Index for interrupt INT 16
Table of Contents by Order
1600 - INT 16 - KEYBOARD - GET KEYSTROKE
1601 - INT 16 - KEYBOARD - CHECK FOR KEYSTROKE
1602 - INT 16 - KEYBOARD - GET SHIFT FLAGS
1603 - INT 16 - KEYBOARD - SET TYPEMATIC RATE AND DELAY
1604 - INT 16 - KEYBOARD - SET KEYCLICK (PCjr only)
1604 - INT 16 - Tandy 2000 - KEYBOARD - FLUSH KEYBOARD BUFFER
1604 - INT 16 - K3PLUS v6.22+ - SET KEYCLICK
1605 - INT 16 - KEYBOARD - STORE KEYSTROKE IN KEYBOARD BUFFER (AT/PS w enh keybd only)
1605 - INT 16 - KEYBOARD - SELECT KEYBOARD LAYOUT (PCjr only)
1605 - INT 16 - Tandy 2000 - KEYBOARD - RESET KEYBOARD
160600 - INT 16 - AAKEYS - GET NEXT KEYBOARD EVENT
160601 - INT 16 - AAKEYS - EMPTY KEY-EVENT BUFFER
160602 - INT 16 - AAKEYS - DISABLE AAKEYS
160603 - INT 16 - AAKEYS - GET KEY-EVENT BUFFER
160604 - INT 16 - AAKEYS - EMPTY BIOS KEYBOARD BUFFER
1609 - INT 16 - KEYBOARD - GET KEYBOARD FUNCTIONALITY
160A - INT 16 - KEYBOARD - GET KEYBOARD ID
1610 - INT 16 - KEYBOARD - GET ENHANCED KEYSTROKE (enhanced kbd support only)
1611 - INT 16 - KEYBOARD - CHECK FOR ENHANCED KEYSTROKE (enh kbd support only)
1612 - INT 16 - KEYBOARD - GET EXTENDED SHIFT STATES (enh kbd support only)
1613 - INT 16 - DOS/V - DOUBLE-BYTE CHARACTER SET SHIFT CONTROL
1614 - INT 16 - DOS/V - SHIFT STATUS DISPLAY CONTROL
1620 - INT 16 - KEYBOARD - GET 122-KEY KEYSTROKE (122-key kbd support only)
1620 - INT 16 - HUNTER 16 - SET TEMPORARY SHIFT
1620 - INT 16 O - K3 v1.5x, K3PLUS v5.xx - GET EXTENDED BUFFER STATE
1621 - INT 16 - KEYBOARD - CHECK FOR 122-KEY KEYSTROKE (122-key kbd support only)
1621 - INT 16 - HUNTER 16 - CONTROL SHIFT KEYS
1622 - INT 16 - KEYBOARD - GET 122-KEY SHIFT STATUS (122-key kbd support only)
1622 - INT 16 - HUNTER 16 - CONTROL CTRL-ALT-DEL
1623 - INT 16 - HUNTER 16 - CONTROL EMERGENCY BREAKOUT
1624 - INT 16 - HUNTER 16 - REDEFINE KEY CODES
1625 - INT 16 - HUNTER 16 - RESET KEYBOARD
1625 - INT 16 O - K3 v1.5x, K3PLUS v5.xx - COPY INTO EXTENDED BUFFER
1626 - INT 16 - HUNTER 16 - CONTROL KEYCLICK
1627 - INT 16 - HUNTER 16 - CONTROL SCREEN DUMP AREA
1629 - INT 16 - HUNTER 16 - GET KEY REPEAT
162A - INT 16 - HUNTER 16 - CONTROL KEY REPEAT
162B - INT 16 - HUNTER 16 - REDEFINE KEY SCAN CODES
162C - INT 16 - HUNTER 16 - REDEFINE RAW KEY CODES
162D - INT 16 - HUNTER 16 - CONTROL BREAK KEYS
163577 - INT 16 U - TextWare TWTSR - API
164252 - INT 16 - TEXTCAP 2.0 - INSTALLATION CHECK
164253 - INT 16 - TEXTCAP 2.0 - UNINSTALL
164254 - INT 16 - TEXTCAP 2.0 - DUMP TEXT SCREEN TO FILE
164500 - INT 16 - Shamrock Software EMAIL - GET STATUS
164501 - INT 16 - Shamrock Software EMAIL - GET ELAPSED ONLINE TIME AND MAXIMUM TIME
164502 - INT 16 - Shamrock Software EMAIL - GET CURRENT COMMUNICATIONS PARAMETERS
164503 - INT 16 - Shamrock Software EMAIL - SPECIFY COMMAND-WORD FOR USER FUNCTION
164504 - INT 16 - Shamrock Software EMAIL - CHECK FOR USER FUNCTION COMMAND-WORD
164505 - INT 16 - Shamrock Software EMAIL - SEND RESULT OF USER FUNCTION
164506 - INT 16 - Shamrock Software EMAIL - MONITOR XMODEM DOWNLOAD
164B - INT 16 - Frank Klemm Keyboard Driver v2.0 - API
164D4F - INT 16 - M16_KBD.COM v5.6 - INSTALLATION CHECK
165000 - INT 16 - KEYBOARD - AX PC - SET KEYBOARD COUNTRY CODE
165001 - INT 16 - KEYBOARD - AX PC - GET KEYBOARD COUNTRY CODE
1651 - INT 16 - KEYBOARD - AX PC - READ SHIFT KEY STATUS
165453BX5242 - INT 16 - TSRBONES - INSTALLATION CHECK
165472BX4C54 - INT 16 - TrLit - API
165500 - INT 16 C - Microsoft Word internal - MICROSOFT WORD COOPERATION WITH TSR
1655FE - INT 16 CU - Microsoft QBASIC internal - MICROSOFT COOPERATION WITH TSR
1655FF - INT 16 C - Microsoft Word - TSR COOPERATION???
165758BX4858 - INT 16 U - Netroom CACHECLK - INSTALLATION CHECK
165758BX5754 - INT 16 U - Netroom ??? - ???
165758BX5755 - INT 16 U - Netroom ??? - ???
165758BX5756 - INT 16 U - Netroom ??? - INSTALLATION CHECK
165758BX5858 - INT 16 U - Netroom PRENET - GET OLD INTERRUPT VECTORS
165758BX5859 - INT 16 U - Netroom POSTNET - GET OLD INTERRUPT VECTORS
1667 - INT 16 - Doorway v2.x+ - INSTALLATION CHECK / REDIRECTION CONTROLa
166969BX6968 - INT 16 - PC Tools v5.1+ BACKTALK - UNHOOK
166969BX6969 - INT 16 - PC Tools v5.1+ BACKTALK - INSTALLATION CHECK
166A6B - INT 16 U - FastJuice - DISABLE/UNLOAD???
166C63 - INT 16 U - TMED v1.6a - INSTALLATION CHECK
166D74 - INT 16 - MTRTSR - INSTALLATION CHECK
166F00 - INT 16 - HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS INSTALLATION CHECK
166F01 - INT 16 - HP Vectra EX-BIOS - "F16_DEF_ATTR" - GET DEFAULT TYPEMATIC VALUES
166F02 - INT 16 - HP Vectra EX-BIOS - "F16_GET_ATTR" - GET CURRENT TYPEMATIC VALUES
166F03 - INT 16 - HP Vectra EX-BIOS - "F16_SET_ATTR" - SET TYPEMATIC VALUES
166F04 - INT 16 - HP Vectra EX-BIOS - "F16_DEF_MAPPING" - GET DEFAULT KEY MAPPINGS
166F05 - INT 16 - HP Vectra EX-BIOS - "F16_GET_MAPPING" - GET CURRENT KEY MAPPINGS
166F06 - INT 16 - HP Vectra EX-BIOS - "F16_SET_MAPPING" - SET KEY MAPPINGS
166F07 - INT 16 - HP Vectra EX-BIOS - "F16_SET_XLATORS" - SET CCP AND SOFTKEY PADS
166F08 - INT 16 - HP Vectra EX-BIOS - "F16_KBD" - GET KEYBOARD INFORMATION
166F09 - INT 16 - HP Vectra EX-BIOS - "F16_KBD_RESET" - RESET KEYBOARD TO DEFAULTS
166F0A - INT 16 - HP Vectra ES/QS/RS EX-BIOS - READ PROCESSOR SPEED
166F0B - INT 16 - HP Vectra ES/QS/RS EX-BIOS - SET PROCESSOR SPEED TO LOW
166F0C - INT 16 - HP Vectra ES/QS/RS EX-BIOS - SET PROCESSOR SPEED TO HIGH
166F0D - INT 16 - HP Vectra ES/QS/RS EX-BIOS - GET HIL Extended BIOS INTERRUPT NUMBER
166F0E - INT 16 - HP Vectra ES/QS/RS EX-BIOS - SET HIL Extended BIOS INTERRUPT NUMBER
166F0F - INT 16 - HP Vectras RS/20C and RS/25C - ENABLE MEMORY CACHING
166F10 - INT 16 - HP Vectras RS/20C and RS/25C - DISABLE MEMORY CACHING
166F11 - INT 16 - HP Vectras RS/20C and RS/25C - GET MEMORY CACHING STATE
166F12 - INT 16 - HP Vectras RS/20C and RS/25C - SET PROCESSOR SPEED TO MEDIUM
1670 - INT 16 - FAKEY.COM - INSTALLATION CHECK
1671 - INT 16 - FAKEY.COM - PUSH KEYSTROKES
1672 - INT 16 - FAKEY.COM - CLEAR FAKED KEYSTROKES
1673 - INT 16 - FAKEY.COM - PLAY TONES
167463 - INT 16 U - FastJuice - INSTALLATION CHECK
1675 - INT 16 - pcANYWHERE III - SET TICK COUNT FOR SCANNING
1676 - INT 16 - pcANYWHERE III - SET ERROR CHECKING TYPE
1677 - INT 16 - pcANYWHERE III - LOG OFF
167761 - INT 16 - WATCH.COM v2.x-v3.0 - INSTALLATION CHECK
167788BX7789 - INT 16 - PC Magazine PUSHDIR.COM - INSTALLATION CHECK
1679 - INT 16 - pcANYWHERE III - CHECK STATUS
167A - INT 16 - pcANYWHERE III - CANCEL SESSION
167B00 - INT 16 - pcANYWHERE III - SUSPEND
167B01 - INT 16 - pcANYWHERE III - RESUME
167C - INT 16 - pcANYWHERE III - GET PORT CONFIGURATION
167D - INT 16 - pcANYWHERE III - GET/SET TERMINAL PARAMETERS
167E - INT 16 - pcANYWHERE III - COMMUNICATIONS I/O THROUGH PORT
167F - INT 16 - pcANYWHERE III - SET KEYBOARD/SCREEN MODE
1680 - INT 16 - MAKEY.COM - INSTALLATION CHECK
1687 - INT 16 - DK.COM v1.03 - INSTALLATION CHECK
168765BX4321 - INT 16 - AT.COM version 8/26/87 - API
1692 - INT 16 - KEYB.COM KEYBOARD CAPABILITIES CHECK (not an actual function!)
1699 - INT 16 - SCOUT v5.4 - GET ???
169E - INT 16 - SCOUT v5.4 - INSTALLATION CHECK
16A2 - INT 16 - KEYB.COM KEYBOARD CAPABILITIES CHECK (not an actual function!)
16AA - INT 16 - PTxxx.COM - (xxx=CGA,EGA,VGA,HER...) CALL GATE FOR GRAPHICS
16AABBBXEEFF - INT 16 U - JORJ v4.3 - INSTALLATION CHECK
16AF20BX4B33 - INT 16 - K3PLUS v6.00+ (API v2.0+) - GET EXTENDED BUFFER STATE
16AF25BX4B33 - INT 16 - K3PLUS v6.00+ (API v2.0+) - COPY INTO EXTENDED BUFFER
16AF4DBX4B33 - INT 16 - K3PLUS v6.00+ (API v2.0+) - GET VERSION INFORMATION
16AF50BX4B33 - INT 16 - K3PLUS v6.00+ (API v2.0+) - CHECK IF FUNCTION SUPPORTED
16AF51BX4B33 - INT 16 - K3PLUS v6.00+ (API v2.00+) - SET OPTIONS
16AF80BX4B33 - INT 16 - K3PLUS v6.00+ (API v2.00+) - GET ORIGINAL INT 09h VECTOR
16AF81BX4B33 - INT 16 - K3PLUS v6.00+ (API v2.00+) - GET ORIGINAL INT 16h HANDLER
16AF82BX4B33 - INT 16 - K3PLUS v6.00+ (API v2.00+) - GET ORIGINAL INT 10h HANDLER
16B0B1 - INT 16 - VGARAM v1.00 - INSTALLATION CHECK
16CA--BX736B - INT 16 - CtrlAlt Associates STACKEY.COM v3.00 - API
16CA00BX6570 - INT 16 - CtrlAlt Associates EGAPAL.COM v1.00 - INSTALLATION CHECK
16CA00BX7670 - INT 16 - CtrlAlt Associates VGAPAL.COM v1.00 - INSTALLATION CHECK
16CB00 - INT 16 - PUPClip v1.12+ - INSTALLATION CHECK
16CB01 - INT 16 - PUPClip v1.12+ - GET CLIPBOARD CURSOR POSITION
16CB02 - INT 16 - PUPClip v1.12+ - SET CLIPBOARD CURSOR POSITION
16CB03 - INT 16 - PUPClip v1.12+ - GET CHARACTER FROM CURRENT CLIPBOARD CURSOR POSITION
16CB04 - INT 16 - PUPClip v1.12+ - WRITE CHARACTER TO CURRENT CLIPBOARD CURSOR POSITION
16CB05 - INT 16 - PUPClip v1.12+ - CLEAR CLIPBOARD CONTENTS
16CB06 - INT 16 - PUPClip v1.12+ - SCROLL UP CLIPBOARD CONTENTS
16CB07 - INT 16 - PUPClip v1.12+ - SCROLL DOWN CLIPBOARD CONTENTS
16CB08 - INT 16 - PUPClip v1.12+ - POP UP
16D724CX00CB - INT 16 U - APCAL v3.20 - GET ???
16D724CX00CC - INT 16 U - APCAL v3.20 - GET ???
16D724CX00CD - INT 16 U - APCAL v3.20 - GET ???
