XVIEW data packet: Offset Size Description (Table 2785) 00h DWORD -> ASCIZ database filespec (0000h:0000h for current database) 04h DWORD -> ASCIZ text to look up or 0000h:0000h 08h WORD page number (0000h if keyword used) 0Ah 6 BYTEs reserved --------U-2FEE04----------------------------- INT 2F - XVIEW - POP UP AND READ SCREEN FOR SEARCH TOPIC KEYWORD AX = EE04h Return: AX = status (see #2783) Note: equivalent to the action taken when the user presses the Alt-L hotkey SeeAlso: AX=EE00h"XVIEW",AX=EE01h,AX=EE03h,AX=EE06h --------U-2FEE05----------------------------- INT 2F - XVIEW - POP UP TO MOST-RECENTLY VIEWED PAGE AX = EE05h Return: AX = status (see #2783) Note: equivalent to the action taken when the user presses the Alt-H hotkey SeeAlso: AX=EE00h"XVIEW",AX=EE02h,AX=EE06h --------U-2FEE06----------------------------- INT 2F - XVIEW - WAIT FOR POP-DOWN AND GET EXIT CODE AX = EE06h Return: AX = status (see also AX=EE01h) 0001h specified filename is not an xText database 0002h no databases found 0003h bad data in file 0004h memory shortage 0005h unable to open the requested file 0007h invalid page number for file Note: although this call is not required, the exit code can alert the caller to problems; if the call is not made, the program should enforce a delay of about 1/2 second to allow the viewer to pop up, and should not get keyboard input or attempt disk accesses during the delay SeeAlso: AX=EE00h"XVIEW",AX=EE01h,AX=EE02h,AX=EE03h,AX=EE04h,AX=EE05h --------N-2FEE------------------------------- INT 2F - WEB v4.02 - WEB MODULE INSTALLATION CHECK AH = EEh AL = module ID (see #2786) Return: AX = 0000h if installed ES:DI -> far entry point for module-specific API calls (see #2787,#2788,#2789,#2790,#2791) Program: WEB is an IPX-based peer-to-peer network by Webcorp. SeeAlso: AX=EE00h"WEB" (Table 2786) Values for WEB module ID: 10h server module (SERVER.EXE) 20h client module (CLIENT.EXE) 30h mail module (MAIL.EXE) 40h spooler (PCSPOOL.EXE) 50h kernel module (KERNEL.EXE) 60h SAP module (KERNEL.EXE) 70h resident station manager (SM.EXE) 90h router module (ROUTER.EXE) (Table 2787) Call server module entry point with: BX = function 0000h remove server module Return: AX = status (0000h if successful, else WEB error code) 0001h create SYSINFO file Note: the SYSINFO file is used by the station manager when displaying info for a particular station 0002h get server object table Return: CX = number of server objects ES:DI -> server object table Note: server objects include drives and devices that the server module controls 0003h get server variables Return: ES:DI -> server variables (Table 2788) Call client module entry point with: BX = function 0000h remove client module Return: AX = status (0000h if successful, else WEB error code) 0001h decrement client-only flag 0002h increment client-only flag 0005h set device capture Note: decrements DeviceOutput flag, telling the spooler that it may trap device output again 0006h clear device capture Note: increments DeviceOutput flag, telling the spooler that it should not trap device output (this is used internally by the spooler to prevent it from trapping its own output) 0007h get client debug pointer Return: ES:DI -> client debug data structure (see #2792) 0008h get root drive Return: AL = WEB startup drive 0009h get maximum possible drive/device redirections Return: AL = maximum drive redirections CH = maximum LPTx redirections CL = maximum COMx redirections 000Ah suspend client Return: AX = previous value of Suspend flag 000Bh resume client Return: AX = previous value of Suspend flag 000Ch get instance data CX = maximum number of structures in array ES:DI -> buffer for array of WIN_INSTANCE_DATA structures (see #2793) Return: CX = number of structures actually returned Note: used internally by WEB4WIN (Table 2789) Call mail module entry point with: BX = function 0000h remove mail module Return: AX = status (0000h successful, else WEB error code) 0001h set mail poll Note: schedules the WEB mail module 0002h set mail notify Note: sets the Notify flag, which determines whether the user will be notified when mail is received 0003h clear mail notify Note: clears the Notify flag, which determines whether the user will be notified when mail is received 0004h check whether new mail has arrived Return: AL = new mail status 00h no new mail since last call else new mail has arrived Note: also clears the new-mail flag after retrieving it 0005h send notify ES:DI -> name of WEB user to be notified 0006h get post office Return: ES:DI -> full network path of Post Office subdirectory (Table 2790) Call spooler entry point with: BX = function 0000h remove PCSpool module Return: AX = status (0000h successful, else WEB error code) 0001h set spooler poll Note: schedules the WEB spooler 0002h check spooler changed Return: AX = 0000h Note: this call is a NOP in current versions of WEB (Table 2791) Call kernel entry point with: BX = function 0000h remove kernel module Return: AX = status (0000h successful, else WEB error code) 0001h set kernel ^S filter DL = new state (00h don't filter ^S, nonzero do filter) 0002h get kernel data area Return: ES:DI -> kernel data area 0003h display dialog box CL = dialog box type 00h password 01h E-Note received notification 02h Novell login 03h general notification DL = number of rows to display ES:SI -> array of far pointers to rows to be displayed ES:DI -> Pascal-style input buffer Return: AX = status (0000h successful, else error code) 0004h kernel service events 0005h get kernel's in-critical-section flag Return: ES:DI -> kernel InCriticalSection flag 0006h schedule DOS event AL = directive 00h do not ignore WEB ExtraBusy flag 01h ignore ExtraBusy flag 02h (WEB4WIN) check that current Windows VM is foregrnd VM ES:SI -> WEB AES Event Control Block (ECB) (see #2794) Notes: the WEB Asynchronous Event Scheduler is similar to the one used by IPX; this call schedules a special ECB to be executed at a later time. Unlike IPX ECBs, the timeout must be set explicitly by the caller this function also calls function 0004h 0007h check busy AL = directive 00h do not ignore WEB ExtraBusy flag 01h ignore ExtraBusy flag 02h (WEB4WIN) check that current Windows VM is foregrnd VM Return: AX = status (0000h not busy, else busy) 0008h set keyboard intercept Note: currently a NOP which returns immediately 0009h get keyboard intercept Note: currently a NOP which returns immediately 000Ah get dialog flags Return: ES:DI -> kernel dialog flags (see #2795) 000Bh get network path Return: ES:DI -> fully-qualified network path of file where the screen is stored on Dialog calls 000Ch kernel alternate dialog CL = dialog box type 00h password 01h E-Note received notification 02h Novell login 03h general notification DL = number of rows to display ES:SI -> array of far pointers to rows to be displayed ES:DI -> Pascal-style input buffer Return: AX = status (0000h successful, else error code) Note: this function is identical to function 0003h except that it does not notify WEB4WIN of the impending dialog request 000Dh get machine/operating system type Return: AX = machine/operating system type 01h IBM PC, MS-DOS 02h IBM PC, DOSV (Japanese) 03h NEC PC-9800, JDOS (Japanese) 04h IBM PC, Korean DBC DOS Format of client debug data structure: Offset Size Description (Table 2792) 00h WORD total files 02h WORD files free 04h WORD no files 06h WORD minimum files 08h WORD total FCBs 0Ah WORD total safe FCBs 0Ch WORD FCBs in use 0Eh WORD wrong FCB 10h WORD compressed 12h WORD retransmits Format of WIN_INSTANCE_DATA structure: Offset Size Description (Table 2793) 00h DWORD real-mode pointer to data to be instanced 04h WORD size of data to be instanced Format of WEB AES Event Control Block: Offset Size Description (Table 2794) 00h DWORD link address 04h WORD ESR address 08h BYTE InUse flag 09h BYTE completion code 0Ah 3 BYTEs reserved 0Dh WORD timeout 0Fh BYTE IgnoreExtra flag 10h WORD PSP 12h DWORD DTA 16h WORD AX value for DOS critical information 18h WORD BX value for DOS critical information 1Ah WORD CX value for DOS critical information 1Ch WORD DX value for DOS critical information (Table 2795) Values for kernel dialog flags: 01h dialog will timeout 02h display stars instead of entered keystrokes --------N-2FEEF0----------------------------- INT 2F - WEB v4.02 - WEB GENERAL NOTIFICATION AX = EEF0h BX = notification function ID (see #2796) Return: varies by notification function Program: WEB is an IPX-based peer-to-peer network by Webcorp. Note: the notification functions are used internally by WEB modules to notify other modules and external programs of actions or event, and should never be called by an application SeeAlso: AX=EE00h"WEB" (Table 2796) Values for WEB Notification Function ID: 00h node added 01h node deleted 02h dial attempt 03h dial failed 04h file close 05h close connection 07h check Windows mode 20h link up 21h link down --------K-2FF000----------------------------- INT 2F U - 4MAP - INSTALLATION CHECK AX = F000h Return: AX = 00FFh Program: 4MAP is a keybinding program for 4DOS (see AX=D44Dh) by Ho-Ping Tseng Note: returns AX=00FFh for any value of AL not listed here SeeAlso: AX=D44Dh,AX=F001h,AX=F002h --------K-2FF001----------------------------- INT 2F U - 4MAP - GET KEY MAPPINGS AX = F001h Return: ES:BX -> key mappings SeeAlso: AX=F000h --------K-2FF002----------------------------- INT 2F U - 4MAP - INSERT CHARACTER INTO ??? AX = F002h BL = character to insert Return: AX = status 0000h successful 0001h buffer full SeeAlso: AX=F000h,AX=F003h --------K-2FF003----------------------------- INT 2F U - 4MAP - INSERT CHARACTER INTO ??? AX = F003h BL = character to insert Return: AX = status 0000h successful 0001h buffer full Program: 4MAP is a keybinding program for 4DOS (see AX=D44Dh) by Ho-Ping Tseng SeeAlso: AX=F000h,AX=F002h --------m-2FF1------------------------------- INT 2F U - MIN-MEM v2.11 - INSTALLATION CHECK AH = F1h AL <> F1h Return: AL = F1h if installed Program: MIN-MEM is a shareware TSR manager by Biologic which permits up to 24 popup TSRs to be loaded but swapped out to disk, EMS, or XMS. One TSR at a time is brought back into memory at the user's request. --------E-2FF100----------------------------- INT 2F - DOS EXTENDER INSTALLATION CHECK AX = F100h Return: AL = FFh if DOS extender present SI = 444Fh ("DO") DI = 5358h ("SX") Note: supported or soon to be supported by Phar Lap, Rational, Ergo, and IGC SeeAlso: AH=A1h,AX=ED00h,AX=FBA1h/BX=0081h,INT 15/AX=BF02h --------W-2FF200----------------------------- INT 2F - WINX - INSTALLATION CHECK AX = F200h Return: AX = 00FFh if installed Program: WINX is a DOS/Windows utilities by Al Williams which can be used to launch Windows applications from a DOS Box; it was published in "DOS and Windows Protected Mode-Programming with DOS Extenders" (Addison-Wesley) and should not be confused with the Windows driver of the same name which is part of the DESQview/X package --------W-2FF201----------------------------- INT 2F - WINX - RETURN ADDRESS OF SERVER BUFFER AX = F201h Return: AX = status FFFFh if WINX is busy processing a different request 0000h if successful BX:CX = address of server buffer (see #2797) Format of WINX server buffer: Offset Size Description (Table 2797) 00h BYTE command/status 00h buffer available 01h buffer contains result 02h change directory 03h execute program FFh terminate windows portion of WINX 01h ? BYTEs command (03h) or directory (02h) or 01h DWORD result (01h) --------W-2FF202----------------------------- INT 2F - WINX - SET SERVER'S WORKING DIRECTORY AX = F202h BX:CX -> directory Return: AX = status FFFFh if WINX is busy processing a different request 0000h if successful SeeAlso: AX=F200h,AX=F203h --------W-2FF203----------------------------- INT 2F - WINX - EXECUTE COMMAND AX = F203h BX:CX -> command Return: AX = status 0000h if successful FFFFh if WINX is busy processing a different request SeeAlso: AX=F200h,AX=F202h --------G-2FF400----------------------------- INT 2F - FINDIRQ.COM - INSTALLATION CHECK AX = F400h Return: AL = 01h if installed Program: FINDIRQ is a program by Rick Knoblaugh published in the 9/28/93 issue of PC Magazine; when run as a TSR it can determine which IRQs are used only when a device is active SeeAlso: AX=F401h --------N-2FF400----------------------------- INT 2F - PowerLAN - INSTALLATION CHECK??? AX = F400h ??? Return: ??? Note: this function is called by PowerLAN's NET.EXE just prior to calling AX=F401h (get version) SeeAlso: AX=F401h"PowerLAN" --------N-2FF401----------------------------- INT 2F - PowerLAN - GET VERSION AX = F401h Return: ES:BX -> WORD containing 100*version (in decimal) Program: PowerLAN is a networking product by Performance Technology SeeAlso: AX=F400h"PowerLAN",AX=F483h"PowerLAN" --------G-2FF401CX5121----------------------- INT 2F - FINDIRQ.COM - GET HOOKED INTERRUPTS AX = F401h CX = 5121h ('Q!') Return: AX:DX -> hooked interrupt table (see #2798) SeeAlso: AX=F400h Format of FINDIRQ hooked interrupt table: Offset Size Description (Table 2798) 00h BYTE 1Ch 01h DWORD FINDIRQ's INT 1C handler 05h DWORD original INT 1C handler 09h BYTE 28h 0Ah DWORD FINDIRQ's INT 28 handler 0Eh DWORD original INT 28 handler 12h BYTE 2Fh 13h DWORD FINDIRQ's INT 2F handler 17h DWORD original INT 2F handler --------N-2FF483----------------------------- INT 2F - PowerLAN - ??? AX = F483h ??? Return: ??? SeeAlso: AX=F400h"PowerLAN",AX=F401h"PowerLAN" --------d-2FF700----------------------------- INT 2F - AUTOPARK.COM - INSTALLATION