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--- back2root:ibm-pc-ms-dos:interrupts:old:ms_interrupt_list-17-20 [2023/01/05 04:01] – supprimée - modification externe (Unknown date) 127.0.0.1
+++ back2root:ibm-pc-ms-dos:interrupts:old:ms_interrupt_list-17-20 [2023/01/05 04:01] (Version actuelle) – créée - modification externe 127.0.0.1
@@ Ligne 1: / Ligne 1: @@
+====== MSDOS - Interrupt List 17h-20h ======
+===== INT 17 =====
+----------17----DX0ABC-----------------------
+INT 17 - PRINTER - LPTx v5.x INSTALLATION CHECK
+	DX = 0ABCh
+Return: AX = AAAAh
+	DX = BAAAh
+	ES = code segment of resident portion
+----------17----DX0B90-----------------------
+INT 17 - PRINTER - LPTx v6.x INSTALLATION CHECK
+	DX = 0B90h
+Return: DX = ABBBh
+	ES = code segment of resident portion
+----------17----DX0B91-----------------------
+INT 17 - PRINTER - LPTx v7.x INSTALLATION CHECK
+	DX = 0B91h
+Return: DX = ABCBh
+	ES = code segment of resident portion
+----------17----DX0F5F-----------------------
+INT 17 - PRINTER - LPTx v4.x INSTALLATION CHECK
+	DX = 0F5Fh
+Return: AX = AAAAh
+	DX = F555h
+	ES = code segment of resident portion
+----------1700-------------------------------
+INT 17 - PRINTER - WRITE CHARACTER
+	AH = 00h
+	AL = character to write
+	DX = printer number (00h-02h)
+Return: AH = printer status
+	    bit 7: not busy
+: acknowledge
+: out of paper
+: selected
+: I/O error
+: unused
+: unused
+: timeout
+SeeAlso: AH=84h"AX",AH=F1h,INT 16/AX=FFE3h,INT 1A/AH=11h"NEC"
+----------1701-------------------------------
+INT 17 - PRINTER - INITIALIZE PORT
+	AH = 01h
+	DX = printer number (00h-02h)
+Return: AH = printer status (see AH=00h)
+SeeAlso: AH=02h,INT 1A/AH=10h"NEC"
+----------1702-------------------------------
+INT 17 - PRINTER - GET STATUS
+	AH = 02h
+	DX = printer number (00h-02h)
+Return: AH = printer status (see AH=00h)
+SeeAlso: AH=01h,AH=F2h,INT 1A/AH=12h"NEC"
+----------1702--DX0000-----------------------
+INT 17 - INSET - INSTALLATION CHECK
+	AH = 02h
+	DX = 0000h
+	CX = 07C3h (1987d)
+Return: CX = 07C2h (1986d) if installed
+Note:	INSET is a text/graphics integration program
+----------1720-------------------------------
+INT 17 - PC Paint Plus 2.0 - PRINTER DRIVER
+	AH = 20h
+	AL = function number
+h installation check
+	    	Return: BX = driver version number (BH=major,BL=minor)
+			CH = ??? (00h)
+			CL = ???
+			DX = ??? (0100h)
+		Note: also enables the remaining functions
+h set ??? flag
+h get information
+	    	CL = subfunction
+h get printer type
+		    	Return: ES:DI -> ASCIZ printer name
+h get paper size
+		    	DX = size index
+			Return: ES:DI -> ASCIZ paper size description
+h get ???
+		    	Return: BX = ???
+h get printer information???
+		    	DX = ???
+			ES:BX -> buffer for ??? (min 134 bytes)
+h ???
+	    	ES:BX -> ???
+h get ???
+	    	Return: ES:DI -> ???
+h advance printer to next page
+	    	Note: also clears flag set by function 01h
+h advance printer to next page and shut down
+	    	Note:	also clears flag set by function 01h and disables
+			  functions other than 00h
+h not implemented, AX returned unchanged
+	BL = printer number???
+Return: AX = status
+h successful
+h invalid printer???
+h ???
+h invalid subfunction
+h driver disabled, must call function 00h first
+h unknown printer error
+Bh printer not selected
+Ch printer out of paper
+Eh error while writing to serial printer
+Fh ???
+h invalid function number
+h value out of range
+----------172400-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - ENABLE/DISABLE API FUNCTIONS
+	AX = 2400h
+	DL = new state
+h disabled
+h enabled
+Return: DL = 24h if installed
+	DH = minor version number
+	CX = network address of this machine
+	AL = status
+h successful
+h timeout
+h header error
+h data error
+h busy
+h invalid parameters
+SeeAlso: AX=2403h,INT 16/AX=4500h
+----------172401-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - RECEIVE BLOCK, NO HANDSHAKE
+	AX = 2401h
+	BL = timeout in clock ticks
+Return: AL = status (see AX=2400h)
+	DX:BX -> receive buffer
+SeeAlso: AX=2402h,AX=2404h,AX=2408h
+----------172402-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - TRANSMIT BLOCK, NO HANDSHAKE
+	AX = 2402h
+	transmit buffer filled (see AX=2403h)
+Return: AL = status (see AX=2400h)
+SeeAlso: AX=2401h,AX=2403h,AX=2404h,AX=2409h
+----------172403-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - GET STATUS AND TRANSMISSION BUFFER
+	AX = 2403h
+Return: AL = status (see AX=2400h)
+	CX = number of characters in receive ring buffer
+	DX:BX -> transmit buffer
+SeeAlso: AX=2400h,AX=2402h
+----------172404-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - SEND ACK BLOCK
+	AX = 2404h
+	BX = target address
+Return: AL = status (see AX=2400h)
+SeeAlso: AX=2402h,AX=2405h
+----------172405-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - SEND NAK BLOCK
+	AX = 2405h
+	BX = target address
+Return: AL = status (see AX=2400h)
+SeeAlso: AX=2402h,AX=2404h
+----------172406-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - PREPARE CHARACTER-ORIENTED RECEIVE
+	AX = 2406h
+Return: AL = status (see AX=2400h)
+SeeAlso: AX=2407h,AX=240Ah
+----------172407-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - RECEIVE CHARACTER FROM REMOTE
+	AX = 2407h
+Return: AL = status (see also AX=2400h)
+h end of data
+	DL = received character
+SeeAlso: AX=2406h
+----------172408-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - RECEIVE BLOCK, WITH HANDSHAKE
+	AX = 2408h
+Return: AL = status (see also AX=2400h)
+h end of data
+	CX = number of bytes in receive buffer
+	DX:SI -> receive buffer
+SeeAlso: AX=2401h,AX=2405h,AX=2409h
+----------172409-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - TRANSMIT COMMAND, WITH HANDSHAKE
+	AX = 2409h
+	BX = target address
+	CX = number of data bytes
+	DL = command code to send
+	DS:SI -> data bytes for command
+Return: AL = status (see also AX=2400h)
+h no response
+h remote currently unable to perform command
+SeeAlso: AX=2405h,AX=2408h
+----------17240A-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - PREPARE CHARACTER-ORIENTED TRANSMIT
+	AX = 240Ah
+Return: AL = status (see AX=2400h)
+SeeAlso: AX=2406h,AX=240Bh,AX=240Ch
+----------17240B-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - TRANSMIT SINGLE CHARACTER TO REMOTE
+	AX = 240Bh
+	DL = character to send
+Return: AL = status (see also AX=2400h)
+h transmission error
+h write error
+SeeAlso: AX=2407h,AX=240Ah,AX=240Ch
+----------17240C-----------------------------
+INT 17 - Shamrock Software NET.24 v3.11+ - END CHARACTER-ORIENTED TRANSMIT
+	AX = 240Ch
+Return: AL = status (see also AX=2400h)
+h transmission error
+h remote breaks connection
+SeeAlso: AX=240Ah,AX=240Bh
+----------175000-----------------------------
+INT 17 - AX (Japanese AT) PRINTER - SET PRINTER COUNTRY CODE
+	AX = 5000h
+	BX = country code
+h USA (English), 0051h Japan
+Return: AL = status
+h successful
+h bad country code
+h other error
+SeeAlso: AX=5001h,AH=51h,INT 10/AX=5000h,INT 16/AX=5000h
+----------175001-----------------------------
+INT 17 - AX (Japanese AT) PRINTER - GET PRINTER COUNTRY CODE
+	AX = 5001h
+Return: AL = status
+h successful
+	    	BX = country code
+h error
+SeeAlso: AX=5000h,AH=51h,INT 10/AX=5001h,INT 16/AX=5001h
+----------1751-------------------------------
+INT 17 - AX (Japanese AT) PRINTER - JIS to Shift-JIS CONVERSION
+	AH = 51h
+	DX = 2-byte JIS code
+Return: DX = shift-JIS value or 0000h on error
+Note:	one of AH=51h and AH=52h converts from JIS (Japanese Industry Standard)
+	  characters to Shift-JIS characters, and the other performs the
+	  opposite conversion
+SeeAlso: AX=5000h,AH=52h
+----------1752-------------------------------
+INT 17 - AX (Japanese AT) PRINTER - Shift-JIS to JIS CONVERSION
+	AH = 52h
+	DX = 2-byte shift-JIS code
+Return: DX = JIS code or 0000h on error
+Note:	one of AH=51h and AH=52h converts from JIS (Japanese Industry Standard)
+	  characters to Shift-JIS characters, and the other performs the
+	  opposite conversion
+SeeAlso: AH=51h
+----------1760-------------------------------
+INT 17 - FLASHUP.COM - INSTALLATION CHECK
+	AH = 60h
+Return: AL = 60h
+	DX = CS of resident code
+Notes:	FLASHUP.COM is part of Flash-Up Windows by The Software Bottling Co.