16DD - INT 16 - VIRUS - "Frumble" - INSTALLATION CHECK
16DFDF - INT 16 U - Corel PowerSCSI - FDAUDIO.COM - INSTALLATION CHECK
16E000 - INT 16 - AMI BIOS - BIOS-FLASH Interface - GET VERSION NUMBER
16E001 - INT 16 - AMI BIOS - BIOS-FLASH Interface - GET CHIPSET SAVE/RESTORE SIZE
16E002 - INT 16 - AMI BIOS - BIOS-FLASH Interface - SAVE CHIPSET STATUS & PREPARE CHPSET
16E003 - INT 16 - AMI BIOS - BIOS-FLASH Interface - RESTORE CHIPSET STATUS
16E004 - INT 16 - AMI BIOS - BIOS-FLASH Interface - LOWER PROGRAMMING VOLTAGE Vpp
16E005 - INT 16 - AMI BIOS - BIOS-FLASH Interface - RAISE PROGRAMMING VOLTAGE Vpp
16E006 - INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH WRITE PROTECT
16E007 - INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH WRITE ENABLE
16E008 - INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH SELECT
16E009 - INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH DE-SELECT
16E00A - INT 16 - AMI BIOS - BIOS-FLASH Interface - VERIFY ALLOCATED MEMORY
16E00B - INT 16 - AMI BIOS - BIOS-FLASH Interface - SAVE INTERNAL CACHE STATUS
16E00C - INT 16 - AMI BIOS - BIOS-FLASH Interface - RESTORE INTERNAL CACHE STATUS
16E0E0 - INT 16 - TurboPower TSRs - ALTERNATE INSTALLATION CHECK
16E0FF - INT 16 - AMI BIOS - BIOS-FLASH Interface - GENERATE CPU RESET
16ED--BHED - INT 16 - BORLAND TURBO LIGHTNING - API
16EF - INT 16 - CALCULATOR - INSTALLATION CHECK
16F0 - INT 16 - Compaq 386 and newer - SET CPU SPEED
16F0F0 - INT 16 - TurboPower TSRs - INSTALLATION CHECK
16F1 - INT 16 - Compaq 386 and newer - READ CURRENT CPU SPEED
16F2 - INT 16 - Compaq 386 and newer - DETERMINE ATTACHED KEYBOARD TYPE
16F3 - INT 16 - Compaq 80286s - SET CPU SPEED LIMIT (OVERRIDE JUMPER)
16F398 - INT 16 U - NORTON GUIDES - INSTALLATION CHECK
16F400 - INT 16 - Compaq Systempro and higher - CACHE CONTROLLER STATUS
16F401 - INT 16 - Compaq Systempro and higher - ENABLE CACHE CONTROLLER
16F402 - INT 16 - Compaq Systempro and higher - DISABLE CACHE CONTROLLER
16FA00DX5945 - INT 16 U - PC Tools v8+ VSAFE, VWATCH - INSTALLATION CHECK
16FA01DX5945 - INT 16 U - PC Tools v8+ VSAFE, VWATCH - UNINSTALL
16FA02DX5945 - INT 16 U - PC Tools v8+ VSAFE, VWATCH - GET/SET OPTIONS
16FA03DX5945 - INT 16 U - PC Tools v8+ VSAFE, VWATCH - GET ???
16FA04DX5945 - INT 16 U - PC Tools v8+ VSAFE - GET HOTKEY DISABLE FLAG
16FA05DX5945 - INT 16 U - PC Tools v8+ VSAFE - SET HOTKEY DISABLE FLAG
16FA06DX5945 - INT 16 U - PC Tools v8+ VSAFE, VWATCH - GET NETWORK DRIVES TEST FLAG
16FA07DX5945 - INT 16 U - PC Tools v8+ VSAFE, VWATCH - SET NETWORK DRIVES TEST FLAG
16FA08DX5945 - INT 16 U - PC Tools v9+ VWATCH v2.1 - ???
16FE55 - INT 16 U - PC Tools v8+ programs - GET ???
16FEA4 - INT 16 U - PC Tools v7+ CPSCHED/DESKTOP - RESET ???
16FEC6 - INT 16 U - PC Tools v7+ CPSCHED - ENABLE/DISABLE CPSCHED API
16FED3 - INT 16 U - PC Tools v7+ CPSCHED/DESKTOP - ???
16FEDC - INT 16 U - PC Tools v7+ CPSCHED - UNHOOK INTERRUPTS
16FEEFCX0000 - INT 16 U - PC Tools v7+ CPSCHED/DESKTOP - INSTALLATION CHECK
16FEF1 - INT 16 U - PC Tools v7 only CPSCHED/DESKTOP - ALTERNATE INSTALLATION CHECK
16FF - INT 16 - KEYBOARD - KBUF extensions - ADD KEY TO TAIL OF KEYBOARD BUFFER
16FF - INT 16 - OPTIMA 1024 VGA-Sync,ET-3000 chipset - QUERY ZOOM INTERRUPT
16FF--BH00 - INT 16 - FREEZE.COM - INSTALLATION CHECK
16FF70BX0000 - INT 16 U - PC Tools v8+ DRIVEMAP - INSTALLATION CHECK
16FF70BX0001 - INT 16 U - PC Tools v8+ DRIVEMAP - ???
16FF70BX0002 - INT 16 U - PC Tools v8+ DRIVEMAP - ???
16FF80BX0000 - INT 16 U - PC Tools v8+ CPTASK - INSTALLATION CHECK
16FF80BX0001 - INT 16 U - PC Tools v8+ CPTASK - GET ???
16FF80BX0002 - INT 16 U - PC Tools v8+ CPTASK - GET ???
16FF80BX0003 - INT 16 U - PC Tools v8+ CPTASK - GET ??? FLAGS
16FF80BX0004 - INT 16 U - PC Tools v8+ CPTASK - SET ???
16FF80BX0005 - INT 16 U - PC Tools v8+ CPTASK - GET NUMBER OF ACTIVE TASKS???
16FF80BX0006 - INT 16 U - PC Tools v8+ CPTASK - GET AND CLEAR ??? FLAG
16FF80BX0007 - INT 16 U - PC Tools v8+ CPTASK - ???
16FF80BX0008 - INT 16 U - PC Tools v8+ CPTASK - ???
16FF80BX0009 - INT 16 U - PC Tools v8+ CPTASK - GET ???
16FF80BX000A - INT 16 U - PC Tools v9+ CPTASK - SET ???
16FF80BX000B - INT 16 U - PC Tools v9+ CPTASK - SET ???
16FF80BX000C - INT 16 U - PC Tools v9+ CPTASK - SET IDLE??? DELAY
16FF80BX4350 - INT 16 U - PC Tools v8+ CPTASK - UNINSTALL
16FF90 - INT 16 U - PC Tools v8+ DESKTOP - ???
16FF91 - INT 16 U - PC Tools v7+ DESKTOP - ???
16FF92 - INT 16 U - PC Tools v7+ DESKTOP - ???
16FF93 - INT 16 U - PC Tools v7+ DESKTOP - SET ??? FLAG
16FF94 - INT 16 U - PC Tools v7+ DESKTOP - SET ???
16FF95 - INT 16 U - PC Tools v7+ DESKTOP - SET ???
16FF96 - INT 16 U - PC Tools v7+ DESKTOP - ???
16FF97 - INT 16 U - PC Tools v7+ DESKTOP - ???
16FF98 - INT 16 U - PC Tools v7+ DESKTOP - OPEN \DESK.OVL FILE AND SEEK TO OVERLAY
16FF99 - INT 16 U - PC Tools v7+ DESKTOP - ???
16FF9A - INT 16 U - PC Tools v7+ DESKTOP - GET NAME OF COLOR SCHEME
16FF9B - INT 16 U - PC Tools v7+ DESKTOP - UNUSED
16FF9C - INT 16 U - PC Tools v8+ CPTASK - SET/CLEAR ??? POINTER
16FF9D - INT 16 U - PC Tools v8+ CPTASK, VSAFE - ???
16FF9E - INT 16 U - PC Tools v7+ DESKTOP - ???
16FFA1 - INT 16 U - PC Tools v7+ DESKTOP - ???
16FFA2 - INT 16 U - PC Tools v7+ DESKTOP - ???
16FFA3BX0000 - INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - INSTALLATION CHECK
16FFA3BX0001 - INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - GET ???
16FFA3BX0002 - INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - GET ???
16FFA3BX0003 - INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - GET ???
16FFA3BX0004 - INT 16 U - PC Tools v7+ DATAMON - SET ??? FLAG
16FFA3BX0005 - INT 16 U - PC Tools v7+ DATAMON - CLEAR ??? FLAG
16FFA3BX0006 - INT 16 U - PC Tools v7+ DATAMON - SET PSP SEGMENT ???
16FFA3BXFFA3 - INT 16 U - PC Tools v9 DSKLIGHT - INSTALLATION CHECK
16FFA4 - INT 16 U - PC Tools v7-8 DESKTOP - ???
16FFA5CX1111 - INT 16 - PC-Cache v6+ - INSTALLATION CHECK
16FFA5CXAAAA - INT 16 - PC-Cache v6+ - ENABLE DELAYED WRITES
16FFA5CXCCCC - INT 16 - PC-Cache v6+ - FLUSH CACHE AND DISABLE DELAYED WRITES
16FFA5CXDDDD - INT 16 - PC-Cache v6+ - FLUSH AND DISABLE CACHE
16FFA5CXEEEE - INT 16 - PC-Cache v6+ - ENABLE CACHE
16FFA5CXFFFF - INT 16 - PC-Cache v6+ - FLUSH CACHE
16FFA6 - INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET ???
16FFA7 - INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET ??? PATH
16FFA8 - INT 16 U - PC Tools v6.0-8.0 DESKTOP - ???
16FFA9 - INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET VERSION STRING
16FFAA - INT 16 U - PC Tools v6.0-8.0 DESKTOP - ???
16FFAB - INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET EDITOR SETTINGS???
16FFAC - INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ???
16FFAD - INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ???
16FFAE - INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET ???
16FFAF - INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ???
16FFB0 - INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ???
16FFB1 - INT 16 U - PC Tools v6.0-8.0 DESKTOP - ???
16FFB2 - INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET ???
16FFB3 - INT 16 U - PC Tools v5.5-8.0 DESKTOP - ???
16FFB4 - INT 16 U - PC Tools v5.5-8.0 DESKTOP - SET ??? FLAG
16FFB5 - INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET/SET WINDOW PARAMETERS
16FFB6 - INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET ???
16FFB7 - INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET/SET ???
16FFB8 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET/SET???
16FFB9 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFBA - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFBB - INT 16 U - PC Tools v5.1-8.0 DESKTOP - CLEAR ??? FLAG
16FFBC - INT 16 U - PC Tools v5.1-8.0 DESKTOP - RESTORE ORIGINAL SCREEN???
16FFBD - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? DATABASE INDEXING MESSAGES
16FFBE - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFBF - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFC0 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFC1 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFC2 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFC3 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFC4 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ???
16FFC5 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - CHECK WHETHER DESKTOP LOADED RESIDENT
16FFC6 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ???
16FFC7 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - REMOVE WINDOW
16FFC8 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ???
16FFC9 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - COPY DATA TO CLIPBOARD
16FFCA - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ???
16FFCB - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SELECT WINDOW PARAMETERS???
16FFCC - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY ASCIZ STRING CENTERED IN WINDOW
16FFCD - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFCE - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ??? DELAYS
16FFCF - INT 16 U - PC Tools v5.1-8.0 DESKTOP - CLOSE PRINTER/PRINT FILE
16FFD0 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - PREPARE TO PRINT???
16FFD1 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY PRINT OPTIONS MENU
16FFD2 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFD3 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFD4BH3C - INT 16 U - PC Tools v5.1-8.0 DESKTOP - CREATE/OPEN/DELETE FILE
16FFD5 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFD6 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFD7 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFD8 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SAFE CREATE FILE
16FFD9 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ???
16FFDA - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET NAME OF LAST FILE OPENED
16FFDB - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ???
16FFDC - INT 16 U - PC Tools v5.1-8.0 DESKTOP - UNHOOK
16FFDDBX0000 - INT 16 U - PC Tools v5.1+ PCShell API - INSTALLATION CHECK
16FFDDBX0001 - INT 16 U - PC Tools v5.1+ PCShell API - REQUEST POP-UP
16FFDDBX0002 - INT 16 U - PC Tools v5.1-5.5 PCShell API - GET ???
16FFDDBX0003 - INT 16 U - PC Tools v5.1+ PCShell API - REQUEST POP-UP
16FFDDBX0004 - INT 16 U - PC Tools v5.1+ PCShell API - GET ???
16FFDDBX0005 - INT 16 U - PC Tools v5.1+ PCShell API - ???
16FFDDBX0006 - INT 16 U - PC Tools v5.1+ PCShell API - ???
16FFDDBX0007 - INT 16 U - PC Tools v5.1+ PCShell API - SET ??? FLAG
16FFDDBX0008 - INT 16 U - PC Tools v5.1+ PCShell API - CLEAR ??? FLAG
16FFDDBX0009 - INT 16 U - PC Tools v6.0+ PCShell API - GET PCRUN PARAMETERS
16FFDDBX000A - INT 16 U - PC Tools v6.0+ PCRUN API - INSTALLATION CHECK
16FFDDBX000B - INT 16 U - PC Tools v6.0+ PCRUN API - ???
16FFDE - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY POPUP MENU
16FFDF - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFE0 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFE1 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - BEEP
16FFE2 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFE3 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - PRINT CHARACTER
16FFE4 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFE5 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - POP UP FILE SELECTION MENU
16FFE6 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - CHECK FOR AND GET KEYSTROKE
16FFE7 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFE8 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY NUMBER
16FFE9 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET FILE LIST???
16FFEA - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY COUNTED STRING
16FFEB - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFEC - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET KEY
16FFED - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ???
16FFEE - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DEFINE PULLDOWN MENUS
16FFEFCX0000 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - INSTALLATION CHECK
16FFF0 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ???
16FFF1BX0000 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ALTERNATE INSTALLATION CHECK
16FFF2 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY HELP LINE
16FFF3 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - PREPARE TO UNLOAD RESIDENT DESKTOP
16FFF4 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - ???
16FFF5 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET SCREEN ATTRIBUTE ARRAY
16FFF6 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - INVOKE NOTEPAD EDITOR
16FFF7 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - PROCESS MENU BAR ENTRY???
16FFF8 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DRAW EMPTY WINDOW
16FFF9 - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DEFINE SCREEN REFRESH ROUTINE
16FFFA - INT 16 U - PC Tools v5.1-8.0 DESKTOP - DEFINE STANDARD PULLDOWN MENUS
16FFFB - INT 16 U - PC Tools v5.1-8.0 DESKTOP - PROCESS STANDARD MENU BAR
16FFFC - INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET HOTKEYS AND KEYBOARD VECTOR
16FFFD - INT 16 U - PC Tools v5.1-8.0 DESKTOP - COPY ???
