Monster Media 1994 #1

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Interrupt List, part 2 of 11 This compilation is Copyright (c) 1989,1990,1991,1992,1993,1994 Ralf Brown --------S-14--------------------------------- INT 14 - SERIAL - Digiboard DigiCHANNEL PC/X* Extender INT 14 (XAPCM232.SYS) Note: the installation check for this driver is to determine whether the "~DOSXAM~" character device exists Index: installation check;Digiboard DigiCHANNEL --------S-1400------------------------------- INT 14 - SERIAL - INITIALIZE PORT AH = 00h AL = port parameters (see below) DX = port number (00h-03h) (04h-43h for Digiboard XAPCM232.SYS) Return: AH = line status (see AH=03h) FFh if error on Digiboard XAPCM232.SYS AL = modem status (see AH=03h) Notes: default handler is at F000h:E739h in IBM PC and 100% compatible BIOSes since the PCjr supports a maximum of 4800 bps, attempting to set 9600 bps will result in 4800 bps various network and serial-port drivers support the standard BIOS functions with interrupt-driven I/O instead of the BIOS's polled I/O the 04/08/93 Compaq system ROM uses only the low two bits of DX SeeAlso: AH=04h"SERIAL",AH=04h"MultiDOS",AH=05h"SERIAL",AH=57h SeeAlso: AX=8000h"ARTICOM",AH=81h"COMM-DRV",AH=82h"COURIERS",AH=8Ch Bitfields for port parameters: Bit(s) Description 7-5 data rate (110,150,300,600,1200,2400,4800,9600 bps) 4-3 parity (00 or 10 = none, 01 = odd, 11 = even) 2 stop bits (set = 2, clear = 1) 1-0 data bits (00 = 5, 01 = 6, 10 = 7, 11 = 8) --------S-1400------------------------------- INT 14 - FOSSIL (Fido/Opus/Seadog Standard Interface Level) - INITIALIZE AH = 00h AL = initializing parameters 7 - 6 - 5 4 - 3 2 1 - 0 -BAUD RATE- PARITY STOP WORD BITS LENGTH 000 19200 bd 00 none 0: 1 00: 5 001 38400 bd 01 odd 1: 2 01: 6 010 300 bd 11 even 10: 7 011 600 bd 11: 8 100 1200 bd 101 2400 bd 110 4800 bd 111 9600 bd (4800 on PCjr) DX = port number (0-3 or FFh if only performing non-I/O setup) Return: AH = RS-232 status code bits (see below) AL = modem status bits bit 3: always 1 bit 7: DCD - carrier detect SeeAlso: AH=05h"FOSSIL",AH=81h"COMM-DRV",AH=82h"COURIERS" Bitfields for RS-232 status: Bit(s) Description 0 RDA - input data is available in buffer 1 OVRN - data has been lost 5 THRE - room is available in output buffer 6 TSRE - output buffer empty --------S-1400------------------------------- INT 14 - MBBIOS - INITIALIZE PORT AH = 00h AL = port parameters (see below) DX = port number Return: AH = line status (see AH=03h) AL = modem status (see AH=03h) Note: MBBIOS was written by H. Roy Engehausen SeeAlso: AH=04h"MBBIOS",AH=05h"MBBIOS",AH=09h"MBBIOS" Bitfields for port parameters: Bit(s) Description 7-5 data rate (normally 110,150,300,600,1200,2400,4800,9600 bps; 9600,14400,19200,28800,38400,57600,115200,330400 bps if the high-speed option is set) 4-3 parity (00 or 10 = none, 01 = odd, 11 = even) 2 stop bits (set = 2, clear = 1) 1-0 data bits (00 = 5, 01 = 6, 10 = 7, 11 = 8) --------N-1400--DXFFFF----------------------- INT 14 - Connection Manager - MODIFY DEFAULT CONNECTION PARAMETERS AH = 00h DX = FFFFh ES:DI -> vector string specifying new parameters Return: AH = return code (00h,03h) (see below) Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network Note: if DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained SeeAlso: AH=04h/DX=FFFFh,AH=08h/DX=FFFFh,AH=0Ah/DX=FFFFh Values for return code: 00h successful 01h no such connection 02h invalid connection ID 03h invalid subvector found 04h communication error (check BH) 06h insufficient resources, retry later FFh no data available --------S-1401------------------------------- INT 14 - SERIAL - WRITE CHARACTER TO PORT AH = 01h AL = character to write DX = port number (00h-03h) (04h-43h for Digiboard XAPCM232.SYS) Return: AH bit 7 clear if successful AH bit 7 set on error AH bits 6-0 = port status (see AH=03h) Notes: various network and serial-port drivers support the standard BIOS functions with interrupt-driven I/O instead of the BIOS's polled I/O the 04/08/93 Compaq system ROM uses only the low two bits of DX SeeAlso: AH=02h,AH=0Bh"FOSSIL",AX=8000h"ARTICOM",AH=89h --------N-1401--DXFFFF----------------------- INT 14 - Connection Manager - SEND CHARACTER AH = 01h DX = FFFFh BH = character to send Return: AH = return code (00h-02h,06h) (see AH=00h/DX=FFFFh) Notes: if DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained this function is provided primarily for compatibility; AH=06h/DX=FFFFh is the preferred function because it provides better performance SeeAlso: AH=02h/DX=FFFFh,AX=06h/DX=FFFFh,AH=09h/DX=FFFFh --------S-1402------------------------------- INT 14 - SERIAL - READ CHARACTER FROM PORT AH = 02h AL = 00h (ArtiCom) DX = port number (00h-03h (04h-43h for Digiboard XAPCM232.SYS)) Return: AH = line status (see AH=03h) AL = received character if AH bit 7 clear Notes: will timeout if DSR is not asserted, even if function 03h returns data ready various network and serial-port drivers support the standard BIOS functions with interrupt-driven I/O instead of the BIOS's polled I/O the 04/08/93 Compaq system ROM uses only the low two bits of DX SeeAlso: AH=01h,AH=02h"FOSSIL",AH=84h,AH=FCh --------S-1402------------------------------- INT 14 - FOSSIL - RECEIVE CHARACTER WITH WAIT AH = 02h DX = port number (0-3) Return: AL = character received AH = 00h SeeAlso: AH=01h,AH=02h"SERIAL" --------N-1402--DXFFFF----------------------- INT 14 - Connection Manager - RECEIVE CHARACTER AH = 02h DX = FFFFh BH = character to send Return: AH = return code (00h-02h,04h,FFh) (see AH=00h/DX=FFFFh) BH = line status (see AH=03h) AL = received character (if any) Notes: if DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained this function is provided primarily for compatibility; AH=07h/DX=FFFFh is the preferred function because it provides better performance SeeAlso: AH=02h/DX=FFFFh,AH=03h/DX=FFFFh,AH=06h/DX=FFFFh --------S-1403------------------------------- INT 14 - SERIAL - GET PORT STATUS AH = 03h AL = 00h (ArtiCom) DX = port number (00h-03h) (04h-43h for Digiboard XAPCM232.SYS) Return: AH = line status (see below) AL = modem status (see below) AX = 9E00h if disconnected (ArtiCom) Note: the 04/08/93 Compaq system ROM uses only the low two bits of DX SeeAlso: AH=00h,AH=07h"MultiDOS",AX=8000h"ARTICOM",AH=81h"COURIERS",AX=FD02h Bitfields for line status: Bit(s) Description 7 timeout 6 transmit shift register empty 5 transmit holding register empty 4 break detected 3 framing error 2 parity error 1 overrun error 0 receive data ready Bitfields for modem status: Bit(s) Description 7 carrier detect 6 ring indicator 5 data set ready 4 clear to send 3 delta carrier detect 2 trailing edge of ring indicator 1 delta data set ready 0 delta clear to send --------N-1403--DXFFFF----------------------- INT 14 - Connection Manager - RETURN COMMUNICATION PORT STATUS AH = 03h DX = FFFFh AL = connection ID Return: AH = return code (00h-02h) (see AH=00h/DX=FFFFh) BH = line status (see below) BL = modem status (see AH=03h above) (only bits 4,5,7; all others zero) Notes: if DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained SeeAlso: AH=00h/DX=FFFFh,AH=04h/DX=FFFFh,AH=0Ah/DX=FFFFh Bitfields for line status: Bit(s) Description 7 CTS changed 6 current CTS state 5 timeout 4 break 3 framing error 2 parity error 1 overrun 0 current carrier state (0 active, 1 no carrier) --------S-1404------------------------------- INT 14 - SERIAL - EXTENDED INITIALIZE (CONVERTIBLE,PS) AH = 04h AL = break status 00h if break 01h if no break BH = parity (see below) BL = number of stop bits 00h one stop bit 01h two stop bits (1.5 if 5 bit word length) CH = word length (see below) CL = bps rate (see below) DX = port number Return: AX = port status code (see AH=00h) SeeAlso: AH=00h,AH=1Eh,AX=8000h"ARTICOM" Values for parity: 00h no parity 01h odd parity 02h even parity 03h stick parity odd 04h stick parity even Values for word length: 00h 5 bits 01h 6 bits 02h 7 bits 03h 8 bits Values for bps rate: 00h 110 01h 150 02h 300 03h 600 04h 1200 05h 2400 06h 4800 07h 9600 08h 19200 --------S-1404------------------------------- INT 14 - FOSSIL - INITIALIZE DRIVER AH = 04h DX = port number optionally BX=4F50h ES:CX -> byte to be set upon ^C Return: AX = 1954h (if successful) BL = maximum function number supported (excluding 7Eh and above) BH = revision of FOSSIL specification supported DTR is raised Note: the word at offset 6 in the interrupt handler contains 1954h, and the following byte contains the maximum function number supported; this can serve as an installation check SeeAlso: AH=05h"FOSSIL",AH=1Ch,INT 11/AH=BCh Index: installation check;FOSSIL --------S-1404------------------------------- INT 14 - MultiDOS Plus IODRV - INITIALIZE PORT AH = 04h Return: port initialized; if Hayes-compatible modem, a connection has been established Note: the port number is stored at offset BEh in the Task Control Block (see INT 15/AH=13h"MultiDOS") SeeAlso: AH=00h,AH=05h"MultiDOS",AH=20h"MultiDOS",INT 15/AH=13h"MultiDOS" --------S-1404------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - CHANGE BAUD RATE AH = 04h AL = initializing parameters bits 7-5 unused bits 4,3: parity (00 none, 01 odd, 11 even) bit 2: stop bits (0 = one, 1 = two) bits 1,0: data bits (00 = five, 01 = six, 10 = seven, 11 = eight) BX = baud rate DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful FFh error SeeAlso: AH=05h"Digiboard" --------S-1404------------------------------- INT 14 - MBBIOS - INSTALLATION CHECK AH = 04h DX = port number Return: AX = AA55h if installed on specified port SeeAlso: AH=00h"MBBIOS",AH=09h"MBBIOS" --------N-1404--DXFFFF----------------------- INT 14 - Connection Manager - OPEN COMMUNICATION AH = 04h DX = FFFFh ES:DI -> Connection Request protocol vector (see below) Return: AH = return code 00h successful AL = connection ID BH = connection type 00h direct connection or no dialing 01h Connection Server dialed phone 01h no response from Connection Server 03h invalid request Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network Desc: initiate a connection to the Connection Server listed in the current Client parameter set Notes: if DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained all subvectors of the Connection Request vector are optional; if missing, default values are provided by the default connection parameter set SeeAlso: AH=00h/DX=FFFFh,AH=05h/DX=FFFFh,AH=06h/DX=FFFFh,AH=07h/DX=FFFFh SeeAlso: AH=0Ah/DX=FFFFh,AH=0Ch/DX=FFFFh Format of protocol command vector: Offset Size Description 00h WORD (big-endian) total length of command (including this word) 02h WORD (big-endian) command code EF01h Connection Request EF06h Modify Connection Parameters 04h N BYTEs list of subvectors (see below) allowable subvector types are 01h-04h,17h,18h for command code EF01h; 03h,04h for command code EF06h Values for subvector type code: 01h Connection ID 02h Destination ID 03h Asynchronous line parameters 04h Data transfer parameters 09h Line speed 0Ah Serial coding 0Bh Packet size 0Ch Timers 0Dh Special characters 0Eh Target ID 0Fh Telephone number 10h ASCII destination ID 11h Parity 12h Bits per character 13h Number of stop bits 14h Packet timer 15h Intercharacter timer 17h Flags 18h Parameter ranges 19h Flow control Format of subvector: Offset Size Description 00h BYTE length of subvector 01h BYTE type code (see above) 02h N-2 BYTEs data, which may include subvectors Format of Connection ID subvector: Offset Size Description 00h BYTE 03h (length) 01h BYTE 01h (subvector "Connection ID") 02h BYTE connection ID Format of Destination ID subvector: Offset Size Description 00h BYTE length 01h BYTE 02h (subvector "Destination ID") 02h N BYTEs subvector(s) of type 0Eh, 0Fh, or 10h Format of Asynchronous line parameters subvector: Offset Size Description 00h BYTE length 01h BYTE 03h (subvector "Asynchronous line parameters") 02h N BYTEs subvector(s) of type 09h, 0Ah, or 19h Format of Data transfer parameters subvector: Offset Size Description 00h BYTE length 01h BYTE 04h (subvector "Data transfer parameters") 02h N BYTEs subvector(s) of type 0Bh, 0Ch, or 0Dh Format of Line speed subvector: Offset Size Description 00h BYTE 04h (length) 01h BYTE 09h (subvector "Line speed") 02h WORD bit map, highest set bit selects speed bit 0: 2400 bits 1-7: 1800, 1200, 600, 300, 115200, 150, 110 bps bits 8-15: 57600, 38400, 19200, 14400, 9600, 7200, 4800, 3600 Format of Serial coding subvector: Offset Size Description 00h BYTE length 01h BYTE 0Ah (subvector "Serial coding") 02h N BYTEs subvector(s) of type 11h, 12h, or 13h Format of Packet size subvector: Offset Size Description 00h BYTE 04h (length) 01h BYTE 0Bh (subvector "Packet size") 02h WORD (big-endian) packet size, 1 to 1024 Format of Timers subvector: Offset Size Description 00h BYTE length 01h BYTE 0Ch (subvector "Timers") 02h 8 BYTEs subvector of type 14h or 15h Format of Special characters subvector: Offset Size Description 00h BYTE length 01h BYTE 0Dh (subvector "Special characters") 02h N BYTEs list of ASCII characters to be used as EOM or EOB Format of Target ID: Offset Size Description 00h BYTE length 01h BYTE 0Eh (subvector "Target ID") 02h N BYTEs target ID, 1-16 bytes Format of Telephone number subvector: Offset Size Description 00h BYTE length 01h BYTE 0Fh (subvector "Telephone number") 02h N BYTEs telephone number Format of ASCII destination ID subvector: Offset Size Description 00h BYTE length 01h BYTE 10h (subvector "ASCII destination ID") 02h N BYTEs destination ID Format of Parity subvector: Offset Size Description 00h BYTE 03h (length) 01h BYTE 11h (subvector "Parity") 02h BYTE parity type (see below) Bitfields for parity type: Bit(s) Description 7 odd 6 even 5 mark 4 space 3 none Format of Bits per character subvector: Offset Size Description 00h BYTE 03h (length) 01h BYTE 12h (subvector "Bits per character") 02h BYTE bits per character bit 7: seven bit 6: eight Format of Number of stop bits subvector: Offset Size Description 00h BYTE 03h (length) 01h BYTE 13h (subvector "Number of stop bits") 02h BYTE stop bits bit 7: one bit 6: 1.5 bit 5: two Format of Packet timer and Intercharacter timer subvectors: Offset Size Description 00h BYTE 04h (length) 01h BYTE subvector type 14h Packet timer 15h Intercharacter timer 02h WORD (big-endian) unit of value representing 20ms Format of Flags subvector: Offset Size Description 00h BYTE 03h (length) 01h BYTE 17h (subvector "Flags") 02h BYTE flags bit 7: queueing requested Format of Parameter ranges subvector: Offset Size Description 00h BYTE length 01h BYTE 18h (subvector "Parameter ranges") 02h N BYTEs subvector(s) of type 09h, 11h, 12h, or 13h Format of Flow control subvector: Offset Size Description 00h BYTE length (02h-04h) 01h BYTE 19h (subvector "Flow control") 02h BYTE XOFF character 03h BYTE XON character Note: if length is 02h, flow control is disabled; if length is 03h, any character will be accepted as XON after an XOFF --------S-140400----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - INSTALLATION CHECK AX = 0400h Return: AX = 0FF0h SeeAlso: AX=0401h,AX=0408h --------S-140401----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - INITIALIZE MODE AX = 0401h CX = mode SeeAlso: AX=0400h,AX=0402h --------S-140402----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - EXTENDED INITIALIZE AX = 0402h CL = parameters SeeAlso: AX=0400h,AX=0401h --------S-140403----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - SET TIMEOUT AX = 0403h CX = timeout SeeAlso: AX=0400h --------S-140404----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - CLEAR THE RECEIVE BUFFER AX = 0404h SeeAlso: AX=0400h,AX=0405h,AX=0406h --------S-140405----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - GET RECEIVE BUFFER COUNT AX = 0405h Return: AX = number of characters in buffer SeeAlso: AX=0400h,AX=0404h,AX=0407h --------S-140406----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - CLEAR THE TRANSMIT BUFFER AX = 0406h SeeAlso: AX=0400h,AX=0404h,AX=0407h --------S-140407----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - GET TRANSMIT BUFFER COUNT AX = 0407h Return: AX = number of characters in the buffer SeeAlso: AX=0400h,AX=0405h,AX=0406h --------S-140408----------------------------- INT 14 - Microsoft Systems Journal TSRCOMM INT14 - UNINSTALL AX = 0408h SeeAlso: AX=0400h --------S-1405------------------------------- INT 14 - SERIAL - EXTENDED COMMUNICATION PORT CONTROL (CONVERTIBLE,PS) AH = 05h AL = function 00h read modem control register Return: BL = modem control register (see below) AH = status 01h write modem control register BL = modem control register (see below) Return: AX = status DX = port number Note: also supported by ArtiCom SeeAlso: AH=00h,AH=1Fh,AX=8000h"ARTICOM",AH=FBh Bitfields for modem control register: Bit(s) Description 0 data terminal ready 1 request to send 2 OUT1 3 OUT2 4 LOOP 5-7 reserved --------S-1405------------------------------- INT 14 - FOSSIL - DEINITIALIZE DRIVER AH = 05h DX = port number Return: none DTR is not affected SeeAlso: AH=00h,AH=04h"FOSSIL",AH=1Dh,AH=8Dh --------S-1405------------------------------- INT 14 - MultiDOS Plus IODRV - READ CHARACTER FROM PORT AH = 05h AL = timeout in seconds (00h = never) Return: AL = status 00h successful AH = character read 01h read error 02h timed out other modem status (CTS, DSR) changed Note: the port number is stored at offset BEh in the Task Control Block SeeAlso: AH=02h,AH=04h"MultiDOS",AH=06h"MultiDOS",AH=22h"MultiDOS" SeeAlso: INT 15/AH=13h"MultiDOS" --------S-1405------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - CHANGE PROTOCOL AH = 05h AL = protocol (see below) BH = new XOFF character (00h = current) BL = new XON character (00h = current) DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful FFh error SeeAlso: AH=04h"Digiboard" Bitfields for protocol: Bit(s) Description 7-4 unused 3 RTS/CTS 2 DSR 1,0 XON/XOFF --------S-1405------------------------------- INT 14 - MBBIOS - DROP DTR AND RTS AH = 05h DX = port number Return: none SeeAlso: AH=00h"MBBIOS",AH=06h"MBBIOS",AH=06h"FOSSIL" --------S-1405------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - CHANGE PORT PROTOCOL AH = 05h AL = new port protocol (see below) BH = new XOFF character BL = new XON character DX = port number Return: AH = FFh if invalid protocol SeeAlso: AH=00h,AH=04h"SERIAL",AH=06h"PC-MOS" Bitfields for port protocol: Bit(s) Description 7 set to enable/disable CD monitoring, clear to set protocol ---bit 7 set--- 4 CD monitoring enabled 5 automatic restart enabled ---bit 7 clear--- 0 receive XON/XOFF 1 transmit XON/XOFF 2 DTR/DSR 3 RTS/CTS --------N-1405--DXFFFF----------------------- INT 14 - Connection Manager - CLOSE COMMUNICATION AH = 05h DX = FFFFh AL = connection ID Return: AH = return code 00h successful 01h no such connection 02h invalid connection ID AL = correct connection ID Desc: terminate existing connection to allow another one to be established Note: if DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained SeeAlso: AH=04h/DX=FFFFh,AH=0Dh/DX=FFFFh --------S-1406------------------------------- INT 14 - FOSSIL - RAISE/LOWER DTR AH = 06h DX = port AL = DTR state to be set 00h = lower 01h = raise SeeAlso: AH=05h"MBBIOS",AH=1Ah --------S-1406------------------------------- INT 14 - MultiDOS Plus IODRV - WRITE CHARACTER TO PORT AH = 06h AL = character Return: AL = status 00h successful Notes: the port number is stored at offset BEh in the Task Control Block if output queue is full, the calling task is blocked until the character can be stored SeeAlso: AH=01h,AH=04h"MultiDOS",AH=05h"MultiDOS",AH=21h"MultiDOS" SeeAlso: INT 15/AH=13h"MultiDOS" --------S-1406------------------------------- INT 14 - MBBIOS - RAISE DTR AND RTS AH = 06h DX = port number Return: none SeeAlso: AH=05h"MBBIOS",AH=07h"MBBIOS" --------S-1406------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - DRIVER 'ID' FUNCTION AH = 06h DX = port number Return: AH bit 7 set AL = number of highest function supported by driver Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible operating system by The Software Link, Inc. SeeAlso: AH=18h"PC-MOS" --------N-1406------------------------------- INT 14 - TelAPI - WRITE??? AH = 06h CX = number of characters to write??? DX = port number ES:DI -> buffer containing data??? Return: AX = number of characters actually sent??? (negative on error) CX = ??? Note: under Novell TELAPI.EXE v4.01, this function and AH=07h are implemented with identical code SeeAlso: AH=07h"TelAPI",AH=E0h"TelAPI" --------N-1406--DXFFFF----------------------- INT 14 - Connection Manager - SEND CHARACTER BLOCK AH = 06h DX = FFFFh AL = connection ID CX = number of characters to send ES:DI -> buffer containing data to be sent Return: AH = return code (see AH=00h/DX=FFFFh) Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=04h/DX=FFFFh,AH=07h/DX=FFFFh,AH=09h/DX=FFFFh --------S-1407------------------------------- INT 14 - FOSSIL - RETURN TIMER TICK PARAMETERS AH = 07h Return: AL = timer tick interrupt number AH = ticks per second on interrupt number in AL DX = approximate number of milliseconds per tick SeeAlso: AH=16h --------S-1407------------------------------- INT 14 - MultiDOS Plus IODRV - GET PORT STATUS AH = 07h Return: CL = modem status (see AH=03h) CH = character at head of input queue (if any) DX = number of characters in input queue Note: the port number is stored at offset BEh in the Task Control Block SeeAlso: AH=03h,AH=05h"MultiDOS",AH=08h"MultiDOS",AH=09h"MultiDOS" SeeAlso: AH=23h"MultiDOS",INT 15/AH=13h"MultiDOS" --------S-1407------------------------------- INT 14 - MBBIOS - SEND BREAK AH = 07h DX = port number Return: none SeeAlso: AH=06h"MBBIOS" --------S-1407------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - SEND RS-232 BREAK AH = 07h BX = duration of break in clock ticks DX = port number Return: nothing --------N-1407------------------------------- INT 14 - TelAPI - WRITE??? AH = 07h CX = number of characters to write??? DX = port number ES:DI -> buffer containing data??? Return: AX = number of characters actually sent??? (negative on error) CX = ??? Note: under Novell TELAPI.EXE v4.01, this function and AH=06h are implemented with identical code SeeAlso: AH=06h"TelAPI",AH=E0h"TelAPI" --------N-1407--DXFFFF----------------------- INT 14 - Connection Manager - RECEIVE CHARACTER BLOCK AH = 07h DX = FFFFh AL = connection ID BL = flag 00h wait for data nonzero do not wait if no data avaiable CX = size of receive buffer ES:DI -> buffer for received characters Return: AH = return code (00h-02h,04h,FFh) (see AH=00h/DX=FFFFh) BH = line status (see AH=03h/DX=FFFFh) CX = number of characters received Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=01h/DX=FFFFh,AH=04h/DX=FFFFh,AH=06h/DX=FFFFh --------S-1408------------------------------- INT 14 - FOSSIL - FLUSH OUTPUT BUFFER WAITING TILL ALL OUTPUT IS DONE AH = 08h DX = port number SeeAlso: AH=09h"FOSSIL" --------S-1408------------------------------- INT 14 - MultiDOS Plus 4.0 IODRV - GET AND RESET PORT LINE STATUS AH = 08h Return: AL = line status (see AH=03h) AH destroyed Notes: the port number is stored at offset BEh in the Task Control Block on every line status change, the line status is ORed with the line status accumulator; this function returns the accumulator and clears it SeeAlso: AH=03h,AH=04h"MultiDOS",AH=07h"MultiDOS",INT 15/AH=13h"MultiDOS" --------S-1408------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - ALTERNATE STATUS CHECK AH = 08h DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = RS232 status bits (see AH=03h) ZF set if no characters queued ZF clear if character available AL = next character SeeAlso: AH=03h,AH=08h"PC-MOS",AH=09h"Digiboard",AH=14h"Digiboard" --------S-1408------------------------------- INT 14 - MBBIOS - NON-DESTRUCTIVE READ AH = 08h DX = port number Return: AL = character (if AH bit 0 set) AH = status (see AH=03h) SeeAlso: AH=0Bh"MBBIOS",AH=0Ch"FOSSIL" --------S-1408------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - INPUT STATUS CHECK AH = 08h DX = port number Return: CF set if carrier loss detected ZF set if input buffer empty ZF clear if characters available AL = next character dequeued --------N-1408--DXFFFF----------------------- INT 14 - Connection Manager - RETURN DEFAULT CONNECTION PARAMETERS AH = 08h DX = FFFFh CX = size of buffer for parameters or 0000h to get length ES:DI -> buffer for parameter vector (see AH=04h/DX=FFFFh) Return: AH = return code 00h successful CX = number of bytes required (if CX=0000h on entry) CX = number of bytes omitted for lack of space (if CX nonzero) nonzero invalid request Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=00h/DX=FFFFh,AH=0Fh/DX=FFFFh --------S-1409------------------------------- INT 14 - FOSSIL - PURGE OUTPUT BUFFER THROWING AWAY ALL PENDING OUTPUT AH = 09h DX = port number SeeAlso: AH=08h"FOSSIL",AH=0Ah"FOSSIL",AH=88h --------S-1409------------------------------- INT 14 - MultiDOS Plus IODRV - RESET PORT STATUS AH = 09h Return: modem status byte cleared Note: the port number is stored at offset BEh in the Task Control Block SeeAlso: AH=04h"MultiDOS",AH=07h"MultiDOS",INT 15/AH=13h"MultiDOS" --------S-1409------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR BUFFERS AH = 09h DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful FFh error SeeAlso: AH=08h"Digiboard",AH=0Ah"Digiboard",AH=10h"Digiboard" --------S-1409------------------------------- INT 14 - MBBIOS - GET/SET OPTIONS AH = 09h AL = option byte (see below) DX = port number??? Return: AL = old option byte SeeAlso: AH=00h"MBBIOS",AH=04h"MBBIOS",AH=10h"FOSSIL" Bitfields for option byte: Bit(s) Description 0 transmit buffering enabled 2 hardware handshaking enabled 5 high-speed option enabled (see AH=00h"MBBIOS") other reserved --------S-1409------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - RESET I/O BUFFER POINTERS AH = 09h DX = port number Return: nothing SeeAlso: AH=13h"PC-MOS" --------N-1409--DXFFFF----------------------- INT 14 - Connection Manager - SEND BREAK AH = 09h DX = FFFFh AL = connection ID Return: AH = return code (00h-02h) (see AH=00h/DX=FFFFh) Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=02h/DX=FFFFh,AH=03h/DX=FFFFh --------S-140A------------------------------- INT 14 - FOSSIL - PURGE INPUT BUFFER THROWING AWAY ALL PENDING INPUT AH = 0Ah DX = port number SeeAlso: AH=09h"FOSSIL",AH=85h --------S-140A------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - INPUT QUEUE CHECK AH = 0Ah DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AX = number of characters available in buffer Note: this function is also supported by the PC-MOS/386 v5.01 $serial.sys SeeAlso: AH=09h"Digiboard",AH=0Dh"Digiboard" --------S-140A------------------------------- INT 14 - MBBIOS - WRITE BUFFER AH = 0Ah CX = count ES:DI -> buffer Return: AX = status (see AH=03h) CX = unsent character count DI updated Note: the PACCOM version of MBBIOS does not use CX or ES:DI; instead, ES contains the segment of a buffer containing the packet to be sent, which by default will be freed once the packet has been sent. Use AH=0Ch"MBBIOS" to allocate the buffer. SeeAlso: AH=01h,AH=0Bh"MBBIOS",AH=0Ch"MBBIOS",AH=19h"FOSSIL" Format of PACCOM buffer: Offset Size Description 00h 504 BYTEs data area 1F8h WORD length of data in data area 1FAh BYTE flags/status bit 7: don't discard buffer after transmitting data bit 6: buffer has been transmitted 1FBh BYTE reserved (0) for additional flags/status 1FCh WORD user data 1FEh WORD MBBIOS-internal pointer to next buffer --------N-140A--DXFFFF----------------------- INT 14 - Connection Manager - MODIFY ACTIVE CONNECTION PARAMETERS AH = 0Ah DX = FFFFh ES:DI -> vector string containing new parameters (see AH=04h/DX=FFFFh) Return: AH = return code (00h-03h,06h) (see AH=00h/DX=FFFFh) Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network Note: any subvectors valid for the Change Parameters command replace the existing values in the current set SeeAlso: AH=00h/DX=FFFFh,AH=0Fh/DX=FFFFh --------S-140B------------------------------- INT 14 - FOSSIL - TRANSMIT NO WAIT AH = 0Bh AL = character DX = port number Return: AX = 0000h character not accepted = 0001h character accepted SeeAlso: AH=01h --------S-140B------------------------------- INT 14 - MBBIOS - READ BUFFER AH = 0Bh CX = size of buffer ES:DI -> buffer Return: AH = composite line status (see AH=03h) formed by ORing all statuses on receive interrupts; bit 0 set if additional characters available AL = composite modem status (see AH=03h) formed by ORing all statuses CX = number of characters actually read DI updated Note: the PACCOM version of MBBIOS does not use CX or ES:DI on call, instead returning ES set to the segment of the buffer containing a received packet, or 0000h if no packets available; the buffer may be freed with AH=0Ch"MBBIOS" SeeAlso: AH=02h,AH=08h"MBBIOS",AH=0Ah"MBBIOS",AH=0Ch"MBBIOS",AH=18h"FOSSIL" --------N-140B--DXFFFF----------------------- INT 14 - Connection Manager - PREPARE FOR INBOUND CONNECTION AH = 0Bh DX = FFFFh AL = service name 00h use parameter file or default 01h use specified name ES:DI -> 16-byte blank-padded name BH = connection notification 00h program awaiting connection, don't notify user 01h notify user on connecting BL = connection type 00h connection will use Connection Manager API Return: AH = return code (00h-02h) (see AH=00h/DX=FFFFh) AL = connection ID if AH=00h Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=04h/DX=FFFFh,AH=0Ch/DX=FFFFh,AH=10h/DX=FFFFh --------S-140C------------------------------- INT 14 - FOSSIL - NON-DESTRUCTIVE READ AHEAD AH = 0Ch DX = port number Return: AX = FFFFh character not available AX = 00xxh character xx available SeeAlso: AH=08h"MBBIOS",AH=20h"FOSSIL" --------S-140C------------------------------- INT 14 - MBBIOS PACCOM support - BUFFER MANAGEMENT AH = 0Ch ES = segment of buffer to free, or 0000h to allocate new buffer Return: ES = segment of allocated buffer (if ES=0000h on entry) Note: the PACCOM version of MBBIOS uses only ES as buffer address for AH=0Ah and AH=0Bh SeeAlso: AH=0Ah"MBBIOS",AH=0Bh"MBBIOS" --------N-140C--DXFFFF----------------------- INT 14 - Connection Manager - TEST FOR INBOUND CONNECTION REQUEST AH = 0Ch DX = FFFFh AL = connection ID from AH=0Bh/DX=FFFFh Return: AH = return code (00h-03h) (see also AH=00h/DX=FFFFh) 03h not prepared for inbound connection AL = connection ID (if AH=00h) or correct connection ID (if AH=02h) Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=03h/DX=FFFFh,AH=04h/DX=FFFFh,AH=0Bh/DX=FFFFh --------S-140D------------------------------- INT 14 - FOSSIL - KEYBOARD READ WITHOUT WAIT AH = 0Dh Return: AX = result FFFFh character not available xxyyh standard IBM-style scan code SeeAlso: AH=0Eh --------S-140D------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - GET POINTER TO CH_KEY_RDY FLAG AH = 0Dh DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: ES:BX -> CH_KEY_RDY flag SeeAlso: AH=0Ah"Digiboard" Values for CH_KEY_RDY flag: 00h receive buffer empty FFh characters available --------S-140D------------------------------- INT 14 - MBBIOS PACCOM support - SET TXD AH = 0Dh AL = new setting (FFh = 1.0) Desc: specify the time from RTS to start or packet SeeAlso: AX=0D00h,AH=0Eh"MBBIOS",AH=0Fh"MBBIOS" --------N-140D--DXFFFF----------------------- INT 14 - Connection Manager - TERMINATE CONNECTION CLIENT ACTIVITY AH = 0Dh DX = FFFFh Return: AH = return code 00h successful nonzero operation not terminated Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network Desc: end all Connection Client TSR activity to allow it to be removed from memory SeeAlso: AH=05h/DX=FFFFh,AH=6Fh/BX=FFFFh --------S-140D00----------------------------- INT 14 - MBBIOS - GET AVAILABLE BYTES AX = 0D00h Return: AX = bytes in transmit buffer CX = bytes in receive buffer SeeAlso: AH=0Ah"MBBIOS",AH=0Bh"MBBIOS" --------S-140D01----------------------------- INT 14 - MBBIOS - LOWER ALL MODEM CONTROL SIGNALS AX = 0D01h Note: this function lowers DTR, RTS, etc. SeeAlso: AX=0D02h --------S-140D02----------------------------- INT 14 - MBBIOS - RAISE ALL MODEM CONTROL SIGNALS AX = 0D02h Note: this function raises DTR, RTS, etc. SeeAlso: AX=0D01h --------S-140D03----------------------------- INT 14 - MBBIOS - SET HANDSHAKE BYTE AX = 0D03h CL = new handshake byte Return: CL = previous handshake byte Note: this function lowers DTR, RTS, etc. --------S-140E------------------------------- INT 14 - FOSSIL - KEYBOARD READ WITH WAIT AH = 0Eh Return: AX = xxyyh standard IBM-style scan code SeeAlso: AH=0Dh"FOSSIL" --------S-140E------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - WRITE STRING AH = 0Eh CX = number of characters to write ES:BX -> string DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AX = number of characters actually written ZF clear if successful ZF set on error SeeAlso: AH=0Fh"Digiboard" --------S-140E------------------------------- INT 14 - MBBIOS PACCOM support - SET PERSISTENCE AH = 0Eh AL = new setting (FFh = 1.0) Desc: specify the time from end of DCD to RTS SeeAlso: AH=0Dh"MBBIOS",AH=0Fh"MBBIOS" --------N-140E--DXFFFF----------------------- INT 14 - Connection Manager - SET HARDWARE FLOW STATE AH = 0Eh DX = FFFFh AL = connection ID from AH=04h/DX=FFFFh BL = RTS state (00h off, 01h on) Return: AH = return code (00h-03h) (see also AH=00h/DX=FFFFh) 03h invalid request (BL not 00h or 01h) Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=03h/DX=FFFFh,AH=0Ah/DX=FFFFh --------S-140F------------------------------- INT 14 - FOSSIL - ENABLE/DISABLE FLOW CONTROL AH = 0Fh AL = bit mask describing requested flow control (see below) DX = port number SeeAlso: AH=09h"MBBIOS",AH=10h"FOSSIL" Bitfields for requested flow control: Bit(s) Description 0 XON/XOFF on transmit (watch for XOFF while sending) 1 CTS/RTS (CTS on transmit/RTS on receive) 2 reserved 3 XON/XOFF on receive (send XOFF when buffer near full) 4-7 all 1 --------S-140F------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - READ STRING AH = 0Fh CX = number of characters to read ES:BX -> buffer DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AX = number of characters read ZF clear if successful ZF set on error (line status or wrong number of characters) SeeAlso: AH=0Eh"Digiboard" --------S-140F------------------------------- INT 14 - MBBIOS PACCOM support - SET SLOT TIME AH = 0Fh AL = new setting in clock ticks Desc: specify the time from end of DCD to RTS SeeAlso: AH=0Dh"MBBIOS",AH=0Eh"MBBIOS",AH=10h"MBBIOS" --------N-140F--DXFFFF----------------------- INT 14 - Connection Manager - RETURN ACTIVE CONNECTION PARAMETERS AH = 0Fh DX = FFFFh AL = connection ID CX = size of buffer or 0000h to get length of returned vector ES:DI -> buffer for connection parameter vector (see AH=04h/DX=FFFFh) Return: AH = return code (00h-02h,06h) (see AH=00h/DX=FFFFh) CX = number of bytes which could not be returned because the given buffer was too small Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network SeeAlso: AH=08h/DX=FFFFh,AH=0Ah/DX=FFFFh --------S-1410------------------------------- INT 14 - FOSSIL - EXTENDED ^C/^K CHECKING AND TRANSMIT ON/OFF AH = 10h AL = bit mask bit 0: enable/disable ^C/^K checking bit 1: enable/disable the transmitter DX = port number SeeAlso: AH=0Fh"FOSSIL" --------S-1410------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR RECEIVE BUFFER AH = 10h DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful FFh error SeeAlso: AH=09h"Digiboard",AH=11h"Digiboard" --------S-1410------------------------------- INT 14 - MBBIOS PACCOM support - SET CRC WAIT AH = 10h AL = new setting in clock ticks (should be at least 5 character times) Desc: specify the time from start of last character to dropping RTS SeeAlso: AH=0Dh"MBBIOS",AH=0Fh"MBBIOS" --------N-1410--DXFFFF----------------------- INT 14 - Connection Manager - QUERY SERVICE NAMES AH = 10h DX = FFFFh CL = subfunction 00h search first 01h search next ES:DI -> pattern buffer (see below) Return: AH = return code (00h,01h,03h,06h) (see also AH=00h/DX=FFFFh) 01h no (more) matching names 03h invalid request ES:DI buffer filled with reply buffer (see below) containing matched name if AH=00h Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network Desc: obtain the names of groups and lines available for connection requests, and the names of active Connection Servers SeeAlso: AH=04h/DX=FFFFh,AH=0Bh/DX=FFFFh Format of pattern/reply buffer: Offset Size Description 00h WORD length of pattern (30h or 32h) 02h 16 BYTEs server pattern or name 12h 16 BYTEs group pattern or name 22h 16 BYTEs line pattern or name 23h BYTE (optional) ??? 