+	FLASHUP also hooks INT 10 and receives commands via INT 10/AH=09h,0Ah
+	  consisting of an 80h followed by the actual command
+SeeAlso: INT 10/AH=09h,INT 10/AH=0Ah
+----------1761-------------------------------
+INT 17 - SPEEDSCR.COM - INSTALLATION CHECK
+	AH = 61h
+Return: AL = 61h
+	DX = CS of resident code
+Note:	SPEEDSCR.COM is by The Software Bottling Co.
+----------1781-------------------------------
+INT 17 - Alloy NTNX, MW386 - CANCEL JOBS FOR CURRENT USER
+	AH = 81h
+	AL = 00h (NTNX compatibility mode)
+	CL = number of jobs to cancel
+Return: AL = status
+h success
+h..7Fh warning
+h general failure
+h host overloaded (NTNX only)
+h module busy (NTNX only)
+h host busy (NTNX only)
+h re-entry flag set
+h invalid request
+h invalid printer
+h invalid process ID
+h access denied
+Ah option not available for given port type
+Bh option not available for given task type
+h printer busy
+	    C2h file not found
+	    C3h path not found
+	    C4h file access failure
+Note:	cancels the last CL printouts for the current task
+SeeAlso: AH=82h
+----------1782-------------------------------
+INT 17 - Alloy NTNX, MW386 - CANCEL ALL JOBS FOR CURRENT USER
+	AH = 82h
+	AL = 00h (NTNX compatibility mode)
+Return: AL = status (see AH=81h)
+SeeAlso: AH=81h
+----------1783-------------------------------
+INT 17 - Alloy NTNX, MW386 - SET NUMBER OF COPIES
+	AH = 83h
+	AL = mode
+h NTNX compatibility
+		CL = number of copies (max 99, default 1)
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+		CX = number of copies
+Return: AL = status (see AH=81h)
+Note:	in NTNX compatibility mode, this function only affects LPT1
+----------1784-------------------------------
+INT 17 - Alloy NTNX, MW386 - GENERATE PRINT BREAK
+	AH = 84h
+	AL = mode
+h NTNX compatibility
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+Note:	closes spool file and tells spooler to queue the print job (LPT1 only
+	  under MW386 in NTNX compatibility mode)
+----------1784-------------------------------
+INT 17 - AX (Japanese AT) PRINTER - OUTPUT CHARACTER WITHOUT CONVERSION
+	AH = 84h
+	AL = character
+	DX = printer number
+Return: AH = printer status (see AH=00h)
+SeeAlso: AH=00h,AH=85h
+----------1785-------------------------------
+INT 17 - AX (Japanese AT) PRINTER - ENABLE/DISABLE CHARACTER CONVERSION
+	AH = 85h
+	AL = new state (00h enabled, 01h disabled)
+SeeAlso: AH=84h"AX"
+----------1787-------------------------------
+INT 17 - Alloy NTNX - SET INDOS POINTER
+	AH = 87h
+	AL = 00h
+	CX:BX -> buffer for user-written printer drivers
+Return: BX,CX destroyed
+Note:	must be executed before the printer is enabled
+SeeAlso: AH=8Ah
+----------1788-------------------------------
+INT 17 - Alloy NTNX, MW386 - REMOVE PRINTER FROM SPOOLER
+	AH = 88h
+	AL = mode
+h NTNX compatibility
+		DX = NTNX printer number
+h host LPT1
+h host LPT2
+h host LPT3
+h host LPT4
+h host COM1
+h host COM2
+h user's logical COM2
+h user's terminal AUX port
+h user's logical COM1 (MW386 only)
+h MW386
+		DX = MW386 printer number
+Return: AH = status (see AH=81h)
+Note:	removes specified printer from the spooler's list of printers
+SeeAlso: AH=89h,AH=8Bh
+----------1789-------------------------------
+INT 17 - Alloy NTNX, MW386 - ADD PRINTER TO SPOOLER
+	AH = 89h
+	AL = mode
+h NTNX compatibility
+		DX = NTNX printer number (see AH=88h)
+h MW386
+		DX = MW386 printer number
+Return: AL = status (see AH=81h)
+Note:	the specified printer is added to the spooler's list of available
+	  printers
+SeeAlso: AH=88h,AH=8Bh
+----------178A-------------------------------
+INT 17 - Alloy NTNX - ACTIVATE USER-WRITTEN PRINTER DRIVER
+	AH = 8Ah
+	???