16FFFE - INT 16 U - PC Tools v5.1-8.0 DESKTOP - SHOW MOUSE CURSOR
16FFFF - INT 16 U - PC Tools v5.1-8.0 DESKTOP - HIDE MOUSE CURSOR
INT 16 - KEYBOARD - GET KEYSTROKE AH = 00h Return: AH = BIOS scan code AL = ASCII character Notes: on extended keyboards, this function discards any extended keystrokes, returning only when a non-extended keystroke is available the BIOS scan code is usually, but not always, the same as the hardware scan code processed by INT 09. It is the same for ASCII keystrokes and most unshifted special keys (F-keys, arrow keys, etc.), but differs for shifted special keys some (older) clone BIOSes do not discard extended keystrokes and manage function AH=00h and AH=10h the same the K3PLUS v6.00+ INT 16 BIOS replacement doesn't discard extended keystrokes (same as with functions 10h and 20h), but will always translate prefix E0h to 00h. This allows old programs to use extended keystrokes and should not cause compatibility problems SeeAlso: AH=01h,AH=05h,AH=10h,AH=20h,AX=AF4Dh"K3PLUS",INT 18/AH=00h SeeAlso: INT 09,INT 15/AH=4FhTop
INT 16 - KEYBOARD - CHECK FOR KEYSTROKE AH = 01h Return: ZF set if no keystroke available ZF clear if keystroke available AH = BIOS scan code AL = ASCII character Note: if a keystroke is present, it is not removed from the keyboard buffer; however, any extended keystrokes which are not compatible with 83/84- key keyboards are removed by IBM and most fully-compatible BIOSes in the process of checking whether a non-extended keystroke is available some (older) clone BIOSes do not discard extended keystrokes and manage function AH=00h and AH=10h the same the K3PLUS v6.00+ INT 16 BIOS replacement doesn't discard extended keystrokes (same as with functions 10h and 20h), but will always translate prefix E0h to 00h. This allows old programs to use extended keystrokes and should not cause compatibility problems SeeAlso: AH=00h,AH=11h,AH=21h,INT 18/AH=01h,INT 09,INT 15/AH=4FhTop
INT 16 - KEYBOARD - GET SHIFT FLAGS AH = 02h Return: AL = shift flags (see #00582) AH destroyed by many BIOSes SeeAlso: AH=12h,AH=22h,INT 17/AH=0Dh,INT 18/AH=02h,MEM 0040h:0017h Bitfields for keyboard shift flags: Bit(s) Description (Table 00582) 7 Insert active 6 CapsLock active 5 NumLock active 4 ScrollLock active 3 Alt key pressed (either Alt on 101/102-key keyboards) 2 Ctrl key pressed (either Ctrl on 101/102-key keyboards) 1 left shift key pressed 0 right shift key pressed SeeAlso: #00587,#03743,MEM 0040h:0017h,#M0010Top
INT 16 - KEYBOARD - SET TYPEMATIC RATE AND DELAY AH = 03h AL = subfunction 00h set default delay and rate (PCjr and some PS/2) 01h increase delay before repeat (PCjr) 02h decrease repeat rate by factor of 2 (PCjr) 03h increase delay and decrease repeat rate (PCjr) 04h turn off typematic repeat (PCjr and some PS/2) 05h set repeat rate and delay (AT,PS) BH = delay value (00h = 250ms to 03h = 1000ms) BL = repeat rate (00h=30/sec to 0Ch=10/sec [def] to 1Fh=2/sec) 06h get current typematic rate and delay (newer PS/2s) Return: BL = repeat rate (above) BH = delay (above) Return: AH destroyed by many BIOSes Note: use INT 16/AH=09h to determine whether some of the subfunctions are supported SeeAlso: INT 16/AH=09h,AH=29h"HUNTER",AH=2Ah"HUNTER"Top
INT 16 - KEYBOARD - SET KEYCLICK (PCjr only) AH = 04h AL = keyclick state 00h off 01h on Return: AH destroyed by many BIOSes SeeAlso: AH=03h,AH=04h"K3PLUS"Top
INT 16 - Tandy 2000 - KEYBOARD - FLUSH KEYBOARD BUFFER AH = 04h Note: this interrupt is identical to INT 51 on the Tandy 2000 SeeAlso: INT 16/AH=00h,INT 16/AH=02h,INT 16/AH=05h"Tandy 2000" SeeAlso: INT 51"Tandy 2000"Top
INT 16 - K3PLUS v6.22+ - SET KEYCLICK AH = 04h AL = keyclick state 00h keyclick off, leave loudness setting unchanged 01h keyclick on, leave loudness setting unchanged else bit 0: keyclick enabled if set bits 7-1: new keyclick loudness (non-zero) Return: AH destroyed by many BIOSes Note: Applications which try to set a new loudness, but are unsure of the results of other INT 16/AH=04h implementations, should set the new loudness first, and then call this function again with AL=01h or AL=00h SeeAlso: AH=03h,AH=04h"KEYBOARD",AX=AF4DhTop
INT 16 - KEYBOARD - STORE KEYSTROKE IN KEYBOARD BUFFER (AT/PS w enh keybd only) AH = 05h CH = BIOS scan code CL = ASCII character Return: AL = status 00h if successful 01h if keyboard buffer full AH destroyed by many BIOSes Notes: under DESQview, a number of "keystrokes" invoke specific DESQview-related actions when they are read from the keyboard buffer (see #00583) similarly, some "keystrokes" invoke special functions on the HP 100LX and HP 200LX (see #00584) SeeAlso: AH=00h,AH=25h"K3",AH=71h,AX=AF4Dh,AH=FFh,INT 15/AX=DE10h SeeAlso: MEM 0040h:001Eh (Table 00583) Values for pseudo-keystrokes for DESQview: 38FBh or FB00h switch to next window (only if main menu already popped up) 38FCh or FC00h pop up DESQview main menu 38FEh or FE00h close the current window 38FFh or FF00h pop up DESQview learn menu (Table 00584) Values for pseudo-keystrokes for HP 100LX/200LX: EE00h pop up topcard display and set other system manager applications into sleep modeTop
INT 16 - KEYBOARD - SELECT KEYBOARD LAYOUT (PCjr only) AH = 05h AL = function 01h set keyboard layout to French 02h set keyboard layout to German 03h set keyboard layout to Italian 04h set keyboard layout to Spanish 05h set keyboard layout to UK 80h check if function supported Return: AL <> 80h if supported Return: ??? AH destroyed by many BIOSes Note: this function is called by the DOS 3.2 KEYBxx.COM SeeAlso: AH=92h,AH=A2h,AX=AF4DhTop
INT 16 - Tandy 2000 - KEYBOARD - RESET KEYBOARD AH = 05h Desc: reset the keyboard and flush the keyboard buffer Note: this interrupt is identical to INT 51 on the Tandy 2000 SeeAlso: INT 16/AH=00h,INT 16/AH=02h,INT 16/AH=03h,INT 51"Tandy 2000"Top
INT 16 - AAKEYS - GET NEXT KEYBOARD EVENT AX = 0600h Return: CF clear if successful AL = next keyboard event in event buffer, FFh if buffer overflowed CF set on error AL = 00h buffer empty BX destroyed Program: AAKEYS is a TSR by Anthony Appleyard which records keyboard scan codes in a 256-byte buffer in addition to any normal processing which takes place Note: the installation check consists of calling INT 16/AX=06xxh (where 'xx' is any subfunction other than those listed here) and testing whether AX=BEEFh on return SeeAlso: AX=0601h,AX=0602h,AX=0603h,AX=0604hTop
INT 16 - AAKEYS - EMPTY KEY-EVENT BUFFER AX = 0601h Return: nothing SeeAlso: AX=0600h,AX=0602h,AX=0603h,AX=0604hTop
INT 16 - AAKEYS - DISABLE AAKEYS AX = 0602h Return: AX,DX destroyed Desc: restores INT 09 and INT 16 and clears the TSRs signature byte SeeAlso: AX=0600h,AX=0601h,AX=0603h,AX=0604hTop
INT 16 - AAKEYS - GET KEY-EVENT BUFFER AX = 0603h Return: ES:BX -> 256-byte circular key-event buffer ES:[AX] = offset of head of buffer ES:[AX+1] = offset of tail of buffer SeeAlso: AX=0600h,AX=0601h,AX=0602h,AX=0604hTop
INT 16 - AAKEYS - EMPTY BIOS KEYBOARD BUFFER AX = 0604h Return: AX destroyed SeeAlso: AX=0600h,AX=0601h,AX=0602h,AX=0603hTop
INT 16 - KEYBOARD - GET KEYBOARD FUNCTIONALITY AH = 09h Return: AL = supported keyboard functions (see #00585) AH destroyed by many BIOSes Note: this function is only available if bit 6 of the second feature byte returned by INT 15/AH=C0h is set (see #00509) SeeAlso: AH=03h,AH=0Ah,AH=10h,AH=11h,AH=12h,AH=20h,AH=21h,AH=22h,INT 15/AH=C0h Bitfields for supported keyboard functions: Bit(s) Description (Table 00585) 7 reserved 6 INT 16/AH=20h-22h supported (122-key keyboard support) 5 INT 16/AH=10h-12h supported (enhanced keyboard support) 4 INT 16/AH=0Ah supported 3 INT 16/AX=0306h supported 2 INT 16/AX=0305h supported 1 INT 16/AX=0304h supported 0 INT 16/AX=0300h supported SeeAlso: #00511Top
INT 16 - KEYBOARD - GET KEYBOARD ID AH = 0Ah Return: BX = keyboard ID (see #00586) AH destroyed by many BIOSes Notes: check return value from AH=09h to determine whether this function is supported this function is also supported by the K3PLUS v6.00+ INT 16 BIOS replacement SeeAlso: AH=09h,AX=AF4Dh,MEM 0040h:00C2h"AMI" (Table 00586) Values for keyboard ID: 0000h no keyboard attached 41ABh Japanese "G" keyboard (translate mode) MF2 Keyboard (usually in translate mode) 54ABh Japanese "P" keyboard (translate mode) 83ABh Japanese "G" keyboard (pass-through mode) MF2 Keyboard (pass-through mode) 84ABh Japanese "P" keyboard (pass-through mode) 86ABh 122-key keyboard 90ABh old Japanese "G" keyboard 91ABh old Japanese "P" keyboard 92ABh old Japanese "A" keyboardTop
INT 16 - KEYBOARD - GET ENHANCED KEYSTROKE (enhanced kbd support only) AH = 10h Return: AH = BIOS scan code AL = ASCII character Notes: if no keystroke is available, this function waits until one is placed in the keyboard buffer the BIOS scan code is usually, but not always, the same as the hardware scan code processed by INT 09. It is the same for ASCII keystrokes and most unshifted special keys (F-keys, arrow keys, etc.), but differs for shifted special keys. unlike AH=00h, this function does not discard extended keystrokes INT 16/AH=09h can be used to determine whether this function is supported, but only on later model PS/2s SeeAlso: AH=00h,AH=09h,AH=11h,AH=20h,MEM 0040h:0019h,MEM 0040h:001EhTop
INT 16 - KEYBOARD - CHECK FOR ENHANCED KEYSTROKE (enh kbd support only) AH = 11h Return: ZF set if no keystroke available ZF clear if keystroke available AH = BIOS scan code AL = ASCII character Notes: if a keystroke is available, it is not removed from the keyboard buffer unlike AH=01h, this function does not discard extended keystrokes some versions of the IBM BIOS Technical Reference erroneously report that CF is returned instead of ZF INT 16/AH=09h can be used to determine whether this function is supported, but only on later model PS/2s SeeAlso: AH=01h,AH=09h,AH=10h,AH=21h,INT 09,INT 15/AH=4FhTop
INT 16 - KEYBOARD - GET EXTENDED SHIFT STATES (enh kbd support only) AH = 12h Return: AL = shift flags 1 (same as returned by AH=02h) (see #00587) AH = shift flags 2 (see #00588) Notes: AL bit 3 set only for left Alt key on many machines AH bits 7 through 4 always clear on a Compaq SLT/286 INT 16/AH=09h can be used to determine whether this function is supported, but only on later model PS/2s many BIOSes (including at least some versions of Phoenix and AMI) will destroy AH on return from functions higher than AH=12h, returning 12h less than was in AH on entry (due to a chain of DEC/JZ instructions) SeeAlso: AH=02h,AH=09h,AH=22h,AH=51h,INT 17/AH=0Dh,MEM 0040h:0017h Bitfields for keyboard shift flags 1: Bit(s) Description (Table 00587) 7 Insert active 6 CapsLock active 5 NumLock active 4 ScrollLock active 3 Alt key pressed (either Alt on 101/102-key keyboards) 2 Ctrl key pressed (either Ctrl on 101/102-key keyboards) 1 left shift key pressed 0 right shift key pressed SeeAlso: #00582,#00588,MEM 0040h:0017h,#M0010 Bitfields for keyboard shift flags 2: Bit(s) Description (Table 00588) 7 SysReq key pressed (SysReq is often labeled SysRq) 6 CapsLock pressed 5 NumLock pressed 4 ScrollLock pressed 3 right Alt key pressed 2 right Ctrl key pressed 1 left Alt key pressed 0 left Ctrl key pressed SeeAlso: #00587,MEM 0040h:0018h,#M0011Top
INT 16 - DOS/V - DOUBLE-BYTE CHARACTER SET SHIFT CONTROL AH = 13h AL = function 00h set shift status DX = shift status (see #00589), must preserve internal status bits 01h get shift status Return: DX = current shift status (see #00589) Note: these functions are supplied by the Japanese Front-End Processor SeeAlso: AH=14h,INT 21/AX=6301h Bitfields for DOS/V shift status: Bit(s) Description (Table 00589) 0 full-size rather than half-size 2-1 character input mode 00 alphanumeric, 01 Katakana, 10 Hiragana, 11 unused 5-3 internal status 6 Romaji enabled 7 Katakana to Kanji conversion enabled 15-8 internal statusTop
INT 16 - DOS/V - SHIFT STATUS DISPLAY CONTROL AH = 14h AL = function 00h enable display 01h disable display 02h get display state Return: AL = current state (00h enabled, 01h disabled) Desc: control the screen-bottom shift status row(s) for the Japanese Front-End Processor SeeAlso: AH=13h,INT 10/AH=19h,INT 10/AH=1DhTop
INT 16 - KEYBOARD - GET 122-KEY KEYSTROKE (122-key kbd support only) AH = 20h Return: AH = BIOS scan code (see AH=10h) AL = ASCII character Note: use AH=09h to determine whether this function is supported SeeAlso: AH=00h,AH=09h,AH=10h,AH=21h,AH=22hTop
INT 16 - HUNTER 16 - SET TEMPORARY SHIFT AH = 20h AL = shift status (see #00590) Notes: the Husky Hunter 16 is an 8088-based ruggedized laptop. Other family members are the Husky Hunter, Husky Hunter 16/80, and Husky Hawk. the user can override the specified settings by pressing the keys Bitfields for HUNTER 16 shift status: Bit(s) Description (Table 00590) 4 Scroll Lock on 5 Num Lock on 6 Caps Lock onTop
