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INT 61 - Banyan VINES - ASYNCHRONOUS TERMINAL EMULATION
AX = 0003h
DS:BX -> argument block with function number (see below)
Return: AX = status
0000h successful
000Bh invalid session ID
000Ch session not active
000Dh invalid request type
000Eh invalid parameters
000Fh out of heap space
0010h timeout on send
0011h Banyan communications error
0012h session not waiting for host
0013h session is active
0014h duplicate suspend session request
0015h no session suspended
0016h ring data buffer full
0017h printer error encountered
0018h Banyan communications error
0019h unable to make connection
001Ah no ring buffer specified at startup
001Bh service is down
001Ch invalid service name
001Dh service is closed
001Eh invalid connection name
001Fh max session limit reached for service
0020h access rights list for connection/dialout does not include
this user
0021h service not responding
0022h missing telephone number
Format of argument block:
Offset Size Description
00h BYTE session ID (00h)
01h BYTE asynchronous interface request number
00h initialize user buffer pointer information area
01h send to host
02h "control monitor"
03h "flow control data": freeze/unfreeze display, ring buffer
04h end active session
05h set session parameter
06h get session parameter
07h set tab settings
08h get tab settings
09h refresh emulation screen
0Ah suspend session temporarily
0Bh restore previously suspended session
0Ch set state of scroll lock checking
0Dh exit emulation
0Eh interrupt on character from host
0Fh start a session
10h start/stop printing of data received from host
11h get file transfer parameters
12h get connection information
13h start/stop tracing data traffic in session
14h interrupt on message from host
15h reset error
---request=00h---
02h WORD pointer to info area in caller's current DS
Offset Size Description
00h WORD flags
0000h don't read interface's data buffer
0001h read data buffer
02h DWORD pointer to ring buffer
06h WORD length of ring buffer
08h WORD ring buffer offset to last byte read by caller
0Ah DWORD pointer to WORD containing offset of last byte
in ring buffer filled
0Eh DWORD pointer to screen buffer
12h DWORD pointer to field containing cursor position
16h DWORD pointer to terminal status area (see below)
---request=01h---
02h BYTE type
00h ASCII byte
01h ASCII string
02h terminal function code
03h up arrow
04h down arrow
05h left arrow
06h right arrow
07h break
03h N BYTEs type-specific info
Offset Size Description
---ASCII byte---
03h BYTE byte to send to host
---ASCII string---
03h WORD length of string
05h WORD pointer to string
---terminal function code (VT52/VT100)---
03h BYTE function code
00h keypad 0
01h keypad 1
...
09h keypad 9
0Ah keypad -
0Bh keypad ,
0Ch keypad .
0Dh keypad ENTER
0Eh PF1
0Fh PF2
10h PF3
11h PF4
---terminal function code (IBM3101)---
03h BYTE function code
00h PF1
...
07h PF8
08h Home
---request=02h---
02h BYTE display flag
00h don't display data received from host
01h display data
---request=03h---
02h BYTE flow control flag
00h allow characters to be put into display or ring buffer
01h don't place any more characters into display or ring buffer
---request=05h,06h---
02h BYTE parameter number
00h line speed (00h=any, 01h=50, 02h=110, 03h=134.5, 04h=150,
05h=300,06h=600,07h=1200,08h=2400,09h=4800, 0Ah=9600)
01h parity (00h=none, 01h=odd, 02h=even)
02h duplex (00h=full, 01h=half)
03h character size (00h=7 bits, 01h=8 bits)
04h stop bits (00h=1, 01h=2)
05h XON/XOFF flow control (00h=no, 01h=yes)
07h intercharacter delay in tenths of a second
08h interline delay in tenths of a second
09h auto linefeed (00h=no, 01h=yes)
0Ah filter control characters (00h=no, 01h=yes)
0Bh terminal type (00h=VT100,01h=glassTTY,02h=VT52,03h=IBM3101)
0Ch auto wrap (00h=no, 01h=yes)
0Dh cursor shape (00h=underscore, 01h=block)
0Eh character set (00h=UK, 01h=US ASCII)
0Fh printer port (00h=LPT1, 01h=LPT2, 02h=LPT3)
03h BYTE parameter value (returned for 06h)
---request=07h,08h---
02h WORD pointer to 80-byte buffer in caller's current DS
each byte = 00h if no tab, 01h if tab at that position
---request=0Ah---
02h WORD size of session information to be saved
04h WORD pointer to buffer in caller's DS
---request=0Bh---
02h WORD size of buffer into which session info is restored
04h WORD pointer to buffer in caller's DS
---request=0Ch---
02h BYTE check_scroll_lock flag
00h off
01h on (display of host data stopped while ScrollLock on)
---request=0Eh,14h---
02h DWORD pointer to routine to be called (0000h:0000h = don't call)
06h DWORD stack pointer to use when call is made
---request=0Fh---
02h WORD pointer to information area in caller's current DS
Offset Size Description
00h WORD length of service name
02h WORD pointer to service name in caller's DS
04h BYTE type of connection
(00h=connection name, 01h=dialout)
05h WORD length of connection name/telephone number
07h WORD pointer to connection name/telephone number
---request=10h---
02h WORD print capture flag (00h=off, 01h=on)
---request=11h---
02h WORD pointer to info area in caller's current DS
Offset Size Description
00h BYTE protocol flag (00h none, 01h Kermit)
01h BYTE direction flag (00h send, 01h receive)
02h BYTE length of null-terminated PC filename
03h DWORD pointer to null-terminated PC filename
07h BYTE length of null-terminated host filename
08h DWORD pointer to null-terminated host filename
---request=12h---
02h WORD pointer to info area in caller's current DS (see below)
Offset Size Description
00h WORD length of service name (returned)
02h WORD pointer to 64-byte buffer for service name
04h BYTE type of connection
00h connection name
01h dialout
05h WORD length of connection name/telephone number
07h WORD pointer to 64-byte buffer for name/telno
09h BYTE server line number being used (returned)
---request=13h---
02h BYTE trace flag (00h=off, 01h=on)
Format of terminal status area:
Offset Size Description
00h BYTE status of session: 4Eh=oNline, 46h=oFfline, 57h=Waiting
01h BYTE terminal type (00h=VT100, 01h=TTY, 02h=VT52, 03h=IBM3101)
02h BYTE current keypad mode (VT100,VT52 only)
4Eh ("N") numeric mode
41h ("A") application mode
03h 4 BYTEs current state of LEDs (VT100 only)
00h off
01h on
07h WORD line error count
09h WORD primary error code
0000h no error
0001h unable to make connection
0002h communications error, restart session
0003h async terminal emulation service unavailable
0004h lost carrier
0005h all matching lines busy
0006h no lines defined for connection name
0007h no dial lines available on server
0008h no matching dial lines available
0009h out of heap space
000Ah service error encountered
000Bh timed out waiting to connect
000Ch communications error
000Dh communications error
000Eh host wants file transferred to/from PC
000Fh host software changed session parameter
0010h host software changed tap settings
0011h host software changed LED indicator
0012h host software changed display background (secondary error
code 00h for white on black, 01h for black on white)
0013h host software changed display option (secondary error
code 00h for off, 01h for on)
0014h communications error
0015h communications error
0016h unable to make connection
0017h unable to make connection
0Bh WORD secondary error code
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