interrupr.txt

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--------r-9D---------------------------------
INT 9D - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT 9C"BASIC",INT 9E"BASIC"
--------v-9D---------------------------------
INT 9D - VIRUS - "INT13" - ROM INT 13h ENTRY POINT
Note:	this vector is used by the virus to store the result of a call to
	  INT 2F/AH=13h
SeeAlso: INT 2F/AH=13h,INT 9C"VIRUS",INT 9E"VIRUS",INT 9F"VIRUS"
--------r-9E---------------------------------
INT 9E - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT 9D"BASIC",INT 9F"BASIC"
--------v-9E---------------------------------
INT 9E - VIRUS - "INT13" - ORIGINAL INT 21h VECTOR
SeeAlso: INT 70"VIRUS",INT 9C"VIRUS",INT 9D"VIRUS",INT E0"VIRUS"
--------r-9F---------------------------------
INT 9F - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT 9D"BASIC",INT A0"BASIC"
--------v-9F---------------------------------
INT 9F - VIRUS - "INT13" - STORAGE FOR USER INT 13h VECTOR
Note:	while it is infecting a file, the INT13 virus grabs INT 13 and uses
	  this interrupt to store the existing INT 13 vector for later
	  restoration
SeeAlso: INT 9C"VIRUS",INT 9D"VIRUS",INT D3"VIRUS"
--------r-A0---------------------------------
INT A0 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT 9F"BASIC",INT A1"BASIC"
--------r-A0---------------------------------
INT A0 - APL*PLUS/PC - USED BY APL/GSS*CGI GRAPHICS INTERFACE
SeeAlso: INT 59"GSS"
--------r-A1---------------------------------
INT A1 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT A0"BASIC",INT A2"BASIC"
--------r-A2---------------------------------
INT A2 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT A1"BASIC",INT A3"BASIC"
--------r-A3---------------------------------
INT A3 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT A2"BASIC",INT A4"BASIC"
--------r-A4---------------------------------
INT A4 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT A3"BASIC",INT A5"BASIC"
--------U-A4---------------------------------
INT A4 U - Right Hand Man - API
	AH = function number (v3.3 supports functions 00h-52h)
Return: CF set on error
	CF clear if successful
Program: Right Hand Man is a TSR desk-top utility originally by Red E Products
	  which has evolved into Futurus Team
Note:	this interrupt is only hooked while popped up
SeeAlso: INT 2F/AX=A4E0h
--------r-A5---------------------------------
INT A5 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT A4"BASIC",INT A6"BASIC"
--------r-A6---------------------------------
INT A6 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT A5"BASIC",INT A7"BASIC"
--------r-A7---------------------------------
INT A7 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-A8---------------------------------
INT A8 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-A9---------------------------------
INT A9 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-AA---------------------------------
INT AA - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-AB---------------------------------
INT AB - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-AC---------------------------------
INT AC - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-AD---------------------------------
INT AD - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-AE---------------------------------
INT AE - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-AF---------------------------------
INT AF - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-B0---------------------------------
INT B0 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-B1---------------------------------
INT B1 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-B2---------------------------------
INT B2 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-B3---------------------------------
INT B3 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
--------U-B370-------------------------------
INT B3 - ZIPKEY - GET VERSION
	AH = 70h
Return: AH = major version
	AL = minor version
	CL = number of states and territories in current database
	DH = year of current database - 1900
	DL = month of current database's file date
Program: ZIPKEY is a resident ZIPCODE database by Eric Isaacson
Note:	if installed, the string "ZIPKEY" is present at offset 75h in the
	  interrupt handler's segment, and the byte at 7Bh contains the API
	  version number (00h for v1.x, 01h for v2.0)
--------U-B371-------------------------------
INT B3 - ZIPKEY - CONVERT TWO-LETTER ABBREVIATION TO STATE CODE
	AH = 71h
	BX = abbreviation, in either case (first letter in BL)
Return: CF set on error
	    AL = FFh
	CF clear if successful
	    AL = ZIPKEY state code
SeeAlso: AH=72h
--------U-B372-------------------------------
INT B3 - ZIPKEY - CONVERT STATE CODE TO TWO-LETTER ABBREVIATION
	AH = 72h
	BL = ZIPKEY state code
Return: CF set on error
	    AX destroyed
	CF clear if successful
	    AX = abbreviation, in upper case
SeeAlso: AH=71h,AH=73h
--------U-B373-------------------------------
INT B3 - ZIPKEY - CONVERT STATE CODE TO STATE NAME
	AH = 73h
	BL = ZIPKEY state code
	ES:DI -> buffer for name
Return: CF set on error
	    AX destroyed
	CF clear if successful
	    ES:DI points one byte beyond end of name
SeeAlso: AH=72h
--------U-B374-------------------------------
INT B3 - ZIPKEY - CONVERT ZIPCODE TO ASCII DIGITS
	AH = 74h
	DX = zipcode region (0-999)
	CH = last two digits of zipcode (0-99)
	ES:DI -> buffer
Return: CF set on error
	    AX destroyed
	CF clear if successful