INT 16 O - K3 v1.5x, K3PLUS v5.xx - GET EXTENDED BUFFER STATE AH = 20h Return: AX = K3 version ES:BX -> extended keyboard buffer start ES:DX -> extended keyboard buffer end ES:SI -> next keystroke ES:DI -> last keystroke in buffer CX = number of keystrokes in buffer Program: K3PLUS is an extended keyboard driver by Matthias Paul and Axel C. Frinke, originally based on the K3 extended German keyboard driver by Martin Gerdes published in c't magazine in 1988 Note: this function was normally unsupported under K3PLUS v6.00-v6.22 and is no longer supported by v6.30+; use AX=AF20h instead SeeAlso: AH=25h"K3",AX=AF20h,INT 2F/AX=D44Fh/BX=0000h,INT 2F/AX=ED58hTop
INT 16 - KEYBOARD - CHECK FOR 122-KEY KEYSTROKE (122-key kbd support only) AH = 21h Return: ZF set if no keystroke available ZF clear if keystroke available AH = BIOS scan code AL = ASCII character Notes: use AH=09h to determine whether this function is supported some versions of the IBM BIOS Technical Reference erroneously report that CF is returned instead of ZF K3PLUS v6.00+ supports this function as an alias of AH=11h SeeAlso: AH=01h,AH=09h,AH=11h,AH=20h,AH=21hTop
INT 16 - HUNTER 16 - CONTROL SHIFT KEYS AH = 21h AL = shift keys to control (see #00582) BL = shift state for disabled keys Note: If a bit in AL is set the key is disabled and set to the state of the corresponding bit in BL SeeAlso: AH=20h"HUNTER",AH=22h"HUNTER"Top
INT 16 - KEYBOARD - GET 122-KEY SHIFT STATUS (122-key kbd support only) AH = 22h Return: AL = shift flags 1 (see #00587) AH = shift flags 2 (see #00588) Notes: use AH=09h to determine whether this function is supported K3PLUS v6.00+ supports this function as an alias of AH=12h SeeAlso: AH=02h,AH=09h,AH=12h,AH=20h,AH=21hTop
INT 16 - HUNTER 16 - CONTROL CTRL-ALT-DEL AH = 22h AL = new Ctrl-Alt-Del state (00h enabled, nonzero disabled) BX = 0708h CX = 0910h DX = 1112h Return: AL = 00h if successful SeeAlso: AH=21h"HUNTER",AH=23h"HUNTER",AH=2AhTop
INT 16 - HUNTER 16 - CONTROL EMERGENCY BREAKOUT AH = 23h AL = new state of breakout (00h enabled, nonzero disabled) BX = 0708h CX = 0910h DX = 1112h Return: AL = 00h if successful Desc: Enables or disables the emergency breakout feature, where the Hunter 16 at power on checks whether the X and P keys are pressed. If so the machine will boot rather than continue the running program SeeAlso: AH=22h"HUNTER"Top
INT 16 - HUNTER 16 - REDEFINE KEY CODES AH = 24h AL = Matrix Code (see #00591) BL = new Key code Return: AL = status (00h successful, nonzero failed) SeeAlso: AH=2Bh,AH=2Ch (Table 00591) Values for HUNTER 16 Matrix Code: Code Key Code Key Code Key 00h Esc key 1Eh Space 3Bh L 01h 1 21h 0 3Ch , 02h Q 22h - 3Eh Right shift 03h Tab 23h ' 42h 8 04h Num Lock 24h Keypad 4 43h 7 05h \ 25h Enter 44h U 08h LShift 26h Keypad 7 45h I 09h Ctrl 27h . 46h J 0Ah "Paw" key 28h Keypad 1 47h K 0Bh 2 29h Keypad 0 48h M 0Ch W 2Ch = 49h N 0Dh A 2Dh Backspace 4Ah / 0Eh S 2Eh Keypad 8 4Dh 6 0Fh Z 2Fh Keypad 9 4Eh 5 11h Alt 30h Keypad 5 4Fh T 16h 4 31h Keypad 6 50h Y 17h 3 32h Keypad 2 51h G 18h E 33h Keypad 3 52h H 19h R 34h Keypad . 53h B 1Ah D 37h 9 54h V 1Bh F 38h O 55h # 1Ch X 39h P 58h Pwr 1Dh C 3Ah ; 59h Shift PwrTop
INT 16 - HUNTER 16 - RESET KEYBOARD AH = 25h Return: AL = 00h Desc: restores the standard keyboard layout after any remapping SeeAlso: AH=24h,AH=2Bh,AH=2ChTop
INT 16 O - K3 v1.5x, K3PLUS v5.xx - COPY INTO EXTENDED BUFFER AH = 25h CX = number of keystrokes to copy ES:SI -> buffer containing keystrokes Return: CF clear if successful CF set on error (i.e. buffer full) CX = number of keystrokes NOT transferred ES:SI -> first keystroke not transferred Note: this function was normally unsupported under K3PLUS v6.00-v6.22 and is no longer supported by v6.30+; use AX=AF25h instead SeeAlso: AH=05h,AH=20h"K3",AX=AF25h,INT 2F/AX=D44Fh/BX=0001hTop
INT 16 - HUNTER 16 - CONTROL KEYCLICK AH = 26h AL = new state of keyclicks (00h disabled, 01h enabled) Return: AL = 00h SeeAlso: AH=2AhTop
INT 16 - HUNTER 16 - CONTROL SCREEN DUMP AREA AH = 27h AL = what to dump 00h whole (virtual) window 01h LCD window only Return: AL = 00h Desc: control whether printscren dumps the whole 80x25 screen or only the part displayed in the LCD window Note: the Hunter 16 has a 240x64 LCD display which serves as a window into a 640x200 virtual screenTop
INT 16 - HUNTER 16 - GET KEY REPEAT AH = 29h Return: BL = Typematic rate (characters per second) (see #00592) BH = delay (00h = 250ms, 01h = 500ms, 02h = 750ms, 03h = 1s) SeeAlso: AH=03h,AH=2Ah (Table 00592) Values for HUNTER 16 Typematic rate: 00h 30.0 08h 15.0 10h 7.5 18h 3.7 01h 26.7 09h 13.3 11h 6.7 19h 3.3 02h 24.0 0Ah 12.0 12h 6.0 1Ah 3.0 03h 21.8 0Bh 10.9 13h 5.5 1Bh 2.7 04h 20.0 0Ch 10.0 14h 5.0 1Ch 2.5 05h 18.5 0Dh 9.2 15h 4.6 1Dh 2.3 06h 17.1 0Eh 8.6 16h 4.3 1Eh 2.1 07h 16.0 0Fh 8.0 17h 4.0 1Fh 2.0 SeeAlso: AH=2AhTop
INT 16 - HUNTER 16 - CONTROL KEY REPEAT AH = 2Ah AL = new state of keyboard autorepeat (00h disabled, 01h enabled) SeeAlso: AH=03h,AH=26h,AH=29h,AH=2BhTop
INT 16 - HUNTER 16 - REDEFINE KEY SCAN CODES AH = 2Bh AL = which key table to redefine 00h unshifted 01h shifted 02h Numlock BH = standard scan code of key (00h-80h) BL = new scan code Desc: redefine the generated scan code from BH to BL SeeAlso: AH=24h,AH=2Ah,AH=2ChTop
INT 16 - HUNTER 16 - REDEFINE RAW KEY CODES AH = 2Ch AL = Matrix code of key (see AH=29h) BL = new key code Return: AL = status (00h success, nonzero failed) Desc: redefine the key code generated by holding the PAW key down and pressing the key in AL SeeAlso: AH=24h,AH=2BhTop
INT 16 - HUNTER 16 - CONTROL BREAK KEYS AH = 2Dh AL = enabled break keys bit 0 Ctrl-C bit 1 Ctrl-Break BX = 0708h CX = 0910h DX = 1112h Return: AL = status (00h success, FFh failed) SeeAlso: AH=21h"HUNTER"Top
INT 16 U - TextWare TWTSR - API AX = 3577h CX = function 00CBh ??? Return: AX = 0000h BX = 0000h DX:CX -> ??? 00CCh uninstall Return: AX = status 0000h successful FFFDh unable to unload because vectors taken 00CDh ??? Return: AX = 0000h BX = 0000h DX:CX -> ??? other Return: AX = 5345h ('SE') Program: TWTSR is a TSR which allows the TextWare hypertext browser to be popped up via hotkey SeeAlso: AX=D724hTop
INT 16 - TEXTCAP 2.0 - INSTALLATION CHECK AX = 4252h Return: AX = 5242h if installed Program: TEXTCAP 2.0 is a heavily modified (by Gisbert W. Selke) version of the PC Magazine utility CAPTURE written by Tom Kihlken SeeAlso: AX=4253h,AX=4254hTop
INT 16 - TEXTCAP 2.0 - UNINSTALL AX = 4253h Return: AX = segment of resident code Notes: the uninstall code does not check whether interrupt vectors have been chained by other programs the caller must free the main memory block (using the returned segment) SeeAlso: AX=4252h,AX=4254hTop
INT 16 - TEXTCAP 2.0 - DUMP TEXT SCREEN TO FILE AX = 4254h Return: AX = status 4254h if screen dump will be written as soon as disk becomes idle 5442h if screen dump written SeeAlso: AX=4252h,AX=4253hTop
INT 16 - Shamrock Software EMAIL - GET STATUS AX = 4500h DL = port number (01h = COM1) ES:BX -> 13-byte buffer for ASCIZ name Return: AX = 4D00h if EMAIL installed on specified port ES:BX -> "" if no connection -> "*" if connection but caller has not identified name -> name otherwise CX = version (CH = major, CL = minor) DL = privilege level of user (00h = guest) DH = chosen language (00h German, 01h English) SeeAlso: AX=4501h,AX=4502hTop
INT 16 - Shamrock Software EMAIL - GET ELAPSED ONLINE TIME AND MAXIMUM TIME AX = 4501h DL = port number (01h = COM1) Return: AX = 4D00h if EMAIL installed on specified port BX = maximum connect time in clock ticks CX = maximum connect time for guests (without name) in clock ticks DX = elapsed connect time of current user in clock ticks SeeAlso: AX=4500hTop
INT 16 - Shamrock Software EMAIL - GET CURRENT COMMUNICATIONS PARAMETERS AX = 4502h DL = port number (01h = COM1) Return: AX = 4D00h if EMAIL installed on specified port BL = current value of serial port's Line Control Register BH = flags (see #00593) CX = selected country code (33 = France, 49 = Germany, etc) DX = baudrate divisor (115200/DX = baudrate) SeeAlso: AX=4500h Bitfields for Shamrock Software EMAIL flags: Bit(s) Description (Table 00593) 0 ISO code 1 pause 2 linefeed 3 ANSI sequencesTop
INT 16 - Shamrock Software EMAIL - SPECIFY COMMAND-WORD FOR USER FUNCTION AX = 4503h DL = port number (01h = COM1) DH = maximum execution time in clock ticks (00h = 5 seconds) ES:BX -> ASCIZ string with new user command-word Return: AX = 4D00h if EMAIL installed on specified port Notes: a single user command (consisting of only uppercase letters and digits) may be defined, and remains valid until it is overwritten or the EMAIL program terminates; the user command must be activated by calling AX=4504h at least once. an existing command word may be redefined with this function SeeAlso: AX=4504h,AX=4505hTop
INT 16 - Shamrock Software EMAIL - CHECK FOR USER FUNCTION COMMAND-WORD AX = 4504h DL = port number (01h = COM1) ES:BX -> 80-byte buffer for ASCIZ user input line Return: AX = 4D00h if EMAIL installed on specified port DL = flags bit 0: user function supported (always set) bit 1: user entered user-function command word if DL bit 1 set, ES:BX buffer contains line entered by user which begins with the defined command word and has been converted to all caps Note: caller must process the returned commandline and invoke AX=4505h within five seconds with the result of that processing SeeAlso: AX=4503h,AX=4505hTop
INT 16 - Shamrock Software EMAIL - SEND RESULT OF USER FUNCTION AX = 4505h DL = port number (01h = COM1) DH = error flag bit 3: set on error ES:BX -> ASCIZ text to return to user, max 1024 bytes Return: AH = 4Dh if EMAIL installed on specified port AL = status 00h successful 02h unable to perform function (timeout, prev call not complete) other error Notes: if the error flag in DH is set, the string is not sent and an error message is generated instead; if this function is not called within five seconds of AX=4504h, EMAIL automatically generates an error message the string is copied into an internal buffer, allowing this function's caller to continue immediately SeeAlso: AX=4503h,AX=4504h,INT 17/AX=2400hTop
INT 16 - Shamrock Software EMAIL - MONITOR XMODEM DOWNLOAD AX = 4506h DL = port number (01h = COM1) ES:BX -> 13-byte buffer for ASCIZ filename Return: AX = 4D00h if EMAIL installed on specified port DH = Xmodem status 00h no XGET command given 01h XGET in progress 02h XGET completed successfully ES:BX buffer filled with last filename given to XGET command (without path) Note: DH=02h will only be returned once per XGET; subsequent calls will return DH=00h SeeAlso: AX=4500h,INT 17/AX=2408hTop
INT 16 - Frank Klemm Keyboard Driver v2.0 - API AH = 4Bh CX = code or action 0000h-FEFFh key code FF00h-FFFFh action (see #00594) BL = scan code (normal keys) or scan code + 60h (enhanced keys) BH = shift state (see #00595) Return: CX = previous code or action (Table 00594) Values for Frank Klemm Keyboard Driver action code: FF00h no action FF01h hardcopy FF02h left shift FF03h right shift FF04h left Ctrl FF05h right Ctrl FF06h left Alt FF07h right Alt / AltGr FF08h CapsLock FF09h NumLock FF0Ah ScrlLock FF0Bh Insert (returns code 5200h or 52E0h) FF0Ch Pause FF0Dh Ctrl-Break function FF0Eh warm boot via far jump to F000h:FFF0h FF0Fh terminate current program FF10h key for entering keys via Alt-numpad (read-only) FF11h clear keyboard buffer FF12h reset (warmboot on XT) FF13h mouse sensitivity (read-only) FF14h keyjobs (read-only) FF15h SysRq FF16h turn on CPU cache (486+) FF17h turn off CPU cache (486+) SeeAlso: #00595 (Table 00595) Values for Frank Klemm Keyboard Driver shift state: 00h no shift keys 01h either Shift 02h either Ctrl 03h left Alt 04h Ctrl + Alt ---standard keyboard--- 05h right Alt / AltGr ---Russian keyboard--- 05h Russian + no shift keys 06h Russian + either Shift SeeAlso: #00594Top
INT 16 - M16_KBD.COM v5.6 - INSTALLATION CHECK AX = 4D4Fh Return: AX = 6F6Dh if installed ES = segment of resident code Program: M16_KBD is a shareware Cyrillic keyboard driver by I.V. Morozov SeeAlso: INT 10/AX=1130h/BX=4D4FhTop