+SeeAlso: AH=92h
+----------178B-------------------------------
+INT 17 - Alloy MW386 - GET PHYSICAL DEVICE NUMBER FROM NAME
+	AH = 8Bh
+	DS:DX -> ASCIZ printer name
+Return: AL = status (see also AH=81h)
+h successful
+		DX = physical device number
+SeeAlso: AH=89h,AH=8Ch,INT 14/AH=20h"Alloy"
+----------178C-------------------------------
+INT 17 - Alloy MW386 - GET DEVICE NAME FROM PHYSICAL DEVICE NUMBER
+	AH = 8Ch
+	DX = physical device number
+	ES:DI -> 17-byte buffer for ASCIZ device name
+Return: AL = status (see also AH=81h)
+h successful
+		ES:DI buffer filled
+SeeAlso: AH=88h,AH=8Bh
+----------178D-------------------------------
+INT 17 - Alloy NTNX,MW386 - RESET SPOOLER
+	AH = 8Dh
+	AL = 00h
+Notes:	clears all buffers and resets spooler to boot-up values
+	MW386 supports this function for compatibility only; it is a NOP
+Return: AL = status (see AH=81h)
+----------178E-------------------------------
+INT 17 - Alloy NTNX - GET INT 28 ENTRY POINT
+	AH = 8Eh
+	AL = 00h
+Return: CX:BX -> INT 28 entry point
+SeeAlso: AH=8Fh
+----------178F-------------------------------
+INT 17 - Alloy NTNX - GET DOS INTERCEPT ENTRY POINT
+	AH = 8Fh
+	AL = 00h
+Return: CX:BX -> DOS intercept routine
+SeeAlso: AH=8Eh
+----------1790-------------------------------
+INT 17 - Alloy NTNX, MW386 - SPOOL FILE BY NAME
+	AH = 90h
+	AL = mode
+h NTNX compatibility
+		DL = printer code (FFh=current) (NTNX, MW386 v1.x only)
+		DH = number of copies (FFh=current) (NTNX, MW386 v1.x only)
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+	CX:SI -> ASCIZ pathname
+Return: AL = status (see AH=81h)
+Note:	in mode 00h, the file is always sent to logical LPT1
+SeeAlso: AH=A0h
+----------1791-------------------------------
+INT 17 - Alloy NTNX, MW386 - GET USER NUMBER AND CURRENT PRINTER
+	AH = 91h
+	AL = mode
+h NTNX compatibility
+		Return: CX = user number (00h = host)
+			DX = currently selected printer number (00h-08h)
+h MW386
+		Return: CX = user number
+			DX = physical dev number of currently selected printer
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+		Return: CX = user number
+			DX = physical device number
+Return: AL = status (see AH=81h)
+SeeAlso: AH=8Ch
+----------1792-------------------------------
+INT 17 - Alloy NTNX - CHECK PRINTER DRIVER
+	AH = 92h
+	AL = 00h
+	CL = 00h
+Return: CL = driver state
+h initialized
+h not initialized
+	AX = status (see AH=81h)
+SeeAlso: AH=8Ah
+----------1794-------------------------------
+INT 17 - Alloy NTNX, MW386 - SELECT PRINTER
+	AH = 94h
+	AL = mode
+h NTNX compatibility
+		DX = NTNX printer number (see AH=88h)
+h MW386
+		DX = MW386 printer number
+h MW386 v2+
+		BX = logical printer number
+		DX = MW386 printer number
+Return: AL = status (see AH=81h)
+Note:	modes 00h and 01h affect only logical LPT1
+SeeAlso: AH=8Bh,AH=95h
+----------1795-------------------------------
+INT 17 - Alloy NTNX, MW386 - GET CURRENT PRINTER
+	AH = 95h
+	AL = mode
+h NTNX compatibility
+		Return: DX = NTNX printer number (see AH=88h)
+			    (FFFFh if current printer not compatible with NTNX)
+h MW386
+		Return: DX = MW386 printer number
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+		Return: DX = MW386 printer number (FFFFh = none)
+Return: AL = status (see AH=81h)
+Note:	modes 00h and 01h return the printer number of logical LPT1 only
+SeeAlso: AH=94h
+----------1796-------------------------------
+INT 17 - Alloy NTNX - SET SERIAL PORT PARAMETERS
+	AH = 96h
+	AL = 00h
+Note:	documentation states that this is a NOP, doing only XOR AX,AX before
+	  returning
+SeeAlso: INT 14/AH=24h
+----------1797-------------------------------
+INT 17 - Alloy NTNX, MW386 - SET DATA DRIVEN PRINT BREAK
+	AH = 97h
+	AL = mode
+h NTNX compatibility
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+	CH,CL,DH = three character break sequence
+	DL = subfunction
+h set break string
+	    else reset break
+Return: AL = status (see AH=81h)
+Notes:	mode 00h affects only logical LPT1
+	when the break string is encountered, the spool file will be closed and
+	  queued for printing automatically
+	the break string is not permanently saved, and will be reset each time
+	  MW386 or the user is rebooted
+SeeAlso: AH=9Bh
+----------1798-------------------------------
+INT 17 - Alloy NTNX,MW386 - RESTART PRINTER
+	AH = 98h
+	AL = 00h
+	DL = printer number (FFh=current)
+Return: AL = status
+h successful
+h incorrect printer
+h task not found
+Note:	MW386 supports this function for compatibility only; it is a NOP
+----------1799-------------------------------
+INT 17 - Alloy NTNX, MW386 - GET/SET PRINTER MODE
+	AH = 99h
+	AL = mode
+h NTNX compatibility
+		DL = NTNX printer number (see AH=88h)
+			(FFh = task's current logical LPT1)
+		DH = mode
+		    bit 0: get mode if 1, set mode if 0
+: private ("attached")
+: direct instead of spooled
+-7 reserved (0)
+h MW386
+		DX = MW386 printer number
+		CL = mode (as for DH above)
+Return: AL = status (see AH=81h)
+	DH = mode (bits 1 and 2 set as above)
+	DL = printer owner's user number if not spooled
+----------179A-------------------------------
+INT 17 - Alloy NTNX,MW386 - SET TAB EXPANSION
+	AH = 9Ah
+	AL = mode
+h NTNX compatibility
+		DX = NTNX printer number (see AH=88h)
+			(FFFFh = current logical LPT1)
+h MW386
+		DX = MW386 printer number
+	CL = tab length (00h = no expansion, 01h-63h = spaces per tab)
+Return: AL = status (see AH=81h)
+Note:	beginning with MW386 v2.0, tab expansion is set on a per-printer basis
+	  rather than a per-user basis; NTNX and MW386 v1.x ignore DX
+SeeAlso: AH=A4h
+----------179B-------------------------------
+INT 17 - Alloy NTNX,MW386 - SET PRINT BREAK TIMEOUT
+	AH = 9Bh
+	AL = mode
+h NTNX compatibility
+		CX = timeout value in clock ticks (1/18 sec) (00h = never)
+h MW386
+		CX = timeout value in seconds (00h = never)
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+		CX = timeout value in seconds (00h = never)
+Return: AL = status (see AH=81h)
+Notes:	modes 00h and 01h affect only the current logical LPT1
+	if no data is sent to a printer for the specified amount of time, the
+	  spool file will be closed and queued for printing automatically
+SeeAlso: AH=97h
+----------17A0-------------------------------
+INT 17 - Alloy MW386 - SPOOL COPY OF FILE
+	AH = A0h
+	AL = mode
+h NTNX compatibility
+		DX = ??? (NTNX, MW386 v1.x only)
+h MW386 v2+
+		BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+	CX:SI -> ASCIZ pathname
+Return: AL = status (see AH=81h)
+Notes:	makes a copy of the specified file in the spooler's directory, allowing
+	  the original file to be modified or deleted while the copy is printed
+	in mode 00h, the file is printed on logical LPT1
+SeeAlso: AH=90h
+----------17A4-------------------------------
+INT 17 - Alloy MW386 - ENABLE/DISABLE FORM FEED
+	AH = A4h
+	AL = new state
+h form feed after end of print job disabled
+h form feed enabled
+Return: AL = status (see AH=81h)
+Note:	only affects the current logical LPT1
+SeeAlso: AH=9Ah,AH=A6h,INT 7F/AH=05h"NTNX (Host)"
+----------17A6-------------------------------
+INT 17 - Alloy MW386 - ENABLE/DISABLE BANNER PAGE
+	AH = A6h