	    ES:DI points one byte beyond end of digit string
--------U-B375-------------------------------
INT B3 - ZIPKEY - LOOK UP STATE CODE FOR ZIPCODE
	AH = 75h
	DX = zipcode region (0-999)
	CH = last two digits of zipcode (0-99)
Return: CF set on error (zipcode not found)
	    AL = suggested state code, FFh if none
	CF clear if successful
	    AL = ZIPKEY state code
	    BX = area code (v2.0+)
SeeAlso: AH=76h,AH=79h
--------U-B376-------------------------------
INT B3 - ZIPKEY - LOOK UP CITY AND STATE FOR ZIPCODE
	AH = 76h
	DX = zipcode region (0-999)
	CH = last two digits of zipcode (0-99)
	ES:DI -> buffer for name
Return: CF set on error
	    AL = suggested state code, FFh if none
	    ES:DI buffer filled with suggested city name
	CF clear if successful
	    AL = ZIPKEY state code
	    BX = area code (v2.0+)
	    ES:DI points one byte beyond end of name
SeeAlso: AH=75h,AH=78h,AH=7Eh
--------U-B377-------------------------------
INT B3 - ZIPKEY - PLAY BACK EXIT KEY FOR ENTRY WITH GIVEN ZIPCODE
	AH = 77h
	DX = zipcode region (0-999)
	CH = last two digits of zipcode (0-99)
	BX = 16-bit BIOS keycode for a defined ZIPKEY alternate exit key
Return: CF set on error
	    AX destroyed
	CF clear if successful
	    zipcode specification as defined by the BX keystroke is placed in
	      keyboard buffer, as if the user had popped up ZIPKEY and exited
	      by pressing the key specified by BX
--------U-B378-------------------------------
INT B3 - ZIPKEY - LOOK UP ZIPCODES FOR A GIVEN STATE AND CITY
	AH = 78h
	BL = ZIPKEY state code
	DS:SI -> city name, terminated with 0Dh if complete name, 00h if prefix
Return: BH = number of matching entries (set to 51 if more than 50)
	DX = zipcode region of first match (0-999)
	CL = last two digits of first zipcode in the range (0-99)
	CH = last two digits of last zipcode in the range (0-99)
	AX destroyed
SeeAlso: AH=79h,AH=7Ah
--------U-B379-------------------------------
INT B3 - ZIPKEY - LOOK UP ZIPCODES FOR A GIVEN CITY
	AH = 79h
	BL = ZIPKEY state code of first state to search
	DS:SI -> city name, terminated with 0Dh if complete name, 00h if prefix
Return: AL = ZIPKEY state code of first matching state
	BH = number of matching entries (set to 51 if more than 50)
	DX = zipcode region of first match (0-999)
	CL = last two digits of first zipcode in first range (0-99)
	CH = last two digits of last zipcode in first range (0-99)
Note:	to find all matching cities, repeat search with BL set to one more than
	  the returned AL
SeeAlso: AH=78h,AH=7Ah
--------U-B37A-------------------------------
INT B3 - ZIPKEY - FETCH AN ENTRY FROM A PREVIOUS LOOKUP
	AH = 7Ah
	BL = case number (0 to one less than value returned in BH by lookup)
Return: AL = ZIPKEY state code
	DX = zipcode region (0-999)
	CL = last two digits of first zipcode in the range (0-99)
	CH = last two digits of last zipcode in the range (0-99)
SeeAlso: AH=78h,AH=79h
--------U-B37B-------------------------------
INT B3 - ZIPKEY - GET VALUES NEEDED TO SAVE ZIPKEY CONTEXT
	AH = 7Bh
Return: BL = maximum number of characters for a city name
	BH = ZIPKEY state code for last city-name search, or FFh if none
	CX:DX = internal code identifying last city search
	AX destroyed
SeeAlso: AH=7Ch
--------U-B37C-------------------------------
INT B3 - ZIPKEY - RESTORE ZIPKEY CONTEXT
	AH = 7Ch
	BL = maximum number of characters for a city name
	BH = ZIPKEY state code for last city-name search, or FFh if none
	CX:DX = internal code returned by AH=7Bh
Return: CF set on error
	CF clear if successful
	AX destroyed
SeeAlso: AH=7Bh
--------U-B37D-------------------------------
INT B3 - ZIPKEY - REQUEST POP UP
	AH = 7Dh
	BL = index number to simulate pressing a hotkey
	    FFh for immediate popup with no playback on return
Return: CF set on error
	    AL = error code
		FDh already busy with another request
		FEh illegal function
	CF clear if successful
	    AX destroyed
	    window popped up and was closed by the user
SeeAlso: AH=70h
--------U-B37E-------------------------------
INT B3 - ZIPKEY - GET NAME OF PRIMARY CITY FOR A ZIPCODE REGION
	AH = 7Eh
	DX = zipcode region (0-999)
	ES:DI -> buffer for name
Return: CF set on error
	    AL = FFh region does not exist
	CF clear if successful
	    AL = ZIPKEY state code
	    ES:DI points one byte beyond end of name
SeeAlso: AH=76h
--------U-B37F-------------------------------
INT B3 - ZIPKEY - ENABLE/DISABLE HOTKEYS
	AH = 7Fh
	BL = function
	    00h turn off hotkeys
	    01h turn on hotkeys
	    02h return hotkey status
	    03h toggle hotkey status
Return: AL = hotkey status
	    00h off
	    01h on
--------U-B380-------------------------------
INT B3 - ZIPKEY v2.0+ - DETERMINE STATE FOR AREA CODE
	AH = 80h
	BX = telephone area code (decimal)
Return: CF clear if successful
	    AL = ZIPKEY state code
	    DX = first ZIP region for state (03E8h if Canada)
	    CX = number of ZIP regions in state
	CF set on error
	    AL = FFh
	    DX = 03E9h
--------r-B4---------------------------------
INT B4 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
--------r-B4---------------------------------
INT B4 - StackMan - REQUEST NEW STACK
Return: SS:SP -> new stack
Program: StackMan is a freeware stack manager by Franz Veldman of ESaSS B.V.
	  which functions as a replacement for the DOS STACK= command as well
	  as permitting multiple TSRs to share a pool of stack space
InstallCheck:	test for the string "STACKXXX" at offset 0Ah from the
	  interrupt handler
SeeAlso: INT 2F/AX=C9FFh,INT B5"STACKMAN"
Index:	installation check;STACKMAN