INT 16 - KEYBOARD - AX PC - SET KEYBOARD COUNTRY CODE AX = 5000h BX = country code 0001h USA (English), 0051h Japan Return: AL = status 00h successful 01h bad country code 02h other error Notes: This function is called with BX=0051h by Japanese versions of MS-DOS/PC DOS/DR DOS IO.SYS/IBMBIO.COM at initialization time. the K3PLUS v6.00+ INT 16 BIOS replacement will switch between the supported country specific layout (e.g. BX=0031h Germany, BX=001Fh Netherlands, BX=0020h Belgium, BX=0022h Spain) (as with <Ctrl>+ <Alt>+<F2>) and K3PLUS' transparent mode (as with <Ctrl>+<Alt>+<F1>). In transparent mode (BX=0001h), K3PLUS chains to the underlying driver (normally the BIOS driver with US-layout). K3PLUS beeps on mode changes SeeAlso: AX=5001h,AX=AF4Dh,INT 10/AX=5000h,INT 17/AX=5000hTop
INT 16 - KEYBOARD - AX PC - GET KEYBOARD COUNTRY CODE AX = 5001h Return: AL = status 00h successful BX = country code 02h error Note: also supported by K3PLUS v6.00+ SeeAlso: AX=5000h,INT 10/AX=5001h,INT 17/AX=5001hTop
INT 16 - KEYBOARD - AX PC - READ SHIFT KEY STATUS AH = 51h Return: AL = standard shift key states (see #00582,#00587) AH = Kana lock (00h off, 01h on) Note: also supported by K3PLUS v6.00+, but K3PLUS always returns AH=00h SeeAlso: AH=02h,AH=12h,AH=22hTop
INT 16 - TSRBONES - INSTALLATION CHECK AX = 5453h ('TS') BX = 5242h ('RB') CX = 4F4Eh ('ON') DX = 4553h ('ES') Return: AX = 4553h if installed BX = 4F4Eh if installed CX = 5242h if installed DX = 5453h if installed Program: TSRBONES is a skeletal TSR framework by Robert Curtis Davis Note: these values are the default as the TSRBONES package is distributed, but will normally be changed when implementing an actual TSR with the TSRBONES skeleton SeeAlso: INT 2D/AL=00h"AMIS"Top
INT 16 - TrLit - API AX = 5472h ('Tr') BX = 4C54h ('Lt') CL = function 00h installation check Return: DX = 1234h if installed AX = 100*version (binary, 00E9h = v2.33) CX = resident code segment 01h get original INT 09 vector Return: ES:BX -> previous handler 02h get original INT 16 vector Return: ES:BX -> previous handler else chained CH = 00h (for backward compatibility with versions before 2.30) Program: TrLit is a Russian keyboard transliterator by Rostislav Krasny Index: installation check;TrLitTop
INT 16 C - Microsoft Word internal - MICROSOFT WORD COOPERATION WITH TSR AX = 5500h Return: AX = 4D53h ('MS') if keyboard TSR present Notes: during startup, Microsoft Word tries to communicate with any TSRs that are present through this call. if the return is not 4D53h, Word installs its own INT 09 and INT 16 handlers; otherwise it assumes that the TSR will handle the keyboard SeeAlso: AX=55FFh,INT 1A/AX=3601hTop
INT 16 CU - Microsoft QBASIC internal - MICROSOFT COOPERATION WITH TSR AX = 55FEh DX = function 0000h initialize ES:BX -> ??? function ES:CX -> ??? structure FFFFh shutdown/reset Return: AX = result 4D4Bh only the INT 1B handler will be installed. other: handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed Notes: The pointer in ES:CX seems to point at a structure defining a callback function when new keyboard keys are pressed. If a TSR returns AX=4D4Bh, QBASIC will stop (with IRQ's and interrupts enabled). these calls are also made by MS-DOS 6.0's DOSSHELL at startup, exit, and before/after shelling out since EDIT.COM and HELP.COM merely invoke QBASIC, those two programs will also cause this interface to be invoked K3PLUS v6.07+ supports this function, but will never invoke the callback function SeeAlso: AX=5500h,AX=AF4Dh,INT 1A/AX=3601hTop
INT 16 C - Microsoft Word - TSR COOPERATION??? AX = 55FFh BX >= 0004h (version of Microsoft Word [BL = major] ???) CX = function 0000h set ??? flag other clear ??? flag Notes: hooks intercepting this call are present in SWAPSH and SWAPDT v1.77j, distributed with PC Tools v7, as well as the Trusted Access SCRNBLNK.COM; this may be part of the standard TesSeRact library known to be called by the German edition of Microsoft Word 5.0 SeeAlso: AX=5500h,INT 2F/AX=5453hTop
INT 16 U - Netroom CACHECLK - INSTALLATION CHECK AX = 5758h BX = 4858h ('HX') DX = 4443h ('DC') CX <> 5758h Return: BX = 6878h if installed CX = 6463h if installed AX = code segment of TSR CX = internal version??? (v3.00 returns 0100h) Program: CACHECLK is a "cloaked" disk cache included with Netroom Notes: if CX=5758h on entry, CACHECLK returns with all registers unchanged the cache statistics are located early in the segment pointed at by AX on return SeeAlso: INT 2F/AX=5758hTop
INT 16 U - Netroom ??? - ??? AX = 5758h BX = 5754h ??? Return: ???Top
INT 16 U - Netroom ??? - ??? AX = 5758h BX = 5755h DS:SI -> ??? Return: ???Top
INT 16 U - Netroom ??? - INSTALLATION CHECK AX = 5758h BX = 5756h Return: BX <> 5756h if installedTop
INT 16 U - Netroom PRENET - GET OLD INTERRUPT VECTORS AX = 5758h BX = 5858h Return: CF clear DX:BX -> saved copy of interrupt vector table InstallCheck: call this function and compare BX against 5858h on return; if it has changed, PRENET is installed SeeAlso: AX=5758h/BX=5859h Index: installation check;Netroom PRENETTop
INT 16 U - Netroom POSTNET - GET OLD INTERRUPT VECTORS AX = 5758h BX = 5859h Return: CF clear DX:BX -> saved copy of interrupt vector table InstallCheck: call this function and compare BX against 5859h on return; if it has changed, POSTNET is installed SeeAlso: AX=5758h/BX=5858h Index: installation check;Netroom POSTNETTop
INT 16 - Doorway v2.x+ - INSTALLATION CHECK / REDIRECTION CONTROLa AH = 67h AL = Doorway mode 00h turn off DOS redirection 01h turn on DOS redirection Return: AH = 80h if Doorway is actively redirecting output AL = 80h if Doorway was already in requested mode Program: Doorway is a program by Marshall Dudley which allows most DOS programs to run as a BBS door without modification Note: to perform an installation check without changing the redirection state, if is necessary to restore the original mode if AL was not 80h on return SeeAlso: INT 10/AH=BBh"Doorway"Top
INT 16 - PC Tools v5.1+ BACKTALK - UNHOOK AX = 6969h BX = 6968h Return: resident code unhooked, but not removed from memory Index: uninstall;BACKTALKTop
INT 16 - PC Tools v5.1+ BACKTALK - INSTALLATION CHECK AX = 6969h BX = 6969h DX = 0000h Return: DX nonzero if installed BX = CS of resident code DX = PSP segment of resident code DS:SI -> ASCIZ identification string "CPoint Talk"Top
INT 16 U - FastJuice - DISABLE/UNLOAD??? AX = 6A6Bh Return: ??? Program: FastJuice is a resident battery-power monitor by SeaSide Software SeeAlso: AX=7463h Index: uninstall;FastJuiceTop
INT 16 U - TMED v1.6a - INSTALLATION CHECK AX = 6C63h ('lc') Return: AX = 4C43h ('LC') if installed Program: TMED is a freeware resident memory editor by Liang ChenTop
INT 16 - MTRTSR - INSTALLATION CHECK AX = 6D74h ('mt') Return: AX = 4D54h ('MT') if installed Program: MTRTSR is a part of the shareware MTR package by Mechon Mamre which permits searching the large corpus of classical Hebrew texts in the package SeeAlso: INT 10/AX=6D74h"MTRFONTS"Top
INT 16 - HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS INSTALLATION CHECK AX = 6F00h BX <> 4850h (usually set to 0000h for simplicity) Return: BX = 4850h ("HP") if present Notes: called by recent MS Mouse drivers looking for an HP-HIL mouse supported by the original HP Vectra AT and ES/QS/RS series HP Vectras SeeAlso: AX=6F01h,AX=6F04h,AX=6F07h,AX=6F09h,AX=6F0Dh,AX=6F11h,AX=6F12h SeeAlso: INT 14/AX=6F00h,INT 17/AX=6F00h,INT 33/AX=6F00h SeeAlso: INT 6F/AH=00h"HP Vectra"Top
INT 16 - HP Vectra EX-BIOS - "F16_DEF_ATTR" - GET DEFAULT TYPEMATIC VALUES AX = 6F01h Return: AH = 00h (successful) CX = 0004h (size of returned buffer) ES:SI -> buffer for typematic info (see #00596) Note: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras SeeAlso: AX=6F00h,AX=6F02h,AX=6F03h,AX=6F04h Format of HP Vectra EX-BIOS typematic info: Offset Size Description (Table 00596) 00h BYTE delay before repeat for all non-Cursor Control Pad keys (see #00597) 01h BYTE typematic rate for all non-Cursor Control Pad keys (see #00598) 02h BYTE delay before repeat for Cursor Control Pad keys (see #00599) 03h BYTE typematic rate for Cursor Control Pad keys (see #00598) (Table 00597) Values for HP Vectra EX-BIOS non-CCP delay time: 00h 17 ms 01h 150 ms 02h 283 ms 03h 417 ms 04h 550 ms 05h 683 ms 06h 817 ms 07h 950 ms 08h 1083 ms 09h 1217 ms 0Ah 1350 ms 0Bh 1483 ms 0Ch 1617 ms 0Dh 1750 ms 0Eh 1883 ms 0Fh 2017 ms Note: the above values assume that the key repeat rate has been set to 60 Hz; double the times if set to 30 Hz SeeAlso: #00596,#00598,#00599 (Table 00598) Values for HP Vectra EX-BIOS typematic rate: 00h 60 / sec 01h 30 / sec 02h 20 03h 15 04h 12 05h 10 06h 8.57 07h 7.5 08h 6.66 09h 6 / sec 0Ah 5.45 0Bh 5 0Ch 4.62 0Dh 4.28 0Eh 4 / sec 0Fh typematic disabled Note: the above values assume that the key repeat rate has been set to 60 Hz; halve the rates if set to 30 Hz SeeAlso: #00597,#00599 (Table 00599) Values for HP Vectra EX-BIOS CCP delay time: 00h 17 ms 01h 83 ms 02h 150 ms 03h 217 ms 04h 283 ms 05h 350 ms 06h 417 ms 07h 483 ms 08h 550 ms 09h 617 ms 0Ah 683 ms 0Bh 750 ms 0Ch 817 ms 0Dh 883 ms 0Eh 950 ms 0Fh 1017 ms Note: the above values assume that the key repeat rate has been set to 60 Hz; double the times if set to 30 Hz SeeAlso: #00597,#00598Top
INT 16 - HP Vectra EX-BIOS - "F16_GET_ATTR" - GET CURRENT TYPEMATIC VALUES AX = 6F02h Return: AH = 00h (successful) CX = 0004h (size of returned buffer) ES:SI -> buffer for typematic info (see #00596) Note: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras SeeAlso: AX=6F00h,AX=6F02h,AX=6F03h,AX=6F04h SeeAlso: AX=6F00h,AX=6F01h,AX=6F03hTop
INT 16 - HP Vectra EX-BIOS - "F16_SET_ATTR" - SET TYPEMATIC VALUES AX = 6F03h ES:SI -> buffer containing typematic info (see #00596) Return: AH = 00h (successful) Note: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras SeeAlso: AX=6F00h,AX=6F02h,AX=6F03h,AX=6F04h SeeAlso: AX=6F00h,AX=6F01h,AX=6F02hTop
INT 16 - HP Vectra EX-BIOS - "F16_DEF_MAPPING" - GET DEFAULT KEY MAPPINGS AX = 6F04h ES:SI -> mapping buffer (see #00600) Return: AH = 00h (successful) CX = 001Eh (number of bytes in buffer) ES:SI buffer filled Notes: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras the HIL input system translates the HIL keyboard events to simulate an IBM-compatible keyboard; the translation can be altered dynamically by applications SeeAlso: AX=6F00h,AX=6F05h,AX=6F06h Format of HP Vectra EX-BIOS keyboard mapping info: Offset Size Description (Table 00600) 00h 3 WORDs entry for V_QWERTY driver (IP, CS, DS) 06h 3 WORDs entry for V_SOFTKEY driver (IP, CS, DS) 0Ch 3 WORDs entry for V_FUNCTION driver 12h 3 WORDs entry for V_NUMPAD driver 18h 3 WORDs entry for V_CCP driverTop
INT 16 - HP Vectra EX-BIOS - "F16_GET_MAPPING" - GET CURRENT KEY MAPPINGS AX = 6F05h ES:SI -> mapping buffer (see #00600) Return: AH = 00h (successful) CX = 001Eh (number of bytes in buffer) ES:SI buffer filled Note: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras SeeAlso: AX=6F04h,AX=6F06hTop
INT 16 - HP Vectra EX-BIOS - "F16_SET_MAPPING" - SET KEY MAPPINGS AX = 6F06h CX = number of bytes in buffer (001Eh) ES:SI -> mapping buffer (see #00600) Return: AH = 00h (successful) Notes: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras any application which modifies the key mappings should restore them before terminating drivers installed with this function are assured of 32 bytes of stack space when they are invoked SeeAlso: AX=6F04h,AX=6F05h,AX=6F07hTop
INT 16 - HP Vectra EX-BIOS - "F16_SET_XLATORS" - SET CCP AND SOFTKEY PADS AX = 6F07h BL = translation to set (see #00601) Return: AH = 00h (successful) Notes: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras this function may no longer work properly if the application has modified the key mappings with AX=6F06h SeeAlso: AX=6F06h,AX=6F09h (Table 00601) Values for HP Vectra keyboard translation specifier: 00h map V_CCP to V_CCPCUR, forcing the cursor pad to return cursor keys 01h map V_CCP to V_CCPNUM, forcing the cursor pad to always return numbers 02h map V_CCP to V_OFF, disabling the cursor pad 03h map V_CCP to V_CCPGID, converting cursor pad keys to GID data 04h map V_CCP to V_RAW, passing cursor pad data untranslated to INT 09 05h map V_SOFTKEY to V_SKEY2KFEY, translating into standard function keys 06h map V_SOFTKEY to V_RAW, passing Softkey scancodes direct to INT 09 07h map V_SOFTKEY to V_OFF, disabling HP Softkeys SeeAlso: #00602 (Table 00602) Values for HP Vectra scancodes and BIOS keycodes for V_RAW translator: INT 09 INT 16 keycode Key scan code Default Shifted Ctrl Alt * (NumPd) 37h 2Ah (Prt Sc) 00/72h 00/37H Sysreq 54h -- -- -- -- CCP-Up 60h 00/D9h 00/BFh 00/A5h 00/8BH CCP-Left 61h 00/DAh 00/C0h 00/A6h 00/8CH CCP-Down 62h 00/DBh 00/C1h 00/A7h 00/8DH CCP-Right 63h 00/DCh 00/C2h 00/A8h 00/8EH CCP-Home 64h 00/DDh 00/C3h 00/A9h 00/8FH CCP-PgUp 65h 00/DEh 00/C4h 00/AAh 00/90H CCP-End 66h 00/DFh 00/C5h 00/ABh 00/91H CCP-PgDn 67h 00/E0h 00/C6h 00/ACh 00/92H CCP-Ins 68h 00/E1h 00/C7h 00/ADh 00/93H CCP-Del 69h 00/E2h 00/C8h 00/AEh 00/94H CCP-CNTR 6Ah 00/E3h 00/C9h 00/AFh 00/95H f1 70h 00/E9h 00/CFh 00/B5h 00/9BH f2 71h 00/EAh 00/D0h 00/B6h 00/9CH f3 72h 00/EBh 00/D1h 00/B7h 00/9DH f4 73h 00/ECh 00/D2h 00/B8h 00/9EH f5 74h 00/EDh 00/D3h 00/B9h 00/9FH f6 75h 00/EEh 00/D4h 00/BAh 00/A0H f7 76h 00/EFh 00/D5h 00/BBh 00/A1H f8 77h 00/F0h 00/D6h 00/BCh 00/A2H Note: only HP-specific codes are listed in this table; see INT 09 for a full list of standard scan codes SeeAlso: #00006,#00601Top