24h BYTE (optional, returned) current line status 00h available 01h out of service 02h currently allocated to a connection Note: pattern may include '?' wildcard to match any character --------S-1411------------------------------- INT 14 - FOSSIL - SET CURRENT CURSOR LOCATION AH = 11h DH = row DL = column Note: this is the same as INT 10/AH=02h SeeAlso: AH=12h"FOSSIL" --------S-1411------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR TRANSMIT BUFFER AH = 11h DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful FFh error SeeAlso: AH=09h"Digiboard",AH=10h"Digiboard" --------S-1411------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - DISABLE PORT AH = 11h DX = port number Return: AL = status 00h successful 01h IRQ for port is shared 02h IRQ was reserved SeeAlso: AH=04h,AH=05h,AH=12h"PC-MOS" --------S-1412------------------------------- INT 14 - FOSSIL - READ CURRENT CURSOR LOCATION AH = 12h Return: DH = row DL = column Note: this is the same as INT 10/AH=03h SeeAlso: AH=11h"FOSSIL" --------S-1412------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - GET TRANSMIT BUFFER FREE SPACE AH = 12h DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AX = number of bytes free SeeAlso: AH=0Ah"Digiboard",AH=14h"Digiboard" --------S-1412------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - GET CURRENT PORT PARAMETERS AH = 12h DX = port number Return: AH = status FFh port number invalid AL = line parameters (see AH=00h) AH = flow control configuration (see AH=05h"PC-MOS") CX:BX = bps rate DL = XOFF character or 00h for none DH = XON character or 00h for none --------S-1413------------------------------- INT 14 - FOSSIL - SINGLE CHARACTER ANSI WRITE TO SCREEN AH = 13h AL = character Note: should not be called if it is unsafe to call DOS SeeAlso: AH=15h --------S-1413------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - REGISTER A PORT WITH A TERMINAL AH = 13h DX = port number Return: AH = status FFh port number invalid else ES:BX -> BYTE flag (00h buffer empty, FFh buffer contains data) SeeAlso: AH=17h"PC-MOS" --------S-1414------------------------------- INT 14 - FOSSIL - ENABLE OR DISABLE WATCHDOG PROCESSING AH = 14h AL = 01h enable watchdog 00h disable watchdog DX = port number SeeAlso: INT 21/AH=2Bh/CX=6269h/DX=742Dh --------S-1414------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - OUTPUT STRING AH = 14h CX = number of characters in string DX = port number ES:BX -> string to be sent SI = timeout in timer ticks or 0000h for default Return: AX = number of bytes actually sent ZF clear if successful ZF set on timeout SeeAlso: AH=01h,AH=15h"PC-MOS" --------S-1414------------------------------- INT 14 - Digiboard - GET NUMBER OF BOARDS INSTALLED AH = 14h Return: AX = number of boards installed SeeAlso: AH=08h"Digiboard",AH=15h"Digiboard" --------S-1415------------------------------- INT 14 - FOSSIL - WRITE CHARACTER TO SCREEN USING BIOS SUPPORT ROUTINES AH = 15h AL = character SeeAlso: AH=13h"FOSSIL" --------S-1415------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - INPUT STRING AH = 15h CX = size of buffer DX = port number ES:BX -> buffer for received characters SI = timeout in clock ticks or 0000h for default Return: AX = number of characters actually read ZF set on timeout (no data available) SeeAlso: AH=02h,AH=14h"PC-MOS",AH=16h"PC-MOS" --------S-1415------------------------------- INT 14 - Digiboard - ENABLE/DISABLE MEMORY AH = 15h AL = new state (00h disabled, 01h enabled) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=14h"Digiboard",AH=16h"Digiboard" --------S-1416------------------------------- INT 14 - FOSSIL - INSERT/DELETE FUNCTION FROM TIMER TICK CHAIN AH = 16h AL = function 00h = delete 01h = add ES:DX -> routine to call Return: AX = status 0000h successful 0001h unsuccessful SeeAlso: AH=07h"FOSSIL" --------S-1416------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - LINK TO ANOTHER SERIAL DRIVER AH = 16h ES:BX -> calling driver's INT 14 entry point Return: nothing Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible operating system by The Software Link, Inc. --------S-1416------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - CCB COMMAND AH = 16h AL = CCB command number (see below) (see also following entries) BL = byte 2 BH = byte 3 CL = byte 1 (for all channel functions except 4Eh and 4Fh) DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AX=1646h,AH=18h"Digiboard" Values for CCB command number: 40h Set Receive Mid Water Mark 41h Set Receive High Water Mark 42h Flush Receive Buffer 43h Flush Transmit Buffer 44h Transmit Pause 45h Transmit Resume 46h Set Interrupt to Host Mask 47h Set Baud, Data, Stop and Parity 48h Send Break 49h Set Modem Lines 4Ah Set Break Count 4Bh Set Handshake 4Ch Set Xon/Xoff Characters 4Dh Set Transmit Mid Water Mark 4Eh IRQ Polling Timer to Host 4Fh Buffer Set All 50h Port On 51h Port Off 52h Receive Pause 53h Special Character Interrupt 54h RS-422 Enable --------S-141646----------------------------- INT 14 - Digiboard - CCB COMMAND - SET INTERRUPT TO HOST MASK AX = 1646h BL = bits to set BH = bits to clear CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=1647h --------S-141647----------------------------- INT 14 - Digiboard - CCB COMMAND - SET BAUD/DATABITS/STOPBITS/PARITY AX = 1647h BL = baud BH = datatype CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=1646h,AX=1649h --------S-141649----------------------------- INT 14 - Digiboard - CCB COMMAND - SET MODEM LINES AX = 1649h BL = bits to set BH = bits to clear CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=1647h --------S-14164A----------------------------- INT 14 - Digiboard - CCB COMMAND - SET BREAK COUNT AX = 164Ah BL = break count CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=1649h,AX=164Bh --------S-14164B----------------------------- INT 14 - Digiboard - CCB COMMAND - SET HANDSHAKE AX = 164Bh BL = bits to set BH = bits to clear CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=1649h,AX=164Ch --------S-14164C----------------------------- INT 14 - Digiboard - CCB COMMAND - SET XON/XOFF CHARACTERS AX = 164Ch BL = XON character BH = XOFF character CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=164Bh,AX=164Dh --------S-14164D----------------------------- INT 14 - Digiboard - CCB COMMAND - SET TRANSMIT MID-WATER MARK AX = 164Dh BX = new mid-water mark CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=164Ch,AX=164Eh,AX=164Fh --------S-14164E----------------------------- INT 14 - Digiboard - CCB COMMAND - IRQ POLLING TIMER TO HOST AX = 164Eh BL = ticks BH = ??? CL = mode DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=164Dh --------S-14164F----------------------------- INT 14 - Digiboard - CCB COMMAND - BUFFER SET ALL AX = 164Fh BL = size DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=164Dh --------S-141653----------------------------- INT 14 - Digiboard - CCB COMMAND - SPECIAL CHARACTER INTERRUPT AX = 1653h BL = enable/disable BH = special character CL = byte 1 DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h error FFh error SeeAlso: AH=16h"Digiboard",AX=1646h --------S-1417------------------------------- INT 14 - FOSSIL - REBOOT SYSTEM AH = 17h AL = method 00h = cold boot 01h = warm boot SeeAlso: INT 19 --------S-1417------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - WRITE MODEM CONTROL REGISTER AH = 17h AL = new value for UART's modem control register DX = port number Return: nothing --------S-1418------------------------------- INT 14 - FOSSIL - READ BLOCK AH = 18h CX = maximum number of characters to transfer DX = port number ES:DI -> user buffer Return: AX = number of characters transferred SeeAlso: AH=19h"FOSSIL",AH=83h"COURIERS",AX=FF02h,INT 6B/AX=0100h --------S-1418------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - SEND BIOS COMMAND AH = 18h ES:BX -> 16-byte command string DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful 80h timeout AL = mailbox status 00h no errors 8Xh BIOS error ES:BX buffer filled in with mailbox string ZF clear if no errors ZF set if either status byte contains an error code SeeAlso: AH=16h"Digiboard" --------S-1418------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - GET DRIVER DESCRIPTION AH = 18h DX = port number Return: DS:BX -> 40-byte buffer containing a string identifying the serial driver SeeAlso: AH=06h"PC-MOS" --------S-1419------------------------------- INT 14 - FOSSIL - WRITE BLOCK AH = 19h CX = maximum number of characters to transfer DX = port number ES:DI -> user buffer Return: AX = number of characters transferred SeeAlso: AH=18h"FOSSIL",AH=86h,INT 6B/AX=0000h --------S-1419------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X* - SPECIAL CHARACTER INTERRUPT AH = 19h BL = flag 00h disable special character interrupt FFh enable interrupt DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AH = status 00h successful FFh failed SeeAlso: AH=1Ah"Digiboard" --------S-1419------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - SELECTIVE BUFFER FLUSH AH = 19h AL = what to flush bit 0: input buffer bit 1: output buffer DX = port number Return: nothing SeeAlso: AH=09h"PC-MOS" --------S-141A------------------------------- INT 14 - FOSSIL - BREAK BEGIN OR END AH = 1Ah AL = 00h stop sending 'break' 01h start sending 'break' DX = port number SeeAlso: AH=06h"FOSSIL",AH=8Ah,AH=FAh --------S-141A------------------------------- INT 14 - Digiboard DigiCHANNEL PC/X - SPECIAL CHARACTER FLAG/COUNTER AH = 1Ah BX = subfunction 00h return pointer to special character flag byte 01h return pointer to special character counter word DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: ES:BX -> special character flag or counter Notes: flag is FFh if one or more special characters are in the receive buffer; it is 00h and the counter is invalid if no special characters are in the receive buffer counter (if valid) contains the number of characters in the receive buffer up to and including the last-received special character --------S-141B------------------------------- INT 14 - FOSSIL - RETURN INFORMATION ABOUT THE DRIVER AH = 1Bh DX = port number CX = size of user buffer ES:DI -> user buffer for driver info (see below) Return: AX = number of characters transferred CX = 3058h ("0X") (X00 FOSSIL only) DX = 2030h (" 0") (X00 FOSSIL only) Format of driver info: Offset Size Description 00h WORD size of structure in bytes 02h BYTE FOSSIL spec driver conforms to 03h BYTE revision level of this specific driver 04h DWORD pointer to ASCIZ identification string 08h WORD size of the input buffer 0Ah WORD number of bytes left in buffer 0Ch WORD size of the output buffer 0Eh WORD number of bytes left in buffer 10h BYTE width of screen 11h BYTE length of screen 12h BYTE actual baud rate, computer to modem --------S-141C------------------------------- INT 14 - X00 FOSSIL - ACTIVATE PORT AH = 1Ch DX = port number Return: AX = 1954h if successful BL = maximum function number supported (not including 7Eh and above) BH = revision of FOSSIL specification supported Note: this is a duplicate of AH=04h, so that AH=04h may be made compatible with the PS/2 BIOS in a future release SeeAlso: AH=04h"FOSSIL",AH=1Dh --------S-141D------------------------------- INT 14 - X00 FOSSIL - DEACTIVATE PORT AH = 1Dh DX = port number Return: none Notes: this is a duplicate of AH=05h, so that AH=05h may be made compatible with the PS/2 BIOS in a future release ignored if the port was never activated with AH=04h or AH=1Ch SeeAlso: AH=05h"FOSSIL",AH=1Ch --------S-141E------------------------------- INT 14 - X00 FOSSIL - EXTENDED LINE CONTROL INITIALIZATION AH = 1Eh AL = break status 00h if break 01h if no break BH = parity (see below) BL = number of stop bits 00h one stop bit 01h two stop bits (1.5 if 5 bit word length) CH = word length (see below) CL = bps rate (see below) DX = port number Return: AX = port status code (see AH=00h) Notes: this function is intended to exactly emulate the PS/2 BIOS AH=04h call if the port was locked at X00 load time, the appropriate parameters are ignored SeeAlso: AH=00h,AH=04h"SERIAL I/O" Values for parity: 00h no parity 01h odd parity 02h even parity 03h stick parity odd 04h stick parity even Values for word length: 00h 5 bits 01h 6 bits 02h 7 bits 03h 8 bits Values for bps rate: 00h 110 01h 150 02h 300 03h 600 04h 1200 05h 2400 06h 4800 07h 9600 08h 19200 --------S-141E------------------------------------ INT 14 - HUNTER 16 - READ COMMS PARAMETERS AH = 1Eh CX = channel number (00h COM1, 01h COM2, ...) DS:BX -> buffer for communications parameters (see below) Return: DS:BX buffer filled Note: the Husky Hunter 16 is an 8088-based ruggedized laptop. Other family members are the Husky Hunter, Husky Hunter 16/80, and Husky Hawk. SeeAlso: AH=20h"HUNTER" Format of communications parameters: Offset Size Description 00h BYTE communications type (00h IBM, nonzero Husky) 01h BYTE port number (00h COM1, 01h COM2) 02h BYTE baud rate (00h 110 bps, 01h 150, 02h 300, 03h 600, 04h 1200, 05h 2400, 06h 4800, 07h 9600, 08h 19200, 09h 38400) 03h BYTE data bits (01h seven, 02h eight) 04h BYTE parity (00h none, 01h odd, 02h even) 05h BYTE stop bits (00h one, 01h two) 06h BYTE handshake (see below) 07h BYTE handshake protocol (00h none, 01h Xon/Xoff, 02h HWK3780) 08h BYTE Nulls after CR (0-20) 09h BYTE LF (00h off, 01h on) 0Ah BYTE Serig. 0..7Fh: Ignore this character 80h: Serig off 0Bh BYTE echo (00h off, 01h on) 0Ch BYTE transmit timeout in seconds (1-60) or 00h to disable 0Dh BYTE receive timeout in seconds (1-60) or 00h to disable 0Eh 5 BYTEs reserved Bitfields for handshake: Bit(s) Description 0-1 0: RTS off, 1: RTS hold, 2: RTS true 2 DTR enabled 4 CTS enabled 5 DSR enabled 6 DCD enabled --------S-141F------------------------------- INT 14 - X00 FOSSIL - EXTENDED SERIAL PORT STATUS/CONTROL AH = 1Fh AL = 00h read modem control register Return: BL = modem control register (see below) AH = status AL = 01h write modem control register BL = modem control register (see below) Return: AX = status DX = port number Notes: this function is intended to exactly emulate the PS/2 BIOS AH=05h call X00 forces BL bit 3 set (interrupts cannot be disabled) SeeAlso: AH=00h,AH=05h"SERIAL I/O" Bitfields for modem control register: Bit(s) Description 0 data terminal ready 1 request to send 2 OUT1 3 OUT2 (interrupts) enabled 4 LOOP 5-7 reserved --------S-1420------------------------------- INT 14 - X00 FOSSIL - DESTRUCTIVE READ WITH NO WAIT AH = 20h DX = port number Return: AH = 00h if character was available AL = next character (removed from receive buffer) AX = FFFFh if no character available SeeAlso: AH=0Ch,AH=21h"X00" --------S-1420------------------------------- INT 14 - Alloy MW386 - ATTACH LOGICAL COMMUNICATIONS PORT TO PHYSICAL PORT AH = 20h AL = logical port (01h COM1, 02h COM2) DX = physical port number Return: AX = status 0000h successful FFFFh failed SeeAlso: AH=21h"Alloy",AH=22h"Alloy",AH=23h"Alloy",INT 17/AH=8Bh"Alloy" --------S-1420------------------------------- INT 14 - MultiDOS Plus - INITIALIZE PORT AH = 20h AL = port parameters (see AH=00h"SERIAL") DX = port number (0-3) Return: AH = status 00h successful 41h no such port 64h monitor mode already active SeeAlso: AH=00h"SERIAL",AH=04h"MultiDOS",AH=21h"MultiDOS",AH=23h"MultiDOS" --------S-1420------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - CHECK OUTPUT QUEUE AH = 20h DX = port number Return: AX = number of bytes in output buffer SeeAlso: AH=0Ah"PC-MOS" --------S-1420------------------------------------ INT 14 - HUNTER 16 - SELECT COMMS PARAMETERS AH = 20h CX = channel number (00h COM1, 01h COM2, ...) DS:BX -> buffer with communications parameter (see AH=1Eh"HUNTER") Return: AX = status 0000h successful 0001h invalid parameter SeeAlso: AH=1Eh"HUNTER",AH=21h"HUNTER" --------S-1421------------------------------- INT 14 - X00 FOSSIL - STUFF RECEIVE BUFFER AH = 21h AL = character DX = port number Notes: the given character is inserted at the end of the receive buffer as if it had just arrived from the serial port; all normal receive processing (XON/XOFF, ^C/^K) is performed on the character fully re-entrant SeeAlso: AH=20h"X00" --------S-1421------------------------------- INT 14 - Alloy MW386 v1.x only - RELEASE PHYSICAL COMMUNICATIONS PORT AH = 21h DX = physical port number Return: AX = status 0000h successful FFFFh failed SeeAlso: AH=20h"Alloy",AH=22h"Alloy" --------S-1421------------------------------- INT 14 - MultiDOS Plus - TRANSMIT CHARACTER AH = 21h AL = character to send DX = port number Return: AH = status (see below) Note: monitor mode must have been turned on with AH=24h before calling SeeAlso: AH=20h"MultiDOS",AH=22h"MultiDOS",AH=24h"MultiDOS" Values for status: 00h successful 39h no DSR or CTS 3Ch no DSR 3Bh no CTS 41h no such port 42h monitor mode not active 97h timed out --------S-1421------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - OUTPUT CHARACTER, WITH TIMEOUT AH = 21h AL = char to send DX = port number SI = timeout in timer ticks (0000h = default) Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible operating system by The Software Link, Inc. SeeAlso: AH=01h,AH=0Eh"PC/MOS",AH=22h"PC-MOS" --------S-1421------------------------------------ INT 14 - HUNTER 16 - EXTENDED CONTROL AH = 21h AL = command 01h force transmission of buffer 02h clear transmit buffer 03h clear receive buffer DX = port (00h COM1, 01h COM2) Return: AH = extended status Desc: executes the command on the selected port SeeAlso: AH=1Eh"HUNTER",AH=20h"HUNTER",AH=22h"HUNTER",AH=24h"HUNTER" --------S-1422------------------------------- INT 14 - Alloy MW386 v2+ - RELEASE LOGICAL COMMUNICATIONS PORT AH = 22h AL = logical port (01h COM1, 02h COM2) Return: AX = status (0000h successful) SeeAlso: AH=20h"Alloy",AH=21h"Alloy" --------S-1422------------------------------- INT 14 - MultiDOS Plus - RECEIVE CHARACTER AH = 22h DX = port number Return: AH = status (see also AH=21h"MultiDOS") 00h successful AL = character 3Dh framing and parity error 3Eh overrun error 3Fh framing error 40h parity error 96h ring buffer overflow Note: if no character is available, this function waits until a character arrives or an implementation-dependent timeout elapses SeeAlso: AH=20h"MultiDOS",AH=21h"MultiDOS",AH=27h --------S-1422------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - RECEIVE CHARACTER, WITH TIMEOUT AH = 22h DX = port number SI = timeout in timer ticks (0000h = default) Return: AH = port status (see AH=03h bits 0..6) bit 7 = 1 indicates time-out AL = character received Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible operating system by The Software Link, Inc. SeeAlso: AH=02h,AH=0Fh"PC-MOS",AH=21h"PC-MOS" --------S-1422------------------------------------ INT 14 - HUNTER 16 - EXTENDED STATUS AH = 22h DX = port (00h COM1, 01h COM2) Return: AH = extended status BX = number of characters in input buffer CX = number of characters in output buffer Desc: returns the most recent Extended Status code for the port SeeAlso: AH=21h"HUNTER" --------S-1423------------------------------- INT 14 - Alloy MW386 v2+ - GET PORT NUMBER FROM LOGICAL PORT ID AH = 23h AL = logical port (01h COM1, 02h COM2) DH = user ID DL = process ID (DH,DL both FFh for current task) Return: AL = MW386 port mode (see below) CX = MW386 port number DH = owner's user ID DL = owner's task ID SeeAlso: AH=20h"Alloy",INT 17/AH=8Bh"Alloy" Bitfields for MW386 port mode: Bit(s) Description 0 port is shared (spooler only) 1 port is spooled instead of direct (spooler only) 2 port is assigned as logical COM device, not in spooler 3 port is free --------S-1423------------------------------- INT 14 - MultiDOS Plus - GET PORT STATUS AH = 23h DX = port number Return: AH = line status (see AH=03h) AL = modem status (see AH=03h) SeeAlso: AH=03h,AH=07h"MultiDOS",AH=20h"MultiDOS" --------S-1423------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - DECLARE PORT OWNERSHIP AH = 23h DX = port number BX = TCB segment/selector address of owner task Return: nothing SeeAlso: AH=0Dh"PC-MOS" --------S-1423------------------------------------ INT 14 - HUNTER 16 - CONTROL HANDSHAKE LINES AH = 23h BH = handshake line to set (00h RTS, 01h DTR) BL = new level (00h low, 01h high) Desc: sets the handshake lines of COM1 to the desired level SeeAlso: AH=21h"HUNTER",AH=24h"HUNTER" --------S-1424------------------------------- INT 14 - Alloy MW386 v2+ - CHANGE PHYSICAL PORT PARAMETERS AH = 24h CX = physical I/O port number DS:DX -> configuration table (see below) Return: AH = 00h Note: invalid port numbers are merely ignored SeeAlso: INT 17/AH=96h Format of configuration table: Offset Size Description 00h BYTE baud rate (see below) 01h BYTE data bits (00h=5, 01h=6, 02h=7, 03h=8) 02h BYTE parity (00h none, 01h odd, 02h even) 03h BYTE stop bits (00h=1, 01h=2) 04h BYTE receive flow control 00h none, 01h XON/XOFF, 02h DTR/DSR, 03h XPC, 04h RTS/CTS 05h BYTE transmit flow control (as for receive) Values for baud rate: 00h 38400 01h 19200 02h 9600 03h 7200 04h 4800 05h 3600 06h 2400 07h 2000 08h 1200 09h 600 0Ah 300 0Bh 150 0Ch 134.5 --------S-1424------------------------------- INT 14 - MultiDOS Plus - SET MONITOR MODE AH = 24h AL = port status storage 00h single status for entire receive buffer 01h separate status kept for each byte in receive buffer DX = port number Return: AH = status 00h successful 3Ah invalid status storage specified 41h no such port 64h monitor mode already active Note: in monitor mode, MultiDOS redirects all BIOS video output to a serial port SeeAlso: AH=20h"MultiDOS",AH=25h --------S-1424------------------------------- INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - ??? AH = 24h Return: ??? Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible operating system by The Software Link, Inc. --------S-1424------------------------------------ INT 14 - HUNTER 16 - CONTROL CTS HANDSHAKING AH = 24h AL = new CTS handshake state for COM1 (00h disabled, 01h enabled) SeeAlso: AH=23h"HUNTER",AH=25h"HUNTER",AH=26h"HUNTER" --------S-1425------------------------------- INT 14 - MultiDOS Plus - CLEAR BUFFERS AH = 25h AL = function 00h only clear buffers 01h clear buffers and deactivate DX = port number Return: AH = status 00h successful 3Ah invalid function 41h no such port 42h monitor mode not active SeeAlso: AH=20h"MultiDOS",AH=24h"MultiDOS" --------S-1425------------------------------------ INT 14 - HUNTER 16 - CONTROL RS232 DRIVERS AH = 25h AL = new state of RS232 drivers (00h off, 01h on) Note: this function can be used to save power by turning off the RS232 drivers. It can also be used to turn on the RS232 drivers before connecting to a remote system to avoid "garbage" while the drivers turn on. SeeAlso: AH=23h"HUNTER",AH=24h"HUNTER",AH=26h"HUNTER" --------S-1426------------------------------------ INT 14 - HUNTER 16 - CONTROL RI POWER UP AH = 26h AL = 00h enable RI power up else disable RI power up Desc: control whether the Ring Indicator handshake can power up the Hunter --------S-1427------------------------------- INT 14 - MultiDOS Plus - GET BUFFER CHARACTER COUNT AH = 27h DX = port number Return: AH = status 00h successful 41h no such port 42h monitor mode not active AL = number of characters in receive buffer --------S-1427------------------------------------ INT 14 - HUNTER 16 - GET INSTALLED PROTOCOLS COUNT AH = 27h AL = number of extended protocols installed (since last call) Return: AL = total number installed, including new ones Desc: Returns the number of extended communication protocols installed SeeAlso: AH=25h"HUNTER",AH=28h"HUNTER" --------S-1428------------------------------------ INT 14 - HUNTER 16 - GET PROTOCOL NAME AH = 28h AL = protocol handle DS:BX -> 8 character buffer for protocol name Return: AH = status 00h successful DS:BX buffer filled with the protocol name FFh failed SeeAlso: AH=27h"HUNTER",AH=29h"HUNTER" --------S-1429------------------------------------ INT 14 - HUNTER 16 - GET PROTOCOL HANDLE AH = 29h DS:BX -> buffer containing the protocol name Return: AH = status 00h successful AL = handle FFh failed SeeAlso: AH=28h"HUNTER",AH=2Ah"HUNTER" --------S-142A------------------------------------ INT 14 - HUNTER 16 - EXTENDED PROTOCOL MENU AH = 2Ah AL = protocol handle Return: AH = status 00h successful FFh failed AL = menu handle SeeAlso: AH=29h"HUNTER",AH=2Bh"HUNTER" --------S-142B------------------------------------ INT 14 - HUNTER 16 - GET EXTENDED PROTOCOL PARAMETERS AH = 2Bh AL = protocol handle DS:BX -> buffer for extended protocol parameters Return: AH = status 00h successful DS:BX buffer filled with extended parameters FFh failed SeeAlso: AH=2Ah"HUNTER" --------S-142C00---------------------------------- INT 14 - HUNTER 16 - GET DTR AX = 2C00h Return: AH = 00h BL = current state 00h normal DTR operation else DTR is forced high Desc: Indicates whether the DTR signal on COM1 is forced high Note: the Husky Hunter 16 is an 8088-based ruggedized laptop. Other family members are the Husky Hunter, Husky Hunter 16/80, and Husky Hawk. SeeAlso: AH=2Ch"SET DTR" --------S-142C------------------------------------ INT 14 - HUNTER 16 - SET DTR AH = 2Ch AL nonzero BL = new state 00h normal operation else force DTR high Return: AH = 00h Desc: determine whether the DTR signal on COM1 should be forced high SeeAlso: AX=2C00h --------S-1456------------------------------- INT 14 U - BWCOM14 - INSTALLATION CHECK AH = 56h Return: CX = 0001h if installed Program: BWCOM14 is a network serial port emulator (simulating a Hayes modem connected to the serial port) distributed as part of the Beame&Whiteside BW-NFS package SeeAlso: AH=57h,AH=58h --------S-1457------------------------------- INT 14 U - BWCOM14 - INITIALIZE AH = 57h DL = port number Return: AL = initialization status (00h successful, 01h already initialized) CX = port status (0001h port redirected, 0002h and FFFFh failed) Note: after this call, all invocations of INT 14/AH=00h-03h for the specified port will be handled by BWCOM14 until AH=58h is called SeeAlso: AH=00h"SERIAL",AH=56h,AH=58h --------S-1458------------------------------- INT 14 U - BWCOM14 - SHUTDOWN AH = 58h Return: CX = status (0001h successful, 0002h not initialized) Note: after this call, BWCOM14 will no longer redirect the COM port SeeAlso: AH=56h,AH=57h --------N-146F--BXFFFE----------------------- INT 14 U - Connection Manager - ??? AH = 6Fh BX = FFFEh ??? Return: ??? Program: Connection Manager by Softwarehouse Corp. permits the sharing of serial ports over an IPX or NetBIOS-based network --------N-146F--BXFFFF----------------------- INT 14 - Connection Manager - INSTALLATION CHECK AH = 6Fh BX = FFFFh Return: DX:BX -> Connection Manager Communication Table if installed BX = FFFFh if not installed SeeAlso: AH=0Dh/DX=FFFFh --------S-147E------------------------------- INT 14 - FOSSIL - INSTALL AN EXTERNAL APPLICATION FUNCTION AH = 7Eh AL = code assigned to external application (80h-BFh) 80h reserved for communications FOSSIL 81h video FOSSIL 82h reserved for keyboard FOSSIL 83h reserved for system FOSSIL ES:DX -> entry point Return: AX = 1954h BL = code assigned to application (same as input AL) DH = 00h failed 01h successful SeeAlso: AH=7Fh,AH=80h"FOSSIL",AX=8100h,AH=82h"FOSSIL",AH=83h"FOSSIL" --------S-147F------------------------------- INT 14 - FOSSIL - REMOVE AN EXTERNAL APPLICATION FUNCTION AH = 7Fh AL = code assigned to external application ES:DX -> entry point Return: AX = 1954h BL = code assigned to application (same as input AL) DH = 00h failed 01h successful SeeAlso: AH=7Eh --------S-1480------------------------------- INT 14 - COMMUNICATIONS FOSSIL AH = 80h SeeAlso: AH=7Eh --------S-1480------------------------------- INT 14 - COURIERS.COM - INSTALLATION CHECK AH = 80h Return: AH = E8h if loaded Program: COURIERS is a TSR utility by PC Magazine --------S-148000----------------------------- INT 14 - ARTICOM - INSTALLATION CHECK AX = 8000h Return: AL = FFh if installed BH = major version BL = minor version Program: ArtiCom is an asynchronous communications driver by Artisoft which works on top of NetBIOS and allows modem/serial-port sharing by programs using INT 14 for serial I/O. Note: ArtiCom supports 32 simultaneous COM ports using multiport cards and drivers SeeAlso: AH=00h,AH=01h,AH=02h,AH=03h,AH=04h,AH=05h,AX=8001h,AX=8002h --------S-148001----------------------------- INT 14 - ARTICOM - UNLOAD ASYNCHRONOUS REDIRECTOR FROM MEMORY AX = 8001h Return: AX = error code, if error (see AX=8003h) SeeAlso: AX=8000h,AX=8002h,AX=8003h Index: uninstall;ARTICOM --------S-148002----------------------------- INT 14 - ARTICOM - GET ASYNCHRONOUS REDIRECTOR STATUS AX = 8002h ES:DI -> buffer for redirector status structure (see below) Return: AX = error code, if error (see AX=8003h) SeeAlso: AX=8000h,AX=8003h Format of redirector status: Offset Size Description 00h WORD redirector major and minor version numbers 02h WORD redirectable ports found 04h WORD redirectable ports + local ports found 06h WORD redirector internal buffer size 08h WORD maximum servers maintained 0Ah WORD number of adapters found --------S-148003----------------------------- INT 14 - ARTICOM - TRANSLATE ERROR CODE TO ERROR STRING AX = 8003h CX = error number to translate Return: ES:DI -> ASCIZ error text or NULL if can't translate. SeeAlso: AX=8000h Values for error codes: 00h "No error" 01h "An invalid port number was specified" 02h "Port is already redirected" 03h "Too many ports redirected" 04h "Cannot locate the server" 05h "Server is busy" 06h "Access denied" 07h "Resource in use" 08h "Resource in use - request queued" 09h "No such resource" 0Ah "Invalid username/password pair" 0Bh "Noncompatible version number" 0Ch "Can't remove from memory" 0Dh "Bad NETBIOS adapter number" 0Eh "No more entries in list" 0Fh "Resource is not available at this time" 10h "Invalid value to INT 14 call" --------S-148004----------------------------- INT 14 - ARTICOM - ATTACH ASYNCHRONOUS RESOURCE AX = 8004h DX = port to redirect (COM1=0, COM2=1, ...) CH = attach type CL = adapter to use for attach, 0FFh to search all ES:DI -> attachment structure (see below) Return: AX = error code, if error (see AX=8003h) Note: The wildcard '*' is supported in the server and resource fields. If wild cards are used then the first matching available server is attached. SeeAlso: AX=8000h,AX=8003h,AX=8005h Format of attachment structure: Offset Size Description 00h 16 BYTEs server to look for attach 10h 16 BYTEs attach to resource name 20h 16 BYTEs username for attach 30h 16 BYTEs password for username or resource 40h BYTE attach type 00h normal 01h queue if resource is in use (not yet supported in v1.00) --------S-148005----------------------------- INT 14 - ARTICOM - DETACH ASYNCHRONOUS RESOURCE AX = 8005h DX = port to detach (COM1=0, COM2=1, ...) Return: AX = error code, if error (see AX=8003h) Note: only a previously attached resource can be detached SeeAlso: AX=8000h,AX=8003h,AX=8004h --------S-148006----------------------------- INT 14 - ARTICOM - GET RESOURCE INFORMATION AX = 8006h BX = remote port (COM1=0, COM2=1, ...) CL = adapter number, FFh to try all adapters ES:DI -> resource information structure (see below) DS:SI -> 16 byte server name. See note. Return: AX = error code, if error (see AX=8003h) BX = next remote port, recall to get next resource info Note: Wild cards supported in both the resource field and server name string DS:SI. If wild cards used then first matching available resource information is searched. Set the resource field to FFh to return all resources. SeeAlso: AX=8000h,AX=8002h,AX=8003h,AX=8007h Format of resource information structure: Offset Size Description 00h BYTE 00h = free, else used 01h 16 BYTEs resource name 11h 16 BYTEs username of resource user 21h WORD amount of time used 23h WORD amount of time remaining 53h 48 BYTEs description of resource 93h 64 BYTEs initialization string for modem B3h 32 BYTEs dial string for modem D3h 32 BYTEs hang-up string for modem --------S-148007----------------------------- INT 14 - ARTICOM - GET REDIRECTED PORT INFORMATION AX = 8007h DX = port index (COM1=0, COM2=1, ...) ES:DI -> buffer for port information structure (see below) Return: CF clear if redirection info returned and port is redirected CF set if not a redirected port AX = error code, if error (see AX=8003h) SeeAlso: AX=8000h,AX=8003h,AX=8006h,AX=8008h Format of port information structure: Offset Size Description 00h 16 BYTEs server name resource is on 10h BYTE adapter number server is on 11h 16 BYTEs resource name 21h WORD remote port index, use to get additional information 23h WORD buffer size 25h WORD baud rate (see below) 26h BYTE modem status register 27h BYTE modem control register 28h BYTE line status register 29h BYTE line control register 2Ah BYTE flow control in use: 0 - NONE, 1 - XON/XOFF, 2 - RTS/CTS 2Bh WORD send timeout in ticks 2Dh WORD receive timeout in ticks 2Fh WORD time used on remote port 31h WORD time left before timeout 33h BYTE if server changes allowed? 