CHECK AX = F700h Return: AL = state 00h not installed FFh installed Program: AUTOPARK.COM is a resident hard disk parker by Alan D. Jones --------d-2FF701----------------------------- INT 2F - AUTOPARK.COM - SET PARKING DELAY AX = F701h BX:CX = 32-bit count of 55ms timer ticks --------d-2FF800CX4455----------------------- INT 2F U - SuperStor PRO 2XON.COM - INSTALLATION CHECK AX = F800h CX = 4455h ("DU") DL = 45h ("E") Return: AL = FFh if installed ES:BX -> ASCII signature "Universal Data Exchange" Program: SuperStor is a disk-compression program by Addstor. Note: returns AX=0001h if AL is not 00h or 01h SeeAlso: AX=1001h,AX=F801h --------d-2FF801CX4455----------------------- INT 2F U - SuperStor PRO 2XON.COM - UNINSTALL AX = F801h CX = 4455h ("DU") DL = 45h ("E") ES:BX = return address if successful Return: at specified address if successfully removed from memory else AL = error code ??? Program: SuperStor is a disk-compression program by Addstor. Note: returns AX=0001h if AL is not 00h or 01h SeeAlso: AX=1001h,AX=F800h ----------2FFA00----------------------------- INT 2F - Multiplex - ??? - INSTALLATION CHECK??? AX = FA00h BX = ??? (0408h) CX = ??? (001Fh) DX = ??? (0102h) SI = ??? (5ACCh) DI = ??? (0632h) Return: ??? Note: called by WinEmacs at startup ----------2FFA00----------------------------- INT 2F - Multiplex - ??? - INSTALLATION CHECK??? AX = FA00h BX = ??? (03FCh) CX = ??? (003Fh) DX = ??? (00FFh) SI = ??? (5AA6h) DI = ??? (0620h) Return: ??? Note: called by Matlab at startup --------*-2FFB------------------------------- INT 2F - Multiplex - RESERVED BY BORLAND INTERNATIONAL AH = FBh SeeAlso: AX=FB42h/BX=0001h --------f-2FFB------------------------------- INT 2F U - Conner Backup Exec AUTORES - API AH = FBh BL = function number (00h-07h) ??? Return: ??? Program: AUTORES is a resident program launcher for unattended backups --------a-2FFB00----------------------------- INT 2F U - AutoBraille v1.1A - INSTALLATION CHECK AX = FB00h Return: AX = 00FFh if installed Program: AutoBraille is a shareware text-to-braille converter by KANSYS, Inc. SeeAlso: INT 10/AX=3800h,INT 14/AX=F0F1h --------U-2FFB00----------------------------- INT 2F U - Jot-It! v1.50 - INSTALLATION CHECK AX = FB00h Return: AX = FFFFh if installed BX = version (BCD, BH=major, BL=minor) SeeAlso: AX=FB03h"Jot-It",AX=FB01h"Jot-It" --------a-2FFB01----------------------------- INT 2F U - AutoBraille v1.1A - ??? AX = FB01h ??? Return: ??? --------U-2FFB01----------------------------- INT 2F U - Jot-It! v1.50 - GET USER NAME AX = FB01h Return: DX:BX -> ASCIZ user name SeeAlso: AX=FB02h"Jot-It" --------a-2FFB02----------------------------- INT 2F U - AutoBraille v1.1A - ??? AX = FB02h Return: AH = ??? AL = ??? --------U-2FFB02----------------------------- INT 2F U - Jot-It! v1.50 - GET MESSAGE DIRECTORY AX = FB02h Return: DX:BX -> ASCIZ name of directory in which messages are stored SeeAlso: AX=FB01h"Jot-It" --------a-2FFB03----------------------------- INT 2F U - AutoBraille v1.1A - GET NEXT ??? AX = FB03h Return: AX = ??? --------U-2FFB03----------------------------- INT 2F U - Jot-It! v1.50 - UNINSTALL AX = FB03h Return: resident code removed from memory Note: CAUTION: NO checks are performed to ensure that the interrupt vectors being unhooked (08h,09h,28h,2Fh) actually point at the Jot-It! code SeeAlso: AX=FB00h"Jot-It" --------a-2FFB------------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AH = FBh AL = 04h-08h Return: AX = 0000h --------a-2FFB------------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AH = FBh AL = 09h-0Fh (???, 0Eh = COM1, 0Fh = COM2) Return: ??? Program: AutoBraille is a shareware text-to-braille converter by KANSYS, Inc. --------a-2FFB------------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AH = FBh AL = 10h-1Fh ??? Return: ??? --------a-2FFB20----------------------------- INT 2F U - AutoBraille v1.1A - SET ??? FLAGS AX = FB20h BL = flags to set SeeAlso: AX=FB21h"AutoBraille" --------a-2FFB21----------------------------- INT 2F U - AutoBraille v1.1A - CLEAR ??? FLAGS AX = FB21h BL = flags to clear SeeAlso: AX=FB20h"AutoBraille" --------a-2FFB22----------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AX = FB22h BL = ??? Program: AutoBraille is a shareware text-to-braille converter by KANSYS, Inc. --------a-2FFB28----------------------------- INT 2F U - AutoBraille v1.1A - ??? AX = FB28h BX = ??? ??? Return: ??? SeeAlso: AX=FB29h"AutoBraille" --------a-2FFB29----------------------------- INT 2F U - AutoBraille v1.1A - ??? AX = FB29h BX = ??? ??? Return: ??? SeeAlso: AX=FB28h"AutoBraille" --------a-2FFB------------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AH = FBh AL = 2Bh-34h BX = ??? --------a-2FFB35----------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AX = FB35h BL = ??? --------a-2FFB36----------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AX = FB36h BL = ??? --------a-2FFB37----------------------------- INT 2F U - AutoBraille v1.1A - SET ??? AX = FB37h BL = ??? Program: AutoBraille is a shareware text-to-braille converter by KANSYS, Inc. --------E-2FFB42BX0001----------------------- INT 2F PU - Borland C++ DPMILOAD.EXE - INSTALLATION CHECK??? AX = FB42h BX = 0001h Return: AX = version number??? (AL=major, AH=minor) CX = next-selector increment ---BC2.0--- ES:BX -> 80-byte buffer for ??? DX = DPMI version ---BC3.0--- BX = ??? (0000h) DX = ??? ES:SI -> list of valid selectors ??? Notes: The version of DPMILOAD distributed with BC++ v2.0 identifies itself as version 1.000, while the version distributed with BC++ 3.0 identifies itself as version 1.0; the former is 10864 bytes, the latter 22180 bytes. The BC2.0 version is a DPMI loader, while the BC3.0 version also adds a DPMI host and DOS extender the BC++ 2.0 version displays an error message if called with BX values other than 0001h-0008h SeeAlso: AX=1687h,AX=FB42h/BX=1001h,AX=FB43h --------E-2FFB42BX0002----------------------- INT 2F PU - Borland C++ 2.0 DPMILOAD.EXE - ALLOCATE MEMORY AX = FB42h BX = 0002h CX = size in bytes DX = bit flags bit 2: set to allocate DOS memory, clear for DPMI memory SI = selector of descriptor to be modified to access allocated memory DI = selector of a second descriptor to be modified Return: AX = ??? or 0000h on error CX:DX = linear base address of DPMI memory block SI:DI = handle for DPMI memory block or FFFFh:FFFFh ??? Note: two segment descriptors may be set if a code and an aliased data segment are required; if only one descriptor is needed, SI should equal DI on entry BUG: when allocating DOS memory, the code computes the linear address by multiplying the segment number by 4 rather than shifting by 4 SeeAlso: AX=FB42h/BX=0003h,AX=FB42h/BX=0008h,INT 31/AX=0501h --------E-2FFB42BX0002----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ALLOCATE MEMORY AX = FB42h BX = 0002h ES:SI -> memory block info (see #2799) Return: ??? Note: The version of DPMILOAD distributed with BC++ v2.0 identifies itself as version 1.000, while the version distributed with BC++ 3.0 identifies itself as version 1.0; the former is 10864 bytes, the latter 22180 bytes. SeeAlso: AX=FB42h/BX=0003h,AX=FB42h/BX=0008h,INT 31/AX=0501h Format of DPMILOAD memory block info: Offset Size Description (Table 2799) 00h WORD flags (see #2800) 02h DWORD block size in bytes ---DPMI memory block--- 06h DWORD DPMI memory block handle ---DOS memory block--- 06h WORD real-mode segment of memory block 08h WORD selector of memory block --- 0Ah DWORD linear address of memory 0Eh WORD memory operation error code 0008h no more free LDT descriptors ---if flags bit 0 clear--- 10h WORD code segment selector for memory block or 0000h or FFFFh 12h WORD data alias selector for memory block or 0000h or FFFFh ---if flags bit 0 set--- 10h WORD data segment selector for memory block or 0000h or FFFFh 12h WORD unused??? Bitfields for DPMILOAD memory block flags: Bit(s) Description (Table 2800) 0 set if data segment rather than code segment 1 information valid 2 set if DOS memory block rather than DPMI memory block 4 ??? 15 set if no LDT selectors for memory block??? SeeAlso: #2799 --------E-2FFB42BX0003----------------------- INT 2F PU - Borland C++ DPMILOAD.EXE - GET AVAILABLE MEMORY AX = FB42h BX = 0003h Return: DX:AX = size of largest free block in paragraphs 0000h:0000h on error (BC3.0 version only) Note: AX and DX are destroyed on error, but no other error indicator is returned, under the BC++ 2.0 version of DPMILOAD SeeAlso: AX=FB42h/BX=0002h --------E-2FFB42BX0004----------------------- INT 2F PU - Borland C++ DPMILOAD.EXE - LOAD PROTECTED-MODE EXECUTABLE??? AX = FB42h BX = 0004h DS:DX -> ASCIZ filename of protected-mode executable Return: CX = selector of ??? or 0000h ---BC3.0--- DX = status (0000h,FFF4h,others???) (see #2801) Note: the filename may also be terminated by a CR rather than a NUL under the BC++ 3.0 version of DPMILOAD (Table 2801) Values for DPMILOAD function status: 0000h successful 0001h ??? failure 0002h invalid selector 0004h unknown error 0008h no more LDT descriptors available??? FFDEh unable to set descriptor FFDFh unable to get segment base address FFE0h ??? FFF2h invalid parameter value FFF4h component of filename too long (name not in 8.3 format) FFF5h pathname too long (>79 chars) FFF6h ??? FFF8h ??? FFF9h index out of range FFFAh ??? FFFCh invalid access to code segment??? FFFEh ??? FFFFh general error --------E-2FFB42BX0005----------------------- INT 2F PU - Borland C++ DPMILOAD.EXE - GET ADDRESS OF ??? BY NAME AX = FB42h BX = 0005h CX = selector of DPMILOAD data (see #2802) DS:DX -> ASCIZ or CR-terminated name of ??? (case ignored) Return: DX = status (see #2801) 0000h successful AX:BX -> ??? FAR function (called with two words on top of stk) else BX destroyed SeeAlso: AX=FB42h/BX=0006h,AX=FB42h/BX=000Eh Format of DPMILOAD data: Offset Size Description (Table 2802) 00h 12 BYTEs ??? 0Ch WORD ??? bit flags 0Eh 14 BYTEs ??? 1Ch WORD number of memory control records (see #2805) 1Eh 25 BYTEs ??? 37h BYTE ??? bit flags bit 4: data valid??? 38h 4 BYTEs ??? 3Ch WORD ??? 3Eh 12 BYTEs ??? 46h BYTE ??? counter 47h BYTE ??? 48h BYTE ??? 49h BYTE ??? 4Ah WORD ??? 4Ch 2 BYTEs ??? 4Eh WORD offset of array of 64-byte memory control records 52h WORD offset of name list (see #2803) 54h 4 BYTEs ??? 58h WORD offset of array of 6-byte objects (see #2804) 5Ah 8 BYTEs ??? 62h 9 BYTEs ASCIZ name for ??? 6Bh 9 BYTEs ASCIZ name for ??? ??? Format of name list entry [array]: Offset Size Description (Table 2803) 00h BYTE length of name (00h if end of array) 01h N BYTEs name N+1 WORD 1-based index into array of unknown 6-byte objects Format of 6-byte objects: Offset Size Description (Table 2804) 00h BYTE ??? 01h BYTE ??? 02h BYTE ??? 03h BYTE 1-based index of memory control record 04h WORD ??? Format of memory control record: Offset Size Description (Table 2805) 00h 20 BYTEs memory block info (see #2799) 14h 6 BYTEs ??? 1Ah BYTE ??? 1Bh 2 BYTEs ??? 1Dh BYTE ??? bit flags 1Eh 14 BYTEs ??? 2Ch DWORD pointer to ??? memory control record or 0000h:0000h 30h DWORD pointer to ??? memory control record or 0000h:0000h 34h DWORD pointer to next??? memory control record or 0000h:0000h 38h DWORD pointer to prev??? memory control record or 0000h:0000h 3Ch 4 BYTEs ??? Note: the pointers at offsets 2Ch and 30h form a doubly-linked list, as do the pointers at offsets 34h and 38h --------E-2FFB42BX0006----------------------- INT 2F PU - Borland C++ DPMILOAD.EXE - GET ADDRESS OF ??? BY NUMBER AX = FB42h BX = 0006h CX = selector of DPMILOAD data (see #2802) DX = 1-based index into array of ??? 6-byte objects Return: DX = status (see #2801) 0000h successful AX:BX -> ??? FAR function (called with two words on top of stk) else BX destroyed SeeAlso: AX=FB42h/BX=0005h,AX=FB42h/BX=000Eh --------E-2FFB42BX0007----------------------- INT 2F PU - Borland C++ 2.