INT 16 - HP Vectra EX-BIOS - "F16_KBD" - GET KEYBOARD INFORMATION AX = 6F08h Return: AH = status 00h successful 02h unsupported (non-HIL, i.e. standard, keyboard) BH = HP-HIL address (HP Vectra AT only???) BL = HP-HIL ID (HP Vectra AT only???) BL = keyboard language (ES/QS/RS only???) (see #00603) Notes: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras the driver's address in the HP_VECTOR_TABLE (see INT 6F/AH=00h) may be computed as (BH-1)*6 + N, where N is the address of the first HP-HIL device driver (see INT 6F/AH=0Ah"F_INQUIRE_FIRST") SeeAlso: AX=6F05h,AX=6F09h,INT 6F/AH=0Ah"F_INQUIRE_FIRST" (Table 00603) Values for HP HIL keyboard language code: 00h reserved 01h Arabic-French 02h Kanji 03h Swiss-French 04h Portugese 05h Arabic 06h Hebrew 07h Canadian-English 08h Turkish 09h Greek 0Ah Thai 0Bh Italian 0Ch Hangul (Korean) 0Dh Dutch 0Eh Swedish 0Fh German 10h Chinese (PRC) 11h Chinese (Taiwan) 12h Swiss (French ii) 13h Spanish 14h Swiss (German ii) 15h Belgian (Flemish) 16h Finnish 17h United Kingdom 18h French-Canadian 19h French-German 1Ah Norwegian 1Bh French 1Ch Danish 1Dh Katakana 1Eh Latin American Spanish 1Fh United States-American 20h-FEh reserved FFh non-HP keyboard (IBM AT keyboard and IBM Enhanced keyboard)Top
INT 16 - HP Vectra EX-BIOS - "F16_KBD_RESET" - RESET KEYBOARD TO DEFAULTS AX = 6F09h Return: AH = 00h (successful) Desc: reset all keyboard mappings to their default translators, and reset typematic values to their defaults Note: supported by the original HP Vectra AT and ES/QS/RS series HP Vectras SeeAlso: AX=6F04h,AX=6F07h,AX=6F08hTop
INT 16 - HP Vectra ES/QS/RS EX-BIOS - READ PROCESSOR SPEED AX = 6F0Ah Return: AH = 00h (successful) BX = speed code 0Bh for low speed (see #00604) 12h for medium speed (see #00604) 0Ch for high speed (see #00604) Note: supported by ES, QS, and RS series of HP Vectras SeeAlso: AX=6F00h (Table 00604) Values for HP Vetra CPU speed: Vectra Low Medium High ES 8 MHz - 8 MHz ES/12 8 MHz - 12 MHz QS/16, RS/16 8 MHz - 16 MHz QS/16S 8 MHz - 16 MHz QS/20, RS/20 8 MHz - 20 MHz RS/20C 5 MHz 10 MHz 20 MHz RS/25C 5 MHz 12.5 MHz 25 MHzTop
INT 16 - HP Vectra ES/QS/RS EX-BIOS - SET PROCESSOR SPEED TO LOW AX = 6F0Bh Return: AH = 00h (successful) Notes: see AX=6F0Ah for speed definitions supported by ES, QS, and RS series of HP Vectras SeeAlso: AX=6F00h,AX=6F0AhTop
INT 16 - HP Vectra ES/QS/RS EX-BIOS - SET PROCESSOR SPEED TO HIGH AX = 6F0Ch Return: AH = 00h (successful) Notes: see AX=6F0Ah for speed definitions supported by ES, QS, and RS series of HP Vectras SeeAlso: AX=6F00h,AX=6F0AhTop
INT 16 - HP Vectra ES/QS/RS EX-BIOS - GET HIL Extended BIOS INTERRUPT NUMBER AX = 6F0Dh Return: AH = interrupt number (default 6Fh, 02h means 6Fh as well) Notes: supported by ES, QS, and RS series of HP Vectras called by MS Windows HPSYSTEM.DRV and HPEBIOS.386 to support the HP-HIL input system SeeAlso: AX=6F00h,AX=6F0Eh,INT 6F/AH=00h"HP Vectra",INT 6F/AH=0Ah"HP"Top
INT 16 - HP Vectra ES/QS/RS EX-BIOS - SET HIL Extended BIOS INTERRUPT NUMBER AX = 6F0Eh BL = new interrupt number (60h-6Fh,78h-7Fh) Return: AH = status (00h = successful) Desc: allows the HIL Extended BIOS software to use a non-default interrupt number in case of an interrupt conflict with another application Notes: supported by ES, QS, and RS series of HP Vectras called by MS Windows HPSYSTEM.DRV and HPEBIOS.386 to support the HP-HIL input system SeeAlso: AX=6F00h,AX=6F0Dh,INT 6F/AH=00h"HP",INT 6F/AH=0Ah"HP"Top
INT 16 - HP Vectras RS/20C and RS/25C - ENABLE MEMORY CACHING AX = 6F0Fh Return: AH = status 00h successful FEh cache subsystem is bad SeeAlso: AX=6F00h,AX=6F10h,AX=6F11hTop
INT 16 - HP Vectras RS/20C and RS/25C - DISABLE MEMORY CACHING AX = 6F10h Return: AH = 00h (successful) SeeAlso: AX=6F00h,AX=6F0Fh,AX=6F11hTop
INT 16 - HP Vectras RS/20C and RS/25C - GET MEMORY CACHING STATE AX = 6F11h Return: AH = 00h (successful) AL bit 0 = cache state 0 cache disabled 1 cache enabled SeeAlso: AX=6F00h,AX=6F0Fh,AX=6F10hTop
INT 16 - HP Vectras RS/20C and RS/25C - SET PROCESSOR SPEED TO MEDIUM AX = 6F12h Return: AH = 00h (successful) Note: see AX=6F0Ah for speed definitions SeeAlso: AX=6F00h,AX=6F0AhTop
INT 16 - FAKEY.COM - INSTALLATION CHECK AH = 70h Return: AX = 1954h if installed Program: FAKEY is a keystroke faking utility by System Enhancement AssociatesTop
INT 16 - FAKEY.COM - PUSH KEYSTROKES AH = 71h CX = number of keystrokes DS:SI -> array of words containing keystrokes to be returned by AH=00h Program: FAKEY is a keystroke faking utility by System Enhancement Associates SeeAlso: AH=05h,AH=72hTop
INT 16 - FAKEY.COM - CLEAR FAKED KEYSTROKES AH = 72h Program: FAKEY is a keystroke faking utility by System Enhancement Associates SeeAlso: AH=71hTop
INT 16 - FAKEY.COM - PLAY TONES AH = 73h CX = number of tones to play DS:SI -> array of tones (see #00605) Program: FAKEY is a keystroke faking utility by System Enhancement Associates SeeAlso: INT 15/AX=1019h Format of FAKEY.COM tone array entries: Offset Size Description (Table 00605) 00h WORD divisor for timer channel 2 02h WORD duration in clock ticksTop
INT 16 U - FastJuice - INSTALLATION CHECK AX = 7463h ("tc") Return: AX = 5443h ("TC") if installed Program: FastJuice is a resident battery-power monitor by SeaSide Software SeeAlso: AX=6A6BhTop
INT 16 - pcANYWHERE III - SET TICK COUNT FOR SCANNING AH = 75h AL = number of ticks between checks for new screen changesTop
INT 16 - pcANYWHERE III - SET ERROR CHECKING TYPE AH = 76h AL = error checking type 00h none 01h fast 02h slowTop
INT 16 - pcANYWHERE III - LOG OFF AH = 77h AL = mode 00h wait for another call 01h leave in Memory Resident Mode 02h leave in Automatic Mode FFh leave in current operating modeTop
INT 16 - WATCH.COM v2.x-v3.0 - INSTALLATION CHECK AX = 7761h ('wa') Return: AX = 5741h ('WA') if installed Note: WATCH.COM is part of the "TSR" package by Kim Kokkonen SeeAlso: INT 21/AX=7761hTop
INT 16 - PC Magazine PUSHDIR.COM - INSTALLATION CHECK AX = 7788h BX = 7789h DS:SI -> signature "PUSHDIR VERSION 1.0" Return: AX = 7789h if installed and signature correct BX = 7788h SI destroyedTop
INT 16 - pcANYWHERE III - CHECK STATUS AH = 79h Return: AX = status FFFFh if resident and active FFFEh if resident but not active FFFDh if in Memory Resident mode FFFCh if in Automatic mode other value if not resident SeeAlso: AX=7B00h,INT 21/AX=2B44hTop
INT 16 - pcANYWHERE III - CANCEL SESSION AH = 7AhTop
INT 16 - pcANYWHERE III - SUSPEND AX = 7B00h SeeAlso: AH=79h,AX=7B01hTop
INT 16 - pcANYWHERE III - RESUME AX = 7B01h SeeAlso: AH=79h,AX=7B00hTop
INT 16 - pcANYWHERE III - GET PORT CONFIGURATION AH = 7Ch Return: AH = port number AL = baud rate (see #00606) SeeAlso: AX=7B00h,AH=7Eh (Table 00606) Values for pcANYWHERE III baud rate: 00h 50 baud 01h 75 baud 02h 110 baud 03h 134.5 baud 04h 150 baud 05h 300 baud 06h 600 baud 07h 1200 baud 08h 1800 baud 09h 2000 baud 0Ah 2400 baud 0Bh 4800 baud 0Ch 7200 baud 0Dh 9600 baud 0Eh 19200 baud SeeAlso: #00309Top
INT 16 - pcANYWHERE III - GET/SET TERMINAL PARAMETERS AH = 7Dh AL = subfunction 00h set terminal parameters 01h get terminal parameters 02h get configuration header and terminal parameters DS:CX -> terminal parameter block SeeAlso: AH=7Ch,AH=7EhTop
INT 16 - pcANYWHERE III - COMMUNICATIONS I/O THROUGH PORT AH = 7Eh AL = subfunction 01h port input status Return AX = 0 if no characer ready, AX = 1 if character ready 02h port input character Return AL = received character 03h port output character in CX 11h hang up phone SeeAlso: AH=7ChTop
INT 16 - pcANYWHERE III - SET KEYBOARD/SCREEN MODE AH = 7Fh AL = subfunction 00h enable remote keyboard only 01h enable host keyboard only 02h enable both keyboards 08h display top 24 lines 09h display bottom 24 lines 10h Hayes modem 11h other modem 12h direct connectTop
INT 16 - MAKEY.COM - INSTALLATION CHECK AH = 80h Return: AX = 1954h if installed Program: MAKEY is a utility by System Enhancement AssociatesTop
INT 16 - DK.COM v1.03 - INSTALLATION CHECK AH = 87h Return: AX = 4A57h ('JW') if installed Program: DK.COM is the resident part of a small keyboard macro utility by Digital Mechanics.Top
INT 16 - AT.COM version 8/26/87 - API AX = 8765h BX = 4321h CX = ??? or FFFFh if CX = FFFFh DX = number of event to remove or FFFFh Return: ES:BX -> event record array (see #00607) Program: AT.COM is a resident scheduler by Bill Frolik Format of AT.COM event record: Offset Size Description (Table 00607) 00h BYTE in-use flag (00h free, 01h in use, FFh end of array) 01h BYTE day of date on which to trigger 02h BYTE month of date on which to trigger 03h BYTE trigger time, minute 04h BYTE trigger time, hour 05h WORD offset of command to be executedTop
INT 16 - KEYB.COM KEYBOARD CAPABILITIES CHECK (not an actual function!) AH = 92h Return: AH <= 80h if enhanced keyboard functions (AH=10h-12h) supported Desc: this function is called by the DOS 3.2 KEYBxx.COM and DOS 5+ KEYB.COM to determine the highest supported keyboard function Note: many BIOSes (including at least some versions of Phoenix and AMI) will destroy AH on return from functions higher than AH=12h, returning 12h less than was in AH on entry (due to a chain of DEC/JZ instructions) SeeAlso: AH=05h"PCjr",AH=A2h,INT 2F/AX=AD80hTop
INT 16 - SCOUT v5.4 - GET ??? AH = 99h Return: AX = ABCDh BX:CX -> ??? (appears to be start of PSP for resident portion) Program: Scout is a memory-resident file manager by New-Ware SeeAlso: AH=9EhTop
INT 16 - SCOUT v5.4 - INSTALLATION CHECK AH = 9Eh Return: AX = ABCDh if installed Program: Scout is a memory-resident file manager by New-Ware SeeAlso: AH=99hTop
INT 16 - KEYB.COM KEYBOARD CAPABILITIES CHECK (not an actual function!) AH = A2h Return: AH <= 80h if 122-key keyboard functions (AH=20h-22h) supported Desc: this function is called by the DOS 3.2 KEYBxx.COM and DOS 5+ KEYB.COM to determine the highest supported keyboard function Note: many BIOSes (including at least some versions of Phoenix and AMI) will destroy AH on return from functions higher than AH=12h, returning 12h less than was in AH on entry (due to a chain of DEC/JZ instructions) SeeAlso: AH=05h"PCjr",AH=92h,INT 2F/AX=AD80hTop
INT 16 - PTxxx.COM - (xxx=CGA,EGA,VGA,HER...) CALL GATE FOR GRAPHICS AH = AAh Various registers set up by high level language. Return: Graphics performed Note: PT stands for Paint Tools which is a graphics library for Turbo Pascal, Modula 2 and others from DataBiten in Sweden. The library is installed as a memory resident driver.Top
INT 16 U - JORJ v4.3 - INSTALLATION CHECK AX = AABBh BX = EEFFh Return: AX = EEFFh if installed BX = AABBh if installed CL = hotkey name (default 6Ah 'j' for Alt-J) Program: JORJ is a shareware dictionary with phonetic lookup by Jorj Software Co. Index: hotkeys;JORJTop
INT 16 - K3PLUS v6.00+ (API v2.0+) - GET EXTENDED BUFFER STATE AX = AF20h BX = 4B33h ('K3') Return: AX = K3 version (same as returned in BX by AX=AF4Dh) ES:BX -> extended keyboard buffer start ES:DX -> extended keyboard buffer end ES:SI -> next keystroke ES:DI -> last keystroke in buffer CX = number of keystrokes in buffer Program: K3PLUS is an extended keyboard driver by Matthias Paul and Axel C. Frinke, originally based on the K3 extended German keyboard driver by Martin Gerdes published in c't magazine in 1988 Note: this function replaces the identical function AH=20h"K3" SeeAlso: AH=20h"K3",AX=AF25h,AX=AF4Dh,AX=AF50h,INT 2F/AX=ED58hTop
INT 16 - K3PLUS v6.00+ (API v2.0+) - COPY INTO EXTENDED BUFFER AX = AF25h BX = 4B33h ('K3') CX = number of keystrokes to copy ES:SI -> buffer containing keystrokes Return: CF clear if successful CF set on error (i.e. buffer full) CX = number of keystrokes NOT transferred ES:SI -> first keystroke not transferred Note: this function replaces the identical function AH=25h"K3" SeeAlso: AH=25h"K3",AX=AF20h,AX=AF4Dh,AX=AF50h,INT 2F/AX=D44Fh/BX=0001hTop