+	AL = new state
+h banner page before print job disabled
+h banner page enabled
+Return: AL = status (see AH=81h)
+Note:	only affects the current logical LPT1
+SeeAlso: AH=A4h
+----------17A7-------------------------------
+INT 17 - Alloy MW386 v2+ - GET/SET SPOOL FLAGS
+	AH = A7h
+	AL = spool flags
+	    bit 0: banner page enabled (see AH=A4h)
+: form feed enabled (see AH=A6h)
+-6: reserved (0)
+: set flags if 1, get flags if 0
+	BX = logical device number
+h-03h = LPT1-LPT4
+h-07h = COM1-COM4
+Return: AL = status (see AH=81h)
+Note:	the documentation does not state which register contains the result of
+	  a GET
+SeeAlso: AH=A4h,AH=A6h
+----------17A8-------------------------------
+INT 17 - Alloy MW386 - DEFINE TEMPORARY FILENAME
+	AH = A8h
+	CX:SI -> ASCIZ filename without extension (max 8 chars)
+Return: AL = status (see AH=81h)
+Note:	allows application to specify banner page filename for spool files
+	  collected from the application's printer output
+SeeAlso: AH=A9h
+----------17A9-------------------------------
+INT 17 - Alloy MW386 - CHANGE TEMPORARY SPOOL DRIVE
+	AH = A9h
+	AL = new spool drive (2=C:,3=D:,etc)
+Return: AL = status (see AH=81h)
+Note:	does not remove previous spooling directory since jobs may be pending
+SeeAlso: AH=A8h
+----------17AA-------------------------------
+INT 17 - Alloy MW386 v2+ - GET REAL-TIME PRINTER STATUS
+	AH = AAh
+	AL = mode
+h NTNX
+		DX = NTNX printer number (see AH=88h)
+h MW386
+		DX = MW386 printer number
+Return: AH = instantaneous printer status
+h printer ready
+h not ready
+h off line
+h out of paper
+h general device failure
+h device timeout
+h bad device number
+----------17AF-------------------------------
+INT 17 - Alloy MW386 - CHECK SPOOLER
+	AH = AFh
+Return: AX = 55AAh if spooler available
+----------17C0-------------------------------
+INT 17 - PC Magazine PCSpool - GET CONTROL BLOCK ADDRESS
+	AH = C0h
+	DX = printer port (0-3)
+Return: ES:BX -> control block (see below)
+SeeAlso: AH=C1h
+Format of control block:
+Offset	Size	Description
+h	WORD	printer number
+h	WORD	address of printer status port
+h	WORD	number of first record in queue
+h	WORD	number of last record in queue
+h	DWORD	characters already printed
+Ch	DWORD	number of characters remaining
+h	DWORD	pointer to dequeue buffer
+h	DWORD	previous count of characters printed
+h	DWORD	number of clock ticks taken to print them
+Ch	WORD	offset of next character to output
+Eh	WORD	offset of next character to print
+h	WORD	pointer to spooling queue record
+h	BYTE	current spooling status
+h	BYTE	current printer status:
+h OK
+h not ready
+h paused with message
+h paused
+h initializing
+		FEh non-existent port
+		FFh not spooled
+h	BYTE	current control record type
+h	WORD	observed printer speed
+h	WORD	characters to print per service
+h	BYTE	01h if disk write needed
+Ah	BYTE	01h if queued data should be flushed
+Bh	BYTE	01h to update cps status
+----------17C1--------------------------------
+INT 17 - PC Magazine PCSpool - BUILD PAUSE CONTROL RECORD
+	AH = C1h
+	DX = printer port (0-3)
+	DS:SI -> ASCIIZ string to save for display
+Note:	flushes pending writes
+SeeAlso: AH=C0h,AH=C2h
+----------17C2-------------------------------
+INT 17 - PC Magazine PCSpool - FLUSH PENDING WRITES
+	AH = C2h
+	DX = printer port (0-3)
+SeeAlso: AH=C3h
+----------17C3-------------------------------
+INT 17 - PC Magazine PCSpool - CANCEL PRINTER QUEUE (FLUSH ALL QUEUED OUTPUT)
+	AH = C3h
+	DX = printer port (0-3)
+SeeAlso: AH=C2h,AH=C7h
+----------17C4-------------------------------
+INT 17 - PC Magazine PCSpool - QUERY SPOOLER ACTIVE
+	AH = C4h
+Return: DI = B0BFh
+	SI = segment
+----------17C5-------------------------------
+INT 17 - PC Magazine PCSpool - JOB SKIP PRINTER QUEUE
+	AH = C5h
+	DX = printer port (0-3)
+Note:	cancels up to the pause record
+----------17C6-------------------------------
+INT 17 - PC Magazine PCSpool - CHECK PRINTER QUEUE STATUS
+	AH = C6h
+	DX = printer port (0-3)
+Return: AX = 0 printer not active or at pause
+	   = 1 printer busy
+----------17C7-------------------------------
+INT 17 - PC Magazine PCSpool - CLOSE QUEUE
+	AH = C7h
+	DX = printer port (0-3)
+SeeAlso: AH=C3h
+----------17CD00-----------------------------
+INT 17 - INSET - EXECUTE COMMAND STRING
+	AX = CD00h
+	DS:DX -> ASCIZ command string (max 80 bytes)
+Return: CX = 07C2h (1986d)
+Note:	user interface menus pop up after last command, unless that command
+	exits INSET
+----------17CD01-----------------------------
+INT 17 - INSET - GET IMAGE SIZE
+	AX = CD01h
+	DS:DX -> ASCIZ name of image file
+Return: AX = height in 1/720th inch
+	BX = width in 1/720th inch
+	CX = 07C2h (1986d)
+----------17CD02-----------------------------
+INT 17 - INSET - INITIALIZE
+	AX = CD02h
+Return: CX = 07C2h (1986d)
+Note:	all open files are closed and the printer is reset
+SeeAlso: AX=CD04h
+----------17CD03-----------------------------
+INT 17 - INSET - EXECUTE INSET MENU WITHIN OVERRIDE MODE
+	AX = CD03h
+Return: CX = 07C2h (1986d)
+----------17CD04-----------------------------
+INT 17 - INSET - INITIALIZE LINKED MODE
+	AX = CD04h
+	ES:SI -> FAR routine for linked mode
+Return: CX = 07C2h
+Note:	calling sequence for linked-mode routine
+	AL = 00h send character in BL to printer
+	   = 01h send CX bytes from DS:DX to printer
+	   = 02h move print head to horizontal starting position of image
+	return code for linked-mode routine:
+	AX = 0000h success
+	   = 0001h failure
+SeeAlso: AX=CD02h,AX=CD08h
+----------17CD05-----------------------------
+INT 17 - INSET - START MERGING IMAGE INTO TEXT
+	AX = CD05h
+	DS:DX -> ASCIZ name of PIX file
+	CX = left margin of text in 1/720th inch
+Return: AH = printer type
+h page-oriented (multiple images may be placed side-by-side)
+h line-oriented (use AX=CD06h for vertical paper movement)
+	CX = 07C2h (1986d)
+SeeAlso: AX=CD07h
+----------17CD06-----------------------------
+INT 17 - INSET - GRAPHICS LINE FEED
+	AX = CD06h
+Return: AH = completion status
+h image complete
+h image incomplete
+	CX = 07C2h (1986d)
+SeeAlso: AX=CD09h
+----------17CD07-----------------------------
+INT 17 - INSET - FLUSH GRAPHICS FROM MERGE BUFFER
+	AX = CD07h
+Return: CX = 07C2h
+SeeAlso: AX=CD05h
+----------17CD08-----------------------------
+INT 17 - INSET - CANCEL LINK MODE
+	AX = CD08h
+Return: CX = 07C2h
+SeeAlso: AX=CD04h
+----------17CD09-----------------------------
+INT 17 - INSET - ALTER TEXT LINE SPACING
+	AX = CD09h
+	CX = line spacing in 1/720th inch
+Return: CX = 07C2h
+Note:	not yet implemented, line spacing is currently fixed at 1/6 inch
+SeeAlso: AX=CD06h
+----------17CD0A-----------------------------
+INT 17 - INSET - GET SETUP
+	AX = CD0Ah
+	DS:DX -> buffer for IN.SET data
+Return: CX = 07C2h
+----------17CD0B-----------------------------
+INT 17 - INSET - START GETTING SCALED IMAGE
+	AX = CD0Bh
+	DS:SI -> ASCIZ pathname of .PIX file
+	BX = number of bitplanes
+	CX = number of rows in output bitmap
+	DX = number of columns in output bitmap
+Return: AX = status
+h OK
+	    FFFFh error
+Note:	image is returned in strips by repeated calls to AX=CD0Ch