34h WORD FFFFh (-1) if connection ok, else old port index Values for baud rate: 00h 110 01h 150 02h 300 03h 600 04h 1200 05h 2400 06h 4800 07h 9600 08h 19200 09h 38400 0Ah 57600 0Bh 115200 0Ch 134.5 0Dh 1800 0Eh 2000 0Fh 3600 10h 7200 --------S-148008----------------------------- INT 14 - ARTICOM - GET AVAILABLE SERVER NAME AX = 8008h BX = server index (0,1,...) ES:DI -> server name structure (see below) Return: AX = error code, if error (see AX=8003h) BX = next remote port, repeat call to get next available server Note: the wildcard '*' is supported in the server name field. Set the server name to FFh to search for all servers. SeeAlso: AX=8000h,AX=8003h,AX=8007h Format of server name structure: Offset Size Description 00h 16 BYTEs (call) ASCIZ server name 10h BYTE (return) the adapter server is found --------S-148009----------------------------- INT 14 - ARTICOM - SET SEND AND RECEIVE TIMEOUTS AX = 8009h BX = send timeout in ticks CX = receive timeout in ticks DX = port index (COM1=0, COM2=1, ...) Return: nothing SeeAlso: AX=8000h,AX=800Ah --------S-14800A----------------------------- INT 14 - ARTICOM - MODIFY FLOW CONTROL AX = 800Ah BL = flow control type (00h none, 01h XON/XOFF, 02h RTS/CTS) DX = port index (COM1=0, COM2=1, ...) Return: AX = error code, if error (see AX=8003h) Note: for attached ports only! SeeAlso: AX=8000h,AX=8003h,AX=8009h --------S-148025----------------------------- INT 14 - ARTICOM - SET INTERNAL SEND/RECEIVE VECTOR AX = 8025h DS:DX -> address of trap function (see below) to call on read/write Note: setting the vector to a user function allows the redirector's activity to be monitored. SeeAlso: AX=8000h,AX=8035h,INT 21/AH=25h Trap function called with: AH = operation 80h reading character 81h writing character AL = character Return: AX must be preserved far JUMP to old trap function (see AX=8035h) --------S-148035----------------------------- INT 14 - ARTICOM - GET INTERNAL SEND/RECEIVE VECTOR AX = 8035h Return: ES:BX -> address of current send/receive routine Note: this function returns the address of the routine which is called inside A-REDIR.EXE each time a character is received or sent on the active COM port. SeeAlso: AX=8000h,AX=8025h,INT 21/AH=35h --------S-1481------------------------------- INT 14 - COURIERS.COM - CHECK IF PORT BUSY AH = 81h AL = port number (1-4) Return: AH = 00h port available 01h port exists but already in use 02h port nonexistent Program: COURIERS is a TSR utility by PC Magazine SeeAlso: AH=83h,AH=8Dh --------S-1481------------------------------- INT 14 - Egberto Willies COMM-DRV - EXTENDED INITIALIZATION AH = 81h BX:DI -> port control block Return: ??? SeeAlso: AH=00h Format of port control block: Offset Type Description 00h WORD port IO address 02h WORD port IRQ 04h WORD baud rate 06h WORD parity 08h WORD data bits 0Ah WORD stop bits 0Ch WORD break status 0000h off 0Eh WORD flow control protocol 10h BYTE input block 11h BYTE output block 12h WORD low threshold 14h WORD high threshold 16h WORD segment of buffer 18h WORD offset of buffer 1Ah WORD input buffer length 1Ch WORD output buffer length 1Eh BYTE auxiliary address 1Fh BYTE spare 20h 4 WORDs spares --------V-148100----------------------------- INT 14 - VIDEO FOSSIL - RETURN VFOSSIL INFORMATION AX = 8100h ES:DI -> buffer for VFOSSIL information (see below) Return: AX = 1954h if installed SeeAlso: AH=7Eh,AX=8101h Format of VFOSSIL information: Offset Size Description 00h WORD size of information in bytes, including this field 02h WORD VFOSSIL major version 04h WORD VFOSSIL revision level 06h WORD highest VFOSSIL application function supported --------V-148101----------------------------- INT 14 - VIDEO FOSSIL - OPEN VFOSSIL AX = 8101h ES:DI -> buffer for application function table (see below) CX = length of buffer in bytes Return: AX = 1954h if installed BH = highest VFOSSIL application function supported Note: the number of initialized pointers in the application function table will never exceed CX/4; if the buffer is large enough, BH+1 pointers will be initialized SeeAlso: AX=8102h Format of application function table: Offset Size Description 00h DWORD -> function to query current video mode (VioGetMode) 04h DWORD -> function to set video mode (VioSetMode) 08h DWORD -> function to query hardware config (VioGetConfig) 0Ch DWORD -> function to write data in TTY mode (VioWrtTTY) 10h DWORD -> function to get current ANSI state (VioGetANSI) 14h DWORD -> function to set new ANSI state (VioSetANSI) 18h DWORD -> function to get curr cursor position (VioGetCurPos) 1Ch DWORD -> function to set cursor position (VioSetCurPos) 20h DWORD -> function to get cursor shape (VioGetCurType) 24h DWORD -> function to set cursor shape (VioSetCurType) 28h DWORD -> function to scroll screen up (VioScrollUp) 2Ch DWORD -> function to scroll screen down (VioScrollDn) 30h DWORD -> function to read cell string from screen (VioReadCellStr) 34h DWORD -> function to read char string from screen (VioReadCharStr) 38h DWORD -> function to write a cell string (VioWrtCellStr) 3Ch DWORD -> function to write char string, leaving attr (VioWrtCharStr) 40h DWORD -> function to write char string,const attr (VioWrtCharStrAttr) 44h DWORD -> function to replicate an attribute (VioWrtNAttr) 48h DWORD -> function to replicate a cell (VioWrtNCell) 4Ch DWORD -> function to replicate a character (VioWrtNChar) Format of video mode data structure: Offset Size Description 00h WORD length of structure including this field 02h BYTE mode characteristics bit 0: clear if MDA, set otherwise bit 1: graphics mode bit 2: color disabled (black-and-white) 03h BYTE number of colors supported (1=2 colors, 4=16 colors, etc) 04h WORD number of text columns 06h WORD number of text rows 08h WORD reserved 0Ah WORD reserved 0Ch DWORD reserved Format of video configuration data: Offset Size Description 00h WORD structure length including this field 02h WORD adapter type 00h monochrome/printer 01h CGA 02h EGA 03h VGA 07h 8514/A 04h WORD display type 00h monochrome 01h color 02h enhanced color 09h 8514 06h DWORD adapter memory size Format of cursor type record: Offset Size Description 00h WORD cursor start line 02h WORD cursor end line 04h WORD cursor width (always 01h) 06h WORD cursor attribute (FFFFh = hidden) Call VioGetMode with: STACK: WORD VIO handle (must be 00h) DWORD pointer to video mode data structure (see above) Return: AX = error code (00h, 74h, 17Eh, 1B4h) (see below) Values for error code: 0000h successful 0074h internal VIO failure 0163h unsupported mode 0166h invalid row value 0167h invalid column value 017Eh buffer too small 01A5h invalid VIO parameter 01B4h invalid VIO handle Call VioSetMode with: STACK: WORD VIO handle (must be 00h) DWORD pointer to video mode data structure (see above) Return: AX = error code (00h, 74h, 163h, 17Eh, 1A5h, 1B4h) (see above) Call VioGetConfig with: STACK: WORD VIO handle (must be 00h) DWORD pointer to video configuration data buffer (see above) Return: AX = error code (00h, 74h, 17Eh, 1B4h) (see above) Call VioWrtTTY with: STACK: WORD VIO handle (must be 00h) WORD length of string DWORD pointer to character string to be written to screen Return: AX = error code (00h, 74h, 1B4h) (see above) Notes: write wraps at end of line and terminates if it reaches end of screen in ANSI mode, ANSI control sequences are interpreted, and this func is not required to be reentrant; in non-ANSI mode, the function is reentrant and may be called from within an MS-DOS function call Call VioGetANSI with: STACK: WORD VIO handle (must be 00h) DWORD pointer to WORD which will be set to 00h if ANSI is off or 01h if ANSI is on Return: AX = error code (00h, 74h, 1B4h) (see above) Call VioSetANSI with: STACK: WORD VIO handle (must be 00h) DWORD pointer to WORD indicating new state of ANSI 00h off 01h on Return: AX = error code (00h, 74h, 1A4h, 1B4h) (see above) Call VioGetCurPos with: STACK: WORD VIO handle (must be 00h) DWORD pointer to WORD to hold current cursor column (0-based) DWORD pointer to WORD to hold current cursor row (0-based) Return: AX = error code (00h, 74h, 1B4h) (see above) Call VioSetCurPos with: STACK: WORD VIO handle (must be 00h) WORD cursor column WORD cursor row Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Note: if either coordinate is invalid, the cursor is not moved Call VioGetCurType with: STACK: WORD VIO handle (must be 00h) DWORD pointer to cursor type record (see above) Return: AX = error code (00h, 74h, 1B4h) (see above) Call VioSetCurType with: STACK: WORD VIO handle (must be 00h) DWORD pointer to cursor type record (see above) Return: AX = error code (00h, 74h, 1A4h, 1B4h) (see above) Call VioScrollUp with: STACK: WORD VIO handle (must be 00h) DWORD pointer to char/attr cell for filling emptied rows WORD number or rows to scroll (FFFFh = clear area) WORD right column of scroll area WORD bottom row of scroll area WORD left column of scroll area WORD top row of scroll area Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Call VioScrollDn with: STACK: WORD VIO handle (must be 00h) DWORD pointer to char/attr cell for filling emptied rows WORD number or rows to scroll (FFFFh = clear area) WORD right column of scroll area WORD bottom row of scroll area WORD left column of scroll area WORD top row of scroll area Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Call VioReadCellStr with: STACK: WORD VIO handle (must be 00h) WORD column at which to start reading WORD row at which to start reading DWORD pointer to WORD containing length of buffer in bytes on return, WORD contains number of bytes actually read DWORD pointer to buffer for cell string Return: AX = error code (00h, 74h, 166h ,167h, 1B4h) (see above) Call VioReadCharStr with: STACK: WORD VIO handle (must be 00h) WORD column at which to start reading WORD row at which to start reading DWORD pointer to WORD containing length of buffer in bytes on return, WORD contains number of bytes actually read DWORD pointer to buffer for character string Return: AX = error code (00h, 74h, 166h ,167h, 1B4h) (see above) Call VioWrtCellStr with: STACK: WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD length of cell string in bytes DWORD pointer to cell string to write Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Note: write wraps at end of line and terminates if it reaches end of screen Call VioWrtCharStr with: STACK: WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD length of character string DWORD pointer to character string to write Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Note: write wraps at end of line and terminates if it reaches end of screen Call VioWrtCharStrAttr with: STACK: WORD VIO handle (must be 00h) DWORD pointer to attribute to be applied to each character WORD column at which to start writing WORD row at which to start writing WORD length of character string DWORD pointer to character string to write Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Note: write wraps at end of line and terminates if it reaches end of screen Call VioWrtNAttr with: STACK: WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD number of times to write attribute DWORD pointer to display attribute to replicate Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Note: write wraps at end of line and terminates if it reaches end of screen Call VioWrtNCell with: STACK: WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD number of times to write cell DWORD pointer to cell to replicate Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Note: write wraps at end of line and terminates if it reaches end of screen Call VioWrtNChar with: STACK: WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD number of times to write character DWORD pointer to character to replicate Return: AX = error code (00h, 74h, 166h, 167h, 1B4h) (see above) Note: write wraps at end of line and terminates if it reaches end of screen --------V-148102----------------------------- INT 14 - VIDEO FOSSIL - CLOSE VFOSSIL AX = 8102h Return: AX = 1954h Note: terminates all operations; after this call, the video FOSSIL may either be removed from memory or reinitialized SeeAlso: AX=8101h,AX=8103h --------V-148103----------------------------- INT 14 - VIDEO FOSSIL - UNINSTALL AX = 8103h Return: AX = 1954h Note: this is an extension to the VFOSSIL spec by Bob Hartman's VFOS_IBM --------K-1482------------------------------- INT 14 - KEYBOARD FOSSIL AH = 82h SeeAlso: AH=7Eh --------S-1482------------------------------- INT 14 - COURIERS.COM - CONFIGURE PORT AH = 82h AL = port number (1-4) BX = speed (bps) CX = bit flags bit 0: enable input flow control bit 1: enable output flow control bit 2: use X.PC protocol (not yet implemented) SeeAlso: AH=00h,AH=8Ch,INT 7A"X.PC" ----------1483------------------------------- INT 14 - SYSTEM FOSSIL AH = 83h SeeAlso: AH=7Eh --------S-1483------------------------------- INT 14 - COURIERS.COM - START INPUT AH = 83h ES:BX -> circular input buffer CX = length of buffer (should be at least 128 bytes if input flow control enabled) SeeAlso: AH=18h,AH=87h,AH=8Dh,AH=A5h"BAPI" --------S-1484------------------------------- INT 14 - COURIERS.COM - READ CHARACTER AH = 84h Return: ZF set if no characters available ZF clear AL = character AH = modem status bits bit 7: set on input buffer overflow SeeAlso: AH=02h,AH=86h,AH=89h --------S-1485------------------------------- INT 14 - COURIERS.COM - FLUSH PENDING INPUT AH = 85h SeeAlso: AH=0Ah,AH=88h --------S-1486------------------------------- INT 14 - COURIERS.COM - START OUTPUT AH = 86h ES:BX -> output buffer CX = length of output buffer SeeAlso: AH=19h,AH=83h"COURIERS",AH=A4h"BAPI" --------S-1487------------------------------- INT 14 - COURIERS.COM - OUTPUT STATUS AH = 87h Return: AX = number of unsent characters --------S-1488------------------------------- INT 14 - COURIERS.COM - ABORT OUTPUT AH = 88h SeeAlso: AH=09h,AH=85h --------S-1489------------------------------- INT 14 - COURIERS.COM - SEND SINGLE CHARACTER AH = 89h CL = character to send SeeAlso: AH=01h,AH=84h --------S-148A------------------------------- INT 14 - COURIERS.COM - SEND BREAK AH = 8Ah SeeAlso: AH=89h,AH=FAh --------S-148C------------------------------- INT 14 - COURIERS.COM - SET SPEED AH = 8Ch BX = speed in bps SeeAlso: AH=00h,AH=82h"COURIERS" --------S-148D------------------------------- INT 14 - COURIERS.COM - DECONFIGURE PORT AH = 8Dh SeeAlso: AH=82h"COURIERS" --------S-14A0------------------------------- INT 14 - 3com BAPI SERIAL I/O - CONNECT TO PORT AH = A0h ES:BX -> ASCIZ internet host name CX = length of name Return: AH = return code (00h,04h-06h,08h,0Ah-0Ch) (see below) CL = session ID Program: the Bridge Application Program Interface is a set of functions which makes many of the details of LAN communications transparent Note: Novell TELAPI.EXE returns AH=09h (not supported) and CL=00h SeeAlso: AH=A1h"BAPI",AH=A2h"BAPI",AH=A5h"BAPI",AX=AF00h Values for return code: 00h successful 01h no characters written 02h no characters read 03h no such session 04h clearinghouse name not found 05h no response from host 06h no more sessions available 07h session aborted 08h invalid clearinghouse name 09h not supported 0Ah internal (general) network error 0Bh out of memory 0Ch invalid IP address --------S-14A0--CXFFFF----------------------- INT 14 - Interconnections Inc. TES - INSTALLATION CHECK/STATUS REPORT AH = A0h CX = FFFFh Return: CF clear if successful AX = 5445h ('TE') CX <> FFFFh DX = port number CF set on error Program: TES is a network serial port emulation program SeeAlso: AH=A1h"TES" --------S-14A1------------------------------- INT 14 - 3com BAPI SERIAL I/O - DISCONNECT FROM PORT AH = A1h DH = session ID (00h for external session managment) Return: AH = return code (00h,03h,07h,0Ah,0Bh) (see AH=A0h"BAPI") AL destroyed (Novell TELAPI.EXE) SeeAlso: AH=A0h"BAPI" --------S-14A1------------------------------- INT 14 - Interconnections Inc. TES - GET LIST OF SESSIONS WITH STATUS AH = A1h Return: CX = number of active sessions ES:SI -> status array (see below) SeeAlso: AH=A2h"TES",AH=A3h"TES" Format of status array entry: Offset Size Description 00h BYTE status 01h WORD offset of name --------S-14A2------------------------------- INT 14 - 3com BAPI SERIAL I/O - WRITE CHARACTER AH = A2h AL = character DH = session ID (00h for external session managment) Return: AH = return code (00h,01h,03h,07h,0Ah,0Bh) (see AH=A0h"BAPI") SeeAlso: AH=A0h"BAPI",AH=A3h"BAPI",AH=A4h"BAPI" --------S-14A2------------------------------- INT 14 - Interconnections Inc. TES - GET LIST OF SERVER NAMES AH = A2h Return: CX = number of servers ES:SI -> array of offsets from ES for server names SeeAlso: AH=A1h"TES" --------S-14A3------------------------------- INT 14 - 3com BAPI SERIAL I/O - READ CHARACTER AH = A3h DH = session ID (00h for external session managment) Return: AH = return code (00h,02h,03h,07h,0Ah,0Bh) (see AH=A0h"BAPI") AL = character read or 00h if none available SeeAlso: AH=A0h"BAPI",AH=A2h"BAPI",AH=A5h"BAPI",AH=A7h"BAPI" --------S-14A3------------------------------- INT 14 - Interconnections Inc. TES - START A NEW SESSION AH = A3h ES:SI -> ??? Return: CF clear if successful AX = 5445h ('TE') CX <> FFFFh DX = port number CF set on error SeeAlso: AH=A1h"TES",AH=A4h"TES",AH=A6h"TES" --------S-14A4------------------------------- INT 14 - 3com BAPI SERIAL I/O - WRITE BLOCK AH = A4h CX = length of buffer in bytes DH = session ID (00h for external session managment) ES:BX -> buffer containing data Return: AH = return code (00h,01h,03h,07h,0Ah,0Bh) (see AH=A0h"BAPI") CX = number of bytes actually sent SeeAlso: AH=19h,AH=86h,AH=A0h"BAPI",AH=A5h"BAPI" --------S-14A4------------------------------- INT 14 - Interconnections Inc. TES - HOLD CURRENTLY ACTIVE SESSION AH = A4h ??? Return: ??? SeeAlso: AH=A3h"TES",AH=A5h"TES" --------S-14A5------------------------------- INT 14 - 3com BAPI SERIAL I/O - READ BLOCK AH = A5h CX = length of buffer DH = session ID (00h for external session managment) ES:BX -> buffer for data Return: AH = return code (00h,02h,03h,07h,0Ah,0Bh) (see AH=A0h"BAPI") CX = number of bytes actually read SeeAlso: AH=18h,AH=83h"COURIERS",AH=A0h"BAPI",AH=A3h"BAPI",AH=A4h"BAPI" SeeAlso: AH=A7h"BAPI",AX=FF02h --------S-14A5------------------------------- INT 14 - Interconnections Inc. TES - RESUME A SESSION AH = A5h AL = session number Return: ??? SeeAlso: AH=A4h"TES",AH=A6h"TES" --------S-14A6------------------------------- INT 14 - 3com BAPI SERIAL I/O - SEND SHORT BREAK AH = A6h DH = session ID (00h for external session managment) Return: AH = return code (00h,03h,07h,0Ah,0Bh) (see AH=A0h"BAPI") Desc: generate a short break signal; if data delivery was turned off by the break, wait for the host to turn it on again SeeAlso: AH=1Ah,AH=8Ah,AH=FAh,AH=A0h"BAPI" --------S-14A6------------------------------- INT 14 - Interconnections Inc. TES - DROP A SESSION AH = A6h AL = session number Return: AH = status 00h successful else error SeeAlso: AH=A3h"TES",AH=A5h"TES" --------S-14A7------------------------------- INT 14 - 3com BAPI SERIAL I/O - READ STATUS AH = A7h DH = session ID (00h for external session managment) Return: AH = return code (00h,03h,07h,0Ah,0Bh) (see AH=A0h"BAPI") CX = number of bytes available for reading Note: Novell TELAPI.EXE v4.01 always returns either 0 or 1 bytes available SeeAlso: AH=A5h"BAPI" --------S-14A7------------------------------- INT 14 - Interconnections Inc. TES - SWITCH TO NEXT ACTIVE SESSION AH = A7h ??? Return: ??? SeeAlso: AH=A3h"TES",AH=A5h"TES" --------S-14A8------------------------------- INT 14 - Interconnections Inc. TES - SEND STRING TO COMMAND INTERPRETER AH = A8h AL = 00h no visible response ES:SI -> ASCIZ command Return: ??? --------N-14A8------------------------------- INT 14 - Novell TelAPI v4.01 - CONNECTION INFORMATION??? AH = A8h DH = session ID??? CH = subfunction 02h ??? 0Dh ??? 0Fh ??? 10h ??? 11h ??? 28h ??? else Return: AH = 09h (not supported) Return: AH = return code (see AH=A0h"BAPI") 00h successful CL = ??? (0/1/8) (subfunctions 02h,0Dh,0Fh,10h) CL = ??? (7Fh/FFh) (subfunction 28h) CX = ??? (subfunction 11h) SeeAlso: AH=A9h"TelAPI" --------N-14A9------------------------------- INT 14 - Novell TelAPI v4.01 - CONNECTION CONTROL??? AH = A9h DH = session ID??? CH = subfunction 02h ??? 0Dh ??? 0Fh ??? 10h ??? 11h ??? 28h ??? else Return: AH = 09h (not supported) ??? Return: AH = return code (see AH=A0h"BAPI") ??? SeeAlso: AH=A8h"TelAPI",AH=E4h,INT 6B/AX=0600h --------V-14AA01----------------------------- INT 14 - DimVGA v2.0 - INSTALLATION CHECK AX = AA01h Return: AX = FFFFh if installed, unchanged BX = version (v1.5+ only), BH = major, BL = minor (v1.5 = 0105h) Program: DimVGA is a public domain screen saver by Menno Pieters SeeAlso: AX=AA02h,AX=AA03h,AX=AA06h,INT 11/AX=0255h/BX=6900h,INT 12"KEYBUI" SeeAlso: INT 2D/AL=10h"Burnout Plus",INT 2F/AX=6400h,INT 2F/AH=93h SeeAlso: INT 2F/AX=C000h"VGAsave",INT 2F/AX=C000h"AD-DOS",INT 2F/AX=C050h SeeAlso: INT 2F/AX=E300h Index: screen saver;DimVGA --------V-14AA02----------------------------- INT 14 - DimVGA v2.0 - SET TIME-OUT (BLANKING) PERIOD AX = AA02h BX = number of clock ticks Return: AX = FFFFh SeeAlso: AX=AA01h,AX=AA03h,AX=AA04h,AX=AA06h Index: screen saver;DimVGA --------V-14AA03----------------------------- INT 14 - DimVGA v2.0 - SET DIMMING FACTOR AX = AA03h BX = percentage remaining visible (0-100) Return: AX = FFFFh SeeAlso: AX=AA02h,AX=AA05h,AX=AA06h Index: screen saver;DimVGA --------V-14AA04----------------------------- INT 14 - DimVGA v2.0 - GET TIME-OUT PERIOD AX = AA04h Return: AX = FFFFh BX = current time-out in clock ticks SeeAlso: AX=AA02h,AX=AA05h,AX=AA0Ah Index: screen saver;DimVGA --------V-14AA05----------------------------- INT 14 - DimVGA v2.0 - GET DIMMING FACTOR AX = AA05h Return: AX = FFFFh BX = current dimming factor SeeAlso: AX=AA03h,AX=AA04h,AX=AA0Ah Index: screen saver;DimVGA --------V-14AA06----------------------------- INT 14 - DimVGA v2.0 - DISABLE AX = AA06h Return: AX = FFFFh SeeAlso: AX=AA01h,AX=AA07h,AX=AA0Ah Index: screen saver;DimVGA --------V-14AA07----------------------------- INT 14 - DimVGA v2.0 - ENABLE AX = AA07h Return: AX = FFFFh SeeAlso: AX=AA01h,AX=AA06h,AX=AA0Ah Index: screen saver;DimVGA --------V-14AA08----------------------------- INT 14 - DimVGA v2.0 - DIM SCREEN 'MANUALLY' AX = AA08h Return: AX = FFFFh Note: this function will dim the screen immediately, even if DimVGA is currently disabled SeeAlso: AX=AA01h,AX=AA09h Index: screen saver;DimVGA --------V-14AA09----------------------------- INT 14 - DimVGA v2.0 - UNDIM SCREEN 'MANUALLY' AX = AA09h Return: AX = FFFFh Note: this function will undim the screen immediately, even if DimVGA is currently disabled SeeAlso: AX=AA01h,AX=AA08h Index: screen saver;DimVGA --------V-14AA0A----------------------------- INT 14 - DimVGA v2.0 - CHECK WHETHER ENABLED AX = AA0Ah Return: AX = FFFFh BX = current state (0000h disabled, 0001h enabled) SeeAlso: AX=AA01h,AX=AA06h,AX=AA07h Index: screen saver;DimVGA --------S-14AF00BXAAAA----------------------- INT 14 - 3com BAPI SERIAL I/O - INSTALLATION CHECK AX = AF00h BX = AAAAh Return: AX = AF01h if installed BH = protocol type (if BX=AAAAh on entry) 01h NetManage TCP/IP BL = version for protocol type (if BX=AAAAh on entry) Note: early versions of the BAPI and the ROM BIOS simply destroy AX; this behavior is used to determine whether the newer functions (AH=B0h, AH=B1h,etc) are available SeeAlso: AH=A0h"BAPI" --------S-14B0------------------------------- INT 14 - 3com BAPI SERIAL I/O - EN/DISABLE "ENTER COMMAND MODE" (ECM) CHARACTER AH = B0h AL = new state (00h disabled, 01h enabled) Return: AH = return code (00h,07h,0Ah) (see AH=A0h"BAPI") Note: disabling the ECM character allows applications to send data which includes the ECM character SeeAlso: AX=AF00h"BAPI",AH=B1h,AH=B2h --------S-14B1------------------------------- INT 14 - 3com BAPI SERIAL I/O - ENTER COMMAND MODE AH = B1h Return: AH = return code (00h,07h,0Ah) (see AH=A0h"BAPI") Desc: provide a means for the application or terminal emulator to perform the same action normally caused by the ECM character SeeAlso: AH=B0h,AH=B2h --------S-14B2------------------------------- INT 14 - 3com BAPI SERIAL I/O - GET ECM WATCH STATE AH = B2h Return: AH = return code (00h,07h,0Ah) (see AH=A0h"BAPI") AL = watch flag (00h disabled, 01h enabled) Desc: determine whether the ECM character is enabled SeeAlso: AH=B0h,AH=B1h --------S-14B3------------------------------- INT 14 - 3com BAPI SERIAL I/O - GET/SET CONFIGURATION INFO AH = B3h AL = direction (00h get, 01h set) DH = session ID (00h for external session managment) DL = configuration item (00h = end-of-line mapping) CX = new configuration item value (if AL=01h) ---if DL=00h--- CH = application EOL type (app to Telnet client) 01h application will send lone CR 02h application will send CR-? pair CL = driver EOL type (Telnet client to Telnet server) 01h driver should send CR-NUL pair 02h driver should send CR-LF pair Return: AH = return code (00h,03h,09h-0Bh) (see AH=A0h"BAPI") ---if AL=00h--- CX = configuration item value (see above) SeeAlso: AH=B2h --------N-14E0------------------------------- INT 14 - TelAPI - ??? AH = E0h BX = ??? CX:DX = ??? DS:DI -> ??? ES:SI -> ??? Return: AX = status (0000h,FF37h,etc.) ES:SI -> ??? if ??? ??? SeeAlso: AH=ECh,AX=FF00h --------S-14E000----------------------------- INT 14 - MX5 Extended FOSSIL - GET MNP STATUS BLOCK AX = E000h DX = port number (0-3) Return: ES:BX -> status block (see below) Program: MX5 is a FOSSIL driver by MagicSoft which emulates MNP Level 5, and ships with the MTEZ terminal program as MTEMNP.DRV (a TSR despite the .DRV extension) SeeAlso: AX=E006h Format of status block: Offset Size Description 00h BYTE flag: active (00h no, 01h yes) 01h BYTE MNP level (2,4,5) 02h BYTE series ID from remote MNP 03h DWORD total packets transmitted 07h DWORD duplicate packets transmitted 0Bh DWORD maximum speed 0Fh DWORD total packets received 13h DWORD duplicate packets received 17h DWORD maximum speed --------S-14E001----------------------------- INT 14 - MX5 Extended FOSSIL - GET/SET MNP LEVEL AX = E001h BH = function 00h get MNP level 01h set MNP level BL = new level (00h none, 02h/04h/05h MNP level N) DX = port number (0-3) Return: BL = MNP level SeeAlso: AX=E002h,AX=E003h,AX=E004h,AX=E006h --------S-14E002----------------------------- INT 14 - MX5 Extended FOSSIL - GET/SET MNP ANSWER/ORIGINATE MODE AX = E002h BH = function 00h get answer/originate mode 01h set mode BL = new mode (00h originate [default], 01h answer) DX = port number (0-3) Return: BL = answer/originate mode SeeAlso: AX=E001h,AX=E003h,AX=E006h --------S-14E003----------------------------- INT 14 - MX5 Extended FOSSIL - GET/SET MNP WAIT TICKS AX = E003h BH = function 00h get wait ticks 01h set wait ticks BL = MNP wait ticks (default 0Eh) DX = port number (0-3) Return: BL = wait ticks SeeAlso: AX=E001h,AX=E002h,AX=E006h --------S-14E004----------------------------- INT 14 - MX5 Extended FOSSIL - GET/SET MNP CONNECT SOUND LEVEL AX = E004h BH = function 00h get sound level 01h set sound level BL = new sound level (00h off, 01h on [default]) DX = port number Return: BL = sound state Desc: specify whether MX5 should generate beeps after an MNP connection (three high beeps if successful, high then low on connection failure) SeeAlso: AX=E002h,AX=E006h --------S-14E005----------------------------- INT 14 - MX5 Extended FOSSIL - UNINSTALL AX = E005h Return: BX = segment of MX5's memory block or 0000h on failure Note: caller must free the returned memory block to complete the uninstall SeeAlso: AX=E006h --------S-14E006BX0000----------------------- INT 14 - MX5 Extended FOSSIL - INSTALLATION CHECK AX = E006h BX = 0000h Return: BX = 4D58h ('MX') if installed AH = major version AL = minor version SeeAlso: AX=E000h,AX=E001h,AX=E005h,AX=E007h --------S-14E007----------------------------- INT 14 - MX5 Extended FOSSIL - WAIT SPECIFIED NUMBER OF TICKS AX = E007h CX = number of ticks to wait Return: nothing SeeAlso: AX=E006h --------N-14E1------------------------------- INT 14 - TelAPI - ??? AH = E1h BX = connection ID ??? Return: AX = status (0000h,FFF7h,maybe others) ??? SeeAlso: AH=E6h,AX=FF00h --------N-14E2------------------------------- INT 14 - TelAPI - BUFFERED READ AH = E2h BX = connection ID CX = length of buffer in bytes ES:SI -> buffer for data Return: AX = number of characters actually read??? (negative on error) SeeAlso: AH=E6h,AX=FF00h,INT 6B/AH=01h --------N-14E3------------------------------- INT 14 - TelAPI - BUFFERED WRITE AH = E3h BX = connection ID CX = length of buffer in bytes ES:SI -> buffer containing data Return: AX = number of characters actually written??? (negative on error) SeeAlso: AH=07h"TelAPI",AH=E6h,AX=FF00h,INT 6B/AH=00h --------N-14E4------------------------------- INT 14 - TelAPI - CONNECTION CONTROL??? AH = E4h BX = connection ID CX = ??? ES:SI -> 10-byte buffer containing ??? Return: ??? SeeAlso: AH=A9h,AH=E6h,AX=FF00h,INT 6B/AX=0600h --------N-14E5------------------------------- INT 14 - TelAPI - ??? AH = E5h Return: AX = status??? SeeAlso: AH=E6h,AX=FF00h --------N-14E6------------------------------- INT 14 - TelAPI - ??? AH = E6h Return: AX = status??? Notes: TelAPI also supports the NASI/NACS and NCSI APIs on INT 6B this function invokes AH=E5h internally SeeAlso: AX=FF00h,INT 6B/AH=00h,INT 6B/AH=10h --------N-14E7------------------------------- INT 14 - TelAPI - GET ??? AH = E7h ES:SI -> 20-byte buffer for ??? Return: AX = 0000h (successful) ES:SI buffer filled SeeAlso: AX=FF00h --------N-14E8------------------------------- INT 14 - TelAPI - SET ??? AH = E8h BX = connection ID CL = new value for ??? DX = ??? (ignored by Novell TELAPI v4.01) Return: AX = status (0000h,FFFFh) SeeAlso: AX=FF00h --------N-14E9------------------------------- INT 14 - TelAPI - ??? AH = E9h DX = ??? Return: ??? SeeAlso: AX=FF00h --------N-14EA------------------------------- INT 14 - TelAPI - GET CONNECTION INFO??? AH = EAh BX = connection ID ES:SI -> buffer for info??? Return: AX = status (0000h,FFFFh,etc.) SeeAlso: AX=FF00h --------N-14EB------------------------------- INT 14 - TelAPI - GET ??? AH = EBh ES:SI -> buffer for ??? Return: ES:SI buffer filled SeeAlso: AX=FF00h --------N-14EC------------------------------- INT 14 - TelAPI - ??? AH = ECh BX = ??? CX:DX = ??? DS:DI -> ??? ES:SI -> ??? Return: AX = status (0000h,FF37h,etc.) ES:SI -> ??? if ??? ??? Note: this function is not supported by the