INT 16 - K3PLUS v6.00+ (API v2.0+) - GET VERSION INFORMATION AX = AF4Dh BX = 4B33h ('K3') Return: AL = 50h if installed BX = K3 version DX = API version ES:CX -> K3 structure (version-dependent) (see #00608) Program: K3PLUS is an extended keyboard driver by Matthias Paul and Axel C. Frinke, originally based on the K3 extended German keyboard driver by Martin Gerdes published in c't magazine in 1988 SeeAlso: AX=AF20h,AX=AF50h,AX=AF80h,AX=AF82h/BX=4B33h,INT 2F/AX=D44Fh/BX=0000h SeeAlso: INT 2F/AX=ED58h Index: installation check;K3PLUS Format of internal K3 structure: Offset Size Description (Table 00608) 00h 3 BYTEs signature "K3$" 03h BYTE length of structure, including this byte and signature 04h WORD compiler switch option flags A (see #00609) 06h WORD compiler switch option flags B (see #00610) 08h BYTE internal flags A (see #00611) 09h BYTE internal flags B (see #00612) 0Ah WORD DOS version recorded at startup 0Ch WORD "ActTypeSpeed" 0Eh WORD last Keyboard-ID sent 41ABh translated, 83ABh native (pass-through) 10h WORD offset of K3TAB Special 12h WORD offset of K3TAB German 14h WORD offset of K3TAB Alt 16h WORD offset of K3TAB AltGr 18h WORD offset of K3TAB Ctrl 1Ah WORD offset of K3TAB NPad 1Ch WORD offset of K3TAB CtrlNPad 1Eh WORD offset of K3TAB AltNPad 20h WORD offset of K3TAB ApoTbl or 0000h 22h WORD offset of K3TAB UmlautTbl or 0000h 24h WORD offset of K3TAB UmlautTblExp or 0000h 26h WORD length of video mode table 28h WORD offset of VidMdTbl or 0000h 2Ah BYTE '$' end marker Bitfields for K3PLUS compiler switch option flags A: Bit(s) Description (Table 00609) 15 GuINT16Fct2 (general use of INT 16 function 2) 14 Int15df (INT 15 has to be predefined) 13 GuAltNP (general use of Alt Numpad) 12 SupAT (ATs+ supported) 11 GuINT16Fct3 (general use of INT 16 function 3) 10 GuINT16Ret (general use of INT16 bad function return) 9-8 Layout (0-2, 3 reserved; 0=PC, 1=AT, 2=MF) 7 ForceMF (force MF decode without read-ID) 6 KXlate (translate keys for special keyboard) 5 UmlautX (umlaut translation capability included) 4 ApoX (translate apostrophe) 3 DoINT16 (INT 16 handler included) 2 UseCC (CopyCursor included) 1-0 UseEB 0=no extended keystroke buffer, 1=reserve mem, 2=use PSP, 3=reserved Bitfields for K3 compiler switch option flags B: Bit(s) Description (Table 00610) 15-11 reserved (0) 10 CtrlSeq (Ctrl macro capability included) 9-8 SupINT16fct55FE 6 DoInstallCheck (check for double installation) 5 SupINT16fct5PcJr (INT 16/AH=05h"PCjr" supported) 4 SendOut (sound and message output supported) 3 SupInt16fct5500 (INT 16/AX=5500h supported) 2 GuINT15Fct4F (calls to INT 15/AH=4Fh supported) 1-0 UseBufferStart (0=use standard area, 1=set standard area, 2=use internal indexes, 3=reserved) Bitfields for K3 internal flags A: Bit(s) Description (Table 00611) 7 DoingUmlautExp 6 CallINT15fct4F 5 Beep1 (requires SendOut set in option flags B) 4 ATflag (set for AT, 386, PS/2 Models 50-80) 3 XTflag (set for PC, PC/XT, Micromint PC, Pencock PC, PS/2 Model 30) 2 KeyClick 1 UmlautExp 0 UmlautTrans Bitfields for K3 internal flags B: Bit(s) Description (Table 00612) 7-5 reserved 4 TranslateE0 enabled 3 Boot enabled 2 PrintScreen enabled 1 Break enabled 0 ApoPendingBeepTop
INT 16 - K3PLUS v6.00+ (API v2.0+) - CHECK IF FUNCTION SUPPORTED AX = AF50h BX = 4B33h ('K3') CH = function 00h get function flags CL = 00h Return: CX = supported function flags (see #00613) nonzero reserved for extensions SeeAlso: AX=AF20h,AX=AF4Dh,AX=AF51h,AX=AF80h Bitfields for K3PLUS supported function list: Bit(s) Description (Table 00613) 0 function 4Dh supported 1 function 50h supported 2-3 reserved (0) 4 function 20h supported 5 function 25h supported 6 function 51h supported 7 reserved (0) 8 function 80h supported 9 function 81h supported 10 function 82h supported 11-15 reserved (0)Top
INT 16 - K3PLUS v6.00+ (API v2.00+) - SET OPTIONS AX = AF51h BX = 4B33h ('K3') CX = switches Return: AL = status 00h done CX = previous switch settings 01h switch not supported FFh other error SeeAlso: AX=AF4Dh,AX=AF50h,AX=AF80hTop
INT 16 - K3PLUS v6.00+ (API v2.00+) - GET ORIGINAL INT 09h VECTOR AX = AF80h BX = 4B33h ('K3') Return: AL = status 00h not supported 81h if successful ES:CX -> original INT 09 handler SeeAlso: AX=AF4Dh,AX=AF50h,AX=AF81h,AX=AF82hTop
INT 16 - K3PLUS v6.00+ (API v2.00+) - GET ORIGINAL INT 16h HANDLER AX = AF81h BX = 4B33h ('K3') Return: AL = status 00h not supported 82h if successful ES:CX -> original INT 16 handler SeeAlso: AX=AF4Dh,AX=AF50h,AX=AF80h,AX=AF82hTop
INT 16 - K3PLUS v6.00+ (API v2.00+) - GET ORIGINAL INT 10h HANDLER AX = AF82h BX = 4B33h ('K3') Return: AL = status 00h not supported 83h if successful ES:CX -> original INT 10 handler Program: K3PLUS is an extended keyboard driver by Matthias Paul and Axel C. Frinke, originally based on the K3 extended German keyboard driver by Martin Gerdes published in c't magazine in 1988 SeeAlso: AX=AF4Dh,AX=AF50h,AX=AF80h,AX=AF81h,INT 2F/AX=ED58hTop
INT 16 - VGARAM v1.00 - INSTALLATION CHECK AX = B0B1h ES:DI -> 6 byte signature "VGARAM" Return: AX = B1B0h if installed, DS:BX -> VGARAM Status byte: 0 = OFF, 1 = ON Program: VGARAM is a utility by Brett Warthen which makes VGA memory which is not used in text modes available for DOSTop
INT 16 - CtrlAlt Associates STACKEY.COM v3.00 - API AH = CAh BX = 736Bh ("sk") CX = 736Bh AL = function 00h installation check Return: DX = words available in keyboard buffer 01h place keystroke in buffer DX = keystroke (DH = scan code, DL = ASCII character) Return: DX = words available in keyboard buffer FFFFh on error 02h flush STACKEY and BIOS keyboard buffers Return: AX = CAFFh if installed BX = segment of resident code CX = STACKEY version (CH = major, CL = minor) Program: STACKEY is a shareware keyboard-input faking TSR Index: installation check;STACKEYTop
INT 16 - CtrlAlt Associates EGAPAL.COM v1.00 - INSTALLATION CHECK AX = CA00h BX = 6570h ("ep") CX = 6570h Return: AX = CAFFh if installed BX = segment of resident code CX = ??? (0090h) Program: EGAPAL is a TSR supplied with STACKEY which makes EGA palette settings permanent across mode switches SeeAlso: AX=CA00h/BX=7670hTop
INT 16 - CtrlAlt Associates VGAPAL.COM v1.00 - INSTALLATION CHECK AX = CA00h BX = 7670h ("vp") CX = 7670h Return: AX = CAFFh if installed BX = segment of resident code CX = ??? (0090h) Program: VGAPAL is a TSR supplied with STACKEY which makes VGA palette settings permanent across mode switches SeeAlso: AX=CA00h/BX=6570hTop
INT 16 - PUPClip v1.12+ - INSTALLATION CHECK AX = CB00h Return: BX = 4342h if installed AX = version (AH = major version, AL = BCD minor version) Program: PUPClip is the freeware PopUP Clipboard for DOS and Windows DOS sessions by SkullC0DEr SeeAlso: AX=CB01h,AX=CB02h,AX=CB03h,AX=CB04h,AX=CB05h,AX=CB06h,AX=CB08h SeeAlso: INT 2F/AX=1701hTop
INT 16 - PUPClip v1.12+ - GET CLIPBOARD CURSOR POSITION AX = CB01h Return: BL = column (0-79) BH = row (0-49) SeeAlso: AX=CB00h,AX=CB02h,AX=CB03hTop
INT 16 - PUPClip v1.12+ - SET CLIPBOARD CURSOR POSITION AX = CB02h BL = column (0-79) BH = row (0-49) Return: CF clear if successful CF set on error (invalid position) SeeAlso: AX=CB00h,AX=CB01h,AX=CB04hTop
INT 16 - PUPClip v1.12+ - GET CHARACTER FROM CURRENT CLIPBOARD CURSOR POSITION AX = CB03h Return: BL = ASCII character at current position SeeAlso: AX=CB00h,AX=CB02h,AX=CB04h,INT 2F/AX=1705hTop
INT 16 - PUPClip v1.12+ - WRITE CHARACTER TO CURRENT CLIPBOARD CURSOR POSITION AX = CB04h BL = ASCII character to store SeeAlso: AX=CB00h,AX=CB02h,AX=CB03h,AX=CB05h,INT 2F/AX=1703hTop
INT 16 - PUPClip v1.12+ - CLEAR CLIPBOARD CONTENTS AX = CB05h Return: nothing SeeAlso: AX=CB00h,AX=CB04h,AX=CB06h,AX=CB07h,INT 2F/AX=1702hTop
INT 16 - PUPClip v1.12+ - SCROLL UP CLIPBOARD CONTENTS AX = CB06h Return: nothing SeeAlso: AX=CB00h,AX=CB05h,AX=CB07hTop
INT 16 - PUPClip v1.12+ - SCROLL DOWN CLIPBOARD CONTENTS AX = CB07h Return: nothing SeeAlso: AX=CB00h,AX=CB05h,AX=CB06hTop
INT 16 - PUPClip v1.12+ - POP UP AX = CB08h Return: CF clear if successful CF set on error (unsupported video mode) SeeAlso: AX=CB00hTop
INT 16 U - APCAL v3.20 - GET ??? AX = D724h CX = 00CBh Return: AX = 0000h BX = 0000h DX:CX -> ??? or 0000h:0000h Program: APCAL is an optionally-resident shareware appointment calendar by Gamma Software SeeAlso: AX=3577h,AX=D724h/CX=00CCh,AX=D724h/CX=00CDhTop
INT 16 U - APCAL v3.20 - GET ??? AX = D724h CX = 00CCh Return: AX = 0000h BX = 0000h DX:CX -> ??? (apparently an internal data area) SeeAlso: AX=D724h/CX=00CBh,AX=D724h/CX=00CDhTop
INT 16 U - APCAL v3.20 - GET ??? AX = D724h CX = 00CDh Return: AX = ??? (5345h seen) SeeAlso: AX=D724h/CX=00CBh,AX=D724h/CX=00CChTop
INT 16 - VIRUS - "Frumble" - INSTALLATION CHECK AH = DDh Return: AL = DDh if resident SeeAlso: INT 13/AX=FD50h,INT 21/AX=010Fh,INT 21/AX=0B56hTop
INT 16 U - Corel PowerSCSI - FDAUDIO.COM - INSTALLATION CHECK AX = DFDFh Return: ES:DI -> ASCII signature "FDAUDIO/CD" followed by ASCII date, i.e. "06/18/93" if installedTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - GET VERSION NUMBER AX = E000h Return: CF clear if successful AL = FAh BX = version number (BCD) (0200h = v2.00) CF set on error (not implemented) Notes: this interface is available on AMI BIOSes built from AMI core version 8/8/93 (HiFlex BIOS) or 11/15/93 (WinBIOS) or later the "Meningitis" virus uses this API when attacking a system equipped with an AMI BIOS; it is supposedly able to write itself into the Flash ROM and thus make itself part of the BIOS SeeAlso: AX=E001h,AX=E004h,AX=E006h,AX=E008h,AX=E00Ah,AX=E00Bh,AX=E0FFhTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - GET CHIPSET SAVE/RESTORE SIZE AX = E001h Return: CF clear if successful AL = FAh BX = number of bytes required to save chipset configuration CF set on error SeeAlso: AX=E000h,AX=E002h,AX=E003hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - SAVE CHIPSET STATUS & PREPARE CHPSET AX = E002h ES:DI -> buffer for storing chipset status Return: CF clear if successful AL = FAh CF set on error SeeAlso: AX=E000h,AX=E001h,AX=E003hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - RESTORE CHIPSET STATUS AX = E003h ES:DI -> buffer in which chipset status was previously stored Return: CF clear if successful AL = FAh CF set on error SeeAlso: AX=E000h,AX=E001h,AX=E002hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - LOWER PROGRAMMING VOLTAGE Vpp AX = E004h Return: CF clear if successful AL = FAh CF set on error Note: this function does not return until the voltage level stabilizes SeeAlso: AX=E000h,AX=E005h,AX=E006hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - RAISE PROGRAMMING VOLTAGE Vpp AX = E005h Return: CF clear if successful AL = FAh CF set on error Note: this function does not return until the voltage level stabilizes SeeAlso: AX=E000h,AX=E004h,AX=E007hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH WRITE PROTECT AX = E006h Return: CF clear if successful AL = FAh CF set on error Note: this function performs any delay required to allow the Flash ROM to stabilize in the write-protected state SeeAlso: AX=E000h,AX=E004h,AX=E007hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH WRITE ENABLE AX = E007h Return: CF clear if successful AL = FAh CF set on error Note: this function performs any delay required to allow the Flash ROM to stabilize in the write-enabled state SeeAlso: AX=E000h,AX=E005h,AX=E006h,AX=E008hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH SELECT AX = E008h Return: CF clear if successful AL = FAh CF set on error Desc: select the Flash ROM if the system contains both EPROM and Flash ROM Note: this function performs any delay required to allow the Flash ROM to stabilize in the selected state; if no EPROM is present, this function always returns successfully SeeAlso: AX=E000h,AX=E007h,AX=E009hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - FLASH DE-SELECT AX = E009h Return: CF clear if successful AL = FAh CF set on error Desc: select the EPROM if the system contains both EPROM and Flash ROM Note: this function performs any delay required to allow the Flash ROM to stabilize in the de-selected state; if no EPROM is present, this function always returns successfully SeeAlso: AX=E000h,AX=E006h,AX=E008hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - VERIFY ALLOCATED MEMORY AX = E00Ah BX = number of paragraphs ES = starting segment of memory Return: CF clear if successful AL = FAh CF set on error Desc: determine whether the specified memory may be used for flash programming Note: always returns error if BX is zero on entry SeeAlso: AX=E000h,AX=E00BhTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - SAVE INTERNAL CACHE STATUS AX = E00Bh ES:DI -> buffer for internal cache status (minimum 4Kbytes) Return: CF clear if successful AL = FAh CF set on error Note: always returns error if the hardware does not contain internal cache or this call is made in protected mode SeeAlso: AX=E000h,AX=E00Ah,AX=E00ChTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - RESTORE INTERNAL CACHE STATUS AX = E00Ch ES:DI -> buffer containing internal cache status (minimum 4Kbytes) Return: CF clear if successful AL = FAh CF set on error Note: always returns error if the hardware does not contain internal cache or this call is made in protected mode SeeAlso: AX=E000h,AX=E00BhTop