+----------17CD0C-----------------------------
+INT 17 - INSET - GET NEXT IMAGE STRIP
+	AX = CD0Ch
+Return:	AX = status
+h OK but not complete
+h OK and image complete
+	    FFFFh error
+	DS:SI -> buffer (max 4K) for bit map strip
+	CX = start row
+	DX = number of rows
+	BX = offset in bytes between bit planes
+Note:	buffer may be overwritten by subsequent calls
+SeeAlso: AX=CD0Bh
+----------17F0-------------------------------
+INT 17 - NorthNet Jetstream API - INSTALLATION CHECK
+	AH = F0h
+	DX = printer port (0-3)
+Return: AX = 0001h Jetstream present
+	     else  non-Jetstream port
+Note:	NorthNet Jetstream is a high-performance DMA-driven parallel card able
+	  to drive printers at up to 80000 characters per second
+----------17F1-------------------------------
+INT 17 - NorthNet Jetstream API - PRINT DATA BUFFER
+	AH = F1h
+	CX = data buffer length
+	DX = printer port (0-3)
+	DS:SI -> data buffer
+Return: AX = status
+h printer not ready (see also AH=02h)
+	    other printing started
+SeeAlso: AH=00h,AH=F2h,AH=F3h,AH=F5h
+----------17F2-------------------------------
+INT 17 - NorthNet Jetstream API - GET PRINT PROGRESS STATUS
+	AH = F2h
+	DX = printer port (0-3)
+Return: AX = status
+h prior print request finished
+	    other number of characters left to print
+SeeAlso: AH=02h,AH=F1h,AH=F3h
+----------17F3-------------------------------
+INT 17 - NorthNet Jetstream API - ABORT PRINT OPERATION
+	AH = F3h
+	DX = printer port (0-3)
+Return: AX = number of unprinted characters due to abort
+SeeAlso: AH=F1h,AH=F4h
+----------17F4-------------------------------
+INT 17 - NorthNet Jetstream API - SET COMPLETION (POST) ADDRESS
+	AH = F4h
+	DX = printer port (0-3)
+	DS:DS -> FAR post address (called with interrupts on)
+SeeAlso: AH=F1h,AH=F3h
+----------17F5-------------------------------
+INT 17 - NorthNet Jetstream API - PRINT DATA BUFFER FROM EXTENDED MEMORY
+	AH = F5h
+	CX = data buffer length
+	DX = printer port (0-3)
+	DS:SI -> data buffer (32-bit physical address)
+Return: AX = status
+h printer not ready (see also AH=02h)
+	    other printing started
+SeeAlso: AH=F1h
+===== INT 18 =====
+----------18---------------------------------
+INT 18 - START CASSETTE BASIC
+Note:	only PCs produced by IBM contain BASIC in ROM, so the action is
+	  unpredicatable on compatibles; this interrupt often reboots the
+	  system, and often has no effect at all
+SeeAlso: INT 86"NetBIOS"
+----------1800-------------------------------
+INT 18 - NEC PC-9800 series - KEYBOARD - GET KEYSTROKE
+	AH = 00h
+Return: AX = keystroke
+SeeAlso: AH=01h,AH=02h,INT 16/AH=00h
+----------1801-------------------------------
+INT 18 - NEC PC-9800 series - KEYBOARD - CHECK FOR KEYSTROKE
+	AH = 01h
+Return: ZF set if no keystroke available
+	ZF clear if keystroke available
+	    AX = keystroke
+SeeAlso: AH=00h,AH=02h,INT 16/AH=01h
+----------1802-------------------------------
+INT 18 - NEC PC-9800 series - KEYBOARD - GET SHIFT STATUS
+	AH = 02h
+Return: AL = shift flags
+SeeAlso: AH=00h,AH=02h,AH=03h,AH=04h,INT 16/AH=02h
+----------18---------------------------------
+INT 18 - NEC PC-9800 series - KEYBOARD
+	AH = function
+h initialize keyboard
+h key pressed
+	???
+Return: ???
+Note:	details are not available at this time
+SeeAlso: INT 16/AH=00h,INT 16/AH=01h,INT 16/AH=02h
+----------18---------------------------------
+INT 18 - NEC PC-9800 series - VIDEO
+	AH = function
+Ah set video mode
+Bh get video mode
+Ch start text screen display
+Dh end text screen display
+Eh set single display area
+Fh set multiple display area
+h set cursor shape
+h display cursor
+h terminate cursor
+h set cursor position
+h read font patter
+h initialize text video RAM
+Ah define user character
+	???
+Return: ???
+Notes:	details are not available at this time
+	text video RAM is located at segments A000h (characters) and A200h
+	  (attributes)
+===== INT 19 =====
+----------19---------------------------------
+INT 19 - SYSTEM - BOOTSTRAP LOADER
+   Reboot the system without clearing memory or restoring interrupt vectors.
+   Because interrupt vectors are preserved, this interrupt usually causes a
+   system hang if any TSRs have hooked vectors from 00h through 1Ch,
+   particularly INT 08.
+   Usually, the BIOS will try to read sector 1, head 0, track 0 from drive A:
+   to 0000h:7C00h.  If this fails, and a hard disk is installed, the BIOS will
+   read sector 1, head 0, track 0 of the first hard disk.  This sector should
+   contain a master bootstrap loader and a partition table.  After loading the
+   master boot sector at 0000h:7C00h, the master bootstrap loader is given
+   control.  It will scan the partition table for an active partition, and will
+   then load the operating system's bootstrap loader (contained in the first
+   sector of the active partition) and give it control.
+   True IBM PCs issue an INT 18 if neither floppy nor hard disk have a valid
+   boot sector.
+Notes:	to accomplish a warm boot equivalent to Ctrl-Alt-Del, store 1234h in
+h:0072h and jump to FFFFh:0000h.	For a cold boot equivalent to
+	  a reset, store 0000h at 0040h:0072h before jumping.
+	VDISK.SYS hooks this interrupt to allow applications to find out how
+	  much extended memory has been used by VDISKs (see below).  DOS 3.3+
+	  PRINT hooks INT 19 but does not set up a correct VDISK header block
+	  at the beginning of its INT 19 handler segment, thus causing some
+	  programs to overwrite extended memory which is already in use.
+	default handler is at F000h:E6F2h for 100% compatible BIOSes
+SeeAlso: INT 14/AH=17h,INT 18
+Format of VDISK header block (at beginning of INT 19 handler's segment):
+Offset	Size	Description
+h 18 BYTEs	n/a (for VDISK.SYS, the device driver header)
+h 11 BYTEs	signature string "VDISK  Vn.m" for VDISK.SYS version n.m
+Dh 15 BYTEs	n/a
+Ch  3 BYTEs	linear address of first byte of available extended memory
+Format of hard disk master boot sector:
+Offset	Size	Description
+h 446 BYTEs	Master bootstrap loader code
+BEh 16 BYTEs	partition record for partition 1 (see below)
+CEh 16 BYTEs	partition record for partition 2
+DEh 16 BYTEs	partition record for partition 3
+EEh 16 BYTEs	partition record for partition 4
+FEh	WORD	signature, AA55h indicates valid boot block
+Format of partition record:
+Offset	Size	Description
+h	BYTE	boot indicator (80h = active partition)
+h	BYTE	partition start head
+h	BYTE	partition start sector (bits 0-5)
+h	BYTE	partition start track (bits 8,9 in bits 6,7 of sector)
+h	BYTE	operating system indicator (see below)
+h	BYTE	partition end head
+h	BYTE	partition end sector (bits 0-5)
+h	BYTE	partition end track (bits 8,9 in bits 6,7 of sector)
+h	DWORD	sectors preceding partition
+Ch	DWORD	length of partition in sectors
+Values for operating system indicator:
+h empty
+h DOS 12-bit FAT
+h XENIX root file system
+h XENIX /usr file system (obsolete)
+h DOS 16-bit FAT
+h DOS 3.3+ extended partition
+h DOS 3.31+ Large File System
+h QNX
+h OS/2 HPFS
+h Advanced Unix
+h AIX bootable partition, SplitDrive
+h AIX data partition
+h Coherent
+Ah OPUS
+h OPUS
+h VENIX 80286
+h Disk Manager, read-only partition
+h Novell???