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0007h CX = selector of ??? Return: ??? Note: The version of DPMILOAD distributed with BC++ v2.0 identifies itself as version 1.000, while the version distributed with BC++ 3.0 identifies itself as version 1.0; the former is 10864 bytes, the latter 22180 bytes. --------E-2FFB42BX0007----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0007h CX = selector of DPMILOAD data (see #2802) ??? Return: DX = status (see #2801) 0000h successful AX = ??? --------E-2FFB42BX0008----------------------- INT 2F PU - Borland C++ 2.0 DPMILOAD.EXE - FREE MEMORY BLOCK AX = FB42h BX = 0008h CX = bit flags bit 2: set if DPMI memory, clear if DOS memory DX = selector of DOS memory block SI:DI = handle of DPMI memory block Return: DX = 0000h on error, unchanged if succcessful Note: The version of DPMILOAD distributed with BC++ v2.0 identifies itself as version 1.000, while the version distributed with BC++ 3.0 identifies itself as version 1.0; the former is 10864 bytes, the latter 22180 bytes. SeeAlso: AX=FB42h/BX=0002h --------E-2FFB42BX0008----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - FREE MEMORY BLOCK AX = FB42h BX = 0008h ES:SI -> memory block info (see #2799) Return: ??? SeeAlso: AX=FB42h/BX=0009h --------E-2FFB42BX0009----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - RESIZE MEMORY BLOCK AX = FB42h BX = 0009h ES:SI -> memory block info (see #2799) ??? Return: ??? SeeAlso: AX=FB42h/BX=0008h"3.0" --------E-2FFB42BX000A----------------------- INT 2F RU - Borland C++ 3.0 DPMILOAD.EXE - INIT DPMI HOST AND SPAWN SUBSHELL AX = FB42h BX = 000Ah CX = 0001h DX = ??? SI = ??? Return: after user exits subshell Notes: this call is used by DPMIRES; unlike most of the DPMILOAD calls, this function is not available in protected mode. the BC2.0 version of DPMILOAD is purely a DPMI loader, while the BC3.0 version also adds a DPMI host and DOS extender. SeeAlso: AX=FB42h/BX=0004h,AX=FB42h/BX=0015h --------E-2FFB42BX000B----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - UNUSED AX = FB42h BX = 000Bh --------E-2FFB42BX000C----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - FREE DESCRIPTORS FOR MEMORY BLOCK??? AX = FB42h BX = 000Ch ES:SI -> memory block info ??? (see #2799) Return: DX = status??? SeeAlso: AX=FB42h/BX=000Fh --------E-2FFB42BX000D----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - SIMULATE REAL MODE INTERRUPT AX = FB42h BX = 000Dh CX = number of words to copy from protected-mode to real mode stack DL = interrupt number DH = flags bit 0: reset the interrupt controller and A20 line ES:DI -> real-mode call structure (see #2819 at INT 31/AX=0300h) Return: CX = status 0000h successful 0001h failed SeeAlso: INT 31/AX=0300h --------E-2FFB42BX000E----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - GET ADDRESS OF ??? AX = FB42h BX = 000Eh DS:DX -> ASCIZ or CR-terminated name of ??? Return: CX = selector of DPMILOAD data (see #2802) corresponding to name, 0000h on error SeeAlso: AX=FB42h/BX=0006h,AX=FB42h/BX=001Fh --------E-2FFB42BX000F----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - REALLOCATE LDT DESCRPS TO MEMBLK??? AX = FB42h BX = 000Fh ES:SI -> memory block info (see #2799) Return: ??? SeeAlso: AX=FB42h/BX=000Ch --------E-2FFB42BX0010----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - CONVERT SEGMENT TO SELECTOR AX = FB42h BX = 0010h DX = segment number Return: CX = status (0000h,0008h) (see also AX=FB42h/BX=0004h) 0000h successful DX = selector number for descriptor 0008h failed SeeAlso: AX=FB42h/BX=0023h --------E-2FFB42BX0011----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0011h CX = selector of DPMILOAD data (see #2802) ??? Return: DX = status (0000h,0002h,FFFEh) (see also #2801) 0000h successful AX:BX -> ??? name FFFEh ??? error --------E-2FFB42BX0012----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0012h CX = selector for ??? Return: CX = selector for ??? --------E-2FFB42BX0013----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0013h CX = selector of DPMILOAD data (see #2802) DX = 1-based index of ??? Return: CX = status (0000h,0002h,FFF9h) (see also #2801) 0000h successful BX = ??? or 0000h FFF9h ??? error --------E-2FFB42BX0014----------------------- INT 2F RU - Borland C++ 3.0 DPMILOAD.EXE - INSTALLATION CHECK AX = FB42h BX = 0014h CX = 0001h Return: BX = 0000h if installed Note: unlike most of the DPMILOAD functions, this call is available only in real or V86 mode SeeAlso: AX=FB42h/BX=0001h,AX=FB42h/BX=000Ah --------E-2FFB42BX0015----------------------- INT 2F RU - Borland C++ 3.0 DPMILOAD.EXE - UNINSTALL AX = FB42h BX = 0015h CX = 0001h Return: ??? Note: unlike most of the DPMILOAD functions, this call is available only in real or V86 mode SeeAlso: AX=FB42h/BX=000Ah --------E-2FFB42BX0016----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - GET ??? AX = FB42h BX = 0016h CX = selector of DPMILOAD data (see #2802) Return: DX = status (see also AX=FB42h/BX=0004h) 0000h successful CX = ??? --------E-2FFB42BX0017----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0017h CX = ??? DX = ??? ??? Return: DX = status (0000h,0001h) (see #2801) --------E-2FFB42BX0018----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - SET ??? AX = FB42h BX = 0018h CX = ??? --------E-2FFB42BX0019----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0019h CX = selector for ??? ??? Return: DX = status (see also AX=FB42h/BX=0004h) 0000h successful CX = selector for ??? --------E-2FFB42BX001A----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 001Ah CX = selector for ??? ??? Return: DX = status (see also AX=FB42h/BX=0004h) 0000h successful 0004h failed CX:BX -> ??? --------E-2FFB42BX001B----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 001Bh CX = selector of DPMILOAD data (see #2802) DX = offset of ??? Return: DX = status (0000h,0002h) (see also #2801) 0000h successful BX = selector for ??? CX = selector for ??? --------E-2FFB42BX001C----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 001Ch ES = selector for DPMILOAD data (see #2802) CX = 1-based index of ??? DX = 1-based index of ??? Return: DX = status (0000h,0002h,FFF9h) (see #2801) --------E-2FFB42BX001D----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - GET ??? AX = FB42h BX = 001Dh Return: CX:DX = ??? --------E-2FFB42BX001E----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 001Eh CX = ??? ??? Return: DX = status (see also AX=FB42h/BX=0004h) 0000h successful FFF7h ??? error CX:BX -> ??? --------E-2FFB42BX001F----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - GET ADDRESS OF ??? AX = FB42h BX = 001Fh DS:DX -> 8-character name of ??? ??? Return: CX = selector of DPMILOAD data (see #2802) for ??? 0000h on error SeeAlso: AX=FB42h/BX=000Eh --------E-2FFB42BX0020----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - NULL FUNCTION??? AX = FB42h BX = 0020h Return: DX = ??? (always 0000h) --------E-2FFB42BX0021----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - GET PROCESSOR EXCEPTION HANDLER VECT AX = FB42h BX = 0021h CL = exception number (00h-1Fh) Return: DX = status (see also AX=FB42h/BX=0004h) 0000h successful AX:BX = selector:offset of handler FFF2h unable to get exception handler vector SeeAlso: AX=FB42h/BX=0022h,AX=FB42h/BX=0024h,INT 31/AX=0202h --------E-2FFB42BX0022----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - SET PROCESSOR EXCEPTION HANDLER VECT AX = FB42h BX = 0022h CL = exception number (00h-1Fh) SI:DX = selector:offset of new handler Return: DX = status (0000h,0004h,FFF2h) (see #2801) SeeAlso: AX=FB42h/BX=0021h,AX=FB42h/BX=0025h,INT 31/AX=0203h --------E-2FFB42BX0023----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - CONVERT SELECTOR TO SEGMENT NUMBER AX = FB42h BX = 0023h CX = selector Return: DX = status (see also AX=FB42h/BX=0004h) 0000h successful CX = real-mode segment number FFF2h descriptor has invalid base address for real-mode segment SeeAlso: AX=FB42h/BX=0010h --------E-2FFB42BX0024----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - GET PROTECTED-MODE INTERRUPT VECTOR AX = FB42h BX = 0024h CL = interrupt number Return: DX = status (0000h) (see also AX=FB42h/BX=0004h) AX:BX = selector:offset of handler SeeAlso: AX=FB42h/BX=0025h,INT 31/AX=0204h --------E-2FFB42BX0025----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - SET PROTECTED-MODE INTERRUPT VECTOR AX = FB42h BX = 0025h CL = interrupt number SI:DX = selector:offset of new handler Return: DX = status (0000h,0004h,FFF2h) (see #2801) SeeAlso: AX=FB42h/BX=0024h,INT 31/AX=0205h --------E-2FFB42BX0026----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ??? AX = FB42h BX = 0026h CX = selector of DPMILOAD data (see #2802) DX = 1-based index of ??? ??? Return: DX = status (0000h,0002h,FFF9h) (see #2801) 0000h successful BX = offset of ??? within data structure --------E-2FFB42BX0027----------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - GET ??? AX = FB42h BX = 0027h CX = selector of DPMILOAD data (see #2802) DX = offset of ??? Return: DX = status (see also AX=FB42h/BX=0004h) 0000h successful BX = ??? --------E-2FFB42BX0080----------------------- INT 2F U - ??? - CALLED BY Borland C++ 3.0 DPMILOAD.EXE AX = FB42h BX = 0080h ??? Return: AX = ??? ??? --------E-2FFB42BX0081----------------------- INT 2F U - ??? - CALLED BY Borland C++ 3.0 DPMILOAD.EXE AX = FB42h BX = 0081h ??? Return: AX = ??? ??? --------E-2FFB42BX1001----------------------- INT 2F U - Borland RTM.EXE 1.0 - INSTALLATION CHECK??? AX = FB42h BX = 1001h Return: BX = 0000h SeeAlso: AX=FB42h/BX=0001h,AX=FB42h/BX=1002h,AX=FB42h/BX=1003h --------E-2FFB42BX1002----------------------- INT 2F U - Borland RTM.EXE 1.0 - EXECUTE COMPILED PROGRAM AX = FB42h BX = 1002h DX = 0014h ??? ??? Return: AX = nonzero if successful AH = child program exit method??? (usually 4Ch) AL = child program exit code (Errorlevel) AX = 0000h on load error DX = error code (0000h-0027h) (see #3886) SeeAlso: AX=FB42h/BX=1001h (Table 3886) Values for RTM.EXE error code: 01h out of memory 02h out of selectors 03h out of internal tables 10h internal error 18h internal error 1Ah internal error 1Bh internal error 1Ch internal error 20h invalid dynamic link 21h internal error 22h unable to open file 23h invalid .EXE format 24h wrong version 25h unable to initialize 26h DLL initialization error other unrecognized error --------E-2FFB42BX1003----------------------- INT 2F U - Borland RTM.EXE 1.0 - ??? AX = FB42h BX = 1003h ??? Return: ??? SeeAlso: AX=FB42h/BX=1001h --------E-2FFB43----------------------------- INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - NULL FUNCTION AX = FB43h BX = subfunction (at least 0000h-000Eh) Notes: this function is only present in protected mode; it does nothing but an immediate IRET DPMILOAD.EXE itself calls various subfunctions: subfunction 0004h is called with CX=selector of ???, DI=selector of DPMILOAD data subfunction 0008h is called with CX=selector of DPMILOAD data SeeAlso: AX=FB42h/BX=0001h --------G-2FFB43BX0100----------------------- INT 2F PU - Borland TDX - INSTALLATION CHECK AX = FB43h BX = 0100h Return: BX = FB43h if loaded Program: TDX is Borland's Turbo Debugger variant for DPMI programs Note: Borland Pascal 7 DPMI programs use this call to check whether they should install their own stack and general protection exception handlers, or allow TDX to handle those exceptions --------a-2FFB64----------------------------- INT 2F U - AutoBraille v1.1A - GET ??? AX = FB64h Return: AX = ??? (0006h seen) Program: AutoBraille is a shareware text-to-braille converter by KANSYS, Inc. --------E-2FFBA1BX0081----------------------- INT 2F U - TKERNEL (Borland DOS extender) - INSTALLATION CHECK AX = FBA1h BX = 0081h ES:DI -> 16-byte buffer Return: if installed, first four bytes of ES:DI buffer are "IABH" Program: TKERNEL is a licensed version of AI Architects/Ergo's OS/x86. Note: TKERNEL was present only in Borland C++ 2.0; with version 3.0, the DOS extender was moved into DPMILOAD. SeeAlso: AH=A1h,AX=F100h,AX=FBA1h/BX=0082h,AX=FBA1h/BX=0084h,INT 15/AX=BF02h SeeAlso: INT 21/AX=4403h"AI Architects" --------E-2FFBA1BX0082----------------------- INT 2F U - TKERNEL (Borland DOS extender) - GET ENTRY POINT AX = FBA1h BX = 0082h ES:DI -> response buffer (see #2806) Return: ES:DI buffer filled SeeAlso: AX=FBA1h/BX=0081h,AX=FBA1h/BX=0084h Format of TKERNEL response buffer: Offset Size Description (Table 2806) 00h 4 BYTEs signature "IABH" 04h DWORD pointer to FAR extender entry point (see #2807) (Table 2807) Call TKERNEL entry point with: AX = function number 0000h initialize??? STACK: WORD ??? Return: AX = status??? STACK unchanged 0001h get version??? Return: AX = 0200h for v2.0.34 0002h get ??? Return: AX = ??? (011Eh or 0182h seen) 0003h load protected-mode executable STACK: DWORD -> ASCIZ filename of executable DWORD ??? DWORD -> program arguments (counted string plus CR) DWORD -> environment for protected-mode executable (terminated with two consecutive NULs) DWORD -> WORD buffer for ??? Return: AX = status??? STACK unchanged 0004h get descriptor STACK: WORD selector for which to get descriptor WORD segment number (when running in real mode) DWORD -> buffer for descriptor Return: CF clear if successful buffer filled CF set on error AX destroyed??? STACK unchanged 0005h ??? STACK: WORD selector for ??? WORD subfunction number??? 0000h run previously-loaded program??? 0001h ??? (similar to 0000h) 0002h 0003h 0005h ??? (similar to 0000h and 0001h) Return: AX = status??? STACK unchanged 0006h ??? STACK: WORD ??? DWORD -> WORD (call) max iterations of ??? (ret) remaining iterations Return: AX = ??? STACK unchanged 0007h unused Return: AX = 0001h 0008h unused Return: AX = 0001h 0009h copy protected-mode memory into conventional memory STACK: WORD selector for source segment WORD segment of source if in real mode??? DWORD offset of source WORD number of bytes to copy DWORD -> low-memory destination Return: AX = status STACK unchanged 000Ah copy conventional memory into protected-mode memory STACK: WORD selector for destination segment WORD segment of destination if in real mode??? DWORD offset of destination WORD number of bytes to copy DWORD -> low-memory source Return: AX = status STACK unchanged 000Bh get ??? pointers STACK: WORD desired pointer 0000h get ??? 0002h get protected-mode CR3 0003h get 4K page table buffer pointer else Return: DX:AX = FFFFh:FFFFh Return: DX:AX = requested pointer STACK unchanged 000Ch set ??? pointers STACK: WORD desired pointer 0000h set ??? 0002h set protected-mode CR3 0003h set 4K page table buffer pointer else ignore DWORD new value for pointer Return: STACK unchanged 000Dh get ??? pointers STACK: WORD desired pointer 0000h get ??? 0001h get ??? 0002h get ??? 0003h get ??? 0004h get ??? 0005h get ??? 0006h get ??? 0007h get ??? else Return: DX:AX = FFFFh:FFFFh Return: DX:AX = desired pointer STACK unchanged 000Eh set ??? pointer STACK: WORD desired pointer 0000h set ??? 0001h set ??? 0002h set ??? 0003h set ??? 0004h set ??? 0005h set ??? 0006h set ??? 0007h set ??? else Return: DX:AX = FFFFh:FFFFh Return: STACK unchanged 000Fh get ??? Return: AX = ??? (seen 0008h) 0010h get ??? Return: AX = ??? 