Microdyne TelAPI v3.7 SeeAlso: AH=E0h"TelAPI",AX=FF00h --------N-14ED------------------------------- INT 14 - TelAPI - ??? AH = EDh BX = connection ID Return: AX = status (0000h,FFFFh,etc.) Note: this function is not supported by the Microdyne TelAPI v3.7 SeeAlso: AX=FF00h --------a-14F0F0----------------------------- INT 14 - ASAP v1.0 - ??? AX = F0F0h DX = ??? ??? Return: ??? Program: ASAP (Automatic Screen Access Program) is a shareware screen reader by MicroTalk SeeAlso: AX=F0F1h --------a-14F0F1DX0000----------------------- INT 14 - ASAP v1.0 - INSTALLATION CHECK AX = F0F1h DX = 0000h Return: DX = segment of resident code = 0000h if not installed Program: ASAP (Automatic Screen Access Program) is a shareware screen reader by MicroTalk SeeAlso: AX=F0F0h,INT 10/AX=3800h --------S-14F4FF----------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - INSTALLATION CHECK AX = F4FFh DX = port (00h-03h) Return: CF clear if present AX = 0000h CF set if not present AX <> 0000h --------S-14F9------------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - REGAIN CONTROL AH = F9h DX = port (00h-03h) --------S-14FA------------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - SEND BREAK AH = FAh DX = port (00h-03h) SeeAlso: AH=1Ah,AH=8Ah --------S-14FB------------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - SET OUTGOING MODEM SIGNALS AH = FBh AL = modem control register (see AH=05h) DX = port (00h-03h) SeeAlso: AH=05h"SERIAL" --------S-14FC------------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - READ CHARACTER, NO WAIT AH = FCh DX = port (00h-03h) Return: AH = RS232 status bits (see AH=00h) AL = character SeeAlso: AH=02h,AH=0Ch,AX=FF02h --------S-14FD02----------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - READ STATUS AX = FD02h Return: CX = number of characters available --------N-14FF00----------------------------- INT 14 - TelAPI - INSTALLATION CHECK AX = FF00h Return: AL = FFh if installed AH = 00h for Novell TELAPI.EXE SeeAlso: AH=E6h --------S-14FF01----------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - SET SEND BUFFER AX = FF01h CX = length of buffer (0000h to cancel buffer assignment) DX = port (00h-03h) ES:BX -> send buffer SeeAlso: AH=18h,AH=83h"COURIERS",AH=A5h"BAPI",AH=FCh,AX=FF02h --------S-14FF02----------------------------- INT 14 - IBM/Yale EBIOS SERIAL I/O - SET RECEIVE BUFFER AX = FF02h CX = length of buffer (0000h to cancel buffer assignment) DX = port (00h-03h) ES:BX -> receive buffer SeeAlso: AH=18h,AH=83h"COURIERS",AH=A5h"BAPI",AH=FCh,AX=FF03h --------t-15--------------------------------- INT 15 - Microsoft TSR Specification No additional information available at this time. --------B-1500------------------------------- INT 15 - CASSETTE - TURN ON TAPE DRIVE'S MOTOR (PC and PCjr only) AH = 00h Return: CF set on error AH = 86h no cassette present CF clear if successful SeeAlso: AH=01h"CASSETTE" --------M-1500------------------------------- INT 15 - Amstrad PC1512 - GET AND RESET MOUSE COUNTS AH = 00h Return: CX = signed X count DX = signed Y count --------O-1500------------------------------- INT 15 - VMiX v2+ - INSTALLATION CHECK AH = 00h Return: DX = 0798h if installed AX = version (AH = major, AL = minor) --------T-1500------------------------------- INT 15 - MultiDOS Plus - GIVE UP TIME SLICE AH = 00h Note: if issued by the highest-priority task while MultiDOS is using priority-based rather than round-robin scheduling, control will be returned to the caller immediately SeeAlso: AH=03h"MultiDOS",AX=1000h --------B-1501------------------------------- INT 15 - CASSETTE - TURN OFF TAPE DRIVE'S MOTOR (PC and PCjr only) AH = 01h Return: CF set on error AH = 86h no cassette present CF clear if successful SeeAlso: AH=00h"CASSETTE" --------b-1501------------------------------- INT 15 - Amstrad PC1512 - WRITE DATA TO NON-VOLATILE RAM AH = 01h AL = NVRAM location (00h to 3Fh) BL = NVRAM data value Return: AH = return code 00h OK 01h address bad 02h write error SeeAlso: AH=02h"Amstrad" Format of NVRAM: Offset Size Description 00h BYTE time of day: seconds 01h BYTE alarm time: seconds 02h BYTE time of day: minutes 03h BYTE alarm time: minutes 04h BYTE time of day: hours 05h BYTE alarm time: hours 06h BYTE day of week, 1 = Sunday 07h BYTE day of month 08h BYTE month 09h BYTE year mod 100 0Ah BYTE RTC status register A (see below) 0Bh BYTE RTC status register B (see below) 0Ch BYTE RTC status register C (read-only) (see below) 0Dh BYTE RTC status register D bit 7: battery good 0Eh 6 BYTEs time and date machine last used 14h BYTE user RAM checksum 15h WORD Enter key scancode/ASCII code 17h WORD Forward delete key scancode/ASCII code 19h WORD Joystick fire button 1 scancode/ASCII code 1Bh WORD Joystick fire button 2 scancode/ASCII code 1Dh WORD mouse button 1 scancode/ASCII code 1Fh WORD mouse button 2 scancode/ASCII code 21h BYTE mouse X scaling factor 22h BYTE mouse Y scaling factor 23h BYTE initial VDU mode and drive count 24h BYTE initial VDU character attribute 25h BYTE size of RAM disk in 2K blocks 26h BYTE initial system UART setup byte 27h BYTE initial external UART setup byte 28h 24 BYTEs available for user application Note: bytes 00h-0Dh are the same on the IBM AT as they are used/updated by the clock chip Bitfields for RTC status register A: Bit(s) Description 7 set if date/time being updated 6-4 time base speed, default 010 = 32768 Hz 3-0 interrupt rate selection, default 0110 = 1024 Hz Bitfields for RTC status register B: Bit(s) Description 7 clear if normal update, set if abort update 6 periodic interrupt enable 5 alarm interrupt enable 4 update end interrupt enable 3 square wave enable 2 date mode (clear = BCD, set = binary) 1 24-hour format 0 daylight saving time enable Bitfields for RTC status register C: Bit(s) Description 7 IRQF flag 6 PF flag 5 AF flag 4 UF flag --------O-1501------------------------------- INT 15 - VMiX - "sys_chanreq" - I/O CHANNEL OBJECT MANAGER AH = 01h STACK: WORD object ID of requestor DWORD pointer to ASCIZ name of requested method "assign" assign channel to object "deassign" deassign channel "cursor" set cursor on/off "init" initialize comm port "open" open I/O channel "position" set cursor position "receive" get buffered packet from comm port "send" send buffered packet to comm port "vio" set current virtual I/O to specified channel "window" make window at cursor position ---if "assign"--- WORD object UID WORD caller UID/PID DWORD CSL with port ---if "deassign"--- WORD channel ID ---if "cursor"--- WORD channel ID (must be a SRCSINK) WORD new state (0000h off, 0001h on) ---if "init"--- WORD channel ID (must be a SRCSINK) WORD comm port number (00h-03h) WORD UART init code ---if "open"--- WORD channel ID ---if "position"--- WORD channel ID (must be a SRCSINK) WORD position (high byte = row, low byte = column) ---if "receive"--- DWORD pointer to buffer ---if "send"--- WORD length of buffer DWORD pointer to buffer ---if "vio"--- WORD channel ID (must be a SRCSINK) ---if "window"--- WORD top left (high byte = row, low byte = column) WORD bottom right (high byte = row, low byte = column) Return: DX:AX -> IRP structure or 0000h:0000h SeeAlso: AH=00h"VMiX",AH=02h"VMiX" --------T-1501------------------------------- INT 15 - MultiDOS Plus - REQUEST RESOURCE SEMAPHORE AH = 01h AL = semaphore number (00h-3Fh) Return: AH = status 00h successful 02h invalid semaphore number Notes: if the semaphore is not owned, ownership is assigned to the calling task and the call returns immediately if the semaphore is already owned by another task, the calling task is placed on a queue for the semaphore and suspended until it can become owner of the semaphore semaphore 0 is used internally by MultiDOS to synchronize DOS access SeeAlso: AH=02h"MultiDOS",AH=10h"MultiDOS",AH=1Bh"MultiDOS" --------B-1502------------------------------- INT 15 - CASSETTE - READ DATA (PC and PCjr only) AH = 02h CX = number of bytes to read ES:BX -> buffer Return: CF clear if successful DX = number of bytes read ES:BX -> byte following last byte read CF set on error AH = status (see below) SeeAlso: AH=00h"CASSETTE",AH=03h"CASSETTE" Values for status: 00h successful 01h CRC error 02h bad tape signals 04h no data 80h invalid command 86h no cassette present --------b-1502------------------------------- INT 15 - Amstrad PC1512 - READ DATA FROM NON-VOLATILE RAM AH = 02h AL = NVRAM location (00h to 3Fh) Return: AH = return code 00h OK 01h address bad 02h checksum error AL = NVRAM data value SeeAlso: AH=01h"Amstrad" --------O-1502------------------------------- INT 15 - VMiX - "sys_memreq" - MEMORY OBJECT MANAGER AH = 02h STACK: WORD object ID of requestor DWORD pointer to ASCIZ name of requested method "assign" allocate low memory block "assign extended" allocate extended memory pages "assign gdt" allocate GDT selector "paged" allocate low paged memory "paged extended" alllocate extended memory pages "deassign" free memory block "deassign gdt" free GDT selector "getvpage" get physical address for virtual page "setvpage" set physical address for virtual page "info" get VMiX memory usage info block "move" move contents of 32-bit memory "newmcb" make new DOS memory control block "owner" get process ID of MCB or PSP owner "umb" allocate upper memory block "video" toggle system use of vidoe memory and get stat ---if "assign"--- WORD number of objects WORD size in bytes (multiple of 512 bytes) ---if "assign extended"--- WORD number of objects WORD size in bytes (multiple of 4K) ---if "assign gdt"--- WORD access type (low byte) WORD segment size in paragraphs DWORD pointer to start of physical segment ---if "paged"--- WORD number of 512-byte pages ---if "paged extended" WORD number of 4K pages ---if "deassign"--- DWORD pointer returned by previous allocation call ---if "deassign gdt"--- WORD GDT selector ---if "getvpage"--- WORD owner's process ID DWORD pointer to buffer for page structure (struct VPGE) ---if "setvpage"--- WORD owner's process ID DWORD pointer to new page structure (struct VPGE) ---if "info"--- no additional arguments ---if "move" DWORD 32-bit source address DWORD 32-bit destination address WORD number of words to move ---if "newmcb"--- DWORD pointer to new MCB's location WORD size of memory block DWORD pointer to ASCIZ name string (max 8 chars) ---if "owner"--- WORD MCB or PSP segment ---if "umb"--- WORD size in paragraphs ---if "video"--- no additional arguments Return: DX:AX -> memory block or VPGE struct or 0000h:0000h SeeAlso: AH=00h"VMiX",AH=01h"VMiX" --------T-1502------------------------------- INT 15 - MultiDOS Plus - RELEASE RESOURCE SEMAPHORE AH = 02h AL = semaphore number (00h-3Fh) Return: AH = status 00h successful 01h not semaphore owner 02h invalid semaphore number Notes: if any tasks are waiting for the semaphore, the first task on the wait queue will become the new owner and be reawakened do not use within an interrupt handler SeeAlso: AH=01h"MultiDOS",AH=10h"MultiDOS",AH=1Ch"MultiDOS" --------B-1503------------------------------- INT 15 - CASSETTE - WRITE DATA (PC and PCjr only) AH = 03h CX = number of bytes to write ES:BX -> data buffer Return: CF clear if successful ES:BX -> byte following last byte written CF set on error AH = status (see AH=02h"CASSETTE") CX = 0000h SeeAlso: AH=00h"CASSETTE",AH=02h"CASSETTE" --------V-1503------------------------------- INT 15 - Amstrad PC1512 - WRITE VDU COLOR PLANE WRITE REGISTER AH = 03h AL = value (I,R,G,B bits) SeeAlso: AH=04h"Amstrad" --------O-1503------------------------------- INT 15 - VMiX - "sys_pinput" - PROMPTED CONSOLE INPUT AH = 03h STACK: DWORD pointer to ASCII prompt WORD field outline character WORD length of input field (max 7Fh) DWORD address of pointer to input buffer Return: AX = length of input (input buffer is padded with blanks) SeeAlso: AH=04h"VMiX" --------T-1503------------------------------- INT 15 - MultiDOS Plus - SUSPEND TASK FOR INTERVAL AH = 03h DX = number of time slices to remain suspended Return: after specified interval has elapsed Note: when priority-based scheduling is in use, high-priority tasks should use this function to yield the processor SeeAlso: AH=00h"MultiDOS",AH=0Ah"MultiDOS" --------B-1504------------------------------- INT 15 - SYSTEM - BUILD ABIOS SYSTEM PARAMETER TABLE (PS) AH = 04h ES:DI -> results buffer length 20h for System Parameter Table DS = segment containing ABIOS RAM extensions (zero if none) Return: AH = 00h success: results at ES:DI CF set on failure SeeAlso: AH=05h"ABIOS",C1h Format of ABIOS System Parameter Table: Offset Size Description 00h DWORD FAR address of ABIOS Common Start Routine 04h DWORD FAR address of ABIOS Interrupt Routine 08h DWORD FAR address of ABIOS Time-out Routine 0Ch WORD number of bytes of stack required by this ABIOS implementation 0Eh 16 BYTEs reserved 1Eh WORD number of entries in initialization table --------V-1504------------------------------- INT 15 - Amstrad PC1512 - WRITE VDU COLOR PLANE READ REGISTER AH = 04h AL = value (RDSEL1 and RDSEL0) SeeAlso: AH=03h"Amstrad",05h"Amstrad" --------O-1504------------------------------- INT 15 - VMiX - "sys_vprintf" - FORMATTED OUTPUT TO STREAM AH = 04h STACK: DWORD control string DWORD array of arguments SeeAlso: AH=03h"VMiX" --------T-1504------------------------------- INT 15 - MultiDOS Plus - SEND MESSAGE TO ANOTHER TASK AH = 04h AL = mailbox number (00h-3Fh) CX = message length in bytes DS:SI -> message Return: AH = status 00h successful 01h out of message memory 02h invalid mailbox number Note: the message is copied into a system buffer; the caller may immediately reuse its buffer SeeAlso: AH=05h"MultiDOS" --------B-1505------------------------------- INT 15 - SYSTEM - BUILD ABIOS INITIALIZATION TABLE (PS) AH = 05h ES:DI -> results buffer length (18h * Number_of_Entries) DS = segment containing ABIOS RAM extensions (zero if none) Return: AH = 00h success: results at ES:DI CF set on failure SeeAlso: AH=04h"ABIOS",C1h Format of one entry of ABIOS Initialization Table: Offset Size Description 00h WORD device ID 02h WORD number of Logical IDs 04h WORD Device Block length (zero for ABIOS patch or extension) 06h DWORD -> init routine for Device Block and Function Transfer Table 0Ah WORD request block length 0Ch WORD Function Transfer Table length (zero for a patch) 0Eh WORD Data Pointers length (in Common Data Area) 10h BYTE secondary device ID (hardware level this ABIOS ver supports) 11h BYTE revision (device driver revision level this ABIOS supports) 12h 6 BYTEs reserved --------V-1505------------------------------- INT 15 - Amstrad PC1512 - WRITE VDU GRAPHICS BORDER REGISTER AH = 05h AL = value (I,R,G,B bits) SeeAlso: AH=04h"Amstrad" --------O-1505------------------------------- INT 15 - VMiX - "sys_getpid" - GET PROCESS ID OF CURRENT PROCESS AH = 05h Return: AX = process ID SeeAlso: AH=06h"VMiX",AH=0Bh"VMiX" --------T-1505------------------------------- INT 15 - MultiDOS Plus - CHECK MAILBOX AH = 05h AL = mailbox number (00h-3Fh) Return: AH = status 00h successful DX = length of first message in queue, 0000h if no message 02h invalid mailbox number SeeAlso: AH=04h"MultiDOS",AH=06h"MultiDOS" --------b-1506------------------------------- INT 15 - Amstrad PC1512 - GET ROS VERSION NUMBER AH = 06h Return: BX = version number --------O-1506------------------------------- INT 15 - VMiX - "sys_getpcb" - GET POINTER TO PROCESS CONTROL BLOCK AH = 06h STACK: WORD process ID Return: DX:AX -> process control block SeeAlso: AH=05h"VMiX",AH=07h"VMiX",AH=08h"VMiX" --------T-1506------------------------------- INT 15 - MultiDOS Plus - READ MAILBOX AH = 06h AL = mailbox number (00h-3Fh) CX = size of buffer in bytes ES:DI -> buffer for message Return: AH = status 00h successful CX = number of bytes copied DX = actual length of message 02h invalid mailbox number Note: if the caller's buffer is not large enough, the message is truncated and the remainder is lost SeeAlso: AH=04h"MultiDOS",AH=05h"MultiDOS" --------O-1507------------------------------- INT 15 - VMiX - "sys_getocb" - GET POINTER TO OBJECT CONTROL BLOCK AH = 07h STACK: WORD object type Return: DX:AX -> object control block SeeAlso: AH=06h"VMiX",AH=08h"VMiX" --------T-1507------------------------------- INT 15 - MultiDOS Plus - SPAWN INTERNAL TASK (CREATE NEW THREAD) AH = 07h BX:CX = entry point of new task DX = stack size in paragraphs Return: AH = status 00h successful 01h no free task control blocks 02h no free memory for task's stack Note: execution returns immediately to calling task SeeAlso: AH=08h"MultiDOS",AH=09h"MultiDOS",AH=13h"MultiDOS" --------O-1508------------------------------- INT 15 - VMiX - "sys_getccb" - GET CHANNEL CONTROL BLOCK AH = 08h STACK: WORD channel ID Return: DX:AX -> channel control block SeeAlso: AH=06h"VMiX",AH=07h"VMiX" --------T-1508------------------------------- INT 15 - MultiDOS Plus - TERMINATE INTERNAL TASK (KILL THREAD) AH = 08h Return: calling task terminated, so execution never returns to caller Notes: an internal task must be terminated with this function rather than a DOS termination function task's stack space is returned to parent task's memory pool SeeAlso: AH=07h"MultiDOS" --------O-1509------------------------------- INT 15 - VMiX - "sys_getqueue" - GET ID OF QUEUED ELEMENT AH = 09h STACK: WORD queue ID (0 = process queue, 1 = object, 3 = type) WORD subqueue ID Return: AX = queue ID SeeAlso: AH=0Ah"VMiX" --------T-1509------------------------------- INT 15 - MultiDOS Plus - CHANGE TASK'S PRIORITY AH = 09h AL = new priority Note: the priority has different meanings depending on whether priority- based or round-robin scheduling is used SeeAlso: AH=07h"MultiDOS" --------O-150A------------------------------- INT 15 - VMiX - "sys_qetqnext" - GET ID OF NEXT QUEUED ELEMENT AH = 0Ah STACK: WORD queue ID (0 = process queue, 1 = object, 3 = type) WORD ID of current element in queue chain Return: AX = ID of next element SeeAlso: AH=09h"VMiX",AH=0Fh"VMiX" --------T-150A------------------------------- INT 15 - MultiDOS Plus - CHANGE TIME SLICE INTERVAL AH = 0Ah AL = new interval 00h = 55.0 ms (default) 80h = 27.5 ms 40h = 13.75 ms 20h = 6.88 ms 10h = 3.44 ms 08h = 1.72 ms SeeAlso: AH=03h"MultiDOS" --------O-150B------------------------------- INT 15 - VMiX - "sys_sysreq" - SYSTEM CONFIGURATION MANAGER AH = 0Bh STACK: WORD caller's UID DWORD pointer to ASCIZ name of requested method "abort" abort current send/receive on comm port "block" start/end critical section "close" terminate interrupt-drive comm I/O "open" prepare comm port for interrupt-driven I/O "delay" set delay timer and wait "hibernate" put process to sleep "ints" enable/disable interrupt-driven INT 14h "length" get current send/receive buffer offsets "kswitch" switch stacks "numproc" get number of active processes "protocol" set protocol function for comm interrupts "relocate" set/reset VMiX flag for relocating to himem "status" get current open comm port status "wake" awaken a process "xport" get comm port polled for logins ---if "abort"--- no additional arguments ---if "block"--- WORD 0000h end, 0001h start ---if "close"--- no additional arguments ---if "open"--- WORD comm port (00h-03h) WORD BIOS parameter byte (see INT 14/AH=00h), except bits 7-5 = 000 for 19200, 001 for 38400, 011 for 115200 ---if "delay"--- WORD time in seconds ---if "hibernate"--- WORD process ID ---if "ints"--- WORD 0000h if no, 0001h if yes ---if "length","numproc","relocate","status","xport"--- no additional arguments ---if "kswitch"--- DWORD pointer to new stack ---if "protocol"--- DWORD pointer to function (must be in low "assign"ed memory when in 386 mode) ---if "wake"--- WORD process ID Return: DX:AX -> result or 0000h:0000h ---if "length"--- BYTE receive offset BYTE send offset ---if "kswitch"--- DWORD old stack pointer ---if "numproc"--- WORD number of active processes ---if "status"--- current open comm port status ---if "xport"--- current comm port being polled for logins SeeAlso: AH=05h"VMiX",AH=0Eh"VMiX" --------T-150B------------------------------- INT 15 - MultiDOS Plus - FORCE DISPLAY OUTPUT TO PHYSICAL SCREEN MEMORY AH = 0Bh Notes: sets calling task's screen pointer to actual screen memory; the pointer may be restored with AH=0Ch caller's video mode must be same as foreground task's video mode any text written while in the background will be saved to the foreground task's virtual screen when it switches to the background useful if a background task wants to display a message on the foreground screen SeeAlso: AH=0Ch"MultiDOS" --------O-150C------------------------------- INT 15 - VMiX - "sys_getstack" - GET POINTER TO PROCESS TSS STACK AH = 0Ch STACK: WORD process ID Return: DX:AX -> TSS stack store SeeAlso: AH=00"VMiX" --------T-150C------------------------------- INT 15 - MultiDOS Plus - RESTORE OLD VIDEO DISPLAY MEMORY AH = 0Ch Note: restores task's screen pointer saved by AH=0Bh; must not be called unless AH=0Bh has been called first SeeAlso: AH=0Bh"MultiDOS" --------O-150D------------------------------- INT 15 - VMiX - "sys_spawn" - START A CHILD PROCESS JOB SHELL AH = 0Dh STACK: DWORD ASCIZ string starting with requested I/O channel and followed by standard VMiX shell command string Return: AX = process ID or error code "SYS_ERROR" Note: the maximum string length is 7Fh characters SeeAlso: AH=0Eh"VMIX",AH=11h"VMiX",INT 21/AH=4Bh --------T-150D------------------------------- INT 15 - MultiDOS Plus - DISABLE MULTITASKING AH = 0Dh Note: calling task receives all time slices until AH=0Eh is called; this allows time-critical events or nonreentrant code to be processed SeeAlso: AH=0Eh"MultiDOS",AH=10h"MultiDOS",AX=101Bh,AH=20h"MultiDOS" --------O-150E------------------------------- INT 15 - VMiX - "sys_kill" - HARD TERMINATE PROCESS AH = 0Eh STACK: WORD process ID Return: AX = status (SYS_OK or SYS_ERROR) SeeAlso: AH=0Bh"VMiX",AH=0Dh"VMIX" --------T-150E------------------------------- INT 15 - MultiDOS Plus - ENABLE MULTITASKING AH = 0Eh SeeAlso: AH=0Dh"MultiDOS",AX=101Ch,AH=20h"MultiDOS" --------d-150F------------------------------- INT 15 C - SYSTEM - FORMAT UNIT PERIODIC INTERRUPT (PS ESDI drives only) AH = 0Fh AL = phase code 00h reserved 01h surface analysis 02h formatting Return: CF clear if formatting should continue, set if it should terminate Note: called during ESDI drive formatting after each cylinder is completed SeeAlso: INT 13/AH=1Ah --------O-150F------------------------------- INT 15 - VMiX - "sys_getqkey" - GET KEY FIELD OF QUEUED ELEMENT AH = 0Fh STACK: WORD queue ID (0 = process queue, 1 = object q, 3 = type q) WORD ID of element in queue chain Return: AX = key SeeAlso: AH=0Ah"VMiX" --------T-150F------------------------------- INT 15 - MultiDOS Plus - EXECUTE A MULTIDOS PLUS COMMAND AH = 0Fh DS:BX -> ASCIZ command Return: after command has been processed Notes: specified string is executed as if it had been typed at the MultiDOS command prompt the task is placed on a queue which MultiDOS examines periodically and is suspended until MultiDOS has processed the command all lowercase characters up to the first blank are converted to upper case within the given buffer --------O-1510------------------------------- INT 15 - VMiX - "sys_virtual" - EXECUTE CONFORMING FUNCTION IN PROTECTED MODE AH = 10h STACK: DWORD pointer to function N WORDs function args Return: AX = function's return value??? (not specified in documentation) Note: while the function is executing, the following global descriptors are available: 20h stack segment 38h code segment of function 40h data alias for function's code segment additional GDT descriptors can be allocated using AH=02h with function "assign gdt" SeeAlso: AH=02h"VMiX",AH=51h"VMiX" --------T-1510------------------------------- INT 15 - MultiDOS Plus - TEST RESOURCE SEMAPHORE AH = 10h AL = semaphore number (00h-3Fh) Return: AH = status 00h semaphore not in use 01h semaphore owned by another task 02h invalid semaphore number 03h semaphore owned by caller SeeAlso: AH=02h"MultiDOS",AH=0Dh"MultiDOS",AH=1Dh"MultiDOS" --------Q-151000----------------------------- INT 15 - TopView - "PAUSE" - GIVE UP CPU TIME AX = 1000h Return: after other processes run Note: under DESQview, if the process issuing this call has hooked INT 08h, the current time-slice is set to expire at the next clock tick rather than immediately SeeAlso: AH=00h"MultiDOS",AX=5305h,INT 21/AH=89h,INT 21/AH=EEh"DoubleDOS" SeeAlso: INT 2F/AX=1680h,INT 60/DI=0106h,INT 62/AH=01h,INT 7A/BX=000Ah SeeAlso: INT 7F/AH=E8h --------Q-151001----------------------------- INT 15 - TopView - "GETMEM" - ALLOCATE "SYSTEM" MEMORY AX = 1001h BX = number of bytes to allocate Return: ES:DI -> block of memory or 0000h:0000h (DV v2.26+) AX = status (DV v2.42) 0000h successful 0001h failed Note: use SETERROR (AX=DE15h) to avoid a user prompt if there is insufficient common memory. Under DV v2.42, this call never generates a user prompt regardless of the SETERROR value; instead, it always returns AX=0001h and ES:DI=0000h:0000h if out of memory SeeAlso: AX=1002h,AX=102Eh,AX=DE0Ch,AX=DE15h --------Q-151002----------------------------- INT 15 - TopView - "PUTMEM" - DEALLOCATE "SYSTEM" MEMORY AX = 1002h ES:DI -> previously allocated block Return: block freed SeeAlso: AX=1001h,AX=DE0Dh --------Q-151003----------------------------- INT 15 - TopView - "PRINTC" - DISPLAY CHARACTER/ATTRIBUTE ON SCREEN AX = 1003h BH = attribute BL = character DX = segment of object handle for window Note: BX=0 does not display anything, it only positions the hardware cursor --------Q-1510------------------------------- INT 15 - TopView - UNIMPLEMENTED IN DV 2.x AH = 10h AL = 04h thru 12h Return: pops up "Programming error" window in DV 2.x --------Q-151013----------------------------- INT 15 - TopView - "GETBIT" - DEFINE A 2ND-LEVEL INTERRUPT HANDLER AX = 1013h ES:DI -> FAR service routine Return: BX = bit mask indicating which bit was allocated 0000h if no more bits available SeeAlso: AX=1014h,AX=1015h Note: only a few TopView/DESQview API calls are allowed during a hardware interrupt; if other calls need to be made, the interrupt handler must schedule a 2nd-level interrupt with "SETBIT" (AX=1015h) --------Q-151014----------------------------- INT 15 - TopView - "FREEBIT" - UNDEFINE A 2ND-LEVEL INTERRUPT HANDLER AX = 1014h BX = bit mask from INT 15/AX=1013h SeeAlso: AX=1013h,AX=1015h --------Q-151015----------------------------- INT 15 - TopView - "SETBIT" - SCHEDULE ONE OR MORE 2ND-LEVEL INTERRUPTS AX = 1015h BX = bit mask for interrupts to post Return: indicated routines will be called: (DV 2.0x) at next task switch (DV 2.2x) immediately on return from hardware interrupt SeeAlso: AX=1013h,AX=1014h Notes: this is one of the few TopView calls which are allowed from a hardware interrupt handler the handler will be called with ES containing the segment of the handle of the next task to be executed; on return, ES must be the segment of a task handle --------Q-151016----------------------------- INT 15 - TopView - "ISOBJ" - VERIFY OBJECT HANDLE AX = 1016h ES:DI = possible object handle Return: BX = FFFFh if ES:DI is a valid object handle 0000h if ES:DI is not Note: under DESQview versions prior to 2.50, an object handle is always a pointer to the object; for versions 2.50 and up, only task handles are always pointers (other handles may consist of a unique object number and offset into DESQview's common memory) SeeAlso: AX=DE14h,AX=DE2Bh,AX=DE2Ch Format of object: Offset Size Description 00h WORD offset in common memory of previous object of same type 02h WORD offset in common memory of next object of same type 04h WORD signature FEDCh (DV 2.42-) signature FEDCh or object number (DV 2.50+) 06h WORD object type 00h window/task 01h mailbox 02h keyboard 03h timer 04h pointer 05h panel 06h objectq 08h DWORD object handle to return to caller 0Ch DWORD canonicalized object address (segment = common memory) 10h WORD offset in common memory of owning task (0000h for unowned OBJECTQs) 12h WORD mapping context offset in common memory of mapping context record (see below) remainder varies by object type and DESQview version ---v2.42 keyboard object--- 14h WORD flag bits (see also AH=12h/BH=0Ah"OBJECT") bit 15: keyboard opened 16h 4 BYTEs ??? 1Ah WORD priority in OBJECTQ??? 1Ch ... 25h WORD offset in common memory of ??? task 27h 4 BYTEs ??? ---v2.42 objectq object--- 14h WORD flag bits (see also AH=12h/BH=0Ah"OBJECT") bit 15: OBJECTQ opened 16h 2 BYTEs ??? 18h WORD offset in common memory of ??? task 1Ah 6 BYTEs ??? ---v2.42 mailbox object--- 14h WORD flag bits (see also AH=12h/BH=0Ah"OBJECT") bit 15: mailbox opened 1Ah WORD priority in OBJECTQ??? 1Ch 6 BYTEs ??? 22h WORD offset in common memory of mailbox name (counted string) 0000h if no name <= 5 BYTEs ??? ---v2.22-2.42,2.52,2.60 window/task object--- 14h BYTE 00h window, 01h task 15h BYTE internal (not Switch menu) window number??? 16h BYTE internal (not Switch menu) window number??? 17h WORD segment of internal window record (see below) 19h 2 BYTEs ??? 1Bh BYTE cursor row 1Ch BYTE cursor column 1Dh BYTE visible window origin, row 1Eh BYTE visible window origin, column 1Fh BYTE window height (logical) 20h BYTE window width (logical) 21h BYTE window position, row 22h BYTE window position, column 23h BYTE window height (visible) 24h BYTE window width (visible) 25h BYTE row of top of frame (or window if unframed) 26h BYTE column of left of frame (or window if unframed) 27h BYTE window height (physical, including frame) 28h BYTE window width (physical, including frame) 29h BYTE unzoomed visible origin, row (00h before first zoom) 2Ah BYTE unzoomed visible origin, column (00h before first zoom) 2Bh BYTE unzoomed window position, row (00h before first zoom) 2Ch BYTE unzoomed window position, column (00h before first zoom) 2Dh BYTE unzoomed window height (00h before first zoom) 2Eh BYTE unzoomed window width (00h before first zoom) unzoomed parameters above are updated when window is zoomed to full screen 2Fh BYTE ??? initially logical window height 30h BYTE ??? initially logical window width 31h 2 BYTEs ??? 33h BYTE minimum height of window 34h BYTE minimum width of window 35h BYTE maximum height of window 36h BYTE maximum width of window 37h 3 BYTEs ??? 3Ah 8 BYTEs window frame characters: ul,ur,ll,lr,t,b,l,r 42h 24 BYTEs attributes??? 5Ah 8 BYTEs window frame characters: ul,ur,ll,lr,t,b,l,r 62h 3 BYTEs ??? 65h BYTE ??? bitflags 66h BYTE bit 0: window is zoomed 67h BYTE ??? 68h WORD offset in common memory of window name or 0000h if untitled 6Ah WORD length of window name 6Ch 2 BYTEs ??? 6Eh WORD offset of logical cursor in window (in character cells) 70h DWORD pointer to field table for window 74h BYTE ??? 75h 2 BYTEs ??? 77h BYTE number of last-visited field 78h DWORD pointer to field table entry for last-visited field 7Ch 3 BYTEs ??? 7Fh BYTE select field marker character 80h BYTE ??? bit flags bit 0: allow ECh window stream opcode to change reverse logattr bit 1: alternate field processing mode selected 81h BYTE ??? 82h DWORD notification function (manager stream opcode 8Ah) no notification if segment = 0000h 86h DWORD notification argument (manager stream opcode 8Bh) 8Ah WORD offset in common memory of ??? window object or 0000h 8Ch WORD offset in common memory of ??? window object or 0000h 8Eh WORD offset in common memory of ??? window object or 0000h 90h BYTE ??? bitflags 91h BYTE ??? ---task object only 92h BYTE bit flags (bits 0-4) 93h BYTE character for ??? (default 20h) 94h BYTE ??? flag 95h WORD offset in common memory of ??? 97h 2 BYTEs ??? 99h WORD ??? 9Bh BYTE ??? bit flags bit 3: ??? bit 6: perform protected-attribute processing on select fields 9Ch BYTE ??? 9Dh WORD offset in common memory of current register save record (see below). No register save record in use if < 01C0h 9Fh WORD offset in common memory of task's keyboard object A1h WORD offset in common memory of task's OBJECTQ object A3h WORD offset in common memory of task's mailbox object A5h WORD semaphore: FFFFh if on user stack, else on task's private stack A7h DWORD user's SS:SP ABh WORD task's private SP (SS read from offset 0Ah) ADh 6 BYTEs ??? B3h BYTE ??? bit flags bit 0: run in foreground only B4h BYTE ??? B5h BYTE ??? bitflags B6h BYTE task status (see AX=DE2Ch) B7h 9 BYTEs ??? C0h WORD head pointer for keyboard buffer (wraps back to 00h after 80h) C2h WORD tail pointer for keyboard buffer (wraps back to 00h after 80h) C4h 2 BYTEs ??? (0000h) C6h WORD segment of keyboard buffer for task C8h WORD offset in common memory of ??? keyboard object CAh BYTE ??? ---v2.22-2.42 CBh WORD offset in common memory of ??? object CEh BYTE ??? flag CFh WORD offset in common memory of default notify window for task or 0000h if none D1h 4 BYTEs ??? D5h BYTE window number on Switch Window menu D6h 5 BYTEs ??? DBh WORD offset in common memory of ??? object DDh 2 BYTEs ??? DFh WORD API level for task E1h WORD offset in common memory of object task is waiting on if task status is 'waiting', else 0000h E7h WORD segment of ??? E9h 4 BYTEs ??? EDh WORD EMS handle of virtualization buffer, 0000h if no virtualization F1h 12 BYTEs ??? FBh WORD ??? FDh BYTE ??? FFh 12 BYTEs ??? 10Bh DWORD pointer to process record (see below) 10Dh 10 BYTEs ??? 119h DWORD SS:SP for ??? 11Dh 4 BYTEs ??? 121h DWORD pointer to ??? 125h 25 BYTEs ??? 13Eh DWORD pointer to ??? in system memory ---v2.22 142h 3 BYTEs ??? 