+h Disk Manager, read/write partition
+h CP/M
+h Microport System V/386
+h GoldenBow VFeature
+h SpeedStor
+h Unix SysV/386, 386/ix
+h Mach, MtXinu BSD 4.3 on Mach
+h GNU HURD
+h Novell NetWare
+h PC/IX
+h Minix v1.1 - 1.4a
+h Minix v1.4b+
+h Linux
+h Linux Swap partition (planned)
+h Amoeba file system
+h Amoeba bad block table
+ B7h BSDI file system (secondarily swap)
+ B8h BSDI swap partition (secondarily file system)
+ C6h DR-DOS 6.0 LOGIN.EXE-secured partition
+ DBh CP/M, Concurrent CP/M, Concurrent DOS
+ DBh CTOS (Convergent Technologies OS)
+ E1h SpeedStor 12-bit FAT extended partition
+ E4h SpeedStor 16-bit FAT extended partition
+ F2h DOS 3.3+ secondary
+ FEh LANstep
+ FFh Xenix bad block table
+===== INT 1A =====
+----------1A00-------------------------------
+INT 1A - TIME - GET SYSTEM TIME
+	AH = 00h
+Return: CX:DX = number of clock ticks since midnight
+	AL = midnight flag, nonzero if midnight passed since time last read
+Notes:	there are approximately 18.2 clock ticks per second, 1800B0h per 24 hrs
+	IBM and many clone BIOSes set the flag for AL rather than incrementing
+	  it, leading to loss of a day if two consecutive midnights pass
+	  without a request for the time (e.g. if the system is on but idle)
+SeeAlso: AH=01h,AH=02h,INT 21/AH=2Ch
+----------1A01-------------------------------
+INT 1A - TIME - SET SYSTEM TIME
+	AH = 01h
+	CX:DX = number of clock ticks since midnight
+SeeAlso: AH=00h,AH=03h,INT 21/AH=2Dh
+----------1A02-------------------------------
+INT 1A - TIME - GET REAL-TIME CLOCK TIME (AT,XT286,PS)
+	AH = 02h
+Return: CF clear if successful
+	    CH = hour (BCD)
+	    CL = minutes (BCD)
+	    DH = seconds (BCD)
+	    DL = daylight savings flag (00h standard time, 01h daylight time)
+	CF set on error (i.e. clock not running or in middle of update)
+SeeAlso: AH=00h
+----------1A03-------------------------------
+INT 1A - TIME - SET REAL-TIME CLOCK TIME (AT,XT286,PS)
+	AH = 03h
+	CH = hour (BCD)
+	CL = minutes (BCD)
+	DH = seconds (BCD)
+	DL = daylight savings flag (00h standard time, 01h daylight time)
+SeeAlso: AH=01h
+----------1A04-------------------------------
+INT 1A - TIME - GET REAL-TIME CLOCK DATE (AT,XT286,PS)
+	AH = 04h
+Return: CF clear if successful
+	    CH = century (BCD)
+	    CL = year (BCD)
+	    DH = month (BCD)
+	    DL = day (BCD)
+	CF set on error
+SeeAlso: AH=02h,AH=05h,INT 21/AH=2Ah
+----------1A05-------------------------------
+INT 1A - TIME - SET REAL-TIME CLOCK DATE (AT,XT286,PS)
+	AH = 05h
+	CH = century (BCD)
+	CL = year (BCD)
+	DH = month (BCD)
+	DL = day (BCD)
+SeeAlso: AH=04h,INT 21/AH=2Bh
+----------1A06-------------------------------
+INT 1A - TIME - SET ALARM (AT,XT286,PS)
+	AH = 06h
+	CH = hour (BCD)
+	CL = minutes (BCD)
+	DH = seconds (BCD)
+Return: CF set on error (alarm already set or clock stopped for update)
+	CF clear if successful
+Note:	the alarm occurs every 24 hours until turned off, invoking INT 4A each
+	  time
+SeeAlso: AH=07h,INT 4A
+----------1A07-------------------------------
+INT 1A - TIME - CANCEL ALARM (AT,XT286,PS)
+	AH = 07h
+Return: alarm disabled
+Note:	does not disable the real-time clock's IRQ
+SeeAlso: AH=06h,INT 70
+----------1A08-------------------------------
+INT 1A - TIME - SET RTC ACTIVATED POWER ON MODE (CONVERTIBLE)
+	AH = 08h
+	CH = hours in BCD
+	CL = minutes in BCD
+	DH = seconds in BCD
+----------1A09-------------------------------
+INT 1A - TIME - READ RTC ALARM TIME AND STATUS (CONV,PS30)
+	AH = 09h
+Return: CH = hours in BCD
+	CL = minutes in BCD
+	DH = seconds in BCD
+	DL = alarm status
+h alarm not enabled
+h alarm enabled but will not power up system
+h alarm will power up system
+----------1A0A-------------------------------
+INT 1A - TIME - READ SYSTEM-TIMER DAY COUNTER (XT2,PS)
+	AH = 0Ah
+Return: CF set on error
+	CF clear if successful
+	    CX = count of days since Jan 1,1980
+SeeAlso: AH=04h,AH=0Bh
+----------1A0B-------------------------------
+INT 1A - TIME - SET SYSTEM-TIMER DAY COUNTER (XT2,PS)
+	AH = 0Bh
+	CX = count of days since Jan 1,1980
+Return: CF set on error
+	CF clear if successful
+SeeAlso: AH=05h,AH=0Ah
+----------1A10-------------------------------
+INT 1A - NEC PC-9800 series - PRINTER - INITIALIZE
+	AH = 10h
+	???
+Return: ???
+SeeAlso: AH=11h,AH=12h,INT 17/AH=01h
+----------1A11-------------------------------
+INT 1A - NEC PC-9800 series - PRINTER - OUTPUT CHARACTER
+	AH = 11h
+	???
+Return: ???
+SeeAlso: AH=10h,AH=12h,INT 17/AH=00h
+----------1A12-------------------------------
+INT 1A - NEC PC-9800 series - PRINTER - SENSE STATUS
+	AH = 12h
+	???
+Return: ???
+SeeAlso: AH=10h,AH=11h,INT 17/AH=02h
+----------1A3601-----------------------------
+INT 1A - WORD PERFECT v5.0 Third Party Interface - INSTALLATION CHECK
+	AX = 3601h
+Return: DS:SI = routine to monitor keyboard input, immediately preceded by the
+		ASCIZ string "WPCORP\0"
+Notes:	WordPerfect 5.0 will call this interrupt at start up to determine if a
+	  third party product wants to interface with it.  The third party
+	  product must intercept this interrupt and return the address of a
+	  keyboard monitor routine.
+	Before checking for keyboard input, and after every key entered by the
+	  user, Word Perfect will call the routine whose address was provided
+	  in DS:SI with the following parameters:
+		Entry:	AX = key code or 0
+			BX = WordPerfect state flag
+		Exit:	AX = 0 or key code
+			BX = 0 or segment address of buffer with key codes
+	See the "WordPerfect 5.0 Developer's Toolkit" for further information.
+SeeAlso: INT 16/AX=5500h
+----------1A---------------------------------
+INT 1A - SNAP.EXE - API
+	AH = function (60h-64h,69h-78h) (see individual entries below)
+	AL = number of words on stack (00h-09h or FFh; FFh is same as 00h)
+	STACK: appropriate arguments
+Return: AX = status
+h successful
+	    FFFFh failed (invalid function/parameter)
+	STACK unchanged
+----------1A6108-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 6108h
+	STACK:	WORD	index of ??? (0000h-0009h)
+		DWORD	pointer to ???
+		WORD	???
+		DWORD	pointer to ???
+		WORD	???
+		WORD	???
+Return: ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A6205-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 6205h
+	STACK:	WORD	index of ??? (0000h-0009h)
+		DWORD	pointer to ???
+		WORD	???
+		WORD	???
+Return: ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A6308-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 6308h
+	STACK:	8 WORDs	???
+Return: ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A6405-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 6405h
+	STACK:	5 WORDs	???
+Return: ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A6900-----------------------------
+INT 1A - SNAP.EXE - GET RESIDENT DATA SEGMENT
+	AX = 6900h
+Return: AX = value used for DS by resident code
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+SeeAlso: AX=6F01h
+----------1A6A01-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 6A01h
+	STACK:	WORD	???
+Return: AX = ???
+	???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A6B01-----------------------------
+INT 1A - SNAP.EXE - SET ???
+	AX = 6B01h
+	STACK:	WORD	offset within ??? of ???
+Return:	STACK unchanged
+Notes:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+	this call is a NOP if the specified offset is 0000h
+----------1A6C04-----------------------------
+INT 1A - SNAP.EXE - SET ???
+	AX = 6C04h
+	STACK:	WORD	offset within ??? of destination (nonzero)
+		WORD	segment of source buffer
+		WORD	offset of source buffer
+		WORD	number of bytes to copy
+Return: AX = offset of byte after last one copied to destination
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+SeeAlso: AX=6D04h
+----------1A6D04-----------------------------
+INT 1A - SNAP.EXE - GET ???