0011h determine whether selector is valid STACK: WORD possible selector Return: AX = selector or 0000h if invalid STACK unchanged 0012h get physical address STACK: WORD selector for desired segment WORD segment number if in real mode DWORD offset within segment Return: DX:AX = 32-bit physical address or 00000000h on error BX destroyed STACK unchanged 0013h ??? Note: normally jumps to code for function 0012h 0014h copy protected-mode memory to conventional memory, with ??? STACK: WORD selector for source segment WORD segment of source if in real mode??? DWORD offset of source WORD number of bytes to copy DWORD -> low-memory destination Return: AX = status??? STACK unchanged 0015h copy conventional memory to protected-mode memory, with ??? STACK: WORD selector for destination segment WORD segment of destination if in real mode??? DWORD offset of destination WORD number of bytes to copy DWORD -> low-memory source Return: AX = status??? STACK unchanged 0016h set ??? pointer STACK: WORD unused DWORD -> ??? or 0000h:0000h Return: AX = 0000h STACK unchanged 0017h allocate real-mode procedure??? STACK: DWORD ASCIZ name of procedure DWORD ??? DWORD address of subroutine to invoke Return: AX = status 0032h procedure by that name exists 0033h no more real-mode procedures available DX destroyed STACK unchanged 0018h unused Return: AX = 0001h 0019h get parameter block Return: DX:AX -> parameter block (format unknown at this time, but 92h bytes) (preceded by signature "!!PARAM-BLOCK!!") 001Ah get ??? Return: AX = ??? (0148h seen) 001Bh free real-mode procedure??? STACK: DWORD -> ASCIZ name of procedure Return: ??? STACK unchanged 001Ch check whether packets from protected mode task pending Return: AX = 0001h if packets pending, 0000h if not 001Dh set ??? STACK: DWORD ??? or 0000h:0000h Return: AX,BX destroyed STACK unchanged 001Eh ??? STACK: WORD ??? (high byte ignored) DWORD -> data structure (below) Return: AX,BX,CX,DX destroyed data structure updated STACK unchanged Format of data structure: Offset Size Description 00h 2 BYTEs unused 02h WORD ??? 04h WORD ??? 06h WORD ??? 08h 2 BYTEs unused 0Ah WORD ??? 0Ch WORD (call) ??? (ret) offset of this data structure (BUG?) 001Fh set ??? STACK: WORD ??? (set to 0001h if zero) Return: AX destroyed STACK unchanged 0020h ??? STACK: DWORD -> ??? (8 bytes of data) Return: AX = ??? STACK unchanged 0021h ??? STACK: DWORD -> ??? (8 bytes of data) WORD ??? WORD ??? Return: AX = ??? STACK unchanged 0022h ??? STACK: DWORD -> ??? (8 bytes of data) DWORD -> 4-byte buffer for results Return: AX = ??? STACK unchanged 0023h ??? STACK: DWORD -> ??? (8 bytes of data) Return: AX = ??? STACK unchanged 0024h set ??? STACK: WORD ??? Return: AX destroyed STACK unchanged 0025h get ??? Return: AX = ??? (value set with func 0024h) 0026h BUG: jumps to hyperspace due to fencepost error FFFFh set DOS memory management functions BX:SI -> FAR routine for allocating DOS memory (called with AH=48h,BX=number of paragraphs to alloc; returns CF clear, AX=segment of allocated memory, or CF set on error) CX:DI -> FAR routine for freeing DOS memory (called with AH=49h,ES=segment of block to free; returns CF set on error, AX=error code) Note: each of these pointers normally points at INT 21/RETF other Return: AX = 0001h Note: BX may be destroyed by any of the API calls --------E-2FFBA1BX0084----------------------- INT 2F U - TKERNEL (Borland DOS extender) - UNINSTALL AX = FBA1h BX = 0084h ES:DI -> response buffer (see #2808) Return: ES:DI buffer filled SeeAlso: AX=FBA1h/BX=0081h,AX=FBA1h/BX=0084h Format of TKERNEL response buffer: Offset Size Description (Table 2808) 00h 4 BYTEs signature "IABH" 04h WORD success indicator 0001h failed (INT 2F hooked by another program) unchanged if successful 06h WORD segment of ??? 08h WORD segment of ??? memory block to free if nonzero 0Ah WORD segment of ??? memory block to free if nonzero --------s-2FFBFBES0000----------------------- INT 2F U - SoundBlaster speech driver - INSTALLATION CHECK AX = FBFBh ES = 0000h Return: ES nonzero if installed ES:BX -> entry point data structure (see #2809) SeeAlso: INT 80/BX=0000h,INT F3"SoundBlaster" Format of SoundBlaster entry point data structure: Offset Size Description (Table 2809) 00h 3 BYTEs signature "FB " 03h BYTE driver major version number??? 04h DWORD speech driver entry point (see #2810) 08h 24 BYTEs ??? 20h ? BYTEs data buffer for calling speech driver (can be 117 bytes or more) (Table 2810) Call SoundBlaster speech driver entry point with: AL = function 07h speak a string data buffer (see #2809) contains: BYTE length of string N BYTEs string to speak --------K-2FFD12----------------------------- INT 2F - KS/KEYSTKCT.EXE - INSTALLATION CHECK AX = FD12h Return: AX = 0093h if installed ES = resident code segment ES:CX -> internal "putbuf" routine Program: KS/KEYSTKCT.EXE is a key stacking utility (4DOS KEYSTACK.SYS look-alike) by Martin Gerdes, published in c't 11/1991, which can be loaded as a device driver or as a TSR. It does not emulate 4DOS KSTACK API Note: the default buffer size is 128 keys --------N-2FFE00BX4454----------------------- INT 2F - PC-NFS ??? - INSTALLATION CHECK AX = FE00h BX = 4454h ("DT") CX = 4B52h ("KR") DX = 4E4Dh ("NM") Return: AL = FFh if installed BX = 524Eh ("RM") CX = 4D44h ("MD") DX = 544Bh ("TK") Note: DV/X 1.10 DVPCNFS.DVR searches AH=FEh,FFh,C0h-FDh for a valid response SeeAlso: AX=FE08h --------N-2FFE00BX4454----------------------- INT 2F - PC-NFS ??? - INSTALLATION CHECK AX = FE00h BX = 4454h ("DT") CX = 4B52h ("KR") DX = 544Dh ("TM") Return: AL = FFh if installed BX = 5254h ("RT") CX = 4D44h ("MD") DX = 544Bh ("TK") Note: DV/X 1.10 DVPCNFS.DVR searches AH=FEh,FFh,C0h-FDh for a valid response SeeAlso: AX=FE08h --------U-2FFE00DI4E55----------------------- INT 2F U - NORTON UTILITIES 5.0+ TSRs - INSTALLATION CHECK/STATUS REPORT AX = FE00h DI = 4E55h ("NU") SI = TSR identifier (see #2811) Return: SI = TSR reply lowercase version of SI on entry (i.e. SI ORed with 2020h) execpt SMARTCAN v8.0, which returns SI=6673h ('fs') AH = status 00h installed but disabled internally 01h installed and enabled AL = installed product 00h NCACHE-x or DISKREET 01h SPEEDRV / FILESAVE / EP / DISKMON v6+ installed 02h NCACHE2 / SMARTCAN 45h DISKMON v5 installed BX = length of *.INI file (DISKMON and FILESAVE/EP/SMARTCAN only) (see #2812,#2813) CX = segment of resident portion FFFFh if completely loaded high (NCACHE) DI may be destroyed ---FILESAVE/EP--- DL = ??? (apparently always 00h) ---DISKMON--- DX = ??? (apparently always 1AE6h [v5] / 1B86h [v6] / 1C26h [v7]) Notes: the value returned in CX is incorrect for NCACHE 6.00 all Norton Caches install as SMARTAAR drivers like SMARTDRV v3 NCACHE2 and SPEEDRV both support the SMARTDRV v4+ installation check to detect Diskreet NDisk drives use CDS/DPB (see INT 21/AH=52h) SeeAlso: AX=4A10h/BX=0000h,AX=FE01h,AX=FE02h,AX=FE03h,AX=FE04h,AX=FE05h SeeAlso: INT 21/AX=4402h"SMARTDRV" (Table 2811) Values for Norton Utilities TSR identifier: 4346h ("CF") NCACHE-F (v5) / NCACHE (v6) / NCACHE2 (v7+) / SPEEDRV 4353h ("CS") NCACHE-S (v5 only) 4443h ("DC") DISKREET 444Dh ("DM") DISKMON 4653h ("FS") FILESAVE (v5) / EP (v6) / SMARTCAN (v7+) Format of DISKMON.INI file: Offset Size Description (Table 2812) -6Ch 108 BYTEs (in memory copy only) list of filenames which are always protected: IBMBIO.COM/IBMDOS.COM, IO.SYS/MSDOS.SYS, TBIOS.SYS/TDOS.SYS, MIO.SYS/IO.BIN, COMMAND.COM 00h BYTE ??? always 01h 01h BYTE disk light (00h off, 01h on) 02h BYTE disk protection (00h off, 01h on) 03h BYTE protected areas 01h system area 02h files 03h system area and files 04h entire disk 04h BYTE floppy access (00h not allowed, 01h allowed) 05h 27 BYTEs filename extension list (9 entries) (lowercase, blank padded or = 000000h) 20h 240 BYTEs filename list (20 entries) (lowercase, name and extension blank padded, with '.') Note: CX:0508h -> copy in installed TSR (v5) CX:052Fh -> copy in installed TSR (v6) CX:04E0h -> copy in installed TSR (v7-v8) Format of FILESAVE.INI / EP.INI / SMARTCAN.INI file: Offset Size Description (Table 2813) 00h 26 BITs drive list (bit set: file protection on, cleared: off): 00h BYTE drives A: - H: 01h BYTE drives I: - P: 02h BYTE drives Q: - X: 03h BYTE drives Y: - Z: 04h BYTE which files to protect 00h all files 01h all files with extension in list 02h all files except those with extension in list 05h 27 BYTEs filename extension list (9 entries, uppercase, ASCIZ) 20h BYTE include files with archive bit clear (00h no, 01h yes) 21h WORD number of days after which files are purged (0 = never) 23h WORD max kilobytes of erased file space to hold (0 = all) Note: CX:03D2h -> copy in installed TSR (v5) CX:03F5h -> copy in installed TSR (v6) CX:0434h -> copy in installed TSR (v7-v8) --------U-2FFE00DX474F----------------------- INT 2F - GO! v3.22+ - API AX = FE00h DX = 474Fh ('GO') SI = function number 0063h (BCD for '?') installation check 0078h (BCD for 'N') non-registered search (two levels only) 0082h (BCD for 'R') reserved for registered version 0083h (BCD for 'S') reserved for registered version 0085h (BCD for 'U') uninstall BX:CX -> buffer (for search functions) buffer filled with search spec, i.e. "APL" to get first directory containing the substring APL, ":\APL" to find the first top-level directory beginning with the letters APL Return: BX:CX buffer filled with result (search functions only) result is counted ASCIZ directory name, empty string if no matches (i.e. first byte is length of name, followed by name) Program: GO! is a shareware directory locator TSR by Steve Ryckman Note: the application-supplied buffer for the requests and results which BX:CX points at must lie outside the conventional (low-640K) memory, since the TSR swaps memory on pop-up; a common location is the last 96 bytes of the video memory or a UMB --------U-2FFE01DI4E55----------------------- INT 2F U - NORTON UTILITIES 5.0+ TSRs - ENABLE AX = FE01h DI = 4E55h ("NU") SI = TSR identifier (see #2811) Return: SI = TSR reply (lowercase version of entry SI, i.e. SI OR 2020h) AX = status 0002h successful (DISKMON, FILESAVE, EP) FE00h successful (NCACHE-x, DISKREET) Notes: if the enable/disable calls are used on DISKMON or NCACHE-x, the status report generated by the programs still indicates the previous state, and DISKMON.INI is not updated apparently has no effect on DISKREET SeeAlso: AX=FE00h,AX=FE02h --------U-2FFE02DI4E55----------------------- INT 2F U - NORTON UTILITIES 5.0+ TSRs - DISABLE AX = FE02h DI = 4E55h ("NU") SI = TSR identifier (see #2811) Return: SI = TSR reply (lowercase version of entry SI, i.e. SI OR 2020h) AX = status 0004h successful (DISKMON, FILESAVE) FE00h successful (NCACHE-x, DISKREET) Notes: (see also AX=FE01h) this function appears to be unsafe, as the cache buffers are not flushed SeeAlso: AX=FE00h,AX=FE01h --------U-2FFE03DI4E55----------------------- INT 2F U - NORTON UTILITIES 5.0+ TSRs - FLUSH BUFFERS AX = FE03h DI = 4E55h ("NU") SI = TSR identifier (see #2811) Return: SI = TSR reply (lowercase version of entry SI, i.e. SI OR 2020h) AX = status 0006h successful??? Notes: only supported by DISKMON, FILESAVE, and NCACHE-x useful for flushing NCACHE before rebooting SeeAlso: AX=FE00h,AX=FE10h --------U-2FFE04DI4E55----------------------- INT 2F U - NORTON UTILITIES 5.0+ DISKMON, FILESAVE / EP - internal - ??? AX = FE04h DI = 4E55h ("NU") SI = TSR identifier (see #2811) Return: SI = TSR reply (lowercase version of entry SI, i.e. SI or 2020h) AX = status 0008h successful??? SeeAlso: AX=FE00h --------U-2FFE05DI4E55----------------------- INT 2F U - NORTON UTILITIES 5.0+ DISKMON, FILESAVE / EP - internal - ??? AX = FE05h DI = 4E55h ("NU") SI = TSR identifier (see #2811) Return: SI = TSR reply (lowercase version of entry SI, i.e. SI or 2020h) AX = status 000Ah successful??? Note: reportedly dangerous SeeAlso: AX=FE00h --------N-2FFE08----------------------------- INT 2F - PC-NFS ??? - GET ??? AX = FE08h Return: ES:BX -> ??? Notes: DV/X 1.10 DVPCNFS.DVR searches AH=FEh,FFh,C0h-FDh for a valid response both the driver responding to AX=FE00h/DX=4E4Dh and the one responding to AX=FE00h/DX=544Dh support this function SeeAlso: AX=FE00h/BX=4454h --------U-2FFE10DI4E55----------------------- INT 2F U - NORTON UTILITIES 6.0 NCACHE - REBOOT AX = FE10h DI = 4E55h ("NU") SI = TSR identifier (see #2811) Return: SI = TSR reply (lowercase version of entry SI, i.e. SI or 2020h) AX = status Note: probably used to flush NCACHE buffers and reboot when Ctrl-Alt-Del is detected SeeAlso: AX=FE03h --------S-2FFEEF----------------------------- INT 2F - RTS Control TSR - INSTALLATION CHECK AX = FEEFh Return: AX = EFFEh if installed BX = port address Program: RTS Control TSR is a utility by Michal Szokolo to lower the RTS signal on a COM port during disk accesses to avoid losing incoming data --------N-2FFF00----------------------------- INT 2F - Topware Network Operating System - INSTALLATION CHECK AX = FF00h Return: AL = status 00h not installed, OK to install 01h not installed, not OK to install FFh installed SeeAlso: AX=FF01h,AX=FF02h,AX=FF10h,INT 21/AX=FF00h"Topware",INT 7A"Topware" --------N-2FFF01----------------------------- INT 2F - Topware Network Operating System - GET VERSION AX = FF01h Return: AX = version SeeAlso: AX=FF00h,AX=FF02h --------N-2FFF02----------------------------- INT 2F - TopWare Network OS v5.10+ - GET TopNet VERSION STRING AX = FF02h Return: ES:BX -> version string SeeAlso: AX=FF00h,AX=FF01h --------N-2FFF10----------------------------- INT 2F - TopWare Network OS v5.10+ - TopTerm - INSTALLATION CHECK AX = FF10h Return: AL = status (00h not installed, 01h installed) SeeAlso: AX=FF00h,AX=FF11h,AX=FF12h,AX=FF13h --------N-2FFF11----------------------------- INT 2F - TopWare Network OS v5.10+ - TopTerm - ENABLE KEYBOARD SERVICE AX = FF11h Note: this function is only available on workstations, not on the server SeeAlso: AX=FF10h,AX=FF12h --------N-2FFF12----------------------------- INT 2F - TopWare Network OS v5.10+ - TopTerm - DISABLE KEYBOARD SERVICE AX = FF12h Note: this function is only available on workstations, not on the server SeeAlso: AX=FF10h,AX=FF11h --------N-2FFF13----------------------------- INT 2F - TopWare Network OS v5.10+ - TopTerm - SET INSTALLATION FLAG AX = FF13h CL = new state (00h off, 01h on) SeeAlso: AX=FF10h --------N-2FFF14----------------------------- INT 2F - TopWare Network OS v5.10+ - START BACKGROUND RECEIVE VIDEO DATA AX = FF14h Note: this function is only available on workstations, not on the server SeeAlso: AX=FF10h,AX=FF15h --------N-2FFF15----------------------------- INT 2F - TopWare Network OS v5.10+ - END BACKGROUND RECEIVE VIDEO DATA AX = FF15h Note: this function is only available on workstations, not on the server SeeAlso: AX=FF10h,AX=FF14h --------N-2FFF16----------------------------- INT 2F - TopWare Network OS v5.10+ - SET CONTROL NUMBER OF "SHOW" SCREEN AX = FF16h BL = which to set (00h TopShow, FFh TopTerm) CX = destination screen 0000h all stations 0000h-00FFh (TopTerm only) send to group CL 8001h-80FEh send to station CL SeeAlso: AX=FF18h --------N-2FFF18----------------------------- INT 2F - TopWare Network OS v5.10+ - SEND FULL SCREEN OF DATA FOR TopShow AX = FF18h SeeAlso: AX=FF00h,AX=FF16h,AX=FF27h --------N-2FFF23----------------------------- INT 2F - TopWare Network OS v5.10+ - CLOSE SPOOL FILES AND START PRINTING AX = FF23h SeeAlso: AX=FF00h --------N-2FFF27----------------------------- INT 2F - TopWare Network OS v5.10+ - GET "SHOW" TYPE AX = FF27h Return: AL = type (00h complete version, 01h simple version) BL = "show" functions flag (00h disabled, 01h enabled) SeeAlso: AX=FF16h,AX=FF18h --------D-30--------------------------------- INT 30 - (NOT A VECTOR!) - DOS 1+ - FAR JMP instruction for CP/M-style calls the CALL 5 entry point does a FAR jump to here Note: under DOS 2+, the instruction at PSP:0005 points two bytes too low in memory SeeAlso: INT 21/AH=26h --------V-30--------------------------------- INT 30 - QRIP/TSR - USED BY GRAPHICS LIBRARY Program: QRIP/TSR is a shareware TSR by Shane Hathaway implementing the Remote Imaging Protocol (RIP, RIPscrip) used by several BBS systems to provide a graphical user interface SeeAlso: INT 2F/AX=ACF0h --------W-30--------------------------------- INT 30 P - MS Windows 3.1+ - PROTECTED-MODE CALLBACK SeeAlso: INT 20"Windows" --------D-31--------------------------------- INT 31 - overwritten by CP/M jump instruction in INT 30 --------v-31--------------------------------- INT 31 - VIRUS - "Vacsina" series - INSTALLATION CHECK (NOT A VECTOR!) Note: if one of the Vacsina viruses is resident, the low byte of this interrupt still contains the last byte of the INT 30 CP/M JMP instruction, but the remaining three bytes are 7Fh 39h followed by the Vacsina version number SeeAlso: INT 21/AX=FFFFh"VIRUS",INT 32"VIRUS" --------E-310000----------------------------- INT 31 P - DPMI 0.9+ - ALLOCATE LDT DESCRIPTORS AX = 0000h CX = number of descriptors to allocate Return: CF clear if successful AX = base selector CF set on error AX = error code (DPMI 1.0+) (see #2814) Notes: DPMI is the DOS Protected-Mode Interface the base and limit of the returned descriptors will be 0, and the type will be "data" add the value returned by INT 31/AX=0003h to move to subsequent descriptors if multiple descriptors were allocated not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0001h,AX=000Dh,INT 21/AX=3501h (Table 2814) Values for DPMI 1.0 error code: 0000h-7FFFh DOS error passed through by DPMI 8001h unsupported function 8002h object in wrong state for function 8003h system integrity would be endangered 8004h deadlock detected 8005h pending serialization request cancelled 8010h out of DPMI internal resources 8011h descriptor unavailable 8012h linear memory unavailable 8013h physical memory unavailable 8014h backing store unavailable 8015h callback unavailable 8016h handle unavailable 8017h maximum lock count exceeded 8018h shared memory already serialized exclusively by another 8019h shared memory already serialized shared by another client 8021h invalid value for numeric or flag parameter 8022h invalid segment selector 8023h invalid handle 8024h invalid callback 8025h invalid linear address 8026h request not supported by hardware --------E-310001----------------------------- INT 31 P - DPMI 0.9+ - FREE LDT DESCRIPTOR AX = 0001h BX = selector to free Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8022h) (see #2814) Notes: only one descriptor is freed per call the program's initial CS, DS, and SS descriptors may be freed (DPMI 1.0+) any segment registers containing the freed selector are set to 0000h not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0000h,AX=000Ah,AX=000Dh,INT 21/AX=3502h --------E-310002----------------------------- INT 31 P - DPMI 0.9+ - SEGMENT TO DESCRIPTOR AX = 0002h BX = real mode segment Return: CF clear if successful AX = selector corresponding to real mode segment (64K limit) CF set on error AX = error code (DPMI 1.0+) (8011h) (see #2814) Notes: multiple calls for the same real mode segment return the same selector the returned descriptor can never be modified or freed not supported by MS Windows 3.0 in Standard mode --------E-310003----------------------------- INT 31 P - DPMI 0.9+ - GET NEXT SELECTOR INCREMENT VALUE AX = 0003h Return: CF clear AX = value to add to get next sequential selector Notes: the increment will be a power of two not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0000h --------E-310004----------------------------- INT 31 P - DPMI 0.9+ - LOCK SELECTOR AX = 0004h BX = selector to lock (prevent paging) Return: ??? Note: although marked as reserved in versions 0.9 and 1.0 of the DPMI specification, this function is called by MS Windows TASKMAN, PROGMAN, and KERNEL SeeAlso: AX=0005h,AX=0600h --------E-310005----------------------------- INT 31 P - DPMI 0.9+ - UNLOCK SELECTOR AX = 0005h BX = selector to unlock (permit paging) Return: ??? Note: although marked as reserved in versions 0.9 and 1.0 of the DPMI specification, this function is called by MS Windows TASKMAN, PROGMAN, and KERNEL SeeAlso: AX=0004h,AX=0601h --------E-310006----------------------------- INT 31 P - DPMI 0.9+ - GET SEGMENT BASE ADDRESS AX = 0006h BX = selector Return: CF clear if successful CX:DX = linear base address of segment CF set on error AX = error code (DPMI 1.0+) (8022h) (see #2814) Note: not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0007h,INT 21/AX=3504h --------E-310007----------------------------- INT 31 P - DPMI 0.9+ - SET SEGMENT BASE ADDRESS AX = 0007h BX = selector CX:DX = linear base address Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8022h,8025h) (see #2814) Notes: only modify descriptors allocated with INT 31/AX=0000h only the low 24 bits of the address will be used by 16-bit DPMI implementations even on a 386 or higher DPMI 1.0+ automatically reloads any segment registers containing the selector being modified not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0006h,AX=0008h,AX=0009h,AX=000Ch,INT 21/AX=3503h SeeAlso: INT 21/AH=E9h"OS/286",INT 2C/AX=0002h --------E-310008----------------------------- INT 31 P - DPMI 0.9+ - SET SEGMENT LIMIT AX = 0008h BX = selector CX:DX = segment limit Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8021h,8022h,8025h) (see #2814) Notes: CX must be zero for 16-bit DPMI implementations limits greater than 1MB must be page aligned (low 12 bits set) only modify descriptors allocated with INT 31/AX=0000h DPMI 1.0+ automatically reloads any segment registers containing the selector being modified not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0007h,AX=0009h,AX=000Ch,INT 21/AX=3505h,INT 21/AH=E9h"OS/286" SeeAlso: INT 2C/AX=0003h,#0427 at INT 15/AH=89h --------E-310009----------------------------- INT 31 P - DPMI 0.9+ - SET DESCRIPTOR ACCESS RIGHTS AX = 0009h BX = selector CL = access rights/type byte (see #0428 at INT 15/AH=89h) CH = 80386 extended rights/type byte (see #0429 at INT 15/AH=89h) (32-bit DPMI implementations only) Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8021h,8022h,8025h) (see #2814) Notes: if the Present bit is clear, CL bits 0-3 may have any value DPMI 1.0+ automatically reloads any segment registers containing the selector being modified not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0007h,AX=0008h,AX=000Ch,INT 21/AX=2514h,INT 2C/AX=0004h SeeAlso: INT 2C/AX=0005h --------E-31000A----------------------------- INT 31 P - DPMI 0.9+ - CREATE ALIAS DESCRIPTOR AX = 000Ah BX = selector Return: CF clear if successful AX = new data selector CF set on error AX = error code (DPMI 1.0+) (8011h,8022h) (see #2814) Notes: fails if selector in BX is not a code segment or is invalid use INT 31/AX=0001h to free new selector future changes to the original selector will not be reflected in the returned alias selector not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0001h --------E-31000B----------------------------- INT 31 P - DPMI 0.9+ - GET DESCRIPTOR AX = 000Bh BX = LDT selector ES:(E)DI -> 8-byte buffer for copy of descriptor Return: CF clear if successful buffer filled CF set on error AX = error code (DPMI 1.0+) (8022h) (see #2814) Notes: 16-bit programs use ES:DI as pointer, 32-bit must use ES:EDI not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=000Ch --------E-31000C----------------------------- INT 31 P - DPMI 0.9+ - SET DESCRIPTOR AX = 000Ch BX = LDT selector ES:(E)DI -> 8-byte buffer containing descriptor Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8021h,8022h,8025h) (see #2814) Notes: 16-bit programs use ES:DI as pointer, 32-bit must use ES:EDI only modify descriptors allocated with INT 31/AX=0000h DPMI 1.0+ automatically reloads any segment registers containing the selector being modified not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=000Bh --------E-31000D----------------------------- INT 31 P - DPMI 0.9+ - ALLOCATE SPECIFIC LDT DESCRIPTOR AX = 000Dh BX = LDT selector Return: CF clear if successful descriptor allocated CF set on error AX = error code (DPMI 1.0+) (8011h,8022h) (see #2814) Notes: free descriptor with INT 31/AX=0001h the first 16 descriptors (04h-7Ch) are reserved for this function, but some may already be in use by other applications under DPMI 0.9; DPMI 1.0 guarantees 16 descriptors per client not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0000h,AX=0001h --------E-31000E----------------------------- INT 31 P - DPMI 1.0+ - GET MULTIPLE DESCRIPTORS AX = 000Eh CX = number of descriptors to copy ES:(E)DI -> descriptor buffer (see #2815) Return: CF clear if successful descriptors copied CF set on error AX = error code (8022h) (see #2814) CX = number of descriptors successfully copied Notes: 16-bit programs use ES:DI as pointer, 32-bit must use ES:EDI if the function fails, the first CX descriptors are valid; the remainder are not modified SeeAlso: AX=000Bh,AX=000Fh Format of DPMI descriptor buffer entry (one per descriptor to get): Offset Size Description (Table 2815) 00h WORD selector (set by client) 02h QWORD descriptor (set by host) --------E-31000F----------------------------- INT 31 P - DPMI 1.0+ - SET MULTIPLE DESCRIPTORS AX = 000Fh CX = number of descriptors to copy ES:(E)DI -> descriptor buffer (see #2816) Return: CF clear if successful descriptors copied CF set on error AX = error code (8021h,8022h,8025h) (see #2814) CX = number of descriptors successfully copied Notes: 16-bit programs use ES:DI as pointer, 32-bit must use ES:EDI if the function fails, the first CX descriptors are valid; the remainder are not modified DPMI 1.0+ automatically reloads any segment registers containing a selector being modified SeeAlso: AX=000Ch,AX=000Eh Format of DPMI descriptor buffer entry (one per descriptor to set): Offset Size Description (Table 2816) 00h WORD selector 02h QWORD descriptor --------E-310100----------------------------- INT 31 P - DPMI 0.9+ - ALLOCATE DOS MEMORY BLOCK AX = 0100h BX = number of paragraphs to allocate Return: CF clear if successful AX = real mode segment of allocated block DX = first selector for allocated block CF set on error AX = DOS error code (07h,08h) (see #1366 at INT 21/AH=59h/BX=0000h) (DPMI 1.0+) DPMI error code (8011h) (see #2814) BX = size (in paragraphs) of largest available block Notes: multiple contiguous selectors are allocated for blocks of more than 64K if the caller is a 16-bit program never modify or deallocate returned descriptors not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0101h,AX=0501h --------E-310101----------------------------- INT 31 P - DPMI 0.9+ - FREE DOS MEMORY BLOCK AX = 0101h DX = selector of block Return: CF set if successful CF set on error AX = DOS error code (07h,09h) (see #1366 at INT 21/AH=59h/BX=0000h) Notes: all descriptors allocated for the block are automatically freed DPMI 1.0+ automatically zeros any segment registers containing a selector freed by this function not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0100h,AX=0102h,AX=0502h --------E-310102----------------------------- INT 