145h task's default keyboard object ---v2.42 142h DWORD pointer to first task instance data record in system memory 148h DWORD pointer to last task instance data record in system memory (see below) 14Ah BYTE ??? 14Dh 42 BYTEs task's default keyboard object 177h 32 BYTEs task's ObjectQ object 197h 41 BYTEs task's default mailbox object 1C0h 24 BYTEs first register save record 450h -- default top of private stack ---v2.52 (probably all DV/X) Same as v2.60 below except there is an extra 29 bytes inserted somewhere before offset 9Fh, but not yet known exactly where. Also, for the WAIT_ON field (v2.60 offset E3h), some X apps (probably waiting on a socket) have 0000h even when waiting. ---v2.60 CBh WORD ??? (added in 2.50 - rest is same as 2.42) CDh WORD offset in common memory of ??? object D0h BYTE ??? flag D1h WORD offset in common memory of default notify window for task or 0000h if none D3h 4 BYTEs ??? D7h BYTE window number on Switch Window menu D8h 5 BYTEs ??? DDh WORD offset in common memory of ??? object DFh 2 BYTEs ??? E1h WORD API level for task E3h WORD If status at B6h=waiting, offset in common memory of object that task is waiting on, else 0000h. (Task with CPU also has 0000h here) E9h WORD segment of ??? EBh 4 BYTEs ??? EFh WORD EMS handle of virtualization buffer, 0 if no virtualization F3h 12 BYTEs ??? FDh WORD ??? FFh BYTE ??? 101h 8 BYTEs ??? 109h DWORD pointer to process record in system memory 10Dh 14 BYTEs ??? 11Bh DWORD SS:SP for ??? 11Fh 4 BYTEs ??? 123h DWORD pointer to ??? 127h 25 BYTEs ??? 140h DWORD pointer to ??? in system memory 144h DWORD pointer to first task instance data record in system memory 148h DWORD pointer to last task instance data record in system memory (from INT 15/AX=DE27h, see below) 14Ch BYTE ??? 14Eh 42 BYTEs task's default keyboard object 179h 32 BYTEs task's ObjectQ object 199h 41 BYTEs task's default mailbox object 1C2h 24 BYTEs first register save record 452h -- default top of private stack Format of Register Save Record: Offset Size Description 00h WORD AX 02h WORD BX 04h WORD CX 06h WORD DX 08h WORD DI 0Ah WORD SI 0Eh WORD DS 10h WORD ES 12h DWORD return address 16h WORD original flags Format of mapping context record: Offset Size Description 00h WORD lowest segment in process's memory (often start of system memory chain) 02h WORD size of process's memory in paragraphs 04h BYTE flag: 00h if process swapped out, 01h otherwise 05h BYTE flag: 00h if allocated in conventional memory, 01h if EMS 06h 2 BYTEs ??? 08h WORD EMS handle if in EMS, else 0 0Ah 2 BYTEs ??? (nonzero if system memory resides in shared mem???) 0Ch WORD segment of system memory block that contains process record, referenced from segment of start of system memory chain 0Eh BYTE ??? 0Fh WORD size of system memory block that contains process record and DOS memory in paragraphs 11h BYTE bit flags Bit 0: Swapped out??? Bit 1: ??? Bit 2: Swapped out??? 12h BYTE ??? 13h BYTE reference count ---v2.31 14h 10 BYTEs ??? 1Eh WORD segment of process record 20h 2 BYTEs ??? 22h WORD segment of ??? (in first free system memory block???) 24h WORD segment of end of system memory chain 26h WORD segment of start of system memory chain 28h 8 BYTEs ??? 2Ah DWORD pointer to ??? (process record???) 2Dh 10 BYTEs ??? 37h BYTE lowest interrupt vector to save on context switch 38h BYTE highest interrupt vector to save on context switch 39h WORD offset in common memory of main task with this context 3Ah 12 BYTEs ??? 46h BYTE internal mapping context number 47h 12 BYTEs ??? ---v2.5x-2.60 14h 6 BYTEs ??? 1Ah WORD segment of process record 1Ch 2 BYTEs ??? 1Eh WORD segment of first free system memory block 20h WORD segment of start of system memory chain 22h WORD segment of end of system memory chain 24h 8 BYTEs ??? 2Ch DWORD pointer to ??? (1 segment into process record???) 30h 3 BYTEs ??? 33h WORD Offset in common memory of main task with this context 35h 7 BYTEs ??? 3Ch BYTE internal mapping context number 3Dh 14 BYTEs ??? 4Bh WORD first DOS memory segment (first MCB segment+1) 4Dh BYTE ??? (flag???) ---v2.53 (2.5x???) 4Eh 12 BYTEs ??? ---v2.60 4Eh WORD segment of script buffer (see below) 50h 6 BYTEs ??? Format of Internal Window Record (v2.31-2.60): Offset Size Description 00h BYTE internal window number??? 01h BYTE display page??? 02h BYTE video mode 03h 3 BYTEs ??? 06h BYTE logical window height 07h BYTE logical window width 08h DWORD pointer to text video buffer 0Ch 116 BYTEs ??? Format of process record (v2.31): Offset Size Description -470h 13 BYTEs filename of ??? Script -463h 1117 BYTEs ??? (script buffer???) -6h 6 BYTEs ??? 00h WORD segment of parent PSP in process 02h 5 BYTEs ??? 07h WORD segment of current PSP in process 09h WORD segment of first MCB in process 0Bh 13 BYTEs ??? 18h 1024 BYTEs process's interrupt vector table 418h 376 BYTEs ??? 590h first MCB in process Format of process record (v2.53-v2.60) (probably also 2.5x): Offset Size Description 00h 28 BYTEs EXE header of last EXE, ??? if last program run was COM 1Ch ??? BYTEs overwritten with ASCIZ filename of last program run (EXE/COM) 11Ch WORD segment of parent PSP in process 11Eh 4 BYTEs ??? 122h WORD segment of current PSP 124h WORD segment of current PSP 126h WORD segment of first MCB in process 128h 4 BYTEs ??? 12Ch DWORD pointer to first process instance data record in system memory 130h DWORD pointer to last process instance data record in system memory (from INT 15/AX=DE27h, see below) 134h 8 BYTEs ??? 13Ch WORD size of current environment 13Eh WORD segment of current environment 140h WORD segment of current PSP 142h DWORD entry point of current program 146h 10 BYTEs ??? ---v2.52 (v2.5x???) 150h BYTE ??? 151h WORD segment of parent PSP in process 153h WORD ??? 155h WORD ??? 157h WORD ??? 159h 4 BYTEs ??? 15Dh WORD segment of current environment 15Fh WORD segment of current PSP 161h WORD segment of ??? 162h WORD ??? 164h 3 BYTEs ??? 168h 1024 BYTEs process's interrupt vector table 568h 120 BYTEs ??? 5E0h first MCB in process ---v2.60 150h WORD segment of parent PSP in process 152h WORD ??? 154h WORD ??? 156h WORD ??? 158h 4 BYTEs ??? 15Ch WORD segment of current environment 15Eh WORD segment of current PSP 160h WORD segment of ??? 162h WORD ??? 164h 1024 BYTEs process's interrupt vector table 564h 108 BYTEs ??? 5D0h first MCB in process Format of task or process instance data record (v2.5x???, v2.60): Offset Size Description 00h DWORD pointer to next record of same type or 00000000 04h DWORD pointer to previous record of same type or 00000000 08h DWORD pointer to source area of memory during restore state 0Ch WORD number of bytes to save/restore 0Eh DWORD pointer to destination area of memory during restore state 12h WORD ??? (0) 14h N BYTEs source memory buffer during restore state Format of script buffer (v2.60): Offset Size Description 00h 13 BYTEs ASCIZ Script filename 0Dh 80 BYTEs ??? 5Eh N BYTEs script records (see below) Format of one script record (v2.60): Offset Size Description 00h BYTE signature 12h 01h 18 BYTEs blank-padded script name 13h BYTE ASCII code of key attached to script or 0 if non-ASCII key 14h BYTE scan code of key attached to script if non-ASCII, else 0 15h BYTE ??? 16h WORD size of script in bytes 18h N BYTEs script (ASCII code of each keystroke; if 0, next byte is scan code of non-ASCII key) Format of Common Memory Header (v2.31-2.60) (at beginning of commom mem seg): Offset Size Description 00h WORD offset of lowest used block 02h WORD bytes of commom memory, including header 04h WORD offset of first free block 06h N BYTEs size depends of DV version, ??? (DVP buffer???) Format of Free block header: Offset Size Description 00h WORD size of block in bytes including header 02h WORD offset of next free block 04h N BYTEs free block Format of Used block header: Offset Size Description 00h WORD size of block in bytes including header 02h N BYTEs used block --------Q-151017----------------------------- INT 15 - TopView - UNIMPLEMENTED IN DV 2.x AX = 1017h Return: pops up "Programming error" window in DV 2.x --------Q-151018----------------------------- INT 15 - TopView - "LOCATE" - FIND WINDOW AT A GIVEN SCREEN LOCATION AX = 1018h BH = column BL = row ES = segment of object handle for window below which to search 0000h = start search with topmost window Return: ES = segment of object handle for window which is visible at the indicated position, or covered by indicated window = 0000h no window SeeAlso: AX=1023h,AX=1024h --------Q-151019----------------------------- INT 15 - TopView - "SOUND" - MAKE TONE AX = 1019h BX = frequency in Hertz (0000h = silence) CX = duration in clock ticks (18.2 ticks/sec) Return: immediately, tone continues to completion Notes: if another tone is already playing, the new tone does not start until completion of the previous one. Up to 32 tones may be queued before the process is blocked until a note completes. in DV 2.00, the lowest tone allowed is 20 Hz if CX = 0, the current note is cancelled; if BX = 0 as well, all queued notes are also cancelled SeeAlso: AH=82h"HUNTER",INT 16/AH=73h --------Q-15101A----------------------------- INT 15 - TopView - "OSTACK" - SWITCH TO TASK'S INTERNAL STACK AX = 101Ah Return: stack switched Notes: this call may not be nested; a second call must be preceded by a call to "USTACK" (AX=1025h) while TopView requires many API calls to be executed while on the task's internal stack, DESQview allows those calls to be executed regardless of the current stack SeeAlso: AX=1025h --------Q-15101B----------------------------- INT 15 - TopView - "BEGINC" - BEGIN CRITICAL REGION AX = 101Bh Return: task-switching temporarily disabled Notes: will not task-switch until "ENDC" (AX = 101Ch) called unless task voluntarily releases the CPU (upon regaining the CPU, task-switching will again be disabled) suspends the caller until DOS is free SeeAlso: AH=0Dh"MultiDOS",AX=101Ch,AX=DE13h,AX=DE1Ch,INT 2F/AX=1681h SeeAlso: INT 60/DI=0602h --------Q-15101C----------------------------- INT 15 - TopView - "ENDC" - END CRITICAL REGION AX = 101Ch Return: task-switching enabled Note: this API call may be made from within a hardware interrupt handler SeeAlso: AX=101Bh,AX=DE13h,AX=DE1Bh,INT 2F/AX=1682h,INT 60/DI=0603h --------Q-15101D----------------------------- INT 15 - TopView - "STOP" - STOP TASK AX = 101Dh ES = segment of object handle for task to be stopped (== handle of main window for that task) Return: indicated task will not get any CPU time until restarted with AX=101Eh Note: once a task has been stopped, additional "STOP"s are ignored BUG: in DV 2.00, this function is ignored unless the indicated task is the current task SeeAlso: AX=101Eh,AX=102Bh,AH=12h"VMiX",INT 21/AH=81h --------Q-15101E----------------------------- INT 15 - TopView - "START" - START TASK AX = 101Eh ES = segment of object handle for task to be started (== handle of main window for that task) Return: indicated task is started up again Note: once a task has been started, additional "START"s are ignored SeeAlso: AX=101Dh,AX=102Bh,INT 21/AH=82h --------Q-15101F----------------------------- INT 15 - TopView - "DISPEROR" - POP-UP ERROR WINDOW AX = 101Fh BX = bit fields bits 0-12: number of characters to display bits 13,14: which mouse button may be pressed to remove window 00 = either 01 = left 10 = right 11 = either bit 15: beep if 1 ES:DI -> text of message CH = width of error window (0 = default) CL = height of error window (0 = default) DX = segment of object handle Return: BX = status: 1 = left button, 2 = right, 27 = ESC pressed Note: window remains on-screen until ESC or indicated mouse button is pressed --------Q-151020----------------------------- INT 15 - TopView - UNIMPLEMENTED IN DV v2.00+ AX = 1020h Return: pops up "Programming error" window in DV v2.00+ --------Q-151021----------------------------- INT 15 - TopView - "PGMINT" - INTERRUPT ANOTHER TASK AX = 1021h BX = segment of object handle for task to interrupt (not self) DX:CX -> FAR routine to jump to next time task is run Return: nothing Notes: the FAR routine is entered with the current ES, DS, SI, DI, and BP values, using the task's internal stack (see AX=101Ah); only SS:SP needs to be preserved multiple PGMINTs to a single task are processed last-in first-out if the other task is in a DOS or DV API call, the interruption will occur on return from that call --------Q-151022BX0000----------------------- INT 15 - TopView - "GETVER" - GET VERSION AX = 1022h BX = 0000h Return: BX nonzero, TopView or compatible loaded (BL = major version, BH = minor version) Notes: TaskView returns BX = 0001h, DESQview v2.00+ returns BX = 0A01h --------Q-151023----------------------------- INT 15 - TopView - "POSWIN" - POSITION WINDOW AX = 1023h BX = segment of object handle for parent window within which to position the window (0 = full screen) ES = segment of object handle for window to be positioned DL = general window position (see below) CH = number of columns to offset from position specified by DL CL = number of rows to offset from position specified by DL Return: nothing Bitfields for general window position: Bit(s) Description 0,1 horizontal position 00 = current, 01 = center, 10 = left, 11 = right 2,3 vertical position 00 = current, 01 = center, 10 = top, 11 = bottom 4 don't redraw screen if set 5-7 not used --------Q-151024----------------------------- INT 15 - TopView - "GETBUF" - GET VIRTUAL SCREEN INFO AX = 1024h BX = segment of object handle for window (0 = use default) Return: ES:DI -> virtual screen CX = size of virtual screen in bytes DL = 00h text screen 01h graphics screen SeeAlso: INT 10/AH=FEh,INT 21/AH=2Bh/CX=4445h --------Q-151025----------------------------- INT 15 - TopView - "USTACK" - SWITCH BACK TO USER'S STACK AX = 1025h Return: stack switched back Notes: call only after having switched to internal stack with AX=101Ah while TopView requires many API calls to be executed while on the task's private stack, DESQview allows those calls to be executed regardless of the current stack SeeAlso: AX=101Ah --------Q-1510------------------------------- INT 15 - DESQview (TopView???) - UNIMPLEMENTED IN DV 2.x AH = 10h AL = 26h thru 2Ah Return: pops up "Programming error" window in DV 2.x --------Q-15102B----------------------------- INT 15 - DESQview v2.00+ (TopView???) - "POSTTASK" - AWAKEN TASK AX = 102Bh BX = segment of object handle for task Return: nothing Note: forces a task which is waiting on its objectq to continue by placing the handle for the task on the objectq SeeAlso: AX=101Dh,AX=101Eh,INT 21/AH=82h --------Q-15102C----------------------------- INT 15 - DESQview v2.00+ - "NEWPROC" - START NEW APPLICATION IN NEW PROCESS AX = 102Ch ES:DI -> contents of .PIF/.DVP file (see below) BX = size of .PIF/.DVP info Return: BX = segment of object handle for new task 0000h on error SeeAlso: AX=DE24h,INT 21/AH=4Bh Format of .PIF/.DVP file: Offset Size Description 00h BYTE reserved (0) 01h BYTE checksum of bytes 02h through 170h 02h 30 BYTEs blank-padded program title 20h WORD maximum memory to allocate to partition in KB 22h WORD minimum memory required in KB 24h 64 BYTEs ASCIZ program pathname 64h BYTE default drive letter ('A',...) 65h 64 BYTEs ASCIZ default directory name A5h 64 BYTEs ASCIZ program parameters E5h BYTE initial screen mode (0-7) (see also offset 189h) E6h BYTE number of text pages used E7h BYTE number of first interrupt to save E8h BYTE number of last interrupt to save E9h BYTE rows in virtual screen buffer EAh BYTE columns in virtual screen buffer EBh BYTE initial window position, row ECh BYTE initial window position, column EDh WORD system memory in KB EFh 64 BYTEs ASCIZ shared program name 12Fh 64 BYTEs ASCIZ shared program data file 16Fh BYTE flags1 bit 7: writes text directly to screen bit 6: runs in foreground only (see also offset 184h) bit 5: uses math coprocessor bit 4: accesses system keyboard buffer directly bits 3-1: reserved (0) bit 0: swappable 170h BYTE flags2 bit 6: uses command-line parameters in field at A5h bit 5: swaps interrupt vectors ---information unique to .DVP files--- 171h 2 BYTEs keys to use on open menu 173h WORD size of script buffer in bytes 175h WORD automatically give up CPU after this many tests for keyboard input in one clock tick (default 0 = never) 177h BYTE nonzero = "uses own colors" 178h BYTE nonzero if application swappable 179h 3 BYTEs reserved (0) according to Quarterdeck documentation in actual .DVP files, frequently 01h 17Ch BYTE nonzero to automatically close on exit (see also offset 18Bh) 17Dh BYTE nonzero if copy-protect floppy is required ---information unique to DESQview 2.0+--- 17Eh BYTE .DVP version number 00h DESQview v1.2+ 01h DESQview v2.0+ 02h DESQview v2.2+ 17Fh BYTE reserved (0) 180h BYTE initial number of rows in physical window 181h BYTE initial number of columns in physical window 182h WORD maximum expanded memory to allow, in KB 184h BYTE flags3 bit 7: automatically assign window position bit 5: maximum memory value has been specified bit 4: disallow "Close" command bit 3: foreground-only when doing graphics set by DV 2.3+ when "Runs in Background" = "D" (undoc) bit 2: don't virtualize (see also offset 18Bh) bit 1: foreground-only during DOS calls set by DV 2.3+ when "Runs in Background" = "D" (undoc) 185h BYTE keyboard conflict level (0-4 for DV<2.26, 00h-0Fh for DV2.26+) bit 3: save/restore entire INT 09 handler state every taskswtch bit 2: take special precautions for programs which read the BIOS keyboard buffer directly from memory bit 1: never indicate keystroke available during scripts/xfers bit 0: only indicate keystroke available every sixth poll 186h BYTE number of graphics pages used 187h WORD extra system memory size 189h BYTE initial screen mode (FFh = default) (overrides offset E5h) ---information unique to DESQview 2.2+--- 18Ah BYTE serial port usage FFh uses all serial ports 00h no serial ports 01h only COM1 02h only COM2 18Bh BYTE flags4 bit 7: automatically close application on exit if .COM or .EXE specified (see also offset 17Ch) bit 6: swappable if not using serial ports bit 5: start program with window hidden (v2.26+) bit 4: start program in background (v2.26+) bit 3: virtualize text (see also offset 184h) bit 2: virtualize graphics (see also offset 184h) bit 1: share CPU when foreground bit 0: share EGA when foreground and zoomed 18Ch BYTE protection level for 386 machines 18Dh 19 BYTEs reserved (0) for regular DESQview ---information unique to DESQview/X 1.0--- 18Dh BYTE X flags bits 3-7: unused (0) bit 2: don't display wait message when opening window bit 1: don't display DOS window bit 0: (XNEWPROC) use DOS client layer (DOS-to-X) (NEWPROC) inherit DOS client layer usage 18Eh BYTE X keyboard behavior (0-3) 18Fh BYTE font scaling 00h fixed fonts 01h scalable fonts 190h 10 BYTEs reserved (0) 19Ah WORD length of data follownig XDVP signature 19Ch 4 BYTEs signature "XDVP" 1A0h N BYTEs list of variable length records (see below) Format of variable length record: Offset Size Description 00h WORD length of following record, 0000h if end of record list 02h BYTE record type 01h script filename, up to 64 characters 02h command-line parameters (allows >64 characters on cmdline) 03h environment inheritance 04h environment string 05h starting window position ---types 01h,02h,04h--- 03h N BYTEs ASCII data ---type 03h--- 03h BYTE inheritance 00h do not inherit 01h inherit environment ---type 05h--- 03h N BYTEs ASCII copy of fields as typed into DVPMAN, separated by commas: starting row, starting column, starting height, starting width Note: if there are multiple occurrences of record types 01h, 02h, or 03h, only the last instance of each type is used; multiple occurrences of type 04h are concatenated --------Q-15102D----------------------------- INT 15 - DESQview v2.00+ - "KMOUSE" - KEYBOARD MOUSE CONTROL AX = 102Dh BL = subfunction 00h determine whether using keyboard mouse Return: BL = 00h using real mouse 01h using keyboard mouse 01h turn keyboard mouse on 02h turn keyboard mouse off --------Q-15102E----------------------------- INT 15 - DESQview v2.40+ - ALLOCATE SYSTEM MEMORY AX = 102Eh BX = number of bytes Return: AX = status 0000h successful ES:DI -> allocated system memory 0001h failed ES:DI = 0000h:0000h Note: under DV 2.42, this call is identical to AX=1001h SeeAlso: AX=1001h,AX=1002h,AX=DE0Ch Format of system memory block header (one paragraph before memory block): Offset Size Description 00h WORD segment of next header or 0000h 02h WORD segment of previous header or 0000h 04h WORD size of block in paragraphs, including header 06h BYTE availability flag (00h in use, 01h free) --------Q-1511------------------------------- INT 15 - TopView commands AH = 11h AL = various (except 17h) Note: in DESQview 2.x, these function calls are identical to AH=DEh, so see those below SeeAlso: AH=DEh --------T-1511------------------------------- INT 15 - VMiX - "sys_system" - EXECUTE SHELL SYSTEM COMMANDS AH = 11h STACK: DWORD pointer to ASCIZ string containing a VMiX shell request (max len = 127) Return: AX = status (SYS_OK or SYS_ERROR) SeeAlso: AH=0Ch"VMiX" --------T-1511------------------------------- INT 15 - MultiDOS Plus - TURN OFF AltZ TOGGLE AH = 11h Note: disables the Alt-Z MultiDOS command/program-selection hotkey SeeAlso: AH=12h"MultiDOS" Index: hotkeys;MultiDOS Plus --------Q-151117BX0000----------------------- INT 15 - DESQview v2.20+ - "ASSERTMAP" - GET/SET MAPPING CONTEXT AX = 1117h BX = 0000h get current mapping context without setting nonzero set new mapping context Return: BX = mapping context in effect before call interrupts enabled Notes: this function differs from AX = DE17h for DESQview v2.20 through 2.25 mapping contexts determine conventional-memory addressability; setting a mapping context ensures that the associated program and data areas are in memory for access. Usable by drivers, TSRs and shared programs. caller need not be running under DESQview, but must ensure that the stack in use will not be mapped out by the call SeeAlso: AX=DE17h,INT 2F/AX=1685h --------m-1511DE----------------------------- INT 15 - DESQview - QEXT.SYS - INSTALLATION CHECK AX = 11DEh Return: CF clear if installed AX = segment at which QEXT.SYS is located Desc: QEXT.SYS is Quarterdeck's HMA manager for DESQview; more recent versions also implement the XMS standard Note: a private entry point may be found by searching the beginning of the returned segment for the signature string "QUARTERDECK EXTENDED MEMORY MANAGER 286"; the word immediately prior to the signature contains the QEXT version number in BCD, and the word prior to that contains the offset within the QEXT code segment of the private entry point SeeAlso: INT 2F/AX=4310h,INT 67/AH=3Fh Call private entry point with: AH = 00h ??? AH = nonzero ??? --------T-1512------------------------------- INT 15 - VMiX - "sys_sleep" - PUT PROCESS TO SLEEP AH = 12h STACK: WORD process ID Return: AX = status (SYS_OK or SYS_ERROR) SeeAlso: AH=03h"MultiDOS",AX=101Dh,AH=13h"VMiX" --------T-1512------------------------------- INT 15 - MultiDOS Plus - TURN ON AltZ TOGGLE AH = 12h Note: enables the Alt-Z MultiDOS command/program-selection hotkey SeeAlso: AH=11h"MultiDOS" Index: hotkeys;MultiDOS Plus --------Q-1512--BH00------------------------- INT 15 - TopView - SEND MESSAGE - "HANDLE" - RETURN OBJECT HANDLE AH = 12h BH = 00h BL = which handle to return 00h handle in DWORD on top of stack 01h current task's window handle 02h given task's mailbox handle (task's handle on stack) 03h current task's mailbox handle 04h given task's keyboard handle (task's handle on stack) 05h current task's keyboard object handle 06h given task's OBJECTQ handle (task's handle on stack) 07h current task's OBJECTQ handle 08h \ thru > return 0000:0000 under DV < 2.26 10h / 0Ch (2.26+) task owning object with handle in DWORD on top of stack 0Dh (2.26+) task handle of owner (parent) of current task Return: DWORD on top of stack is object handle Note: BL=0Ch,0Dh returns 00000000h if the object is not open (keyboard, mailbox, panel, pointer, and timer objects) or is an orphan (task, window) SeeAlso: AH=12h/BH=02h,AH=12h/BH=80h --------Q-1512--BH01------------------------- INT 15 - TopView - SEND MESSAGE - "NEW" - CREATE NEW OBJECT AH = 12h BH = 01h BL = object type to create 00h (DV 2.0x only) handle is DWORD on top of stack 01h (DV 2.0x only) use task's window handle 02h (DV 2.0x only) given task's mailbox (task's handle on stack) 03h (DV 2.0x only) current task's mailbox 04h (DV 2.0x only) given task's keyboard (task's handle on stack) 05h (DV 2.0x only) current task's keyboard object 08h WINDOW class 09h MAILBOX class 0Ah KEYBOARD class 0Bh TIMER object (counts down 32-bit time in 10ms increments) 0Fh POINTER object 10h PANEL object STACK: (if window object or WINDOW class) DWORD address to jump to (no new task if high word == 0) DWORD (reserved) 0 = non-task window, FFFFh = task window DWORD bytes for task's private stack (FFFFh == default of 0100h) DWORD bytes system memory for input buffer for READ/READN (0 == none, -1 == default--same as logical window size) DWORD window size, columns DWORD window size, rows DWORD length of window title DWORD address of window title Return: DWORD on top of stack is new object handle Notes: if a new task is created, it is started with AX = BX = SI = DI = BP = 0 DX:CX = handle of parent task DS = ES = SS = segment of private stack (and new task's handle) new windows are orphans, inherit the colors/hidden status of the creating task's window, and are placed in the upper left hand corner of the screen but not automatically redrawn new keyboards are closed, and have all object bits cleared except for the hardware cursor bit SeeAlso: AH=12h/BH=02h,AH=12h/BH=81h --------Q-1512--BH02------------------------- INT 15 - TopView - SEND MESSAGE - "FREE" - FREE AN OBJECT AH = 12h BH = 02h BL = object 00h handle in DWORD on top of stack window: close window and free timer: free timer panel: free panel object pointer: free pointer 01h task's window handle - kills task, never returns 02h given task's mailbox (task's handle on top of stack) 03h current task's mailbox 04h given task's keyboard (task's handle on top of stack) 05h current task's keyboard object Notes: when a window is freed, its keyboard and pointer objects are freed; task windows also free any mailbox, objectq, and panel objects held by the task and any child tasks if the keyboard being freed is the default keyboard for a task, this call is equivalent to CLOSE panel and pointer objects are automatically closed if open SeeAlso: AH=12h/BH=01h,AH=12h/BH=0Dh,AH=12h/BH=82h --------Q-1512--BH03------------------------- INT 15 - TopView - SEND MESSAGE - "ADDR" - GET HANDLE OF MESSAGE SENDER AH = 12h BH = 03h BL = object 00h mailbox handle in DWORD on top of stack 02h sender of last msg read from mailbox (task's handle on stack) 03h sender of last msg read from current task's mailbox Return: DWORD on stack is task handle of message sender SeeAlso: AH=12h/BH=00h,AH=12h/BH=83h --------Q-1512--BH03------------------------- INT 15 - DESQview v2.26+ - "CONNECT" - CONNECT TWO WINDOWS AH = 12h BH = 03h BL = window to be connected 00h handle of window to be attached in DWORD on top of stack 01h attach current task's main window STACK: DWORD handle of window to attach to or 00000000h to detach Return: STACK popped Notes: when two windows are connected, both will move if the user moves either multiple windows may be attached to a single window, but each window may only be attached to one window at a time SeeAlso: AH=12h/BH=83h --------Q-1512--BX0300----------------------- INT 15 - TopView - SEND MESSAGE - "DIR" - GET PANEL FILE DIRECTORY AH = 12h BX = 0300h STACK: DWORD handle of panel object Return: STACK: DWORD length of directory (always multiple of 14 bytes) DWORD address of directory Note: a null string is returned if the object is not open SeeAlso: AH=12h/BX=0400h"APPLY",AH=12h/BH=83h Format of panel file: Offset Size Description 00h 2 BYTEs C0h C3h 02h BYTE number of panels in file 03h for each panel in file: 8 BYTEs blank-padded panel name DWORD panel offset in file WORD panel length data for panels (each consists of one or more window/query/manager streams) first byte of each panel must be 1Bh, fifth byte must be E5h --------Q-1512--BH04------------------------- INT 15 - TopView - SEND MESSAGE - "READ" - READ NEXT LOGICAL LINE OF WINDOW AH = 12h BH = 04h BL = window to read from 00h handle is DWORD on top of stack 01h use calling task's default window 0Ch (DV 2.26+) default window of task owning handle on top of stack 0Dh (DV 2.26+) default window of parent task of current task Return: STACK: DWORD number of bytes read DWORD address of buffer Notes: reading starts at the current logical cursor position; the cursor is updated to point at the character following the last one read any translucent blanks (FFh) which are visible on screen are changed to the character which is seen through them the string produced by the read is placed in an input buffer which may be reused by the next READ or READN of a window window stream opcodes D8h and D9h determine whether the read returns characters or attributes SeeAlso: AH=12h/BH=05h"WINDOW",AH=12h/BH=12h,AH=12h/BH=84h --------Q-1512--BH04------------------------- INT 15 - TopView - SEND MESSAGE - "READ" - GET NEXT RECORD FROM OBJECT AH = 12h BH = 04h BL = object 00h handle is DWORD on top of stack mailbox: wait for and get next message keyboard: wait for and get pointer to next input buffer pointer: wait for and get next message 02h get next message from mailbox (task's handle on top of stack) 03h get next message from current task's mailbox 04h get the next input from keyboard (handle on top of stack) 05h get the next input from task's default keyboard 06h wait for input from any object in OBJECTQ (handle on stack) 07h wait for input from any object in task's default OBJECTQ Return: STACK: (if objectq) DWORD handle of object with input (otherwise) DWORD number of bytes DWORD address Notes: for a keyboard in keystroke mode, the input buffer is a single byte containing the character code as returned by the BIOS; the BIOS scan code is available via the STATUS call if the character is zero for a keyboard in field mode, the input buffer format is determined by the field table header for the window the keyboard is attached to keyboard input buffers and mailbox message buffers may be invalidated by the next READ, ERASE, CLOSE, or FREE message to the same object SeeAlso: AH=12h/BH=05h"OBJECT",AH=12h/BH=84h Format of pointer message: Offset Size Description 00h WORD row 02h WORD column 04h BYTE status (see below) 05h BYTE field number or zero (APILEVEL >= 2.00 only) Bitfields for pointer status: Bit(s) Description 7-2 number of clicks-1 if multiple-click mode active 7 set when press/release mode active and button pressed 6 set when press/release mode active and button released 1-0 button pressed (00=none,01=button1,10=button2) --------Q-1512--BX0400----------------------- INT 15 - TopView - SEND MESSAGE - "READ" - WAIT FOR TIMER TO EXPIRE AH = 12h BX = 0400h STACK: DWORD timer's handle Return: after timer expires STACK: DWORD time in 1/100 sec after midnight when timer expired SeeAlso: AH=12h/BH=0Ah,AH=12h/BH=84h --------Q-1512--BX0400----------------------- INT 15 - TopView - SEND MESSAGE - "APPLY" - WRITE PANEL TO WINDOW AH = 12h BX = 0400h STACK: DWORD handle of panel object DWORD window's handle (or 0 for current task's window) DWORD length of panel name DWORD pointer to panel name Return: STACK: DWORD handle of window which was used DWORD handle of keyboard or 0 Notes: status of APPLY may be checked with STATUS message panel MUST have the following format first byte must be 1Bh (i.e. must start with a stream) first opcode in stream must be E5h single byte arg of opcode is interpreted thus: bits 7,6 11 means create new window 10 means create new field table for existing window 01 means use existing window and field table bit 5 if set, panel contains a field table (creates a new keyboard and puts it in field mode) bit 4 if set, panel contains input fields bit 3 if set, panel contains select fields but no input fields if the panel contains input or select fields, a keyboard handle is returned; either the window's current open keyboard or a newly-created keyboard object. The caller should read that keyboard to obtain input from the panel. SeeAlso: AH=12h/BH=84h --------Q-1512--BH05------------------------ INT 15 - TopView - SEND MESSAGE - "WRITE" - WRITE TO OBJECT AH = 12h BH = 05h BL = object 00h handle is DWORD on top of stack timer: start timer to end at a specified time keyboard: add input buffer to queue pointer: move pointer icon to specified position 02h send message by value/status=0 to mbox (task's handle on stack) 03h send message by value/status=0 to current task's mailbox 04h add input buffer to KEYBOARD queue (handle on top of stack) 05h add input buffer to task's default KEYBOARD queue 06h add an object to OBJECTQ (handle on top of stack) 07h add an object to task's default OBJECTQ STACK: (if mailbox) DWORD length DWORD address (if keyboard) DWORD status (scan code in keystroke mode) DWORD length (should be 1 in keystroke mode) DWORD address (if objectq) DWORD handle of object to add (if timer) DWORD 1/100ths seconds since midnight (actually only accurate