+	AX = 6D04h
+	STACK:	WORD	offset within ??? of source
+		WORD	segment of destination buffer
+		WORD	offset of destination buffer
+		WORD	number of bytes to copy
+Return: AX = offset of byte after last one copied from source
+	buffer filled
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+SeeAlso: AX=6C04h
+----------1A6E01-----------------------------
+INT 1A - SNAP.EXE - SET ???
+	AX = 6E01h
+	STACK:	WORD	new value for ???
+Return:	AX = old value of ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A6F01-----------------------------
+INT 1A - SNAP.EXE - INSTALLATION CHECK
+	AX = 6F01h
+	STACK: WORD 0000h
+Return: AX = status
+h SNAP is resident
+	    other SNAP not present
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP, and is
+	  required by PCVENUS (a network shell).  The combination of SNAP and
+	  PCVENUS allows the use of the Andrew File System as one or more
+	  networked drives.
+SeeAlso: AX=6900h,AX=7400h
+----------1A7002-----------------------------
+INT 1A - SNAP.EXE - SET ???
+	AX = 7002h
+	STACK:	WORD	index of ??? (0000h-0009h)
+		WORD	new value for ???
+Return: AX = status
+h successful
+	    FFFFh failed (top word on stack not in range 00h-09h)
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+SeeAlso: AX=7101h
+----------1A7101-----------------------------
+INT 1A - SNAP.EXE - GET ???
+	AX = 7101h
+	STACK:	WORD	index of ??? (0000h-0009h)
+Return:	AX = ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+SeeAlso: AX=7002h
+----------1A7202-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 7202h
+	STACK:	WORD	index of ??? (0000h-0009h)
+		WORD	offset within resident data segment of ???
+Return:	AX = ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A7302-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 7302h
+	STACK:	WORD	index of ??? (0000h-0009h)
+		WORD	offset within resident data segment of ???
+Return:	AX = ???
+	???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A7400-----------------------------
+INT 1A - SNAP.EXE - GET VERSION
+	AX = 7400h
+Return: AX = version (AH=major, AL=minor)
+Notes:	this call is only valid if SNAP is installed
+   	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+SeeAlso: INT 1A/AX=6F01h
+----------1A75-------------------------------
+INT 1A - SNAP.EXE - ???
+	AH = 75h
+	AL = ???
+Return: AX = ??? (0000h)
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A77-------------------------------
+INT 1A - SNAP.EXE - ???
+	AH = 77h
+	AL = ??? (at least 01h)
+	STACK:	WORD	???
+		???
+Return: ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A7802-----------------------------
+INT 1A - SNAP.EXE - ???
+	AX = 7802h
+	STACK:	WORD	???
+		WORD	???
+Return: ???
+	STACK unchanged
+Note:	SNAP.EXE is a program written by IBM&CMU included with the Carnegie
+	  Mellon University customized version of FTP, Inc.'s PC/TCP.
+----------1A7F-------------------------------
+INT 1A - Tandy 2500, Tandy 1000L series - DIGITAL SOUND???
+	AH = 7Fh
+	???
+Return: ???
+SeeAlso: AH=80h,AH=83h,AH=85h
+----------1A80-------------------------------
+INT 1A - PCjr - SET UP SOUND MULTIPLEXOR
+	AH = 80h
+	AL = 00h source is 8253 channel 2
+h source is cassette input
+h source is I/O channel "Audio IN"
+h source is sound generator chip
+SeeAlso: AH=7Fh,AH=83h
+----------1A8100-----------------------------
+INT 1A - Tandy 2500, Tandy 1000L series - DIGITAL SOUND - INSTALLATION CHECK
+	AX = 8100h
+Return: AH > 80h if supported
+----------1A83-------------------------------
+INT 1A - Tandy 2500, Tandy 1000L series - START PLAYING DIGITAL SOUND
+	AH = 83h
+	AL = volume (0=lowest, 7=highest)
+	CX = number of bytes to play
+	DX = time between sound samples (multiples of 273 nanoseconds)
+	ES:BX -> sound data (array of 8-bit PCM samples)
+Return: ???
+Notes:	this call returns immediately while the sound plays in the
+	  background
+	The sound data pointed to by ES:BX probably shouldn't cross a 64k
+	  boundary.  The BIOS appears to call INT 15/AX=91FBh when the sound
+	  device underflows to allow another INT 1A/AH=83h for seamless
+	  playing of long sounds.
+SeeAlso: AH=84h,INT 15/AH=91h
+----------1A84-------------------------------
+INT 1A - Tandy 2500, Tandy 1000L series - STOP PLAYING DIGITAL SOUND
+	AH = 84h
+Return: ???
+SeeAlso: AH=83h,AH=85h
+----------1A85-------------------------------
+INT 1A - Tandy 2500, Tandy 1000L series - DIGITAL SOUND???
+	AH = 85h
+	???
+Return: ???
+SeeAlso: AH=7Fh,AH=83h
+----------1AA0-------------------------------
+INT 1A - Disk Spool II v2.07 - INSTALLATION CHECK
+	AH = A0h
+Return: AH = B0h if installed
+	    AL = pending INT 1A/AH=D0h subfunction if nonzero???
+	    ES = code segment
+	    ES:BX -> name of current spool file
+	    ES:SI -> current despool file
+	    CL = 00h despooler is disabled
+	       = 41h despooler is enabled
+	    CH = 00h spooler is disabled
+	       = 41h spooler is enabled
+	    DL = 00h despooler is currently active printing a file
+	       = 41h despooler is standing by
+	    DH = 00h ???
+	       = 41h ???
+	    DI = 0000h ???
+h ???
+Note:	Disk Spool II is a shareware disk-based print spooler by Budget
+	  Software Company
+SeeAlso: AH=ABh,AH=C0h,AH=D0h
+----------1AAB-------------------------------
+INT 1A - Disk Spool II v1.83 - INSTALLATION CHECK
+	AH = ABh
+Return:	AH = BAh if installed
+	    AL = pending INT 1A/AH=ADh subfunction if nonzero???
+	    ES = code segment
+	    ES:BX -> name of current spool file
+	    ES:SI -> current despool file
+	    CL = 00h despooler is disabled
+	       = 41h despooler is enabled
+	    CH = 00h spooler is disabled
+	       = 41h spooler is enabled
+	    DL = 00h despooler is currently active printing a file
+	       = 41h despooler is standing by
+	    DH = 00h ???
+	       = 41h ???
+	    DI = 0000h ???
+h ???
+Note:	Disk Spool II is a shareware disk-based print spooler by Budget
+	  Software Company
+SeeAlso: AH=A0h,AH=ACh,AH=ADh
+----------1AAC-------------------------------
+INT 1A - Disk Spool II v1.83 - INSTALLATION CHECK
+	AH = ACh
+Return: (see AH=ABh)
+Note:	this function is identical to AH=ABh
+SeeAlso: AH=A0h,AH=ABh,AH=ADh
+----------1AAD-------------------------------
+INT 1A - Disk Spool II v1.83 - FUNCTION CALLS
+	AH = ADh
+	AL = function code
+h enable spooler only
+h enable the despooler
+h disable the despooler
+h inhibit popup menu
+h enable popup menu
+Ah ???
+Bh disable the spooler
+Ch start despooler after last successfully printed document???
+Dh start despooler at the exact point where it last left off???
+Eh pop up the menu
+Fh ???
+h ???
+h ???
+h ???
+h ???
+h ???
+h ???
+h ???
+h clear file pointed to by the despooler???
+h	???
+h	???
+h ???
+h ???