31 P - DPMI 0.9+ - RESIZE DOS MEMORY BLOCK AX = 0102h BX = new block size in paragraphs DX = selector of block Return: CF clear if successful CF set on error AX = DOS error code (07h,08h,09h) (see #1366 at INT 21/AH=59h/BX=0000h) (DPMI 1.0+) DPMI error code (8011h,8022h) (see #2814) BX = maximum block size (in paragraphs) possible Notes: increasing the size of a block past a 64K boundary will fail if the next descriptor in the LDT is already in use shrinking a block past a 64K boundary will cause some selectors to be freed; DPMI 1.0+ automatically zeros any segment registers containing a selector freed by this function not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0100h --------E-310200----------------------------- INT 31 P - DPMI 0.9+ - GET REAL MODE INTERRUPT VECTOR AX = 0200h BL = interrupt number Return: CF clear CX:DX = segment:offset of real mode interrupt handler Note: the DPMI implementation is required to support all 256 vectors SeeAlso: AX=0201h,AX=0204h,INT 21/AX=2503h --------E-310201----------------------------- INT 31 P - DPMI 0.9+ - SET REAL MODE INTERRUPT VECTOR AX = 0201h BL = interrupt number CX:DX = segment:offset of real mode handler Return: CF clear Note: all memory that may be touched by a hardware interrupt handler must be locked down with INT 31/AX=0600h SeeAlso: AX=0200h,AX=0205h,AX=0600h,INT 21/AX=2505h --------E-310202----------------------------- INT 31 P - DPMI 0.9+ - GET PROCESSOR EXCEPTION HANDLER VECTOR AX = 0202h BL = exception number (00h-1Fh) Return: CF clear if successful CX:(E)DX = selector:offset of handler CF set on error AX = error code (DPMI 1.0+) (8021h) (see #2814) Notes: 16-bit programs receive the pointer in CX:DX, 32-bit programs in CX:EDX DPMI 1.0+ supports this function only for backward compatibility; use AX=0210h or AX=0211h instead not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0203h,AX=0210h,AX=0211h,INT 2F/AX=FB42h/BX=0021h --------E-310203----------------------------- INT 31 P - DPMI 0.9+ - SET PROCESSOR EXCEPTION HANDLER VECTOR AX = 0203h BL = exception number (00h-1Fh) CX:(E)DX = selector:offset of handler Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8021h,8022h) (see #2814) Notes: 32-bit programs must supply an offset in EDX and use a 32-bit interrupt stack frame on chaining to the next exception handler the handler should return using a FAR return all fault stack frames contain an error code, but it is only valid for exceptions 08h and 0Ah-0Eh handlers will only be called if the exception occurs in protected mode, and the DPMI host does not transparently handle the exception the handler may change certain values on the stack frame (see #2817,#2818) DPMI 1.0+ supports this function only for backward compatibility; use AX=0212h or AX=0213h instead not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0202h,AX=0212h,AX=0213h,INT 2F/AX=FB42h/BX=0022h Format of stack frame for 16-bit programs: (offset from SS:SP) Offset Size Description (Table 2817) 00h DWORD return CS:IP (do not change) 04h WORD error code 06h DWORD CS:IP of exception 0Ah WORD flags 0Ch DWORD SS:SP Format of stack frame for 32-bit programs: (offset from SS:ESP) Offset Size Description (Table 2818) 00h DWORD return EIP (do not change) 04h WORD return CS selector (do not change) 06h WORD reserved (do not change) 08h DWORD error code 0Ch DWORD EIP of exception 10h WORD CS selector of exception 12h WORD reserved (do not change) 14h DWORD EFLAGS 18h DWORD ESP 1Ch WORD SS 1Eh WORD reserved (do not change) --------E-310204----------------------------- INT 31 P - DPMI 0.9+ - GET PROTECTED MODE INTERRUPT VECTOR AX = 0204h BL = interrupt number Return: CF clear CX:(E)DX = selector:offset of handler Notes: 16-bit programs use CX:DX, 32-bit programs use CX:EDX DPMI implementations are required to support all 256 vectors not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0200h,AX=0205h,INT 21/AX=2502h,INT 2C/AX=0006h SeeAlso: INT 2F/AX=FB42h/BX=0024h --------E-310205----------------------------- INT 31 P - DPMI 0.9+ - SET PROTECTED MODE INTERRUPT VECTOR AX = 0205h BL = interrupt number CX:(E)DX = selector:offset of handler Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8022h) (see #2814) Notes: 16-bit programs use CX:DX, 32-bit programs use CX:EDX 32-bit programs must use a 32-bit interrupt stack frame when chaining to the next handler DPMI implementations are required to support all 256 vectors hardware interrupts are reflected to the virtual machine's primary client, software interrupts to the current client not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0201h,AX=0204h,INT 21/AX=2504h,INT 2C/AX=0007h SeeAlso: INT 2F/AX=FB42h/BX=0025h --------E-310210----------------------------- INT 31 P - DPMI 1.0+ - GET PROTECTED MODE EXTENDED PROCESSOR EXCEPTION HANDLER AX = 0210h BL = exception number (00h-1Fh) Return: CF clear if successful CX:(E)DX = selector:offset of exception handler CF set on error AX = error code (8021h) (see #2814) Note: DPMI host reflects exception to current client's handler SeeAlso: AX=0202h,AX=0211h,AX=0212h --------E-310211----------------------------- INT 31 P - DPMI 1.0+ - GET REAL MODE EXTENDED PROCESSOR EXCEPTION HANDLER AX = 0211h BL = exception number (00h-1Fh) Return: CF clear if successful CX:(E)DX = selector:offset of exception handler CF set on error AX = error code (8021h) (see #2814) Notes: returns address of protected-mode handler for real-mode exception DPMI host performs a switch to protected mode, reflects the exception to the virtual machine's primary client, and returns to real mode on the handler's completion SeeAlso: AX=0202h,AX=0210h,AX=0213h --------E-310212----------------------------- INT 31 P - DPMI 1.0+ - SET PROTECTED MODE EXTENDED PROCESSOR EXCEPTION HANDLER AX = 0212h BL = exception or fault number (00h-1Fh) CX:(E)DX = exception handler selector:offset Return: CF clear if successful CF set on error AX = error code (8021h,8022h) (see #2814) Note: DPMI host sends exception to current client's handler SeeAlso: AX=0203h,AX=0210h,AX=0213h --------E-310213----------------------------- INT 31 P - DPMI 1.0+ - SET REAL MODE EXTENDED PROCESSOR EXCEPTION HANDLER AX = 0213h BL = exception or fault number (00h-1Fh) CX:(E)DX = exception handler selector:offset Return: CF clear if successful CF set on error AX = error code (8021h,8022h) (see #2814) Notes: specifies address of protected-mode handler for real-mode exception DPMI host performs a switch to protected mode, reflects the exception to the virtual machine's primary client, and returns to real mode on the handler's completion SeeAlso: AX=0203h,AX=0211h,AX=0212h --------E-310300----------------------------- INT 31 P - DPMI 0.9+ - SIMULATE REAL MODE INTERRUPT AX = 0300h BL = interrupt number BH = flags bit 0: reset the interrupt controller and A20 line (DPMI 0.9) reserved, must be 0 (DPMI 1.0+) others: reserved, must be 0 CX = number of words to copy from protected mode to real mode stack ES:(E)DI = selector:offset of real mode call structure (see #2819) Return: CF clear if successful real mode call structure modified (all fields except SS:SP, CS:IP filled with return values from real mode interrupt) CF set on error AX = error code (DPMI 1.0+) (8012h,8013h,8014h,8021h)(see #2814) protected mode stack unchanged Notes: 16-bit programs use ES:DI as pointer, 32-bit programs use ES:EDI CS:IP in the real mode call structure is ignored for this call, instead, the indicated interrupt vector is used for the address the flags in the call structure are pushed on the real mode stack to form an interrupt stack frame, and the trace and interrupt flags are clear on entry to the handler DPMI will provide a small (30 words) real mode stack if SS:SP is zero the real mode handler must return with the stack in the same state as it was on being called SeeAlso: AX=0302h,AX=FF01h,INT 21/AX=2511h,INT 21/AH=E3h"OS/286" SeeAlso: INT 2C/AX=0026h,INT 2F/AX=FB42h/BX=000Dh Format of DPMI real mode call structure: Offset Size Description (Table 2819) 00h DWORD EDI 04h DWORD ESI 08h DWORD EBP 0Ch DWORD reserved (00h) 10h DWORD EBX 14h DWORD EDX 18h DWORD ECX 1Ch DWORD EAX 20h WORD flags 22h WORD ES 24h WORD DS 26h WORD FS 28h WORD GS 2Ah WORD IP 2Ch WORD CS 2Eh WORD SP 30h WORD SS --------E-310301----------------------------- INT 31 P - DPMI 0.9+ - CALL REAL MODE PROCEDURE WITH FAR RETURN FRAME AX = 0301h BH = flags bit 0: reset the interrupt controller and A20 line (DPMI 0.9) reserved, must be 0 (DPMI 1.0+) others: reserved must be 0 CX = number of words to copy from protected mode to real mode stack ES:(E)DI = selector:offset of real mode call structure (see #2819 at INT 31/AX=0300h) Return: CF clear if successful real mode call structure modified (all fields except SS:SP, CS:IP filled with return values from real mode interrupt) CF set on error AX = error code (DPMI 1.0+) (8012h,8013h,8014h,8021h)(see #2814) protected mode stack unchanged Notes: 16-bit programs use ES:DI as pointer, 32-bit programs use ES:EDI the real mode procedure must exit with a FAR return DPMI will provide a small (30 words) real mode stack if SS:SP is zero the real mode handler must return with the stack in the same state as it was on being called SeeAlso: AX=0300h,AX=0302h,AX=FF02h,INT 21/AX=250Eh,INT 21/AH=E1h"OS/286" SeeAlso: INT 2C/AX=0025h --------E-310302----------------------------- INT 31 P - DPMI 0.9+ - CALL REAL MODE PROCEDURE WITH IRET FRAME AX = 0302h BH = flags bit 0: reset the interrupt controller and A20 line (DPMI 0.9) reserved, must be 0 (DPMI 1.0+) others: reserved, must be 0 CX = number of words to copy from protected mode to real mode stack ES:(E)DI = selector:offset of real mode call structure (see #2819 at INT 31/AX=0300h) Return: CF clear if successful real mode call structure modified (all fields except SS:SP, CS:IP filled with return values from real mode interrupt) CF set on error AX = error code (DPMI 1.0+) (8012h,8013h,8014h,8021h)(see #2814) protected mode stack unchanged Notes: 16-bit programs use ES:DI as pointer, 32-bit programs use ES:EDI the flags in the call structure are pushed on the real mode stack to form an interrupt stack frame, and the trace and interrupt flags are clear on entry to the handler the real mode procedure must exit with an IRET DPMI will provide a small (30 words) real mode stack if SS:SP is zero the real mode handler must return with the stack in the same state as it was on being called SeeAlso: AX=0300h --------E-310303----------------------------- INT 31 P - DPMI 0.9+ - ALLOCATE REAL MODE CALLBACK ADDRESS AX = 0303h DS:(E)SI = selector:offset of procedure to call ES:(E)DI = selector:offset of real mode call structure (see #2819) Return: CF clear if successful CX:DX = segment:offset of real mode call address (see #2820) CF set on error AX = error code (DPMI 1.0+) (8015h) (see #2814) Notes: the real mode call structure is static, causing reentrancy problems; its contents are only valid at the time of a callback the called procedure must modify the real mode CS:IP before returning values are returned to real mode by modifying the real mode call struc DPMI hosts must provide at least 16 callbacks per client the limited DPMI host built into Phar Lap's 286|DOS-Extender v2.5 does not support this function SeeAlso: AX=0304h,AX=0C00h (Table 2820) Values DPMI real-mode callback procedure is called with: DS:(E)SI = selector:offset of real mode SS:SP ES:(E)DI = selector:offset of real mode call structure SS:(E)SP = locked protected mode API stack interrupts disabled Return: (with IRET) ES:(E)DI = selector:offset of real mode call structure to restore --------E-310304----------------------------- INT 31 P - DPMI 0.9+ - FREE REAL MODE CALLBACK ADDRESS AX = 0304h CX:DX = real mode callback address Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8024h) (see #2814) Note: the limited DPMI host built into Phar Lap's 286|DOS-Extender v2.5 does not support this function SeeAlso: AX=0303h --------E-310305----------------------------- INT 31 P - DPMI 0.9+ - GET STATE SAVE/RESTORE ADDRESSES AX = 0305h Return: CF clear AX = size in bytes of state buffer BX:CX = real mode address of procedure to save/restore state SI:(E)DI = protected mode procedure to save/restore state (see #2821) Notes: the buffer size will be zero if it is not necessary to preserve state 16-bit programs should call SI:DI, 32-bit programs should call SI:EDI this function is only needed if using the raw mode switch service SeeAlso: AX=0306h (Table 2821) Call DPMI state-save procedures with: AL = direction 00h save state 01h restore state ES:(E)DI -> state buffer Return: all registers preserved --------E-310306----------------------------- INT 31 P - DPMI 0.9+ - GET RAW MODE SWITCH ADDRESSES AX = 0306h Return: CF clear BX:CX -> procedure to switch from real to protected mode (see #2822) SI:(E)DI -> procedure to switch from protected to real mode Notes: 16-bit programs should jump to SI:DI, 32-bit programs should use SI:EDI the caller must save and restore the state of the task with AX=0305h not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0305h (Table 2822) Values to JUMP at mode-switch procedures with: AX = new DS CX = new ES DX = new SS (E)BX = new (E)SP SI:(E)DI = new CS:(E)IP Notes: BP/EBP is preserved across the call, but AX/EAX, BX/EBX, CX/ECX, DX/EDX, SI/ESI, and DI/EDI will be undefined; FS and GS will be 0000h interrupts will stay disabled during the entire mode switch if they are disabled on entry to the mode-switch procedure --------E-310400----------------------------- INT 