to 1/18 sec) (if pointer) DWORD column relative to origin of window DWORD row relative to origin of window Notes: under DV 2.2+, failed mailbox writes may return CF set (see AX=DE15h) the data and status written to a keyboard object must match the format returned by the keyboard object in the current mode the pointer position is scaled according to the current scaling factors SeeAlso: AH=12h/BH=04h,AH=12h/BH=85h --------Q-1512--BH05------------------------- INT 15 - TopView - SEND MESSAGE - "WRITE" - WRITE STRING TO WINDOW AH = 12h BH = 05h BL = window to write to 00h DWORD on top of stack is window handle 01h write string to task's default window 0Ch (DV 2.26+) default window of task owning handle on top of stack 0Dh (DV 2.26+) default window of parent of current task STACK: DWORD object handle if handle passed on stack DWORD total length of string (high word == 0) DWORD address of string to display Return: indicated actions performed a. non-control characters are displayed (opcodes DEh and DFh control whether the attributes are left or changed to the current attrib) b. CR/LF/BS/Tab cause the usual cursor movement c. ESC starts a data structure with additional commands if following byte is less than 20h; otherwise, it is written to the window STACK: DWORD handle of new window if window stream opcode E6h else nothing SeeAlso: AH=12h/BH=04h,AH=12h/BH=85h Data Structure: MAGIC DB 1Bh MODE DB ? ; 00h, 01h, 10h, 14h-1Fh legal LENGTH DW ? ; length of remainder in bytes var-length fields follow, each an OPCODE followed by zero or more args MODE 00h (set or display values) "WINDOW STREAM" Opcodes:args 00h display 20h blanks with the default attribute 01h-1Fh display OPCODE blanks with the default attribute 20h display char with default attribute 20h times BYTE char to repeat 21h-3Fh display char with default attribute OPCODE-20h times BYTE char to repeat 40h display 20h blanks with specified attribute BYTE attribute of blanks 41h-5Fh display OPCODE-40h blanks with specified attribute BYTE attribute of blanks 60h display next 20h characters 20h BYTEs characters to display 61h-7Fh display next OPCODE-60h characters N BYTEs characters to display 80h-87h display N blanks with default attribute BYTE low 8 bits of 11-bit count (high 3 in low 3 bits of OPCODE) [000h means 800h] 88h-8Fh display N copies of the character BYTE low 8 bits of 11-bit count (high 3 in low 3 bits of OPCODE) [000h means 800h] BYTE character to repeat 90h-97h display N blanks with specified attribute BYTE low 8 bits of 11-bit length (high 3 in low 3 bits of OPCODE) [000h means 800h] BYTE attribute 98h-9FH display string at logical cursor pos BYTE low 8 bits of 11-bit length (high 3 in low 3 bits of OPCODE) [000h means 800h] N BYTEs string to display A0h set logical cursor row BYTE row number (0 is top) A1h set logical cursor column BYTE column number (0 is leftmost) A2h set top edge of scrolling region BYTE row A3h set left edge of scrolling region BYTE column A4h set row of physical window position BYTE line A5h set column of physical window position BYTE column A6h set height of physical window BYTE number of rows A7h set width of physical window BYTE number of columns A8h set viewport row BYTE row A9h set viewport column BYTE column AAh set virtual screen height [contents of window unpredictable after] BYTE rows ABh set virtual screen width [contents of window unpredictable after] BYTE columns ACh-AEh unused AFh set compatible/preferred video modes BYTE compatibility/preference mask bit 7 compatible with monochrome bit 6 compatible with color text, EGA/VGA graphics bit 5 compatible with medium-resolution CGA graphics bit 4 compatible with high-resolution CGA graphics bit 3 prefer monochrome bit 2 prefer color text, EGA/VGA graphics bit 1 prefer medium-resolution CGA graphics bit 0 prefer high-resolution CGA graphics B0h move logical cursor down BYTE number of rows (signed, negative values move up) [if rows=0 and hardware cursor owner, update hw crsr] B1h move logical cursor right BYTE number of columns (signed, negative values move left) [if cols=0 and hardware cursor owner, update hw crsr] B2h shift top edge of scrolling region BYTE number of rows (signed) B3h shift left edge of scrolling region BYTE number of columns (signed) B4h shift physical window down BYTE number of lines (signed) B5h shift physical window right BYTE number of columns (signed) B6h expand physical window vertically BYTE number of lines (signed) B7h expand physical window horizontally BYTE number of columns (signed) B8h adjust viewport row BYTE number of rows (signed) B9h adjust viewport column BYTE number of columns (signed) BAh adjust virtual screen height [contents of window unpredict after] BYTE number of rows to increase (signed) BBh adjust virtual screen width [contents of window unpredictbl after] BYTE number of columns to increase (signed) BCh-BFh reserved (currently unused) C0h set logical cursor position BYTE row number (0 is top border) BYTE column number (0 is left border) C1h set top left corner of scrolling region BYTE row BYTE column C2h set physical window pos BYTE upper left row (no top border if 0) BYTE upper left column (no left border if 0) C3h set current window size BYTE number of rows BYTE number of columns C4h set upper left corner of viewport (portion of virtual screen displayed in window) BYTE row BYTE column C5h set size of virtual screen [contents unpredictable afterwards] BYTE number of rows BYTE number of columns C6h unused C7h unused C8h set logical cursor relative to current position BYTE number of rows to move down (signed) BYTE number of columns to move right (signed) [if rows=cols=0 and hardware cursor owner, update hw cursr] C9h shift top left corner of scrolling region BYTE number of rows (signed) BYTE number of columns (signed) CAh set window pos relative to current position BYTE number of rows to shift down (signed) BYTE number of columns to shift right (signed) CBh set window size relative to current size BYTE number of rows to expand (signed) BYTE number of cols to expand (signed) CCh shift viewport relative to current position BYTE rows to shift (signed) BYTE cols to shift (signed) CDh resize virtual screen BYTE number of rows to expand (signed) BYTE number of columns to expand (signed) CEh scroll text when using E8h-EBh/F8h-FBh opcodes (default) CFh scroll attributes when using E8h-EBh/F8h-FBh opcodes D0h allow window frame to extend beyond screen D1h always display a complete frame, even if window extends beyond edge of screen D2h allow DV to change logical colors on video mode switch (default) D3h application changes logical attributes D4h window is visible [must redraw to actually make visible] D5h window is hidden [must redraw to actually remove] D6h window has frame (default) D7h window unframed [must redraw to actually remove frame] D8h READ/READN will read characters from window (default) D9h READ/READN will read attributes from window DAh use logical attributes, which may be remapped attributes 1 normal text 2 highlighted normal text 3 help text 4 highlighted help text 5 error message 6 highlighted error message 7 emphasized text 8 marked text 9-16 are reverse video versions of 1-8 DBh use physical attributes for characters DCh enable special actions for control characters (default) DDh disable special control char handling, all chars displayable by BIOS TTY call DEh write both character and attribute (default) DFh write character only, leave attribute untouched E0h repeat following commands through E1h opcode BYTE number of times to repeat (00h means 256 times) E1h end of commands to repeat, start repeating them E2h set current output color BYTE color E3h clear virtual screen from scroll origin to end using current color E4h redraw window E5h select menu style BYTE style (normally 18h) bits 5,4 = 01 use two-letter menu entries for remainder of this stream E5h (panel file only) BYTE modifier bits 7,6 = 11 panel stream creates new window = 10 panel defines new field table for existing window = 01 panel stream uses existing window & field table bit 5 = 1 stream contains a field table (create kyboard object) bit 4 = 1 stream defines input fields (create keyboard object) bit 3 = 1 stream defines select fields but not input fields bit 2 = 1 stream defines exclusive input window (DV 2.2) bit 1 reserved bit 0 reserved E6h create new window and perform rest of manipulations in new window BYTE number of rows BYTE number of columns Return: DWORD object handle of new window returned on stack at end Note: the window is created with a physical size of 0x0 at the same position as the window to which this stream was sent E7h no operation E8h scroll area up (top left corner defined by opcode C1h) BYTE height BYTE width E9h scroll area down (top left corner defined by opcode C1h) BYTE height BYTE width EAh scroll area left (top left corner defined by opcode C1h) BYTE height BYTE width EBh scroll area right (top left corner defined by opcode C1h) BYTE height BYTE width ECh set logical attributes for window contents BYTE video modes command applies to bit 7 monochrome bit 6 color text, EGA/VGA graphics bit 5 medium-resolution CGA graphics bit 4 high-resolution CGA graphics BYTE which attributes to set bit 7 if set, copy single following byte to indicated attribs bits 4-6 number of first attribute to change - 1 bits 0-3 number of consecutive attributes to change N BYTEs new attributes EDh set logical attributes for window frame BYTE video modes command applies to (see opcode ECh) BYTE which attributes to set bit 7 if set, copy single following byte to indicated attrs bits 4-6 number of first attribute to change - 1 bits 0-3 number of consecutive attributes to change N BYTEs new attributes attributes 1 = top left corner 2 = top right corner 3 = bottom left corner 4 = bottom right corner 5 = top edge 6 = bottom edge 7 = left edge 8 = right edge EEh set characters for window frame BYTE video modes command applies to (see opcode ECh) BYTE which characters to set bit 7 if set, copy single following byte to indicated chars bits 4-6 number of first char to change - 1 bits 0-3 number of consecutive chars to change N BYTEs new chars (same relative position as attributes above) EFh set window name BYTE length of name (should be in range 0 to logical screen width) N BYTEs name F0h clear input field to blanks BYTE field number F1h fill input field with character BYTE field number BYTE char F2h set color of input field BYTE field number (1-N) BYTE attribute F3h set initial contents of input field BYTE field number (1-N) N BYTEs enough chars to exactly fill field as defined by op FFh F4h position cursor to start of specific input field BYTE field number (1-N) F5h change field table entry BYTE field number 7-8 BYTEs field table entry (see opcode FFh below) F6h set field type BYTE field number BYTE type 00h inactive 40h output field 80h input field C0h deselected field C2h selected field F7h "broadcast write" write data to fields with program output bit set in field table entry, in field number order N BYTEs (total length of all program output fields) F8h scroll field up a line BYTE field number F9h scroll field down a line BYTE field number FAh scroll field left BYTE field number FBh scroll field right BYTE field number FCh set field table header BYTE number of fields (must be <= existing number of fields) BYTE screen behavior bits bit 7 reserved bit 6 set if menu items may be selected via keyboard bit 5 set if left mouse button in "status" mode (press anywhere in window immediately returns control to app) bit 4 set if right mouse button in "status" mode bit 3 if set, select fields return contents or blanks rather than 'Y' or 'N' bit 2 if set, modified bits reset on return to application bits 0,1 = 00 no data returned on read of keyboard 01 data returned as array of chars containing all fields packed together, with no field numbers 10 data returned as numbered variable-length records for all fields 11 data returned as numbered variable-length records for the fields which were modified BYTE current input field (updated by DESQview) BYTE current select field (updated by DESQview) BYTE attribute for select fields when they are pointed at BYTE attribute for select fields which have been selected FDh reset modified bit for all fields FEh reset selected and modified bits for all fields FFh set up input fields 6 BYTEs table header (see opcode FCh above) the field table entries, one for each field BYTE start row \ BYTE start column \ if menu selection and start is to BYTE end row / right or below end, select from kbd only BYTE end column / BYTE field type bits 7,6 = 00 inactive (non-entry) field 01 echos keystrokes input to make menu selection 10 fill-in field 11 select field bit 5 field can be filled by broadcast write (F7h opcode) bit 4 reserved bit 3 reserved bit 2 reserved bit 1 set if field selected bit 0 set if field modified BYTE modifier if type is fill-in, then bit flags to determine behavior bit 7 if set, automatically enter CR when field full bit 6 move to next field when current field is full bit 5 if set, enter text from right end (for numbers) bit 4 if set, force input to uppercase bit 3 if set, clear old contents on first keystroke bit 2 if set, input returned when cursor moves out of modified field ("validate",API level 2.02+) bit 1 reserved bit 0 reserved if select field, first key to press to activate 00h if have to point-&-click or is an extended-ASCII keystroke (only if two-key menus enabled) BYTE (select field only) normal color of field BYTE second key for select field. This byte is present iff two-letter menu entries selected with opcode E5h, and in that case is present regardless of field type Note: DESQview uses and updates the actual copy of the information which is contained in the stream. Thus this info must remain intact until after the data entry is complete. MODE 01h "QUERY STREAM" (valid only for those opcodes listed here) A0h return logical cursor row in next byte A1h return logical cursor column in next byte A2h return top row of scrolling region in next byte A3h return left column of scrolling region in next byte A4h return row of physical window origin in next byte A5h return column of physical window origin in next byte A6h return height of physcial window in next byte A7h return width of physical window in next byte A8h return row of viewport origin in next byte A9h return column of viewport origin in next byte AAh return height of virtual screen in next byte ABh return width of virtual screen in next byte AFh return current video mode in next byte C0h return current logical cursor position in next two bytes C1h return top left corner of scrolling region in next two bytes C2h return current window position in next two bytes C3h return current window size in next two bytes C4h return current viewport origin in next two bytes C5h return current virtual screen size in next two bytes D0h \ overwritten with D0h if frames may fall off screen edge D1h / D1h if frames always displayed entirely D2h \ overwritten with D2h if DESQview controls color palette D3h / D3h if application changes color palette D4h \ overwritten with D4h if window visible D5h / D5h if window hidden D6h \ overwritten with D6h if window has frame D7h / D7h if window unframed D8h \ overwritten with D8h if reading characters from window D9h / D9h if reading attributes from window DAh \ overwritten with DAh if using logical attributes DBh / DBh if using physical attributes DCh \ overwritten with DCh if TTY control char interpretation on DDh / DDh if TTY control char interpretation off DEh \ overwritten with DEh if writing both characters and attributes DFh / DFh if leaving attributes untouched E2h return current color in next byte ECh get logical attributes for window contents BYTE execute call if currently in specified video mode bit 7 monochrome bit 6 color text, EGA/VGA graphics bit 5 medium-resolution CGA graphics bit 4 high-resolution CGA graphics BYTE which attributes to get bit 7 unused??? bits 4-6 first attribute to get - 1 bits 0-3 number of consecutive attributes N BYTEs buffer to hold attributes EDh get logical attributes for window frame BYTE execute call if currently in video mode (see opcode ECh) BYTE which attributes to get bit 7 unused??? bits 4-6 first attribute to get - 1 bits 0-3 number of consecutive attributes N BYTEs buffer to hold attributes EEh get characters for window frame BYTE execute call if currently in video mode (see opcode ECh) BYTE which attributes to get bit 7 unused??? bits 4-6 first char to get - 1 bits 0-3 number of consecutive chars N BYTEs buffer to hold chars EFh return first N characters of current window name BYTE max length of returned name N BYTEs buffer to hold window name F3h return contents of specified field BYTE field number N BYTEs buffer to hold field contents (size exactly equal to field size) F5h get field table entry BYTE field number 7-8 BYTEs buffer to hold field table entry Notes: DV < 2.26 always returns 7 bytes DV 2.26+ w/ APILEVEL < 2.26 returns 8 bytes iff field table is using 8-byte entries and eighth byte after F5h is E7h (NOP); otherwise, 7 bytes are returned DV 2.26+ w/ APILEVEL > 2.26 returns 7 or 8 bytes depending on the field table entry size F6h get type of a field BYTE field number BYTE type FCh get field table header 6 BYTEs buffer to store header MODE 10h "MANAGER STREAM" (valid only for opcodes listed here) 00h allow window to be moved horizontally 01h allow window to be moved vertically 02h allow window to change width 03h allow window to change height 04h allow window to be scrolled horizontally 05h allow window to be scrolled vertically 06h allow "Close Window" menu selection for application 07h allow "Hide Window" menu selection for application 08h allow application to be suspended ("Rearrange/Freeze") 0Eh allow "Scissors" menu 10h allow DESQview main menu to be popped up 11h allow "Switch Windows" menu 12h allow "Open Window" menu 13h allow "Quit" menu selection 20h-33h opposite of 00h-13h, disallow specified action 40h notify if horizontal position of window changes 41h notify if vertical position of window changes 42h notify if width of window changes 43h notify if height of window changes 44h notify if window scrolled horizontally 45h notify if window scrolled vertically 46h notify if window is closed--program has to clean up and exit itself 47h notify if window is hidden 48h notify if "?" on main menu selected 49h notify if pointer message sent to window 4Ah notify if window is placed in foreground 4Bh notify if window is placed in background 4Ch notify if video mode changes 4Dh notify if "Scissors" menu "Cut" option selected 4Eh notify if "Scissors" menu "Copy" option selected 4Fh notify if "Scissors" menu "Paste" option selected 50h notify if DESQview main menu about to pop up 51h notify if DESQview main menu popped down 60h-71h opposite of 40h-51h: don't notify on specified event 84h attach window to parent task's window (both move together) 85h detach window from parent task's window (may move independently) 86h disable background operation for application 87h enable running in background 88h set minimum size of physical window BYTE rows BYTE columns 89h set maximum size of physical window BYTE rows BYTE cols 8Ah set primary asynchronous notification routine DWORD address of routine, 0000h:0000h means none (see also below) 8Bh set async notification parameter DWORD 32-bit value passed to 8Ah async routine in DS:SI ACh (DV2.2+) perform regular select field attribute processing ADh (DV2.2+) protect attributes in selected field from being lost AEh make window default notify window for owning app (API level 2.00+) AFh set selected field marker character BYTE character to display at left edge of selected fields BCh set standard field processing mode BDh set alternate field processing mode (enables cursor pad for menus) BEh disables changing reverse logical attributes with ECh opcode BFh enables changing reverse logical attributes with ECh opcode C0h make current window topmost in system C1h force current process into foreground C2h make current window topmost in process C3h position mouse pointer relative to origin of current field BYTE rows below upper left corner of field BYTE columns to right of upper left corner of field C4h position mouse pointer relative to origin of given field BYTE field number BYTE rows below upper left corner of field BYTE columns to right of upper left corner of field C5h orphan current window (also hides it) Note: must be last in stream; all subsequent commands ignored C6h show all windows for this process C7h hide all windows for this process C8h suspend process and hide all its windows C9h force current process into background CAh make current window bottom-most in process CBh cancel current window manager operation, remove DV menu, give control to topmost application CCh orphan window and give it to the system for use as paste data CEh reorder windows DWORD pointer to null-terminated list of words each word is segment of object handle for a window FFh no operation MODES 14h to 1Fh "USER STREAMS" normally NOPs, but may be defined by SETESC message to invoke FAR routines, one for each mode number on entry to handler, DS:SI -> first byte of actual stream (not header) CX = number of bytes in stream ES:DI = window's handle Asynchronous notification routine defined by manager stream 8Ah called with: ES:DI = handle of window DS:SI is 32-bit value set by 8Bh manager stream opcode mailbox contains message indicating event Opcode 40h horizontal movement DWORD object handle of window BYTE new row BYTE new col 41h vertical movement DWORD object handle of window BYTE new row BYTE new col 42h horizontal size change DWORD object handle of window BYTE new rows BYTE new cols 43h vertical size change DWORD object handle of window BYTE new rows BYTE new cols 44h scrolled horizontally DWORD object handle of window BYTE mouse row within window BYTE mouse column within window BYTE field mouse is on, 0 if none BYTE amount moved: >0 right, <0 left, 0 done 45h scrolled vertically DWORD object hande of window BYTE mouse row within window BYTE mouse column within window BYTE field mouse is on, 0 if none BYTE amount moved: >0 down, <0 up, 0 done 46h window close request DWORD object handle of window BYTE mouse pointer row BYTE mouse pointer column BYTE field mouse is on, 0 if none 47h application's windows hidden 48h Help for Program selected DWORD object handle of window BYTE mouse pointer row BYTE mouse pointer column BYTE field mouse is on, 0 if none 49h pointer message sent to window DWORD pointer handle which received message 4Ah switched to window from another ("raise") 4Bh switched away from the window ("lower") 4Ch video mode changed BYTE new BIOS video mode 4Dh Scissors/cUt selected DWORD object handle of window BYTE row of upper left corner BYTE column of upper left corner BYTE field number ul corner is in, 0=none DWORD handle of orphaned window created with copy of data from specified region BYTE height of region BYTE width of region 4Eh Scissors/Copy selected DWORD object handle of window BYTE row of upper left corner BYTE column of upper left corner BYTE field number ul corner is in, 0=none DWORD handle of orphaned window created with copy of data from specified region BYTE height of region BYTE width of region 4Fh Scissors/Paste selected DWORD object handle of window BYTE row of upper left corner BYTE column of upper left corner BYTE field number ul corner is in, 0=none DWORD handle of orphaned window with data BYTE height of region BYTE width of region Note: orphaned data window should be adopted or freed when done 50h main menu about to pop up 51h main menu popped down Return: all registers unchanged --------Q-1512--BH06------------------------- INT 15 - DESQview 2.20+ - SEND MESSAGE - "SETPRI" - SET PRIORITY WITHIN OBJECTQ AH = 12h BH = 06h BL = object 00h object handle in DWORD on top of stack mailbox, keyboard, pointer, or timer (DV 2.50+) window 01h (DV 2.50+) current task's window 04h given task's keyboard (task's handle on top of stack) 05h current task's default keyboard STACK: DWORD new priority of object in task's OBJECTQ (new priority of task if window handle) Notes: initially all objects have the same default value. Should only make relative adjustments to this default value. when changing priorities, all objects already on the objectq are reordered for window handles, only the non-blocked task(s) with the highest priority receive CPU time under DESQview 2.50-2.52; the default priority is 0Ah SeeAlso: AH=12h/BH=07h,AH=12h/BH=87h --------Q-1512--BH07------------------------- INT 15 - DESQview 2.20+ - SEND MESSAGE - "GETPRI" - GET PRIORITY WITHIN OBJECTQ AH = 12h BH = 07h BL = object 00h object handle in DWORD on top of stack mailbox, keyboard, pointer, or timer (DV 2.50+) window 01h (DV 2.50+) current task's window 04h given task's keyboard (task's handle on top of stack) 05h current task's default keyboard Return: STACK: DWORD object priority Note: initially all objects have the same default value. Should only make relative adjustments to this default value. SeeAlso: AH=12h/BH=06h --------Q-1512--BH08------------------------- INT 15 - TopView - SEND MESSAGE - "SIZEOF" - GET OBJECT SIZE AH = 12h BH = 08h BL = object 00h handle in DWORD on top of stack window: total character positions in window timer: elapsed time since timer started pointer: number of messages queued to pointer object panel: number of panels in panel file keyboard: number of input buffers queued 01h total chars in current task's default window 02h number of messages in task's mailbox (task's handle on stack) 03h number of messages in current task's mailbox 04h number of input buffers queued in task's kbd (handle on stack) 05h number of input buffers queued for current task's default kbd 06h number of objects queued in OBJECTQ (task's handle on stack) 07h number of objects queued in current task's OBJECTQ 0Ch (DV 2.26+) total chars in window owning handle on top of stack 0Dh (DV 2.26+) total chars in parent task's window Return: DWORD on top of stack is result Note: for panel objects, a count of zero is returned if no panel file is open for the object SeeAlso: AH=12h/BH=04h,AH=12h/BH=09h --------Q-1512--BH09------------------------- INT 15 - TopView - SEND MESSAGE - "LEN" - GET OBJECT LENGTH AH = 12h BH = 09h BL = object 00h handle in DWORD on top of stack window: get chars/line timer: get 1/100 seconds remaining before timer expires mailbox: (DV/X) get number of bytes queued to mailbox 01h get number of chars/line in current task's default window 0Ch (DV 2.26+) get chars/line in window owning handle on top of stk 0Dh (DV 2.26+) get chars/line in parent task's window Return: DWORD on top of stack is length SeeAlso: AH=12h/BH=08h --------Q-1512--BH0A------------------------- INT 15 - TopView - SEND MESSAGE - "ADDTO" - WRITE CHARS AND ATTRIBS TO WINDOW AH = 12h BH = 0Ah BL = window to write to 00h window handle is DWORD on top of stack 01h current task's default window 0Ch (DV 2.26+) default window of task owning handle on top of stack 0Dh (DV 2.26+) default window of parent of current task STACK: DWORD count of attributes DWORD address of attribute string DWORD count of characters DWORD address of character string Notes: if one string is longer than the other, the shorter one will be reused until the longer one is exhausted the cursor is left just after the last character written SeeAlso: AH=12h/BH=0Bh"WINDOW" --------Q-1512--BH0A------------------------- INT 15 - TopView - SEND MESSAGE - "ADDTO" - SEND MAILBOX MESSAGE/STAT BY VALUE AH = 12h BH = 0Ah BL = mailbox to write to 00h handle is DWORD on top of stack 02h default mailbox of task whose handle is on top of stack 03h current task's default mailbox STACK: DWORD status (low byte) DWORD length of message DWORD address of message Notes: the message is copied into either system or common memory insufficient memory normally causes the process to be aborted; under DESQview 2.2+, failed writes may return CF set instead (see AX=DE15h) SeeAlso: AH=12h/BH=0Bh"MAILBOX" --------Q-1512--BH0A------------------------- INT 15 - TopView - SEND MESSAGE - "ADDTO" - SET OBJECT BITS AH = 12h BH = 0Ah BL = object 00h handle is DWORD on top of stack timer: start timer for specified interval pointer: set control flags (see below) keyboard: set control flags (see below) 04h set control flags on KEYBOARD object (handle on top of stack) 05h set control flags on task's default KEYBOARD object STACK: (if timer) DWORD duration in 1/100 seconds (otherwise) DWORD bits to set SeeAlso: AH=12h/BH=0Bh"OBJECT" Bitfields for keyboard object bits: Bit(s) Description 15 reserved, can't be set 14 unused 13 reserved, can't be set 12-6 unused 5 (DV 2.2+) exclusive input 4 filter all keys (used with handler established by SETESC) if 0, only keys that would normally be displayed are filtered 3 program continues executing while input in progress 2 insert mode active for field mode 1 hardware cursor displayed when task is hardware cursor owner must be set if keyboard in field mode and field table includes input fields 0 keyboard is in field mode rather than keystroke mode Bitfields for pointer object bits: Bit(s) Description 15 reserved, can't be set 14-8 unused 7 mouse pointer is hidden while in window 6 get messages even if window not topmost 5 get messages even if window not foreground 4 multiple clicks separated by less than 1/3 second are counted and returned in a single message 3 pointer position is relative to screen origin, not window origin 2 send message on button release as well as button press 1 (DV 2.23+) send message with row=FFFFh and col=FFFFh whenever the pointer leaves the window 0 send message only on button activity, not movement DV-specific, and INT 15/AX=DE0Fh must have been called first --------Q-1512--BH0B------------------------- INT 15 - TopView - SEND MESSAGE - "SUBFROM" - WRITE ATTRIBUTES TO WINDOW AH = 12h BH = 0Bh BL = window to write attributes to 00h handle is DWORD on top of stack 01h current task's default window 0Ch (DV 2.26+) default window of task owning handle on top of stack 0Dh (DV 2.26+) default window of parent of current task STACK: DWORD number of attributes to write DWORD address of attributes Note: the attributes are written starting at the current cursor position; the cursor is left just after the last position written SeeAlso: AH=12h/BH=0Ah"WINDOW" --------Q-1512--BH0B------------------------- INT 15 - TopView - SEND MESSAGE - "SUBFROM" - SEND MAILBOX MESSAGE/STAT BY REF AH = 12h BH = 0Bh BL = mailbox to write to 00h handle is DWORD on top of stack 02h default mailbox of task whose handle is on top of stack 03h current task's default mailbox STACK: DWORD status (low byte) DWORD length of message DWORD address of message Notes: only a pointer to the message is stored, but the write may still fail due to insufficient memory under DV 2.2+, failed mailbox writes may return CF set (see AX=DE15h) SeeAlso: AH=12h/BH=0Ah"MAILBOX" --------Q-1512--BH0B------------------------- INT 15 - TopView - SEND MESSAGE - "SUBFROM" - REMOVE OBJECT FROM OBJECTQ AH = 12h BH = 0Bh BL = OBJECTQ from which to remove all copies of a particular object 06h OBJECTQ of task whose handle is on top of stack 07h task's default OBJECTQ STACK: DWORD handle of object to remove Note: should be sent whenever an object is erased or closed --------Q-1512--BH0B------------------------- INT 15 - TopView - SEND MESSAGE - "SUBFROM" - RESET OBJECT BITS AH = 12h BH = 0Bh BL = object 00h handle is DWORD on top of stack pointer: reset control flags keyboard: reset control flags 04h clear control flags on KEYBOARD object (handle on top of stack) 05h clear control flags on task's default KEYBOARD object STACK: DWORD which bits to clear (see AH=12h/BH=0Ah"OBJECT") SeeAlso: AH=12h/BH=0Ah"OBJECT" --------Q-1512--BH0C------------------------- INT 15 - TopView - SEND MESSAGE - "OPEN" - OPEN OBJECT AH = 12h BH = 0Ch BL = object 00h handle is DWORD on top of stack window: fill with given character from scroll origin to end keyboard: attach to a window timer: open pointer: start taking input for window panel: associate with a panel file 01h fill task's default window with given char from scrl org to end 02h open given task's mailbox for input (task's handle on stack) 03h open current task's mailbox 04h attach a KEYBOARD to a window (handle on top of stack) 05h attach task's default KEYBOARD to a window 06h open a task's OBJECTQ (task's handle on top of stack) 07h open current task's OBJECTQ 0Ch (DV 2.26+) fill def window of task owning handle on top of stck 0Dh (DV 2.26+) fill default window of parent of current task STACK: (if window) DWORD character to fill with (if keyboard) DWORD handle of window to attach to (if pointer) DWORD handle of window to attach to (if panel) DWORD length of filename or resident panel DWORD address of filename or resident panel (otherwise) nothing Notes: if first byte of panel file name is 1Bh, then the "name" IS a panel if first two bytes of panel file "name" are C0hC3h, then the "name" IS the panel file result code of open may be retrieved with STATUS message logical cursor is left at scroll origin after filling window the task opening a mailbox becomes its owner, and the only task allowed to read the mailbox messages are only sent to a pointer object when the mouse is positioned in the window to which the pointer has been attached there is no need to explicitly open a timer object, as ADDTO and WRITE messages automatically open the timer SeeAlso: AH=12h/BH=0Dh,AH=12h/BH=14h"LOCK" --------Q-1512--BH0D------------------------- INT 15 - TopView - SEND MESSAGE - "CLOSE" - CLOSE OBJECT AH = 12h BH = 0Dh BL = object 00h handle is DWORD on top of stack timer: close keyboard: detach from window and discard queued input pointer: stop taking input panel: close mailbox: close, unlock, and discard any pending messages 02h close given task's mailbox (task's handle on top of stack) 03h close task's default mailbox 04h close KEYBOARD object (handle on top of stack) 05h close task's default KEYBOARD 06h close given task's OBJECTQ (task's handle on top of stack) 07h close current task's OBJECTQ Notes: when an OBJECTQ is closed, each object in the OBJECTQ is sent an ERASE message (AH=12h/BH=0Eh) when a panel object is closed, the panel file and any panels currently in use are freed; window and keyboard objects created by APPLY are not affected, but field mode input ceases open but idle timer objects consume a small amount of CPU time SeeAlso: AH=12h/BH=0Ch,AH=12h/BH=0Eh,AH=12h/BH=14h"LOCK" --------Q-1512--BH0E------------------------- INT 15 - TopView - SEND MESSAGE - "ERASE" - ERASE OBJECT AH = 12h BH = 0Eh BL = object 00h handle is DWORD on top of stack window: clear from scroll origin to end of window keyboard: discard input timer: cancel current interval pointer: discard all pending messages mailbox: discard all pending messages 01h clear task's default window from scroll origin to end 02h discard all queued messages in mailbox (handle on top of stack) 03h discard all queued messages in current task's default mailbox 04h discard all input queued to KEYBOARD (handle on top of stack) 05h discard all input queued to task's default KEYBOARD 06h remove all objects from OBJECTQ (task's handle on top of stack) 07h remove all objects from current task's OBJECTQ 0Ch (DV 2.26+) clear window of task owning handle on top of stack 0Dh (DV 2.26+) clear default window of parent of current task Note: when an OBJECTQ is erased, each object in the OBJECTQ is also erased SeeAlso: AH=12h/BH=02h --------Q-1512--BH0F------------------------- INT 15 - TopView - SEND MESSAGE - "STATUS" - GET OBJECT STATUS AH = 12h BH = 0Fh BL = object 00h handle is DWORD on top of stack timer: is it running? pointer: return status of last message panel: verify success of last OPEN or APPLY 02h return status of last msg READ from mailbox (handle on stack) 03h return status of last msg READ from task's default mailbox 04h get stat of last msg from task's KEYBOARD (task handle on stk) 05h get status of last msg from task's default KEYBOARD 06h return whether OBJECTQ is open or not (handle on top of stack) 07h return whether task's default OBJECTQ is open or not Return: DWORD on top of stack is status Notes: if object is a panel object, the status indicates the error code: 00h successful 14h panel name not in panel directory 15h not enough memory to apply panel 16h invalid panel format 17h panel file already open 81h-92h DOS error codes+80h \ codes > 80h indicate 95h not enough memory to open panel file > that the panel was 98h null panel file name / not opened if object is a timer, the status is: 00000000h open but not running 40000000h open and running 80000000h closed if object is an OBJECTQ, the status is: 00000000h open 80000000h closed if object is a keyboard in keystroke mode, the status is the extended character code (scan code) of the last keystroke if object is a keyboard in field mode, the status indicates the reason for the last return from the field manager 00h Enter key pressed 01h Button 1 or keystroke selection 02h Button 2 03h validation 04h auto Enter on field 1Bh Escape pressed 46h ^Break pressed other: extended code for key terminating input the status of mailbox messages sent by the window manager is always 80h the status of a pointer message is the same as the status field in the message SeeAlso: AH=12h/BH=04h"READ" --------Q-1512--BH10------------------------- INT 15 - TopView - SEND MESSAGE - "EOF" - GET OBJECT EOF STATUS AH = 12h BH = 10h BL = object 00h handle is DWORD on top of stack window: return TRUE if logical cursor past end of window mailbox: ??? 