+Return: AH = 00h if successful
+SeeAlso: AH=ABh
+----------1AC0-------------------------------
+INT 1A - Disk Spool II v2.07 - ALTERNATE INSTALLATION CHECK
+	AH = C0h
+Return: (see AH=A0h)
+Note:	this call is identical to AH=A0h
+SeeAlso: AH=A0h,AH=ABh,AH=D0h
+----------1AD0-------------------------------
+INT 1A - Disk Spool II v2.07 - FUNCTION CALLS
+	AH = D0h
+	AL = function code
+h enable spooler and despooler
+h enable spooler only
+h enable despooler at beginning of file
+h disable the despooler
+h disable the despooler and spooler
+h clear the spool file
+h inhibit the popup menu
+h enable the popup menu
+Ah ??? (called by Disk Spool's INT 21 handler)
+Bh disable the spooler
+Ch start despooler after last successfully printed document
+Dh start despooler at the exact point where it last left off
+Eh pop up the menu
+Fh ???
+h start new spool file??? (called by Disk Spool's INT 21 handler
+	    		when a program terminates)
+h ???
+h delete despool file and reset ???
+h ??? (writes something to unknown file)
+h ??? (writes something to despool file, then reads something
+	    		else and ???)
+h ??? (reads something from despool file, and then ???)
+h ??? (creates/truncates spool file)
+h clear file pointed to by the despooler
+h ??? (writes something to unknown file)
+h ??? (writes something to spool file if spooler/despooler using
+	    		same file)
+h ??? (opens/creates unknown file, then ???)
+h ???
+h ???
+h beep
+h append CRLF to spool file???
+h ???
+h ???
+h ???
+h append CRLF to spool file and start a new spool file???
+h ???
+h ??? (called by Disk Spool's INT 21 handler)
+h ??? (called by Disk Spool's INT 21 handler)
+h ???
+SeeAlso: AH=A0h,AH=ADh
+----------1AF7-------------------------------
+INT 1A - RighTime v1.1 - TEMPORARILY DISABLE
+	AH = F7h
+Notes:	RighTime is a TSR by G.T. Becker which continuously adjusts the system
+	  time to correct for clock drift
+	any AH value from F0h-F7h or F9h-FEh will perform this function in
+	  version 1.1, but F7h is the function called by transient portion
+SeeAlso: AH=F8h,AH=FFh"RighTime"
+----------1AF8-------------------------------
+INT 1A - RighTime v1.1 - ENABLE
+	AH = F8h
+Notes:	RighTime is a TSR by G.T. Becker which continuously adjusts the system
+	  time to correct for clock drift
+	RighTime is TeSseRact-compatible (see INT 2F/AX=5453h) and modifies its
+	  TeSseRact program identifier based on its current state: "RighTime"
+	  when enabled, "RighTim"F7h when disabled.
+SeeAlso: AH=F7h,AH=FFh"RighTime"
+----------1AFE-------------------------------
+INT 1A - AT&T 6300 - READ TIME AND DATE
+	AH = FEh
+Return: BX = day count (0 = Jan 1, 1984)
+	CH = hour
+	CL = minute
+	DH = second
+	DL = hundredths
+SeeAlso: AH=FFh"AT&T",INT 21/AH=2Ah,INT 21/AH=2Ch
+----------1AFF-------------------------------
+INT 1A - AT&T 6300 - SET TIME AND DATE
+	AH = FFh
+	BX = day count (0 = Jan 1, 1984)
+	CH = hour
+	CL = minute
+	DH = second
+	DL = hundredths
+Return: ???
+SeeAlso: AH=FEh,INT 21/AH=2Bh,INT 21/AH=2Dh
+----------1AFF-------------------------------
+INT 1A - RighTime v1.1 - PERMANENTLY DISABLE
+	AH = FFh
+Notes:	RighTime is a TSR by G.T. Becker which continuously adjusts the system
+	  time to correct for clock drift
+	upon being permanently disabled, RighTime closes the file handle
+	  referencing its executable (which is updated with time correction
+	  information every two minutes while RighTime is enabled).
+===== INT 1B =====
+----------1B---------------------------------
+INT 1B - KEYBOARD - CONTROL-BREAK HANDLER
+   called when INT 09 determines that Control-Break has been pressed
+Note:	normally points to a short routine in DOS which sets the Ctrl-C flag,
+	  thus invoking INT 23h the next time DOS checks for Ctrl-C.
+SeeAlso: INT 23
+===== INT 1C =====
+==== INT 1C - TIME - SYSTEM TIMER TICK ====
+called on each clock tick by the INT 08 handler
+<WRAP round box>
+preferred interrupt to chain when a program needs to be invoked regularly
+not available on NEC 9800-series PCs
+</WRAP>
+SeeAlso: INT 08
+===== INT 1D =====
+==== INT 1D - SYSTEM DATA - VIDEO PARAMETER TABLES ====
+Note:	default parameter table at F000h:F0A4h for 100% compatible BIOSes
+SeeAlso: INT 10/AH=00h
+Format of video parameters:
+^ Offset  ^  Size      ^ Description                                                  ^
+|  00h    |  16 BYTEs  | 6845 register values for modes 00h and 01h                   |
+|  10h    |  16 BYTEs  | 6845 register values for modes 02h and 03h                   |
+|  20h    |  16 BYTEs  | 6845 register values for modes 04h and 05h                   |
+|  30h    |  16 BYTEs  | 6845 register values for modes 06h and 07h                   |
+|  40h    |  WORD      | bytes in video buffer for modes 00h and 01h                  |
+|  42h    |  WORD      | bytes in video buffer for modes 02h and 03h                  |
+|  44h    |  WORD      | bytes in video buffer for modes 04h and 05h                  |
+|  46h    |  WORD      | bytes in video buffer for modes 06h and 07h                  |
+|  48h    |  8 BYTEs   | columns on screen for each of modes 00h through 07h          |
+|  50h    |  8 BYTEs   | CRT controller mode bytes for each of modes 00h through 07h  |
+===== INT 1E =====
+==== INT 1E - SYSTEM DATA - DISKETTE PARAMETERS ====
+Note:	default parameter table at F000h:EFC7h for 100% compatible BIOSes
+SeeAlso: INT 13/AH=0Fh,INT 41
+Format of diskette parameter table:
+^ Offset  ^ Size  ^ Description                                                                                ^
+| 00h     | BYTE  | first specify byte bits\\   * 7-4: step rate \\   *  3-0: head unload time (0Fh = 240 ms)  |
+| 01h     | BYTE  | second specify byte\\  * bits 7-1: head load time (01h = 4 ms)\\  * 0: non-DMA mode (always 0) |
+| 02h     | BYTE  | delay until motor turned off (in clock ticks)                                              |
+| 03h     | BYTE  | bytes per sector (00h = 128, 01h = 256, 02h = 512, 03h = 1024)                             |
+| 04h     | BYTE  | sectors per track                                                                          |
+| 05h     | BYTE  | length of gap between sectors (2Ah for 5.25", 1Bh for 3.5")                                |
+| 06h     | BYTE  | data length (ignored if bytes-per-sector field nonzero)                                    |
+| 07h     | BYTE  | gap length when formatting (50h for 5.25", 6Ch for 3.5")                                   |
+| 08h     | BYTE  | format filler byte (default F6h)                                                           |
+| 09h     | BYTE  | head settle time in milliseconds                                                           |
+| 0Ah     | BYTE  | motor start time in 1/8 seconds                                                            |
+===== INT 1F =====
+==== INT 1F - SYSTEM DATA - 8x8 GRAPHICS FONT ====
+points at 1024 bytes of graphics data, 8 bytes for each character 80h-FFh
+<WRAP round box>
+graphics data for characters 00h-7Fh stored at F000h:FA6Eh in 100% compatible BIOSes
+</WRAP>
+SeeAlso: INT 10/AX=5000h,INT 43
+===== INT 20 =====
+==== INT 20 - Minix - SEND/RECEIVE MESSAGE ====
+<code>
+	AX = process ID of other process
+	BX -> message
+	CX = 1 send
+receive
+send&receive
+</code>
+<WRAP round box>
+the message contains the system call number (numbered as in V7 Unix(tm)) and the call parameters
+</WRAP>
+==== INT 20 - DOS 1+ - TERMINATE PROGRAM ====
+<code>
+	CS = PSP segment
+</code>
+<code>
+Return: never
+</code>
+<WRAP round box>
+(see notes for INT 21/AH=00h)
+</WRAP>
+SeeAlso: INT 21/AH=00h,INT 21/AH=4Ch

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