31 P - DPMI 0.9+ - GET DPMI VERSION AX = 0400h Return: CF clear AH = major version of DPMI spec supported AL = two-digit minor version of DPMI spec supported BX = DPMI host flags (see #2823) CL = processor type (02h=80286, 03h=80386, 04h=80486) DH = curr value of virtual master interrupt controller base interrupt DL = curr value of virtual slave interrupt controller base interrupt BUG: Windows NT versions from the March 1993 beta to at least the Final release with fixes to CSD002 report version 0090h (0.144); this has reportedly been corrected in the Windows NT 3.5 beta SeeAlso: AX=0401h,INT 21/AX=250Ch,INT 2F/AX=1687h,INT 4B/AX=8102h/DX=0000h SeeAlso: INT 67/AX=DE0Ah Bitfields for DPMI host flags: Bit(s) Description (Table 2823) 0 running under an 80386 (32-bit) implementation 1 processor returns to real mode for reflected interrupts instead of V86 mode 2 virtual memory supported 3 reserved (undefined) 4-15 reserved (zero) --------E-310401----------------------------- INT 31 P - DPMI 1.0+ - GET DPMI CAPABILITIES AX = 0401h ES:(E)DI -> 128-byte buffer for host description (see #2824) Return: CF clear if successful AX = capabilities (see #2825) CX = reserved (00h) DX = reserved (00h) buffer filled CF set on error (DPMI 0.9 only) SeeAlso: AX=0400h Format of DPMI host description: Offset Size Description (Table 2824) 00h BYTE host major version number 01h BYTE host minor version number 02h 126 BYTEs ASCIZ host vendor name Bitfields for DPMI capabilities: Bit(s) Description (Table 2825) 0 paged accessed/dirty supported (see AX=0506h,AX=0507h) 1 exceptions restartability supported 2 device mapping supported (see AX=0508h) 3 conventional memory mapping supported (see AX=0509h) 4 demand zero-fill supported 5 write-protect client capability supported 6 write-protect host capability supported 7-15 reserved --------E-310500----------------------------- INT 31 P - DPMI 0.9+ - GET FREE MEMORY INFORMATION AX = 0500h ES:(E)DI -> buffer for memory information (see #2826) Return: CF clear Notes: 16-bit programs use ES:DI, 32-bit programs use ES:EDI this function must be considered advisory because other applications may affect the results at any time after the call fields not supported by the DPMI implementation are filled with FFFFFFFFh DPMI 1.0+ supports this function solely for backward compatibility; use AX=050Bh instead the limited DPMI host built into Phar Lap's 286|DOS-Extender v2.5 only returns the first field in the memory information record SeeAlso: AX=0501h,AX=050Bh,AX=0604h Format of DPMI memory information: Offset Size Description (Table 2826) 00h DWORD largest available block in bytes 04h DWORD maximum unlocked page allocation 08h DWORD maximum locked page allocation 0Ch DWORD total linear address space in pages 10h DWORD total unlocked pages 14h DWORD free pages 18h DWORD total physical pages 1Ch DWORD free linear address space in pages 20h DWORD size of paging file/partition in pages 24h 12 BYTEs reserved --------E-310501----------------------------- INT 31 P - DPMI 0.9+ - ALLOCATE MEMORY BLOCK AX = 0501h BX:CX = size in bytes Return: CF clear if successful BX:CX = linear address of block SI:DI = memory block handle for resizing and freeing block CF set on error AX = error code (DPMI 1.0+) (8012h-8014h,8016h,8021h)(see #2814) Notes: no selectors are allocated the memory block is allocated unlocked (can be locked with AX=0600h) allocations are often page granular (see AX=0604h) under MS Windows 3.10 Enhanced mode with paging enabled, it is possible for this function to fail even if AX=0500h indicates that enough memory is available SeeAlso: AX=0000h,AX=0100h,AX=0500h,AX=0502h,AX=0503h,AX=0504h,AX=0D00h SeeAlso: INT 2F/AX=FB42h/BX=0002h --------E-310502----------------------------- INT 31 P - DPMI 0.9+ - FREE MEMORY BLOCK AX = 0502h SI:DI = handle of memory block Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8023h) (see #2814) Note: any selectors allocated for the memory block must also be freed, preferably before freeing the memory block SeeAlso: AX=0001h,AX=0101h,AX=0501h,AX=0D01h --------E-310503----------------------------- INT 31 P - DPMI 0.9+ - RESIZE MEMORY BLOCK AX = 0503h BX:CX = new size in bytes (nonzero) SI:DI = handle of memory block Return: CF clear if successful BX:CX = new linear address SI:DI = new handle of memory block CF set on error AX = error code (DPMI 1.0+) (8012h-8014h,8016h,8021h,8023h) (see #2814) Notes: any selectors pointing at the block must be updated the previous memory block handle becomes invalid an error is returned if the new size is 0 SeeAlso: AX=0102h,AX=0501h,AX=0505h --------E-310504----------------------------- INT 31 P - DPMI 1.0+ - ALLOCATE LINEAR MEMORY BLOCK AX = 0504h EBX = page-aligned linear address of memory block (00000000h if any address is acceptable) ECX = size in bytes (nonzero) EDX = flags bit 0: set to create committed pages instead of uncommitted pages bits 1-31 reserved (0) Return: CF clear if successful EBX = linear address of memory block ESI = memory block handle CF set on error AX = error code (8001h,8012h-8014h,8016h,8021h,8025h)(see #2814) Note: only supported by 32-bit DPMI hosts, but may be used by 16-bit clients SeeAlso: AX=0501h,AX=0505h --------E-310505----------------------------- INT 31 P - DPMI 1.0+ - RESIZE LINEAR MEMORY BLOCK AX = 0505h ESI = memory block handle ECX = new size in bytes (nonzero) EDX = flags bit 0: create committed pages rather than uncommitted pages bit 1: segment descriptor update required ES:EBX -> buffer containing array of WORDs with selectors EDI = number of selectors in array bits 2-31 reserved (0) Return: CF clear if successful EBX = new linear base address ESI = new memory block handle CF set on error AX = error code (8001h,8012h-8014h,8016h,8021h,8023h)(see #2814) Notes: only supported by 32-bit DPMI hosts, but may be used by 16-bit clients the old memory block handle becomes invalid if EDX bit 1 set and the block's base address is changed, DPMI updates all descriptors for selectors in the update buffer which fall within the memory block SeeAlso: AX=0503h,AX=0504h --------E-310506----------------------------- INT 31 P - DPMI 1.0+ - GET PAGE ATTRIBUTES AX = 0506h ESI = memory block handle EBX = offset in memory block of first page ECX = number of pages ES:EDX -> array of WORDs to hold page attributes (see #2827) Return: CF clear if successful buffer filled CF set on error AX = error code (8001h,8023h,8025h) (see #2814) Notes: only supported by 32-bit DPMI hosts, but may be used by 16-bit clients if EBX is not page-aligned, it will be rounded down SeeAlso: AX=0504h,AX=0507h,INT 21/AX=251Dh,INT 21/AX=EB00h Bitfields for DPMI page attribute word: Bit(s) Description (Table 2827) 0-2 page type 000 uncommitted 001 committed 010 mapped (see AX=0508h,AX=0509h) other currently unused 3 page is read/write rather than read-only 4 accessed/dirty bits supplied in bits 5 and 6 5 page has been accessed (only valid if bit 4 set) 6 page has been written (only valid if bit 4 set) 7-15 reserved (0) --------E-310507----------------------------- INT 31 P - DPMI 1.0+ - MODIFY PAGE ATTRIBUTES AX = 0507h ESI = memory block handle EBX = offset in memory block of first page ECX = number of pages ES:EDX -> array of WORDs with new page attributes (see #2827) Return: CF clear if successful CF set on error AX = error code (8001h,8002h,8013h,8014h,8021h,8023h,8025h) (see #2814) ECX = number of pages which have been set Notes: only supported by 32-bit DPMI hosts, but may be used by 16-bit clients if EBX is not page-aligned, it will be rounded down SeeAlso: AX=0504h,AX=0506h,INT 21/AX=251Eh --------E-310508----------------------------- INT 31 P - DPMI 1.0+ - MAP DEVICE IN MEMORY BLOCK AX = 0508h ESI = memory block handle EBX = page-aligned offset within memory block of page(s) to be mapped ECX = number of pages to map EDX = page-aligned physical address of device Return: CF clear if successful CF set on error AX = error code (8001h,8003h,8023h,8025h) (see #2814) Notes: only supported by 32-bit DPMI hosts, but may be used by 16-bit clients support of this function is optional; hosts are also allowed to support the function for some devices but not others SeeAlso: AX=0504h,AX=0509h,AX=0800h,AX=0801h --------E-310509----------------------------- INT 31 P - DPMI 1.0+ - MAP CONVENTIONAL MEMORY IN MEMORY BLOCK AX = 0509h ESI = memory block handle EBX = page-aligned offset within memory block of page(s) to map ECX = number of pages to map EDX = page-aligned linear address of conventional (below 1M) memory Return: CF clear if successful CF set on error AX = error code (8001h,8003h,8023h,8025h) (see #2814) Notes: only supported by 32-bit DPMI hosts, but may be used by 16-bit clients support of this function is optional SeeAlso: AX=0504h,AX=0508h,AX=0801h --------E-31050A----------------------------- INT 31 P - DPMI 1.0+ - GET MEMORY BLOCK SIZE AND BASE AX = 050Ah SI:DI = memory block handle Return: CF clear if successful SI:DI = size in bytes BX:CX = base address CF set on error AX = error code (8023h) (see #2814) SeeAlso: AX=0501h,AX=0504h --------E-31050B----------------------------- INT 31 P - DPMI 1.0+ - GET MEMORY INFORMATION AX = 050Bh ES:(E)DI -> 128-byte buffer for memory information (see #2828) Return: CF clear if successful CF set on error (DPMI 0.9 only) Note: 16-bit programs use ES:DI, 32-bit programs must use ES:EDI SeeAlso: AX=0500h Format of DPMI memory information: Offset Size Description (Table 2828) 00h DWORD total allocated bytes of physical memory controlled by host 04h DWORD total allocated bytes of virtual memory controlled by host 08h DWORD total available bytes of virtual memory controlled by host 0Ch DWORD total allocated bytes of virtual memory for curr virtual mach 10h DWORD total available bytes of virtual memory for curr virtual mach 14h DWORD total allocated bytes of virtual memory for current client 18h DWORD total available bytes of virtual memory for current client 1Ch DWORD total locked bytes for current client 20h DWORD maximum locked bytes for current client 24h DWORD highest linear address available to current client 28h DWORD largest available memory block in bytes 2Ch DWORD minimum allocation unit in bytes 30h DWORD allocation alignment unit size in bytes 34h 76 BYTEs reserved (00h) --------E-310600----------------------------- INT 31 P - DPMI 0.9+ - LOCK LINEAR REGION AX = 0600h BX:CX = starting linear address SI:DI = size of region in bytes Return: CF clear if successful CF set on error none of the memory is locked AX = error code (DPMI 1.0+) (8013h,8017h,8025h) (see #2814) Notes: pages at beginning and end will be locked if the region overlaps them may be called multiple times for a given page; the DPMI host keeps a lock count for each page SeeAlso: AX=0004h,AX=0601h,INT 21/AX=251Ah,INT 21/AX=EB06h --------E-310601----------------------------- INT 31 P - DPMI 0.9+ - UNLOCK LINEAR REGION AX = 0601h BX:CX = starting linear address SI:DI = size of region in bytes Return: CF clear if successful CF set on error none of the memory is unlocked AX = error code (DPMI 1.0+) (8002h,8025h) (see #2814) Notes: pages at beginning and end will be unlocked if the region overlaps them memory whose lock count has not reached zero remains locked SeeAlso: AX=0005h,AX=0600h,INT 21/AX=251Bh,INT 21/AX=EB07h --------E-310602----------------------------- INT 31 P - DPMI 0.9+ - MARK REAL MODE REGION AS PAGEABLE AX = 0602h BX:CX = starting linear address SI:DI = size of region in bytes Return: CF clear if successful CF set on error none of the memory is made pageable AX = error code (DPMI 1.0+) (8002h,8025h) (see #2814) Notes: must relock all unlocked real mode memory before terminating process for DPMI 0.9; DPMI 1.0+ automatically relocks real mode memory pages at beginning and end will be unlocked if the region overlaps them pageability of real mode pages is binary, not a count SeeAlso: AX=0600h,AX=0603h --------E-310603----------------------------- INT 31 P - DPMI 0.9+ - RELOCK REAL MODE REGION AX = 0603h BX:CX = starting linear address SI:DI = size of region in bytes Return: CF clear if successful CF set on error none of the memory is relocked AX = error code (DPMI 1.0+) (8002h,8013h,8025h) (see #2814) Notes: pages at beginning and end will be relocked if the region overlaps them pageability of real mode pages is binary, not a count SeeAlso: AX=0602h --------E-310604----------------------------- INT 31 P - DPMI 0.9+ - GET PAGE SIZE AX = 0604h Return: CF clear if successful BX:CX = page size in bytes CF set on error AX = error code (DPMI 1.0+) (see also #2814) 8001h unsupported, 16-bit host BUG: the Borland C++ 3.1 DPMILOAD returns with CF clear but BX and CX unchanged --------E-310700----------------------------- INT 31 Pu - DPMI 0.9+ - MARK PAGES AS PAGING CANDIDATES AX = 0700h BX:CX = starting linear page number SI:DI = number of pages to mark as paging candidates Return: ??? Note: although marked as reserved in versions 0.9 and 1.0 of the DPMI specification, this function is called by MS Windows TASKMAN, PROGMAN, and KERNEL SeeAlso: AX=0701h,AX=0702h --------E-310701----------------------------- INT 31 Pu - DPMI 0.9+ - DISCARD PAGES AX = 0701h BX:CX = starting linear page number SI:DI = number of pages to discard Return: ??? Note: although marked as reserved in versions 0.9 and 1.0 of the DPMI specification, this function is called by MS Windows TASKMAN, PROGMAN, and KERNEL SeeAlso: AX=0700h,AX=0703h --------E-310702----------------------------- INT 31 P - DPMI 0.9+ - MARK PAGE AS DEMAND PAGING CANDIDATE AX = 0702h BX:CX = starting linear address SI:DI = number of bytes to mark as paging candidates Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8025h) (see #2814) Notes: this function is advisory, and does not force immediate paging partial pages will not be discarded SeeAlso: AX=0700h,AX=0703h --------E-310703----------------------------- INT 31 P - DPMI 0.9+ - DISCARD PAGE CONTENTS AX = 0703h BX:CX = starting linear address SI:DI = number of bytes to mark as discarded Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8025h) (see #2814) Notes: this function is advisory, and may be ignored by DPMI implementations partial pages will not be discarded SeeAlso: AX=0701h,AX=0702h --------E-310800----------------------------- INT 31 P - DPMI 0.9+ - PHYSICAL ADDRESS MAPPING AX = 0800h BX:CX = physical address (should be above 1 MB) SI:DI = size in bytes Return: CF clear if successful BX:CX = linear address which maps the requested physical memory CF set on error AX = error code (DPMI 1.0+) (8003h,8021h) (see #2814) Notes: implementations may refuse this call because it can circumvent protects the caller must build an appropriate selector for the memory do not use for memory mapped in the first megabyte SeeAlso: AX=0002h,AX=0508h,AX=0509h,AX=0801h,INT 21/AX=250Ah,INT 21/AX=EB05h --------E-310801----------------------------- INT 31 P - DPMI 1.0+ - FREE PHYSICAL ADDRESS MAPPING AX = 0801h BX:CX = linear address returned by AX=0800h Return: CF clear if successful CF set on error AX = error code (8025h) (see #2814) Note: should be called at end of access to device mapped with AX=0800h SeeAlso: AX=0508h,AX=0509h,AX=0800h,INT 21/AX=EB03h --------E-310900----------------------------- INT 31 P - DPMI 0.9+ - GET AND DISABLE VIRTUAL INTERRUPT STATE AX = 0900h Return: CF clear virtual interrupts disabled AL = previous interrupt state (00h disabled, 01h enabled) AH preserved Notes: the previous state may be restored simply by executing another INT 31 a CLI instruction may be used if the previous state is unimportant, but should be assumed to be very slow due to trapping by the host SeeAlso: AX=0901h,AX=0902h --------E-310901----------------------------- INT 31 P - DPMI 0.9+ - GET AND ENABLE VIRTUAL INTERRUPT STATE AX = 0901h Return: CF clear virtual interrupts enabled AL = previous interrupt state (00h disabled, 01h enabled) AH preserved Notes: the previous state may be restored simply by executing another INT 31 a STI instruction may be used if the previous state is unimportant, but should be assumed to be very slow due to trapping by the host SeeAlso: AX=0900h,AX=0902h --------E-310902----------------------------- INT 31 P - DPMI 0.9+ - GET VIRTUAL INTERRUPT STATE AX = 0902h Return: CF clear AL = current interrupt state (00h disabled, 01h enabled) Note: should be used rather than PUSHF because that instruction yields the physical interrupt state rather than the per-client virtualized interrupt flag SeeAlso: AX=0900h,AX=0901h --------E-310A00----------------------------- INT 31 P - DPMI 0.9+ - GET VENDOR SPECIFIC API ENTRY POINT AX = 0A00h DS:(E)SI -> case-sensitive ASCIZ vendor name or identifier Return: CF clear if successful ES:(E)DI -> FAR extended API entry point DS, FS, GS, EAX, EBX, ECX, EDX, ESI, EBP destroyed CF set on error AX = error code (DPMI 1.0+) (8001h) (see #2814) Notes: extended API parameters are vendor-specific DPMI 1.0+ supports this function solely for backward compatibility; use INT 2F/AX=168Ah instead this function is not supported by MS Windows 3.10, BC++ 3.1 DPMILOAD, or QDPMI v1.0x; use INT 2F/AX=168Ah instead. It is supported by 386MAX v7.01. SeeAlso: INT 2F/AX=168Ah --------E-310B00----------------------------- INT 31 P - DPMI 0.9+ - SET DEBUG WATCHPOINT AX = 0B00h BX:CX = linear address DL = size (1,2,4 bytes) DH = type (00h execute, 01h write, 02h read/write) Return: CF clear if successful BX = watchpoint handle CF set on error AX = error code (DPMI 1.0+) (8016h,8021h,8025h) (see #2814) SeeAlso: AX=0212h,AX=0601h --------E-310B01----------------------------- INT 31 P - DPMI 0.9+ - CLEAR DEBUG WATCHPOINT AX = 0B01h BX = watchpoint handle Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8023h) (see #2814) Note: the watchpoint handle is freed SeeAlso: AX=0B00h --------E-310B02----------------------------- INT 31 P - DPMI 0.9+ - GET STATE OF DEBUG WATCHPOINT AX = 0B02h BX = watchpoint handle Return: CF clear if successful AX = status flags bit 0: watch point has been executed since AX=0B00h or AX=0B03h CF set on error AX = error code (DPMI 1.0+) (8023h) (see #2814) SeeAlso: AX=0B00h,AX=0B03h --------E-310B03----------------------------- INT 31 P - DPMI 0.9+ - RESET DEBUG WATCHPOINT AX = 0B03h BX = watchpoint handle Return: CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8023h) (see #2814) SeeAlso: AX=0B02h --------E-310C00----------------------------- INT 31 P - DPMI 1.0+ - INSTALL RESIDENT HANDLER INIT CALLBACK AX = 0C00h ES:(E)DI -> resident service provider structure (see #2829) Return: CF clear if successful CF set on error AX = error code (8015h,8021h,8025h) (see #2814 at AX=0000h) Note: calling this function declares an intent to provide resident protected mode services after terminating with AX=0C01h SeeAlso: AX=0303h,AX=0C01h Format of DPMI resident service provider structure: Offset Size Description (Table 2829) 00h QWORD descriptor for 16-bit data segment 08h QWORD descriptor for 16-bit code segment (zeros if not supported) 10h WORD offset of 16-bit callback procedure 12h 2 BYTEs reserved 14h QWORD descriptor for 32-bit data segment 1Ch QWORD descriptor for 32-bit code segment (zeros if not supported) 24h DWORD offset of 32-bit callback procedure --------E-310C01----------------------------- INT 31 P - DPMI 1.0+ - TERMINATE AND STAY RESIDENT AX = 0C01h BL = return code DX = number of paragraphs of DOS memory to reserve (0 or >= 6) Return: never Notes: should only be used if the program will only provide services to other DPMI programs any protected mode memory remains allocated to the program unless explicitly freed before this call must first call AX=0C00h or program will simply be terminated SeeAlso: AX=0C00h,INT 21/AH=31h --------E-310D00----------------------------- INT 31 P - DPMI 1.0+ - ALLOCATE SHARED MEMORY AX = 0D00h ES:(E)DI -> shared memory allocation request structure (see #2830) Return: CF clear if successful request structure updated CF set on error AX = error code (8012h,8013h,8014h,8016h,8021h) (see #2814) Note: first 16 bytes of memory block will be initialized to zeros on the first allocation SeeAlso: AX=0501h,AX=0D01h,AX=0D02h Format of DPMI shared memory allocation request structure: Offset Size Description (Table 2830) 00h DWORD requested length of shared memory block in bytes 04h DWORD (ret) allocated length of block 08h DWORD (ret) shared memory handle 0Ch DWORD (ret) linear address of memory block 10h PWORD selector:offset32 of ASCIZ name for memory block (name max 128 bytes) 16h 2 BYTEs reserved 18h 4 BYTEs reserved (00h) --------E-310D01----------------------------- INT 31 P - DPMI 1.0+ - FREE SHARED MEMORY AX = 0D01h SI:DI = shared memory block handle Return: CF clear if successful CF set on error AX = error code (8023h) (see #2814) Notes: handle becomes invalid after this call DPMI maintains separate global and virtual machine use counts for each shared memory block; when the global use counts reaches zero, the block is finally destroyed SeeAlso: AX=0502h,AX=0D00h --------E-310D02----------------------------- INT 31 P - DPMI 1.0+ - SERIALIZE SHARED MEMORY AX = 0D02h SI:DI = shared memory block handle DX = flags bit 0: return immediately rather than suspending if serialization unavailable bit 1: shared rather than exclusive serialization bits 2-15 reserved (0) Return: CF clear if successful CF set on error AX = error code (8004h,8005h,8017h-8019h,8023h) (see #2814) Notes: an exclusive serialization blocks any other serialization attempts for the same block by another virtual machine; a shared serialization blocks attempts at exclusive serialization by another virtual machine hosts are not required to detect deadlock a client's interrupt handler can cancel a serialization call which caused it to block by calling AX=0D03h SeeAlso: AX=0D00h,AX=0D03h --------E-310D03----------------------------- INT 31 P - DPMI 1.0+ - FREE SERIALIZATION ON SHARED MEMORY AX = 0D03h SI:DI = shared memory block handle DX = flags bit 0: release shared serialization rather than exclusive serialztn bit 1: free pending serialization bits 2-15 reserved (0) Return: CF clear if successful CF set on error AX = error code (8002h,8023h) (see #2814 at AX=0000h) SeeAlso: AX=0D00h,AX=0D02h --------E-310E00----------------------------- INT 31 P - DPMI 1.0+ - GET COPROCESSOR STATUS AX = 0E00h Return: CF clear AX = coprocessor status (see #2831) Note: supported by 386MAX v6.01, which otherwise only supports DPMI 0.9 SeeAlso: AX=0E01h Bitfields for DPMI coprocessor status: Bit(s) Description (Table 2831) 0 numeric coprocessor enabled for current client 1 client is emulating coprocessor 2 numeric coprocessor is present 3 host is emulating coprocessor instructions 4-7 coprocessor type 0000 none 0010 80287 0011 80387 0100 80486 with numeric coprocessor other reserved 8-15 not used --------E-310E01----------------------------- INT 31 P - DPMI 1.0+ - SET EMULATION AX = 0E01h BX = coprocessor flag bits (see #2832) Return: CF clear if successful CF set on error AX = error code (8026h) (see #2814 at AX=0000h) Note: supported by 386MAX v6.01, which otherwise only supports DPMI 0.9 SeeAlso: AX=0E00h Bitfields for DPMI coprocessor flags: Bit(s) Description (Table 2832) 0 enable numeric coprocessor for current client 1 client will emulate coprocessor 2-15 not used --------E-3157------------------------------- INT 31 - Netroom3 DPMI.EXE v3.00 - ??? AH = 57h AL = subfunction (at least 02h,03h,04h,05h,07h,08h,09h,0Ah) ??? Return: ??? SeeAlso: INT 2C/AX=0000h"Cloaking" --------E-315702----------------------------- INT 31 - Netroom3 DPMI.EXE v3.00 - SWITCH TO PROTECTED MODE AX = 5702h DX = PSP segment of caller STACK: WORD ??? WORD flags (bit 0 set if 32-bit program) Return: as for DPMI mode-switch entry point (see #2405 at INT 2F/AX=1687h) Note: this function is called by the real-mode DPMI mode-switch entry point SeeAlso: INT 2F/AX=1687h --------E-31EE00------------------------ INT 31 - DOS32 v3.0+ - GET DOS32 VERSION AND SELECTOR VALUES AX = EE00h Return: AL = minor version (BCD) AH = major version (BCD) DL = system type (1=raw DOS, 2=XMS, 4=VCPI, 8=DPMI) BX = selector of 4GB data segment with zero base address Program: DOS32 is a 32 bit DOS extender by Adam Seychell. SeeAlso: AX=EE02h --------E-31EE02------------------------ INT 31 - DOS32 v3.0+ - GET DOS32 ADDRESS INFORMATION AX = EE02h Return: AX = real-mode segment of temporary 8K buffer (v3.1+) EBX = 32bit linear address of the program segment EDX = Total size in bytes of the programs .EXE file after linking. ESI = offset address of PSP EDI = offset address of program environment ECX = offset address of the program's .EXE ASCIZ file name and path SeeAlso: AX=EE00h,AX=EE20h --------E-31EE10------------------------ INT 31 - DOS32 v3.2+ - SET UP A DOS32 LOADABLE LIBRARY AX = EE10h EDX -> library ASCIZ path\filename EBX = number of bytes to seek from beginning of file Return: CF clear if successful EAX = size of memory block required to store library EBX = size of library file CF set on error AL = error code. 01h error opening or reading file 02h bad DOS32 library file SeeAlso: AX=EE00h,AX=EE11h --------E-31EE11------------------------ INT 31 - DOS32 v3.2+ - LOAD LIBRARY FILE AX = EE11h EDX -> near pointer of memory block to store library Return: CF clear if successful EDX = near pointer to the dynamic library public CF set on error Note: must first successfuly call function AX=EE10h before calling this function SeeAlso: AX=EE00h,AX=EE10h --------E-31EE20------------------------ INT 31 - DOS32 v3.0+ - GET REAL MODE CALL BACK ADDRESS WITH RETF STACK FRAME AX = EE20h ESI = offset of the real mode call back function Return: CF clear if successful CX:DX = real mode address to call up to the protected mode procedure CF set on error SeeAlso: AX=EE00h,AX=EE02h,AX=EE21h --------E-31EE21------------------------ INT 31 - DOS32 v3.0+ - GET REAL MODE CALL BACK ADDRESS WITH IRET STACK FRAME AX = EE21h ESI = offset of the real mode call back function Return: CF clear if successful CX:DX = real mode address to call up to the protected mode procedure CF set on error SeeAlso: AX=EE20h --------E-31EE30------------------------ INT 31 - DOS32 v3.0+ - TERMINATE AND STAY RESIDENT AX = EE30h SeeAlso: AX=EE21h,AX=EE40h,INT 21/AH=31h --------E-31EE40------------------------ INT 31 - DOS32 v3.0+ - UNDO PREVIOUS MEMORY ALLOCATION or DMA BUFFER AX = EE40h Return: CF clear if successful CF set on error SeeAlso: AX=EE41h,AX=EE42h --------E-31EE41------------------------ INT 31 - DOS32 v3.0+ - ALLOCATE 16KB DMA BLOCK AX = EE41h Return: CF clear if successful EBX -> 16KB DMA block (physical address) EDX -> 16KB DMA block (offset address) CF set on error SeeAlso: AX=EE40h,AX=EE42h --------E-31EE42------------------------ INT 31 - DOS32 v3.0+ - ALLOCATE MEMORY BLOCK AX = EE42h EDX = size in bytes Return: CF clear if successful EAX = size in bytes EDX -> memory block CF set on error Note: size is rounded off to the next 4KB boundary SeeAlso: AX=EE40h,AX=EE41h --------!---Section--------------------------