01h returns TRUE if logical cursor past end of task's def window 02h return ??? for task's mailbox (task's handle on top of stack) 03h return ??? for current task's mailbox 0Ch (DV 2.26+) check log crsr of window owning handle on top of stk 0Dh (DV 2.26+) check log cursor of window of parent task Return: DWORD on top of stack is status --------Q-1512--BH11------------------------- INT 15 - TopView - SEND MESSAGE - "AT" - POSITION OBJECT CURSOR AH = 12h BH = 11h BL = window for which to move cursor 00h window's handle is DWORD on top of stack 01h task's default window 0Ch (DV 2.26+) default window of task owning handle on top of stack 0Dh (DV 2.26+) default window of parent of current task STACK: DWORD column DWORD row --------Q-1512--BH11------------------------- INT 15 - TopView - SEND MESSAGE - "SETNAME" - ASSIGN NAME TO MAILBOX AH = 12h BH = 11h BL = mailbox to name 00h DWORD on top of stack is mailbox handle 02h use given task's mailbox (task's handle on top of stack) 03h use current task's default mailbox STACK: DWORD length of name DWORD address of name SeeAlso: AH=12h/BH=12h"GETNAME",AX=DE0Eh --------Q-1512--BX1100----------------------- INT 15 - TopView - SEND MESSAGE - "SETSCALE" - SET POINTER SCALE FACTOR AH = 12h BX = 1100h STACK: DWORD object handle for pointer object DWORD number of colums to scale pointer position to DWORD number of rows to scale pointer position to SeeAlso: AH=12h/BX=1200h --------Q-1512--BH12------------------------- INT 15 - TopView - SEND MESSAGE - "READN" - GET NEXT N OBJECT BYTES AH = 12h BH = 12h BL = window to read from 00h handle is DWORD on top of stack 01h read next N chars or attributes on task's default window 0Ch (DV 2.26+) read window of task owning handle on top of stack 0Dh (DV 2.26+) read default window of parent of current task STACK: DWORD count Return: STACK: DWORD number of bytes actually read DWORD address of buffer containing data Notes: reading starts at the current logical cursor position; the cursor is updated to point at the character following the last one read any translucent blanks (FFh) which are visible on screen are changed to the character which is seen through them the string produced by the read is placed in an input buffer which may be reused by the next READ or READN of a window window stream opcodes D8h and D9h determine whether the read returns characters or attributes SeeAlso: AH=12h/BH=04h"WINDOW",AH=12h/BH=05h"WINDOW" --------Q-1512--BH12------------------------- INT 15 - DESQview 2.50+ - SEND MESSAGE - "GETNAME" - GET NAME OF MAILBOX AH = 12h BH = 12h BL = mailbox for which to retrieve name 00h DWORD on top of stack is mailbox handle 02h use given task's mailbox (task's handle on top of stack) 03h use current task's default mailbox STACK: DWORD length of buffer for name DWORD pointer to buffer Return: STACK: DWORD length of returned name (or size of buffer, if less) Program: DESQview 2.5x is distributed as part of DESQview/X 1.0x Note: the returned name is not NUL-terminated SeeAlso: AH=12h/BH=11h"SETNAME",AX=DE0Eh --------Q-1512--BX1200----------------------- INT 15 - TopView - SEND MESSAGE - "GETSCALE" - GET POINTER SCALE FACTOR AH = 12h BX = 1200h STACK: DWORD object handle for pointer Return: STACK: DWORD pointer pos scaled as if window were this many colums wide DWORD pointer pos scaled as if window were this many rows high SeeAlso: AH=12h/BX=1100h --------Q-1512--BH13------------------------- INT 15 - TopView - SEND MESSAGE - "REDRAW" - REDRAW WINDOW AH = 12h BH = 13h BL = window object 00h DWORD on top of stack is handle for window to redraw 01h redraw task's default window 0Ch (DV 2.26+) redraw window of task owning handle on top of stack 0Dh (DV 2.26+) redraw default window of parent of current task SeeAlso: AH=12h/BH=05h"WINDOW",AH=12h/BH=0Eh --------Q-1512--BH13------------------------- INT 15 - DESQview 2.50+ - SEND MESSAGE - "READINTO" - GET NEXT MAIL MESSAGE AH = 12h BH = 13h BL = mailbox from which to read 00h DWORD on top of stack is mailbox handle 02h use given task's mailbox (task's handle on top of stack) 03h use current task's default mailbox STACK: DWORD size of buffer in bytes DWORD pointer to buffer Return: STACK: DWORD number of bytes read Program: DESQview 2.5x is distributed as part of DESQview/X 1.0x Notes: this call blocks if no input is available, but will return less than the requested number of bytes if some (but insufficient) data is available use this call instead of AH=12h/BH=04h if the mailbox has flag bits 4 or 5 set, as common memory may be exhausted by that call when attempting to read the next message SeeAlso: AH=12h/BH=04h"READ",AH=12h/BH=05h,AH=12h/BH=16h --------Q-1512--BX1300----------------------- INT 15 - TopView - SEND MESSAGE - "SETICON" - SPECIFY POINTER ICON AH = 12h BX = 1300h STACK: DWORD object handle for pointer DWORD character to use for pointer --------Q-1512--BH14------------------------- INT 15 - TopView - SEND MESSAGE - "SETESC" - SET ESCAPE ROUTINE ADDRESS AH = 12h BH = 14h BL = message modifier 00h handle is DWORD on top of stack 01h define user stream 04h intercept keystrokes from KEYBOARD to window (handle on stack) 05h intercept keystrokes from task's default KEYBOARD to a window STACK: (if window) DWORD user stream number (14h-1Fh) DWORD address of FAR user stream handler (if keyboard) DWORD address of FAR filter function The keyboard filter function is called when the keyboard is in field mode. On entry, AL = character AH = 00h or extended ASCII code if AL = 00h BL = field number CH = cursor column CL = cursor row DL = field type modifier (sixth item in field table entry) DH = seventh item in field table entry ES:SI = window's handle DS:DI -> field table entry for field containing the cursor The filter function should return AH = 00h use keystroke 01h ignore keystroke FFh beep and ignore keystroke Note: the filter function is not allowed to make INT 15, DOS, or BIOS calls --------Q-1512--BH14------------------------- INT 15 - TopView - SEND MESSAGE - "LOCK" - REQUEST EXCLUSIVE ACCESS TO RESOURCE AH = 12h BH = 14h BL = object 00h mailbox handle is DWORD on top of stack 02h use given task's mailbox (task's handle on top of stack) 03h use current task's default mailbox Note: release exclusive access by sending CLOSE message to mailbox access may be requested multiple times, and requires multiple CLOSEs SeeAlso: AH=12h/BH=0Dh --------Q-1512--BH15------------------------- INT 15 - DESQview v2.20+ - SEND MESSAGE - "SETFLAGS" - SET OBJECT FLAGS AH = 12h BH = 15h BL = object 00h DWORD on top of stack mailbox, keyboard, or pointer only 02h mailbox for task whose handle is on top of stack 03h mailbox for current task 04h keyboard for task whose handle is on top of stack 05h keyboard for current task STACK: DWORD flags (see below) Return: nothing Notes: only available if the API level has been set to at least 2.20 equivalent to performing SUBFROM and ADDTO calls on the object if a mailbox has bits 4 or 5 set, you must use "READINTO" rather than "READ" (see AH=12h/BX=1300h"READINTO") to retrieve messages SeeAlso: AH=12h/BH=0Ah,AH=12h/BH=0Bh,AH=12h/BH=16h Bitfields for mailbox object flags: Bit(s) Description 0 all mail messages in common memory 1 allow write even if closed 2 don't erase messages when mailbox closed 4 (DV/X) append messages with like status and sender (stream-oriented mail) 5 (DV/X) store mail in expanded memory (pool grows as needed) 6 (DV/X) make mailbox into non-owned mailbox Bitfields for keyboard object flags: Bit(s) Description 5 exclusive input when keyboard in use for input --------Q-1512--BH16------------------------- INT 15 - DESQview v2.20+ - SEND MESSAGE - "GETFLAGS" - GET OBJECT FLAGS AH = 12h BH = 16h BL = object 00h DWORD on top of stack mailbox, keyboard, or pointer only 02h mailbox for task whose handle is on top of stack 03h mailbox for current task 04h keyboard for task whose handle is on top of stack 05h keyboard for current task Return: STACK: DWORD current control flags (see AH=12h/BH=15h) Notes: only available if the API level has been set to at least 2.20 if a mailbox has bits 4 or 5 set, you must use "READINTO" rather than "READ" (see AH=12h/BH=13h"READINTO") to retrieve messages SeeAlso: AH=12h/BH=0Ah,AH=12h/BH=0Bh,AH=12h/BH=13h"READINTO",AH=12h/BH=15h --------Q-1512--BH17------------------------- INT 15 - DESQview v2.42-2.52 - BUG AH = 12h BH = 17h BL = object 00h DWORD on top of stack mailbox, keyboard, or pointer only 02h mailbox for task whose handle is on top of stack 03h mailbox for current task 04h keyboard for task whose handle is on top of stack 05h keyboard for current task Notes: due to a fencepost error, message 17h is accepted for mailboxes, keyboards, and pointers, but causes a random branch DESQview v2.50-2.52 are distributed as part of DESQview/X v1.02 --------Q-1512--BH80------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 00h WITH ERROR RECOVERY AH = 12h BH = 80h Note: this function is identical to AH=12h/BH=00h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL: 00h no error 01h invalid values 02h alias invalid 03h handle valid but wrong type 04h invalid handle SeeAlso: AH=12h/BH=00h --------Q-1512--BH81------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 01h WITH ERROR RECOVERY AH = 12h BH = 81h Note: this function is identical to AH=12h/BH=01h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=01h --------Q-1512--BH82------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 02h WITH ERROR RECOVERY AH = 12h BH = 82h Note: this function is identical to AH=12h/BH=02h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=02h --------Q-1512--BH83------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 03h WITH ERROR RECOVERY AH = 12h BH = 83h Note: this function is identical to AH=12h/BH=03h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=03h,AH=12h/BX=0300h --------Q-1512--BH84------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 04h WITH ERROR RECOVERY AH = 12h BH = 84h Note: this function is identical to AH=12h/BH=04h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=04h,AH=12h/BX=0400h --------Q-1512--BH85------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 05h WITH ERROR RECOVERY AH = 12h BH = 85h Note: this function is identical to AH=12h/BH=05h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=05h --------Q-1512--BH86------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 06h WITH ERROR RECOVERY AH = 12h BH = 86h Note: this function is identical to AH=12h/BH=06h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=06h --------Q-1512--BH87------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 07h WITH ERROR RECOVERY AH = 12h BH = 87h Note: this function is identical to AH=12h/BH=07h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=07h --------Q-1512--BH88------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 08h WITH ERROR RECOVERY AH = 12h BH = 88h Note: this function is identical to AH=12h/BH=08h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=08h --------Q-1512--BH89------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 09h WITH ERROR RECOVERY AH = 12h BH = 89h Note: this function is identical to AH=12h/BH=09h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=09h --------Q-1512--BH8A------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 0Ah WITH ERROR RECOVERY AH = 12h BH = 8Ah Note: this function is identical to AH=12h/BH=0Ah, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=0Ah --------Q-1512--BH8B------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 0Bh WITH ERROR RECOVERY AH = 12h BH = 8Bh Note: this function is identical to AH=12h/BH=0Bh, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=0Bh --------Q-1512--BH8C------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 0Ch WITH ERROR RECOVERY AH = 12h BH = 8Ch Note: this function is identical to AH=12h/BH=0Ch, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=0Ch --------Q-1512--BH8D------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 0Dh WITH ERROR RECOVERY AH = 12h BH = 8Dh Note: this function is identical to AH=12h/BH=0Dh, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=0Dh --------Q-1512--BH8E------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 0Eh WITH ERROR RECOVERY AH = 12h BH = 8Eh Note: this function is identical to AH=12h/BH=0Eh, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=0Eh --------Q-1512--BH8F------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 0Fh WITH ERROR RECOVERY AH = 12h BH = 8Fh Note: this function is identical to AH=12h/BH=0Fh, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=0Fh --------Q-1512--BH90------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 10h WITH ERROR RECOVERY AH = 12h BH = 90h Note: this function is identical to AH=12h/BH=10h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=10h --------Q-1512--BH91------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 11h WITH ERROR RECOVERY AH = 12h BH = 91h Note: this function is identical to AH=12h/BH=11h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=11h,AH=12h/BX=1100h --------Q-1512--BH92------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 12h WITH ERROR RECOVERY AH = 12h BH = 92h Note: this function is identical to AH=12h/BH=12h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=12h,AH=12h/BX=1200h --------Q-1512--BH93------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 13h WITH ERROR RECOVERY AH = 12h BH = 93h Note: this function is identical to AH=12h/BH=13h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=13h --------Q-1512--BH94------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 14h WITH ERROR RECOVERY AH = 12h BH = 94h Note: this function is identical to AH=12h/BH=14h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=14h --------Q-1512--BH95------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 15h WITH ERROR RECOVERY AH = 12h BH = 95h Note: this function is identical to AH=12h/BH=15h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=15h --------Q-1512--BH96------------------------- INT 15 - DESQview v2.50+ - SEND MESSAGE 16h WITH ERROR RECOVERY AH = 12h BH = 96h Note: this function is identical to AH=12h/BH=16h, except that DESQview will not pop up a "Programming Error" window, instead returning an error code in AL (see AH=12h/BH=80h) SeeAlso: AH=12h/BH=16h --------T-1513------------------------------- INT 15 - VMiX - "sys_wake" - WAKE SLEEPING PROCESS AH = 13h STACK: WORD process ID Return: AX = status (SYS_OK or SYS_ERROR) SeeAlso: AH=12h"VMiX" --------T-1513------------------------------- INT 15 - MultiDOS Plus - GET TASK CONTROL BLOCK AH = 13h Return: BX:AX -> task control block (see below) SeeAlso: AH=15h"MultiDOS" Format of MultiDOS Plus v4.0 task control block: Offset Size Description 00h DWORD pointer to next TCB 04h 8 BYTEs ASCIZ task name 0Ch 2 BYTEs ??? 0Eh WORD task PSP segment 10h WORD abort/suspend flags 12h WORD current screen segment (see AH=0Bh,AH=0Ch) 14h WORD priority level (0000h-FFFEh) 16h WORD time slice counter 18h 2 BYTEs ??? 1Ah WORD suspend timer value 1Ch WORD stack segment 1Eh WORD stack pointer 20h WORD display type 22h WORD display memory 24h 2 BYTEs ??? 26h WORD termination count 28h WORD equipment flag for BIO10 driver 2Ah BYTE background CRT mode 2Bh WORD screen width in columns 2Dh WORD screen size in bytes 2Fh WORD segment of physical screen memory 31h 16 BYTEs eight cursor positions 41h WORD current cursor shape 43h BYTE active display page 44h WORD CRT controller I/O port base 46h 2 BYTEs ??? 48h WORD foreground task flag 4Ah 6 BYTEs ??? 50h WORD saved video segment (see AH=0Bh,AH=0Ch) 52h DWORD old INT 22 56h DWORD old INT 23 5Ah DWORD old INT 24 5Eh WORD top of memory for task 60h 4 BYTEs ??? 64h WORD DTA segment (see INT 21/AH=1Ah) 66h WORD DTA offset 68h 4 BYTEs ??? 6Ch BYTE current ANSI.SYS attribute 6Dh BYTE current ANSI.SYS column 6Eh BYTE current ANSI.SYS row 6Fh BYTE current ANSI.SYS display state 70h BYTE maximum ANSI.SYS columns 71h BYTE current ANSI.SYS page 72h WORD saved ANSI.SYS cursor position 74h BYTE ANSI.SYS parameter buffer index 75h BYTE current ANSI.SYS screen mode 76h BYTE ANSI.SYS wrap flag 77h 6 BYTEs ANSI.SYS parameter buffer 7Dh BYTE ANSI.SYS keyboard DSR state 7Eh 7 BYTEs ANSI.SYS keyboard DSR buffer 85h 3 BYTEs ??? 88h 16 BYTEs request header for DOS driver calls 98h 14 BYTEs ??? A6h WORD segment of EMS map if EMS task A8h WORD flag: task makes EMS calls AAh WORD EMS handle for task ACh WORD keyboard shift state AEh 12 BYTEs ??? BAh WORD TCB of parent if child task BCh WORD termination code BEh WORD COM port number C0h 4 BYTEs ??? C4h WORD current IRQ number C6h 2 BYTEs ??? C8h WORD miscellaneous flag word CAh 2 BYTEs ??? CCh DWORD old INT 10 D0h WORD EMS alternate map set number D2h 414 BYTEs DOS current disk and directory context (optional) --------T-1514------------------------------- INT 15 - VMiX - "sys_clrwindow" - CLEAR WINDOW AH = 14h STACK: WORD top left corner of window (high byte = row, low = col) WORD bottom right corner of window (high = row, low = col) Return: AX = status (SYS_OK) Note: clears window to color set with "sys_setcolors" (AH=18h) SeeAlso: AH=15h"VMiX",AH=16h"VMiX",AH=18h"VMiX",AH=1Fh"VMiX" --------T-1514------------------------------- INT 15 - MultiDOS Plus - CHECK IF MultiDOS FOREGROUND OR BACKGROUND AH = 14h Return: AX = current state 0000h MultiDOS Plus command prompt is background task 0001h command prompt is foreground task SeeAlso: AH=0Bh"MultiDOS" --------T-1515------------------------------- INT 15 - VMiX - "sys_setbwindow" - SET BANNER WINDOW MESSAGE AH = 15h STACK: DWORD pointer to ASCIZ banner message for top of screen Return: AX = status (SYS_OK) SeeAlso: AH=14h"VMiX",AH=16h"VMiX" --------T-1515------------------------------- INT 15 - MultiDOS Plus - GET SYSTEM BLOCK AH = 15h Return: BX:AX -> system block (see below) SeeAlso: AH=13h"MultiDOS" Format of MultiDOS Plus 4.0 system block: Offset Size Description 00h WORD segment of system control block 02h WORD redirection flag set by /NOREDIRECT 04h WORD no-INT 10 flag set by /NO10 06h DWORD old INT 10 0Ah DWORD new INT 10 0Eh DWORD pointer to WORD with current TCB offset (see AH=13h) 12h DWORD pointer to WORD with idle task TCB offset 16h DWORD pointer to WORD with foreground TCB offset 1Ah DWORD pointer to WORD with MultiDOS TCB offset 1Eh WORD Task Control Block size 20h WORD number of TCBs 22h WORD flag: EMS present 24h WORD EMS page frame base segment 26h WORD 16K pages in EMS page frame 28h WORD base segment for conventional memory tasks 2Ah WORD conventional memory size in paragraphs 2Ch DWORD pointer to list of queue pointers --------T-1516------------------------------- INT 15 - VMiX - "sys_setwindow" - SET ROOT WINDOW SIZE AND HOME CURSOR AH = 16h STACK: DWORD pointer to I/O Request Packet WORD top left corner of window (high byte = row, low = col) WORD bottom right corner of window (high = row, low = col) Return: AX = status (SYS_OK or SYS_ERROR) SeeAlso: AH=14h"VMiX",AH=17h"VMiX" --------T-1516------------------------------- INT 15 - MultiDOS Plus - INITIALIZATION AH = 16h Note: used internally during initialization; any other calls will cause unpredictable results --------T-1517------------------------------- INT 15 - VMiX - "sys_getcolors" - GET CONSOLE WINDOW COLORS AH = 17h Return: AH = foreground color AL = background color SeeAlso: AH=16h"VMiX",AH=18h"VMiX" --------T-1517------------------------------- INT 15 - MultiDOS Plus - MAP IRQ AH = 17h AL = IRQ to map (01h-0Fh) BX = offset of task control block (see AH=13h) to associate with IRQ Return: AX = status 0000h successful other invalid IRQ Note: the EMS map of the specified TCB is associated with the given interrupt SeeAlso: AH=18h"MultiDOS",AH=19h"MultiDOS" --------T-1518------------------------------- INT 15 - VMiX - "sys_setcolors" - SET CONSOLE COLORS AH = 18h STACK: WORD new background/foreground colors bits 3-0: foreground bits 7-4: background bits 15-8: unused Return: AX = color SeeAlso: AH=14h"VMiX",AH=17h"VMiX",AH=19h"VMiX" --------T-1518------------------------------- INT 15 - MultiDOS Plus - UNMAP IRQ AH = 18h AL = IRQ to unmap (01h-0Fh) Return: AX = status 0000h successful 0001h invalid IRQ Note: results are unpredictable if the IRQ has not been mapped SeeAlso: AH=17h"MultiDOS",AH=19h"MultiDOS" --------T-1519------------------------------- INT 15 - VMiX v2+ - "sys_setconwn" - SET WINDOW COLORS AH = 19h STACK: WORD new background/foreground colors bits 3-0: foreground bits 7-4: background bits 15-8: unused Return: AX = color SeeAlso: AH=18h"VMiX" --------T-1519------------------------------- INT 15 - MultiDOS Plus - UNMAP ALL IRQs AH = 19h Return: AX destroyed Note: for MultiDOS internal use only SeeAlso: AH=17h"MultiDOS",AH=18h"MultiDOS" --------T-151A------------------------------- INT 15 - VMiX v2+ - "sys_sint" - INVOKE SOFTWARE INTERRUPT AH = 1Ah STACK: WORD interrupt number DWORD pointer to register structure Return: AX = returned flags --------T-151A------------------------------- INT 15 - MultiDOS Plus - MAP SEMAPHORE NAME TO NUMBER AH = 1Ah DS:SI -> 8-byte name Return: AL = status 00h successful AH = semaphore number (20h-3Fh) 04h out of string space Notes: all eight bytes of the name are significant if the name does not already exist, it is added to the name table and associated with a free semaphore number names cannot be destroyed SeeAlso: AH=1Bh"MultiDOS",AH=1Ch"MultiDOS",AH=1Dh"MultiDOS" --------T-151B------------------------------- INT 15 - VMiX v2+ - "sys_blkmov" - MOVE MEMORY BLOCK AH = 1Bh STACK: DWORD source address DWORD destination address WORD number of words to move Return: nothing --------T-151B------------------------------- INT 15 - MultiDOS Plus - REQUEST RESOURCE SEMAPHORE BY NAME AH = 1Bh DS:SI -> 8-byte name Return: AH = status 00h successful 02h invalid semaphore number 03h caller already owns semaphore 04h out of string space Notes: (see AH=01h"MultiDOS") equivalent to AH=1Ah followed by AH=01h SeeAlso: AH=01h"MultiDOS",AH=1Ah"MultiDOS",AH=1Ch"MultiDOS",AH=1Dh"MultiDOS" --------T-151C------------------------------- INT 15 - VMiX v2+ - "sys_bitblt" - PUT GRAPHICAL OBJECT AT CURSOR POSITION AH = 1Ch STACK: WORD AND/OR pixel with background (00h = OR, 01h = AND) DWORD pointer to object bitmap WORD object width in pixels WORD object height in pixels Return: nothing SeeAlso: AH=1Dh"VMiX" --------T-151C------------------------------- INT 15 - MultiDOS Plus - RELEASE RESOURCE SEMAPHORE BY NAME AH = 1Ch DS:SI -> 8-byte name Return: AH = status 00h successful 01h not semaphore owner 02h invalid semaphore number 04h out of string space Notes: (see AH=02h"MultiDOS") equivalent to AH=1Ah followed by AH=02h SeeAlso: AH=02h"MultiDOS",AH=1Ah"MultiDOS",AH=1Bh"MultiDOS",AH=1Dh"MultiDOS" --------T-151D------------------------------- INT 15 - VMiX v2+ - "sys_getfont" - GET CURRENT CONSOLE GRAPHICS FONT AH = 1Dh Return: AX = current font number (00h-03h) SeeAlso: AH=1Ch"VMiX",AH=1Eh"VMiX" --------T-151D------------------------------- INT 15 - MultiDOS Plus - TEST RESOURCE SEMAPHORE BY NAME AH = 1Dh DS:SI -> 8-byte name Return: AH = status 00h semaphore not in use 01h semaphore owned by another task 02h invalid semaphore number 03h caller owns semaphore 04h out of string space Notes: (see AH=10h"MultiDOS") equivalent to AH=1Ah followed by AH=10h SeeAlso: AH=10h"MultiDOS",AH=1Ah"MultiDOS",AH=1Bh"MultiDOS",AH=1Ch"MultiDOS" --------T-151E------------------------------- INT 15 - VMiX v2+ - "sys_setfont" - SET CONSOLE GRAPHICS FONT AH = 1Eh STACK: WORD new font number (00h-03h) Return: AX = current font number (00h-03h) SeeAlso: AH=1Dh"VMiX" --------T-151E00----------------------------- INT 15 - MultiDOS Plus - CLEAR EVENT COUNTER AX = 1E00h DX = event/trigger number (00h-3Fh) Return: AH = status 00h successful SeeAlso: AX=1E01h,AX=1E02h --------T-151E01----------------------------- INT 15 - MultiDOS Plus - TRIGGER EVENT AX = 1E01h DX = event/trigger number (00h-3Fh) Return: AH = status 00h successful 01h invalid event/trigger number Notes: schedules any task waiting for event; if no task is waiting, the event counter is incremented (and will roll over if it was 65535) may be invoked by interrupt handler SeeAlso: AX=1E00h,AX=1E02h --------T-151E02----------------------------- INT 15 - MultiDOS Plus - WAIT FOR EVENT AX = 1E02h DX = event/trigger number (00h-3Fh) Return: AH = status 00h successful 01h invalid event/trigger number Note: if the event counter is zero, the task is suspended until the event is triggered with AX=1E01h; else, the counter is decremented and the call returns immediately SeeAlso: AX=1E00h,AX=1E01h --------T-151E08----------------------------- INT 15 - MultiDOS Plus 4.01 - SET CONTEXT-SWITCH FUNCTIONS AX = 1E08h DX:BX -> context save handler DX:CX -> context restore handler Note: handlers may be removed by setting addresses to 0000h:0000h Handlers are called with: ES:BX -> task's TCB Return: all registers preserved --------T-151F------------------------------- INT 15 - VMiX v2.???+ - "sys_scrollwin" - SCROLL WINDOW AH = 1Fh STACK: WORD top left corner of window (high byte = row, low = col) WORD bottom right corner of window Return: AX = status (SYS_OK) SeeAlso: AH=14h"VMiX",AH=18h"VMiX" --------T-151F------------------------------- INT 15 - MultiDOS Plus v4.01 - GET MEMORY PARAMETERS AH = 1Fh Return: BX = first segment of conventional memory DX = first segment of EMS swap frame into which MultiDOS will load programs --------T-1520------------------------------- INT 15 - MultiDOS Plus v4.01 - CHECK IF MULTITASKING ENABLED AH = 20h Return: AX = current state 0000h multitasking enabled other TCB of task that disabled multitasking SeeAlso: AH=0Dh"MultiDOS",AH=13h"MultiDOS" --------c-152000----------------------------- INT 15 U - DOS 3+ PRINT.COM - DISABLE CRITICAL REGION FLAG AX = 2000h Desc: stop setting user flag on entry to PRINT critical region Note: also supported by PC Network v1.00 RECEIVER.COM SeeAlso: AX=2001h --------c-152001----------------------------- INT 15 U - DOS 3+ PRINT.COM - SET CRITICAL REGION FLAG AX = 2001h ES:BX -> byte which is to be incremented while in a DOS call Desc: specify a user flag which PRINT should set to let an interested application know it is in a critical region Note: also supported by PC Network v1.00 RECEIVER.COM SeeAlso: AX=2000h --------O-152010----------------------------- INT 15 - OS HOOK - SETUP SYSREQ ROUTINE (AT,XT286,PS50+) AX = 2010h ??? Return: ??? SeeAlso: AX=2011h --------O-152011----------------------------- INT 15 - OS HOOK - COMPLETION OF SYSREQ FUNCTION (AT,XT286,PS50+) AX = 2011h ??? Return: ??? SeeAlso: AX=2010h --------B-1521------------------------------- INT 15 - SYSTEM - POWER-ON SELF-TEST ERROR LOG (PS50+) AH = 21h AL = subfunction 00h read POST log 01h write POST log BH = device ID BL = error code Return: CF set on error AH = status (00h OK, 01h list full, 80h invalid cmd, 86h unsupported) if function 00h: BX = number of error codes stored ES:DI -> error log Note: the log is a series of words, the first byte of which identifies the error code and the second the device. --------B-1522------------------------------- INT 15 - SYSTEM - later PS/2s - LOCATE ROM BASIC AH = 22h Return: CF set on error AH = status (86h if function not supported) CF clear on success AH = 00h ES:BX -> ROM BASIC Note: if this function is not supported, ROM BASIC is at F600h:0000h SeeAlso: INT 86"BASIC",INT F0"BASIC" --------b-152400----------------------------- INT 15 - SYSTEM - later PS/2s - DISABLE A20 GATE AX = 2400h Return: CF clear if successful AH = 00h CF set on error AH = status 01h keyboard controller is in secure mode 86h function not supported Note: also supported by Qualitas 386MAX v6.01+ SeeAlso: AX=2401h,AX=2402h,AX=2403h --------b-152401----------------------------- INT 15 - SYSTEM - later PS/2s - ENABLE A20 GATE AX = 2401h Return: CF clear if successful AH = 00h CF set on error AH = status 01h keyboard controller is in secure mode 86h function not supported Note: also supported by Qualitas 386MAX v6.01+ SeeAlso: AX=2400h,AX=2402h --------b-152402----------------------------- INT 15 - SYSTEM - later PS/2s - GET A20 GATE STATUS AX = 2402h Return: CF clear if successful AH = 00h AL = current state (00h disabled, 01h enabled) CF set on error AH = status 01h keyboard controller is in secure mode 86h function not supported Note: also supported by Qualitas 386MAX v6.01+ SeeAlso: AX=2400h,AX=2401h --------b-152403----------------------------- INT 15 - SYSTEM - later PS/2s - QUERY A20 GATE SUPPORT AX = 2403h Return: CF clear if successful AH = 00h BX = status of A20 gate support (see below) CF set on error AH = status 01h keyboard controller is in secure mode 86h function not supported Note: also supported by Qualitas 386MAX v6.01+ SeeAlso: AX=2402h Bitfields for A20 gate support status: Bit(s) Description 0 supported with bit 1 of I/O port 92h 1 supported on keyboard controller 15 additional data is available (location not yet defined) --------B-1540------------------------------- INT 15 - SYSTEM - READ/MODIFY PROFILES (CONVERTIBLE) AH = 40h AL = subfunction 00h get system profile in CX and BX 01h set system profile from CX and BX 02h get internal modem profile in BX 03h set internal modem profile from BX Return: CF clear if successful AH = 00h CF set on error AH = status (80h = profile execution failed) --------V-154000----------------------------- INT 15 - Compaq SLT/286 or Portable 386 - READ LCD/PLASMA TIMEOUT AX = 4000h Return: AX = 4000h CL = timeout in minutes, 00h if disabled SeeAlso: AX=4001h,AX=4600h --------V-154001----------------------------- INT 15 - Compaq SLT/286 or Portable 386 - SET LCD/PLASMA TIMEOUT AX = 4001h CL = timeout in minutes, 00h to disable Return: AL = status 00h timeout modified 01h timeout cannot be modified 40h timeout cannot be modified CL = timeout in minutes, 00h if disabled SeeAlso: AX=4000h,AX=4601h --------B-1541------------------------------- INT 15 - SYSTEM - WAIT ON EXTERNAL EVENT (CONVERTIBLE and some others) AH = 41h AL = condition type (see below) BH = condition compare or mask value BL = timeout value times 55 milliseconds 00h means no timeout DX = I/O port address if AL bit 4 set ES:DI -> user byte if AL bit 4 clear Note: call AH=C0h and examine bit 3 of feature byte 1 to determine whether this function is supported SeeAlso: AH=83h,AH=86h,AH=C0h Bitfields for condition type: Bit(s) Description 0-2 condition to wait for 0 any external event 1 compare and return if equal 2 compare and return if not equal 3 test and return if not zero 4 test and return if zero 3 reserved 4 1=port address, 0=user byte 5-7 reserved --------B-1542------------------------------- INT 15 - SYSTEM - REQUEST POWER OFF (CONVERTIBLE,HP 95LX) AH = 42h AL = suspend type 00h to use system profile 01h to force suspend regardless of system profile Note: the HP 95LX apparently suspends regardless of the value in AL; on power-up, execution will resume following the instruction calling this function SeeAlso: AH=44h --------b-154280----------------------------- INT 15 - Compaq SLT/286 - ENTER STANDBY AX = 4280h Return: AH = 42h CF clear if successful CF set if unable to enter standby SeeAlso: AX=4600h,AX=5307h/BX=0001h/CX=0001h --------B-1543------------------------------- INT 15 - SYSTEM - READ SYSTEM STATUS (CONVERTIBLE) AH = 43h Return: AL = status bits (see below) Bitfields for Convertible system status: Bit(s) Description 7 power low 6 external power in use 5 standby power lost 4 power activated by alarm 3 internal modem powered on 2 RS232/parallel adapter powered on 1 reserved 0 LCD detached --------B-1544------------------------------- INT 15 - SYSTEM - (DE)ACTIVATE INTERNAL MODEM POWER (CONVERTIBLE) AH = 44h AL = new modem power state (00h power off, 01h power on) SeeAlso: AH=42h --------b-1544C0----------------------------- INT 15 - Olivetti Quaderno - INITIALIZE DIGITAL SIGNAL PROCESSING??? AX = 44C0h ES:DI -> new DSP procedure (exchanged with CMOS[28h]) ES:SI -> ??? buffer Return: ES:DI -> old DSP procedure ES:SI buffer filled with ten bytes from CMOS (addresses 14h-1Ch) followed by 00h (addresses 15h-1Ch copied only if less than 21h) Note: this function is also supported by XBIOS.COM SeeAlso: AX=44C9h --------b-1544C1----------------------------- INT 15 - Olivetti Quaderno - ??? AX = 44C1h ??? Return: ??? Note: this function is also supported by XBIOS.COM SeeAlso: AX=44C9h --------b-1544C2----------------------------- INT 15 - Olivetti Quaderno - ??? AX = 44C2h DL = byte to be written to I/O port 350h Note: this function is also supported by XBIOS.COM SeeAlso: AX=44C3h,AX=44C9h --------b-1544C3----------------------------- INT 15 - Olivetti Quaderno - GET ??? AX = 44C3h Return: DH = bitfields (see below) DL = value read from I/O port 350h Note: this function is also supported by XBIOS.COM SeeAlso: AX=44C2h,AX=44C9h Bitfields for ???: Bit(s) Description 5-7 5-7 read from I/O port 351h 2-4 zero 1-0 "tres complique" --------b-1544C4----------------------------- INT 15 - Olivetti Quaderno - ??? AX = 44C4h and 44C5h ??? Return: ??? Note: this function is also supported by XBIOS.COM SeeAlso: AX=44C9h --------b-1544C6----------------------------- INT 15 - Olivetti Quaderno - READ LCD AX = 44C6h Return: DX = FFFFh clock is displayed on LCD display DX = other: hex number displayed in first four positions of display BH = left alphanumeric character on display (see below) BL = right alphanumeric character on display (see below) CL = flags bit 0: right colon on bit 1: left colon on bits 2-7 unused Notes: the LCD display has the format HH:HH:AA, where H is a hex digit and A is an alphanumeric character this function is also supported by XBIOS.COM SeeAlso: AX=44C7h,AX=44C9h Values for alphanumeric characters: 00h-0Fh hex digit 2Bh "+" 2Dh "-" 30h-39h "0" to "9" 41h-5Ah "A" to "Z" 61h-6Ah "a" to "z" else blank --------b-1544C7----------------------------- INT 15 - Olivetti Quaderno - WRITE LCD AX = 44C7h DX = hex display FFFFh display clock and "HI", "Md", or "Lo" BH,BL,CL unused other: display specified hex number in first four positions BH = left alphanumeric character on display (see AX=44C6h) BL = right alphanumeric character on display (see AX=44C6h) CL = flags bit 0: right colon on bit 1: left colon on bits 2-7 unused Note: this function is also supported by XBIOS.COM SeeAlso: AX=44C6h --------b-1544C8----------------------------- INT 15 - Olivetti Quaderno - ??? AX = 44C8h CL = ??? (00h,02h,21h) CH = ??? ??? Return: ??? Note: this function is also supported by XBIOS.COM SeeAlso: AX=44C9h --------b-1544C9----------------------------- INT 15 - Olivetti Quaderno - GET XBIOS VERSION AX = 44C9h Return: AL = major version AH = minor version Note: this function is also supported by XBIOS.COM --------b-154600----------------------------- INT 15 - Compaq SLT/286 - READ POWER CONSERVATION/MODEM CONFIGURATION AX = 4600h Return: AH = modem configuration information (see below) AL = power conservation status information (see below) BH = default system inactivity timeout (1-21 minutes) BL = current system inactivity timeout (1-21 minutes) CH = default video display inactivity timeout (1-63 minutes) CL = current video display inactivity timeout (1-63 minutes) DH = default fixed disk drive inactivity timeout (1-21 minutes) DL = current fixed disk drive inactivity timeout (1-21 minutes) SeeAlso: AX=4280h,AX=4601h,INT 77 Bitfields for modem configuration information: Bit(s) Description 0 powerup state (0 off, 1 on) 1 modem installed 2 IRQ line assignment (0 IRQ 4, 1 IRQ 3) 3 COM port assignment (0 = COM 2, 1 = COM 1) 4 modem state (0 not assigned, 1 assigned) 5 modem is on Bitfields for power conservation status: Bit(s) Description 0 power source (0 internal, 1 external) 1-2 low battery state 00 no low battery condition 01 low battery 1 10 reserved 11 low battery 2 3-4 power conservation mode 00 automatic, 01 on, 10 off, 11 reserved --------b-154601----------------------------- INT 15 - Compaq SLT/286 - MODIFY POWER CONSERVATION/MODEM CONFIGURATION AX = 4601h BL = system inactivity timeout (1-21 minutes) FFh do not change CL = video display inactivity timeout (1-63 minutes) FFh do not change DL = current fixed disk drive inactivity timeout (1-21 minutes) FFh do not change DH = new modem state (00h turn off, 01h turn on, FFh don't change) Return: CF clear if successful AH = 00h BL = current system inactivity timeout (1-21 minutes) CL = current video display inactivity timeout (1-63 minutes) DL = current fixed disk drive inactivity timeout (1-21 minutes) DH = modem state (FFh unchanged, 00h turned off, 01h turned on) CF set on error AH = error code 01h input is out of range 02h no modem present SeeAlso: AX=4600h,INT 77 --------b-154604----------------------------- INT 15 - Compaq Contura 486 and "Alladin" 08/05/93 ROMs - GET ??? AX = 4604h Return: CF clear if successful AL = byte read from I/O port 03F8h CF set on error (not supported) AH = 86h (unsupported function) Note: also supported by 7/26/93 LTE Lite 386 ROM --------b-154605----------------------------- INT 15 - Compaq Contura 486 and "Alladin" 08/05/93 ROMs - ??? AX = 4605h Return: CF clear if successful CF set on error (not supported) AH = 86h (unsupported function) Note: this function is a NOP (other than clearing CF) in the 08/05/93 version of the Contura 486/486c/486cx and "Aladdin" ROM, and the 7/26/93 LTE Lite 386 ROM --------D-154900----------------------------- INT 15 - Far East MS-DOS - GET DOS TYPE AX = 4900h Return: CF clear if successful AH = 00h BL = type of DOS running 00h DOS/V 01h DOS/J or DOS/K (early IBM Japan versions of MS-DOS) CF set on error AH = 86h (function not supported) Note: in practice, DOS/J returns AH=86h; AX DOS does not support this call SeeAlso: INT 21/AH=30h --------b-154DD4----------------------------- INT 15 - HP 95LX - INSTALLATION CHECK AX = 4DD4h Return: BX = 4850h ("HP") if HP 95LX CX = ??? (0101h) DL = ??? (00h) SeeAlso: INT 0B"HP 95LX",INT 0F"HP 95LX",INT 5F/AH=00h,INT 60/DI=0100h SeeAlso: INT 61"HP 95LX" --------b-154E------------------------------- INT 15 - HP 95LX - ENABLE/DISABLE LIGHT SLEEP AH = 4Eh AL = light sleep 00h disabled 01h enabled Note: when light sleep is disabled, the system will continue running at full speed; when enabled, it may automatically slow to conserve batteries SeeAlso: INT 06"HP 95LX",INT 60/DI=0100h --------B-154F------------------------------- INT 15 C - KEYBOARD - KEYBOARD INTERCEPT (AT model 3x9,XT2,XT286,CONV,PS) AH = 4Fh AL = hardware scan code CF set Return: CF set AL = hardware scan code CF clear scan code should be ignored Note: called by INT 09 handler to translate scan codes; the INT 09 code does not examine the scan code it reads from the keyboard until after this function returns. This permits software to rearrange the keyboard; for example, swapping the CapsLock and Control keys, or turning the right Shift key into Enter. SeeAlso: INT 09,INT 15/AH=C0h --------T-1550------------------------------- INT 15 - VMIX v2.???+ - "sys_vm_page" - SET NEW VIRTUAL PAGE TABLE AH = 50h BX = segment of page directory table CX = page number of page table SeeAlso: AH=10h"VMiX",AH=51h"VMiX",AH=52h"VMiX" --------T-1551------------------------------- INT 15 - VMiX v2.???+ - "sys_vm_func" - EXECUTE FUNCTION IN PROTECTED MODE AH = 51h STACK: DWORD selector:offset of function Return: registers as returned by function Note: executes function with privilege level 0 (highest privilege) SeeAlso: AH=10h"VMiX",AH=52h"VMiX" --------B-155101----------------------------- INT 15 - SYSTEM - later PS/2s - EXPANSION UNIT, RETURN CONFIGURATION NUMBER AX = 5101h Return: CF set if successful AH = 00h AL = current configuration number 00h system unit only FFh configuration not recognized BX = status flag bits 0-14: reserved bit 15: additional data is available (location TBD) CF clear on error AH = status 01h expansion unit is not present 86h function not supported Note: CF convention is the reverse of the standard convention for this interrupt. (Perhaps a typo in the IBM BIOS Tech Ref?) --------T-1552------------------------------- INT 15 - VMiX v2.???+ - "sys_vm_init" - INITIALIZE PROTECTED-MODE ENVIRONMENT AH = 52h SeeAlso: AH=50h"VMiX",AH=51h"VMiX" --------p-155300BX0000----------------------- INT 15 - Advanced Power Management Specification - INSTALLATION CHECK AX = 5300h BX = 0000h (device ID of system BIOS) Return: CF clear if successful AH = major version (BCD) AL = minor version (BCD) BX = 504Dh ("PM") CX = flags (see below) CF set on error AH = error code (86h) (see below) Bitfields for flags: Bit(s) Description 0 16-bit protected mode interface supported 1 32-bit protected mode interface supported 2 CPU idle call reduces processor speed 3 BIOS power management disabled 4-7 reserved Values for error code: 01h power management functionality disabled 02h interface connection already in effect 03h interface not connected 04h real-mode interface not connected 05h 16-bit protected-mode interface already connected 06h 16-bit protected-mode interface not supported 07h 32-bit protected-mode interface already connected 08h 32-bit protected-mode interface not supported 09h unrecognized device ID 0Ah invalid parameter value in CX 0Bh-1Fh reserved for other interface and general errors 20h-3Fh reserved for CPU errors 40h-5Fh reserved for device errors 60h can't enter requested state 61h-7Fh reserved for other system errors 80h no power management events pending 81h-85h reserved for other power management event errors 86h APM not present 87h-9Fh reserved for other power management event errors --------p-155301BX0000----------------------- INT 15 - Advanced Power Management Specification - CONNECT REAL-MODE INTERFACE AX = 5301h BX = 0000h (device ID of system BIOS) Return: CF clear if successful CF set on error AH = error code (02h,09h) (see AX=5300h) SeeAlso: AX=5302h,AX=5303h,AX=5304h --------p-155302BX0000----------------------- INT 15 R - Advanced Power Management Spec - CONNECT 16-BIT PROTMODE INTERFACE AX = 5302h BX = 0000h (device ID of system BIOS) Return: CF clear if successful AX = real-mode segment base address of protected-mode 16-bit code segment BX = offset of entry point CX = real-mode segment base address of protected-mode 16-bit data segment CF set on error AH = error code (05h,06h,09h) (see AX=5300h) Notes: the caller must initialize two consecutive descriptors with the returned segment base addresses; these descriptors must be valid whenever the protected-mode interface is called, and will have their limits arbitrarily set to 64K. the protected mode interface is invoked by making a far call with the same register values as for INT 15; it must be invoked while CPL=0, the code segment descriptor must have a DPL of 0, the stack must be in a 16-bit segment and have enough room for BIOS use and possible interrupts, and the current I/O permission bit map must allow access to the I/O ports used for power management. functions 00h-03h are not available from protected mode SeeAlso: AX=5301h,AX=5303h,AX=5304h --------p-155303BX0000----------------------- INT 15 - Advanced Power Management Spec - CONNECT 32-BIT PROTMODE INTERFACE AX = 5303h BX = 0000h (device ID of system BIOS) Return: CF clear if successful AX = real-mode segment base address of protected-mode 32-bit code segment EBX = offset of entry point CX = real-mode segment base address of protected-mode 16-bit code segment DX = real-mode segment base address of protected-mode 16-bit data segment CF set on error AH = error code (07h,08h,09h) (see AX=5300h) Notes: the caller must initialize three consecutive descriptors with the returned segment base addresses for 32-bit code, 16-bit code, and 16-bit data, respectively; these descriptors must be valid whenever the protected-mode interface is called, and will have their limits arbitrarily set to 64K. the protected mode interface is invoked by making a far call to the 32-bit code segment with the same register values as for INT 15; it must be invoked while CPL=0, the code segment descriptor must have a DPL of 0, the stack must be in a 32-bit segment and have enough room for BIOS use and possible interrupts, and the current I/O permission bit map must allow access to the I/O ports used for power management. functions 00h-03h are not available from protected mode SeeAlso: AX=5301h,AX=5302h,AX=5304h --------p-155304BX0000----------------------- INT 15 - Advanced Power Management Specification - DISCONNECT INTERFACE AX = 5304h BX = 0000h (device ID of system BIOS) Return: CF clear if successful CF set on error AH = error code (03h,09h) (see AX=5300h) SeeAlso: AX=5301h,AX=5302h,AX=5303h --------p-155305----------------------------- INT 15 - Advanced Power Management Specification - CPU IDLE AX = 5305h Return: after system leaves idle state CF clear Notes: call when the system is idle and should be suspended until the next system event or interrupt should not be called from within a hardware interrupt handler to avoid reentrance problems if an interrupt causes the system to resume normal processing, the interrupt may or may not have been handled when the BIOS returns from this call; thus, the caller should allow interrupts on return interrupt handlers may not retain control if the BIOS allows interrupts while in idle mode even if they are able to determine that they were called from idle mode the caller should issue this call continuously in a loop until it needs to perform some processing of its own SeeAlso: AX=1000h,AX=5306h,INT 2F/AX=1680h --------p-155306----------------------------- INT 15 - Advanced Power Management Specification - CPU BUSY AX = 5306h Return: CF clear Notes: called to ensure that the system runs at full speed even on systems where the BIOS is unable to recognize increased activity (especially if interrupts are hooked by other programs and not chained to the BIOS) this call may be made even when the system is already running at full speed, but it will create unnecessary overhead should not be called from within a hardware interrupt handler to avoid reentrance problems SeeAlso: AX=5305h --------p-155307----------------------------- INT 15 - Advanced Power Management Specification - SET POWER STATE AX = 5307h BX = device ID (see below) CX = system state ID 0000h ready (not supported for device ID 0001h) 0001h stand-by 0002h suspend 0003h off (not supported for device ID 0001h) 0004h-FFFFh reserved Return: CF clear if successful CF set on error AH = error code (01h,09h,0Ah,60h) (see AX=5300h) Note: should not be called from within a hardware interrupt handler to avoid reentrance problems Values for device IDs: 0000h system BIOS 0001h all devices for which the system BIOS manages power 01xxh display (01FFh for all attached display devices) 02xxh secondary storage (02FFh for all attached secondary storage devices) 03xxh parallel ports (03FFh for all attached parallel ports) 04xxh serial ports (04FFh for all attached serial ports) 0500h-FFFFh reserved --------p-155307BX0001----------------------- INT 15 - Advanced Power Management Specification - SYSTEM STAND-BY AX = 5307h BX = 0001h CX = 0001h Return: CF clear Notes: puts the entire system into stand-by mode; normally called in response to a System Stand-by Request notification after any necessary processing, but may also be invoked at the caller's discretion should not be called from within a hardware interrupt handler to avoid reentrance problems the stand-by state is typically exited on an interrupt SeeAlso: AX=4280h,AX=5307h/BX=0001h/CX=0002h,AX=530Bh --------p-155307BX0001----------------------- INT 15 - Advanced Power Management Specification - SUSPEND SYSTEM AX = 5307h BX = 0001h CX = 0002h Return: after system is resumed CF clear Notes: puts the entire system into a low-power suspended state; normally called in response to a Suspend System Request notification after any necessary processing, but may also be invoked at the caller's discretion should not be called from within a hardware interrupt handler to avoid reentrance problems the caller may need to update its date and time values because the system could have been suspended for a long period of time SeeAlso: AX=5307h/BX=0001h/CX=0001h,AX=530Bh --------p-155308BXFFFF----------------------- INT 15 - Advanced Power Management Spec - ENABLE/DISABLE POWER MANAGEMENT AX = 5308h BX = FFFFh CX = new state 0000h disabled 0001h enabled Return: CF clear if successful CF set on error AH = error code (01h,09h,0Ah) (see AX=5300h) Notes: when power management is disabled, the system BIOS will not automatically power down devices, enter stand-by or suspended mode, or perform any power-saving actions in response to AX=5305h calls should not be called from within a hardware interrupt handler to avoid reentrance problems SeeAlso: AX=5309h --------p-155309BXFFFF----------------------- INT 15 - Advanced Power Management Specification - RESTORE POWER-ON DEFAULTS AX = 5309h BX = FFFFh Return: CF clear if successful CF set on error AH = error code (09h) (see AX=5300h) Note: should not be called from within a hardware interrupt handler to avoid reentrance problems SeeAlso: AX=5308h --------p-15530ABX0001----------------------- INT 15 - Advanced Power Management Specification - GET POWER STATUS AX = 530Ah BX = 0001h Return: CF clear if successful BH = AC line status 00h off-line 01h on-line FFh unknown other reserved BL = battery status 00h high 01h low 02h critical 03h charging FFh unknown other reserved CL = remaining battery life 00h-64h (0-100) percentage of full charge FFh unknown CF set on error AH = error code (09h) (see AX=5300h) Note: should not be called from within a hardware interrupt handler to avoid reentrance problems --------p-15530B----------------------------- INT 15 - Advanced Power Management Specification - GET POWER MANAGEMENT EVENT AX = 530Bh Return: CF clear if successful BX = event code 0001h system stand-by request 0002h system suspend request 0003h normal resume system notification 0004h critical resume system notification 0005h battery low notification CF set on error AH = error code (03h,80h) (see AX=5300h) Notes: although power management events are often asynchronous, notification will not be made until polled via this call to permit software to only receive event notification when it is prepared to process power management events; since these events are not very time- critical, it should be sufficient to poll once or twice per second the critical resume notification is made after the system resumes from an emergency suspension; normally, the system BIOS only notifies its partner that it wishes to suspend and relies on the partner to actually request the suspension, but no notification is made on an emergency suspension should not be called from within a hardware interrupt handler to avoid reentrance problems SeeAlso: AX=5307h,AX=5307h/BX=0001h/CX=0001h,AX=5307h/BX=0001h/CX=0002h --------T-155400----------------------------- INT 15 C - Omniview Multitasker - INSTALLATION NOTIFICATION AX = 5400h ES:BX -> device information tables DI:DX -> dispatcher entry point Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5407h,INT 2F/AX=DE00h --------T-155401----------------------------- INT 15 C - Omniview Multitasker - PROCESS CREATION AX = 5401h ES:BX = process handle Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5402h,INT 2F/AX=DE04h --------T-155402----------------------------- INT 15 C - Omniview Multitasker - PROCESS DESTRUCTION AX = 5402h ES:DX = process handle Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5401h,INT 2F/AX=DE05h --------T-155403----------------------------- INT 15 C - Omniview Multitasker - SAVE AX = 5403h ES:DX = process swapping out Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5404h,INT 2F/AX=DE08h --------T-155404----------------------------- INT 15 C - Omniview Multitasker - RESTORE AX = 5404h ES:DX = process swapping in Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5403h,INT 2F/AX=DE09h --------T-155405----------------------------- INT 15 C - Omniview Multitasker - SWITCHING TO BACKGROUND AX = 5405h ES:DX = process swapping in Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5406h --------T-155406----------------------------- INT 15 C - Omniview Multitasker - SWITCHING TO FOREGROUND AX = 5406h ES:DX = process swapping in Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5405h --------T-155407----------------------------- INT 15 C - Omniview Multitasker - EXIT NOTIFICATION AX = 5407h Note: called by OmniView to notify programs loaded before OmniView of state changes inside OmniView SeeAlso: AX=5400h,INT 2F/AX=DE03h --------b-1560------------------------------------ INT 15 - HUNTER 16 - SET SYSTEM CLOCK SPEED AH = 60h AL = new speed 00h normal (8 MHz) 01h Slow Mode 1 (4 MHz) 02h Slow Mode 2 (2 MHz) Note: the Husky Hunter 16 is an 8088-based ruggedized laptop. Other family members are the Husky Hunter, Husky Hunter 16/80, and Husky Hawk. SeeAlso: AX=6301h --------b-1561------------------------------------ INT 15 - HUNTER 16 - GET POWER LEVEL AH = 61h Return: AH = percentage of full power left (0..100) Desc: determine how much battery power is left SeeAlso: AH=62h,AH=66h,AH=73h"HUNTER" --------b-1562------------------------------------ INT 15 - HUNTER 16 - SET LOW POWER THRESHOLD AH = 62h AL = level (00h 5%, 01h 10%, ... 12h 95%) BX = interval between power low warnings in seconds (1..600) Return: AH = Status Desc: set the level (relative to full power) when power-low warnings begin and the interval between the warnings SeeAlso: AH=61h,AH=65h,AH=66h --------b-156300---------------------------------- INT 15 - HUNTER 16 - GET IDLE TIMEOUT AX = 6300h Return: AH = status BX = timeout in seconds (0-3600) Desc: get the idle timeout value, the interval without keyboard or communications activity before the system shuts down SeeAlso: AX=6301h --------b-156301---------------------------------- INT 15 - HUNTER 16 - SET IDLE TIMEOUT AX = 6301h BX = timeout in seconds (0-3600) Desc: sets the idle timeout value, the interval without keyboard or communications activity before the system shuts down SeeAlso: AX=6300h --------b-1564------------------------------------ INT 15 - HUNTER 16 - CONTROL RESUME MODE AH = 64h AL = new state 00h disable Resume mode 01h enable Resume mode Return: AH = status Desc: turn Resume mode on or off. In Resume mode the system starts in the application that was running when it shut down as if nothing had happened. SeeAlso: AH=67h,AH=68h,AH=69h --------b-1565------------------------------------ INT 15 - HUNTER 16 - AUTHORISE CHARGING AH = 65h AL = charging level 01h charging not allowed 02h charging allowed until power down 03h charging allowed until batteries changed or fail. Ask user if charging is still allowed on next poweron 04h charging allowed indefinitely BX = 0203h CX = 0405h DX = 0607h Return: AH = status SeeAlso: AH=66h,AH=68h --------b-1566------------------------------------ INT 15 - HUNTER 16 - SET BATTERY LEVEL AH = 66h AL = level in percent of maximum (0..100) Return: AH = status SeeAlso: AH=61h,AH=65h --------b-1567------------------------------------ INT 15 - HUNTER 16 - CONTROL STOP MODE AH = 67h AL = mode when waiting for input 00h use STOP mode (allows communication) 01h use HALT mode (disallows communication) Return: AH = status Desc: select the power save mode to use when waiting for input SeeAlso: AH=69h --------b-1568------------------------------------ INT 15 - HUNTER 16 - REQUEST POWER DOWN AH = 68h Desc: turns off the Hunter 16 if power down is allowed (see AH=69h) SeeAlso: AH=69h --------b-1569------------------------------------ INT 15 - HUNTER 16 - CONTROL POWER DOWN AVAILABILITY AH = 69h AL = mode 00h inhibit power down 01h allow power down Return: AH = status SeeAlso: AH=67h,AH=68h,AH=6Ah --------b-156A------------------------------------ INT 15 - HUNTER 16 - CONTROL SLOW MODE AH = 6Ah AL = mode 00h inhibit Slow mode 01h allow Slow mode Return: AH = status SeeAlso: AH=69h --------b-156B------------------------------------ INT 15 - HUNTER 16 - GET ROM BIOS VERSION AH = 6Bh Return: BH = version number (ASCII) BL = release number (ASCII) CH = minor release number (ASCII) CL = minor release number (ASCII) SeeAlso: AH=6Ch --------b-156C------------------------------------ INT 15 - HUNTER 16 - GET SERIAL NUMBER AH = 6Ch Return: BL:CX = BCD serial number Note: when shipped, all Hunter 16s have the same Serial Number, but a different number can be stored (see AH=72h) SeeAlso: AH=6Bh,AH=72h --------b-156D------------------------------------ INT 15 - HUNTER 16 - GET EVENT DETAIL AH = 6Dh Return: AH = 00h if successful CX:BX = event flags bit 0..31 (see below) Note: this function allows testing for events SeeAlso: AH=6Eh,AH=6Fh Bitfields for events: Bit(s) Description 6 RI received 5 RTC Alarm 4 data received on COM2 3 data received on COM1 2 error on COM2 1 error on COM1 0 PWR button pressed --------b-156E------------------------------------ INT 15 - HUNTER 16 - ENABLE/TRAP EVENT AH = 6Eh AL = Software Interrupt 00h do not trap event else trap as software interrupt number AL BH = event number (see AH=6Dh) BL = enable mask 00h disable event 01h enable event Return: AH = 00h if successful SeeAlso: AH=6Dh,AH=6Fh --------b-156F------------------------------------ INT 15 - HUNTER 16 - ACKNOWLEDGE EVENT AH = 6Fh AL = event number (see AH=6Dh) Return: AH = 00h if successful Desc: Acknowledges the event, so the next similar event can be detected SeeAlso: AH=6Dh"HUNTER",AH=6Eh ----------157000----------------------------- INT 15 - Tandy 1000SL/TL - READ FROM EEPROM AX = 7000h BL = number of word to read (00h-3Fh) Return: CF clear if function supported DX = contents of EEPROM word Note: newer Tandy 1000-series machines use EEPROM instead of CMOS RAM in the clock chip to store system configuration information SeeAlso: AX=7001h ----------157001----------------------------- INT 15 - Tandy 1000SL/TL - WRITE TO EEPROM AX = 7001h BL = number of word to read (00h-3Fh) DX = new value for EEPROM word Return: CF clear if function supported Note: the EEPROMs are normally written only by the system setup program; changing the values can badly mess up a Tandy SeeAlso: AX=7000h --------b-1570------------------------------------ INT 15 - HUNTER 16 - CONTROL SOUND AH = 70h AL = new state 00h disable sound else enable sound Note: the Husky Hunter 16 is an 8088-based ruggedized laptop. Other family members are the Husky Hunter, Husky Hunter 16/80, and Husky Hawk. --------b-1571------------------------------------ INT 15 - HUNTER 16 - SELECT POWER UP KEYS AH = 71h BL = column BH = row AL = column switch (00h disable, 01h enable) CL = row switch (00h disable, 01h enable) Return: AH = status SeeAlso: AH=7Bh,AH=88h --------b-157200---------------------------------- INT 15 - HUNTER 16 - RESET SERIAL NUMBER AX = 7200h Return: AH = 00h if successful Desc: reset the serial number to the default serial number present when the Hunter 16 was shipped SeeAlso: AH=6Ch,AH=72h --------b-1572------------------------------------ INT 15 - HUNTER 16 - REDIRECT SERIAL NUMBER AH = 72h AL nonzero DS:BX -> new serial number (6 ASCII digits) Return: AH = 00h if successful Desc: install a new serial number SeeAlso: AH=6Ch,AX=7200h --------b-1573------------------------------------ INT 15 - HUNTER 16 - GET ORACLE GT POWER LEVEL AH = 73h AL = drive (0: A:, 1: B:) Return: AH = status 00h successful FFh Oracle GT drive not connected AL = power level in percent of maximum (0..100) Desc: get the power remaining in the Oracle GT batteries SeeAlso: AH=61h --------b-1574------------------------------------ INT 15 - HUNTER 16 - SET BACKLIGHT POWER UP STATE AH = 74h AL = new level 01h off 02h unchanged 03h change level BL = desired level (00h-7Fh) Return: AH = status Desc: select the backlight level to use when the Hunter is next turned on SeeAlso: AH=64h,AH=75h,INT 10/AH=64h,INT 10/AH=78h --------b-1575------------------------------------ INT 15 - HUNTER 16 - SET CONTRAST POWER UP STATE AH = 75h AL = new level 01h off 02h unchanged 03h change level BL = desired level (00h-7Fh) Return: AH = status Desc: select the LCD contrast level to use when the Hunter is next turned on SeeAlso: AH=63h,AH=74h --------b-1576------------------------------------ INT 15 - HUNTER 16 - CONTROL POWER SAVE AH = 76h BX = power save control (see below) SeeAlso: AH=74h Bitfields for power save control: Bit(s) Description 0 power save enabled 1 inhibit power save when waiting for COM1 data 2 inhibit power save when waiting for COM2 data 3 inhibit power save when waiting for data from barcode wand 4 inhibit power up on timer tick --------b-1579------------------------------------ INT 15 - HUNTER 16 - REDIRECT LPT1 AH = 79h AL = port to which to redirect (00h COM1, 01h COM2) --------b-157A------------------------------------ INT 15 - HUNTER 16 - INVOKE HOT KEY AH = 7Ah Desc: this function has the same effect as pressing the HOT key SeeAlso: AH=7Bh --------b-157B------------------------------------ INT 15 - HUNTER 16 - CONTROL HOT KEY AH = 7Bh AL = 00h prevent HOT key else allow HOT key Desc: Allow or prevent the HOT key function which is used to examine and change the Hunter setup SeeAlso: AH=71h,AH=7Ah,AH=7Ch --------b-157C------------------------------------ INT 15 - HUNTER 16 - CONTROL HOT KEY POWER OPTION AH = 7Ch AL = 00h prevent HOT key power option else allow HOT key power option Desc: allow or prevent changing the power options SeeAlso: AH=7Bh,AH=7Dh --------b-157D------------------------------------ INT 15 - HUNTER 16 - OVERRIDE LOW POWER TURN OFF AH = 7Dh AL = 00h turn off after 10 warnings else never turn off Desc: specify whether the Hunter 16 turns off after 10 low power warnings SeeAlso: AH=7Ch --------b-157E------------------------------------ INT 15 - HUNTER 16 - CONTROL BATTERY CHANGE FACILITIES (APM) AH = 7Eh AL = 00h do not prompt else prompt Desc: select whether the user is prompted for the battery state if the battery cap has been off when the system is turned on SeeAlso: AH=7Fh --------b-157F------------------------------------ INT 15 - HUNTER 16 - SET BATTERY TYPE (APM) AH = 7Fh AL = battery type 00h non-rechargeable else rechargeable SeeAlso: AH=7Eh --------!------------------------------------