INT 16 - TurboPower TSRs - ALTERNATE INSTALLATION CHECK AX = E0E0h Return: AX = 1F1Fh if installed DWORD 0040h:00F0h -> last data block in TSR list (see #00615) Note: the returned TSR list provides support for communication among TSRs built with TurboPower's Turbo Professional and Object Professional libraries for Turbo Pascal SeeAlso: AX=F0F0hTop
INT 16 - AMI BIOS - BIOS-FLASH Interface - GENERATE CPU RESET AX = E0FFh Return: never SeeAlso: AX=E000h,INT 14/AH=17h"FOSSIL"Top
INT 16 - BORLAND TURBO LIGHTNING - API AH = EDh BH = EDh BL = function 00h installation check Return: AX = 5205h CH = major version CL = minor version 01h identical to function 00h??? 02h get resident data segment Return: AX = data segment of resident portion 03h get resident ??? Return: AX = offset of some buffer in resident code seg 04h redefine auxiliary dictionary DS:SI -> counted filename string Return: AL = result code 05h select active environment AL = environment (00h to 0Ch) Return: AX = status 0000h if OK 0001h if out of range 06h toggle AutoProof??? AL = state (00h off, 01h on) 07h ??? 08h ??? AL = char??? CX = ??? DX = ??? Return: AX = 0, 1 or 2 09h ??? 0Ah ??? CX = ??? DX = ??? Return: AX = ??? 0Bh check dictionary integrity??? DS:SI -> counted dictionary filename string Return: AX = 0, 40h, 80h 0Ch spellcheck string (disk dictionary, possibly RAM dict as well) DS:SI -> counted string to check Return: AH = 0 AL = result code 00h string found in dictionary 20h string begins more than one word 40h string not found 0Dh set ??? (sets an internal flag) 0Eh spellcheck string (RAM dictionary only) DS:SI -> counted string to check Return: AH = 00h AL = result code 00h string found in dictionary 01h string not found 02h ??? 0Fh ??? 10h ??? Notes: AX in general returns an error code from most functions. Index: installation check;Turbo LightningTop
INT 16 - CALCULATOR - INSTALLATION CHECK AH = EFh Return: AX = 0088h if installed Program: CALCULATOR is a shareware popup calculator by Andrzej Brzezinski and Marek KosznikTop
INT 16 - Compaq 386 and newer - SET CPU SPEED AH = F0h AL = speed code (see #00614) if AL=09h, CX = speed value, 1 (slowest) to 50 (full), 3 ~= 8088 Note: also supported by some versions of AMI BIOS dated June 1992 or later; speed codes 0 or 1 are used for Low Speed, 2 for High Speed SeeAlso: AH=F1h,AH=F3h (Table 00614) Values for speed code: 00h equivalent to 6 MHz 80286 (COMMON) 01h equivalent to 8 MHz 80286 (FAST) 02h full 16 MHz (HIGH) 03h toggles between 8 MHz-equivalent and speed set by system board switch (AUTO or HIGH) 08h full 16 MHz except 8 MHz-equivalent during floppy disk access 09h specify speed directlyTop
INT 16 - TurboPower TSRs - INSTALLATION CHECK AX = F0F0h Return: AX = 0F0Fh if installed ES:DI -> last data block in TSR list (see #00615) Note: the returned TSR list provides support for communication among TSRs built with TurboPower's Turbo Professional and Object Professional libraries for Turbo Pascal SeeAlso: AX=E0E0h Format of TurboPower TSR data block: Offset Size Description (Table 00615) 00h DWORD pointer to program tag (counted ASCII string) 04h WORD interface version number (0400h) 06h DWORD pointer to command entry point 0Ah DWORD pointer to previous data block (0000h:0000h if none) 0Eh DWORD pointer to next data block (0000h:0000h if none) ---swappable TSRs only--- 12h DWORD pointer to swapping data 16h DWORD pointer to user data more???Top
INT 16 - Compaq 386 and newer - READ CURRENT CPU SPEED AH = F1h Return: AL = speed code (see #00614) if AL = 09h, CX = speed code Note: also supported by some versions of AMI BIOS dated June 1992 or later SeeAlso: AH=F0h,AH=F3hTop
INT 16 - Compaq 386 and newer - DETERMINE ATTACHED KEYBOARD TYPE AH = F2h Return: AL = type 00h if 11-bit AT keyboard is in use 01h if 9-bit PC keyboard is in use AH = 00h (04/08/93 system ROM) SeeAlso: MEM 0040h:00C2hTop
INT 16 - Compaq 80286s - SET CPU SPEED LIMIT (OVERRIDE JUMPER) AH = F3h AL = new limit 00h limit is 6 Mhz 01h limit is 8 Mhz/6 Mhz SeeAlso: AH=F0h,AH=F1hTop
INT 16 U - NORTON GUIDES - INSTALLATION CHECK AX = F398h Return: AX = 6A73h ("js") BH = BIOS scan code of current hot key BL = ASCII code of current hot key Note: NG.EXE was written by John SochaTop
INT 16 - Compaq Systempro and higher - CACHE CONTROLLER STATUS AX = F400h Return: AH = E2h (*) AL = status 00h not present 01h enabled 02h disabled CX = cache memory size bit 15: cache size information is NOT valid bits 14-0: cache memory size in kilobytes DH = cache write technology bit 7: cache write information is NOT valid bits 6-1: reserved (0) bit 0: 0 = Write-through caching 1 = Write-back caching DL = cache type bit 7: cache type information is NOT valid bits 6-1: reserved (0) bit 0: 0 = Direct mapped 1 = Two-way set-associative Notes: also supported by some versions of AMI BIOS dated June 1992 or later many (most) BIOSes return a modified AH when called for an unsupported or non-keyboard function (typically, the highest supported keyboard function [normally 12h] is subtracted from the original AH) SeeAlso: AX=F401h,AX=F402hTop
INT 16 - Compaq Systempro and higher - ENABLE CACHE CONTROLLER AX = F401h Return: AX = E201h Notes: also supported by some versions of AMI BIOS dated June 1992 or later many (most) BIOSes return a modified AH when called for an unsupported or non-keyboard function (typically, the highest supported keyboard function [normally 12h] is subtracted from the original AH) SeeAlso: AX=F400h,AX=F402hTop
INT 16 - Compaq Systempro and higher - DISABLE CACHE CONTROLLER AX = F402h Return: AX = E202h Notes: also supported by some versions of AMI BIOS dated June 1992 or later many (most) BIOSes return a modified AH when called for an unsupported or non-keyboard function (typically, the highest supported keyboard function [normally 12h] is subtracted from the original AH) SeeAlso: AX=F400h,AX=F401hTop
INT 16 U - PC Tools v8+ VSAFE, VWATCH - INSTALLATION CHECK AX = FA00h DX = 5945h Return: CF clear DI = 4559h BX = BIOS hotkey scancode (default 2F00h) (VSAFE only) FFFFh if disabled Note: MS-DOS 6.0 bundles VSAFE and VWATCH as part of its virus protection SeeAlso: AX=FA05h,INT 13/AH=FAh,INT 21/AH=FAh"VDEFEND",INT 2F/AX=6282hTop
INT 16 U - PC Tools v8+ VSAFE, VWATCH - UNINSTALL AX = FA01h DX = 5945h Return: CF clear if successful DI = 4559h SeeAlso: AX=FA00hTop
INT 16 U - PC Tools v8+ VSAFE, VWATCH - GET/SET OPTIONS AX = FA02h DX = 5945h BL = new parameter flags (see #00616) Return: CF clear DI = 4559h CL = old value of parameter flags Bitfields for VSAFE/VWATCH parameter flags: Bit(s) Description (Table 00616) 7 Protect executable files 6 Protect FD boot sector 5 Protect HD boot sector 4 Boot sector viruses 3 Check executable files 2 General write protect 1 Resident 0 HD Low level formatTop
INT 16 U - PC Tools v8+ VSAFE, VWATCH - GET ??? AX = FA03h DX = 5945h Return: CF clear DI = 4559h AX = 0002hTop
INT 16 U - PC Tools v8+ VSAFE - GET HOTKEY DISABLE FLAG AX = FA04h DX = 5945h Return: CF clear DI = 4559h BL = hotkey disable flag (nonzero if hotkey disabled) Note: this function is a NOP under VWATCH, merely returning CF clear/DI=4559h SeeAlso: AX=FA00h,AX=FA05hTop
INT 16 U - PC Tools v8+ VSAFE - SET HOTKEY DISABLE FLAG AX = FA05h DX = 5945h BL = new value of hotkey disable flag (nonzero to disable hotkey) Return: CF clear DI = 4559h Note: this function is a NOP under VWATCH, merely returning CF clear/DI=4559h SeeAlso: AX=FA00h,AX=FA04hTop
INT 16 U - PC Tools v8+ VSAFE, VWATCH - GET NETWORK DRIVES TEST FLAG AX = FA06h DX = 5945h Return: CF clear DI = 4559h BL = test status 00h don't monitor network drives (default for VWATCH v2.1) FFh monitor network drives (default for VSAFE v2.0) CL = ??? (only VSAFE 2.0) SeeAlso: AX=FA07hTop
INT 16 U - PC Tools v8+ VSAFE, VWATCH - SET NETWORK DRIVES TEST FLAG AX = FA07h DX = 5945h BL = new state 00h don't monitor 01h monitor network drives Return: CF clear DI = 4559h Note: VWATCH v2.1 (from PC Tools 9.0) returns CF set instead SeeAlso: AX=FA00h,AX=FA06hTop
INT 16 U - PC Tools v9+ VWATCH v2.1 - ??? AX = FA08h DX = 5945h Return: CF clear DI = 4559h AX = ??? (0002h) BX = version (BH=major, BL=two-digit minor) Note: this function is not supported by the PC Tools 9.0 VSAFE v2.0 SeeAlso: AX=FA00h,AX=FA06hTop
INT 16 U - PC Tools v8+ programs - GET ??? AX = FE55h CX = segment of resident program or 0000h for last loaded DX = 0000h Return: DX = resident code segment (unchanged if CX=0000h on entry) AX = ??? or 0000h Note: this call is supported by CPSCHED, CPTASK, DATAMON, DPROTECT, DRIVEMAP, and DSKLIGHT beginning in PC Tools v8.0; programs other than CPTASK seem to hook it merely to return the same AX as the CPTASK loaded prior to them returnedTop
INT 16 U - PC Tools v7+ CPSCHED/DESKTOP - RESET ??? AX = FEA4h Return: nothing Note: this function is identical to AX=FFA4h, and is implemented by the same code in DESKTOP SeeAlso: AX=FFA4hTop
INT 16 U - PC Tools v7+ CPSCHED - ENABLE/DISABLE CPSCHED API AX = FEC6h BL = new state (00h enabled, nonzero disabled) Return: nothing Desc: specify whether CPSCHED API calls other than this one and AX=FE55h will be honoredTop
INT 16 U - PC Tools v7+ CPSCHED/DESKTOP - ??? AX = FED3h DS:SI -> 92-byte data record for ??? Return: ??? Note: this function is identical to AX=FFD3h, and is implemented by the same code in DESKTOP SeeAlso: AX=FFD3hTop
INT 16 U - PC Tools v7+ CPSCHED - UNHOOK INTERRUPTS AX = FEDCh Return: AX,DX destroyed Index: uninstall;CPSCHEDTop
INT 16 U - PC Tools v7+ CPSCHED/DESKTOP - INSTALLATION CHECK AX = FEEFh CX = 0000h Return: CX = ABCDh if PC Tools scheduler (CPSCHED or DESKTOP) installed BX = segment of resident portion DX = (CPSCHED v8.0) resident CS Note: this function is identical to AX=FFD3h, and is implemented by the same code in DESKTOP SeeAlso: AX=FFEFhTop
INT 16 U - PC Tools v7 only CPSCHED/DESKTOP - ALTERNATE INSTALLATION CHECK AX = FEF1h BX = ??? Return: CX = 5555h if PC Tools scheduler (CPSCHED or DESKTOP) installed DX = 5555h Note: this function is identical to AX=FFD3h, and is implemented by the same code in DESKTOP SeeAlso: AX=FFF1hTop
INT 16 - KEYBOARD - KBUF extensions - ADD KEY TO TAIL OF KEYBOARD BUFFER AH = FFh DX = scan code Return: AL = status 00h success 01h failure Program: KBUF is a keyboard buffer expander by Mark Adler SeeAlso: AH=05hTop
INT 16 - OPTIMA 1024 VGA-Sync,ET-3000 chipset - QUERY ZOOM INTERRUPT AH = FFh Return: AL = interrupt number to which BIOS keyboard handler has been relocated AL+1 = Zoom interrupt number BX = hotkey Notes: the default interrupts are 60h for keyboard and 61h for Zoom interrupt; the default hot key is F10 not all vendors include the Tseng TSR which supports these functions SeeAlso: INT 61/AX=0000h"OPTIMA",INT 61/AX=0005h"OPTIMA" Index: hotkeys;OPTIMA 1024 VGATop
INT 16 - FREEZE.COM - INSTALLATION CHECK AH = FFh BH = 00h Return: BH = FFh if installed Program: FREEZE is a PC Magazine utilityTop
INT 16 U - PC Tools v8+ DRIVEMAP - INSTALLATION CHECK AX = FF70h BX = 0000h CX = 4C69h ('Li') DX = 6E6Bh ('nk') Return: AX = 0000h CX = 4350h ('CP') DH = major version DL = minor version Program: DRIVEMAP is a redirector which allows drives on computers connected over the parallel or serial ports to appear as local drives SeeAlso: AX=FF70h/BX=0001h,AX=FF70h/BX=0002hTop
INT 16 U - PC Tools v8+ DRIVEMAP - ??? AX = FF70h BX = 0001h DL = ??? Return: AX = ??? DH = ??? SeeAlso: AX=FF70h/BX=0000h,AX=FF70h/BX=0002hTop
INT 16 U - PC Tools v8+ DRIVEMAP - ??? AX = FF70h BX = 0002h CX = ??? DX = ??? Return: AX = ??? or FFFEh/FFFFh on error DL = ??? BUG: DRIVEMAP will branch to random locations for BX values other than those listed above for v8.0-9.0 because a) the incorrect register is range-tested, resulting in BX=0003h-5CD6h being accepted as valid function numbers, and b) the conditional which branches on invalid function numbers jumps to the following instruction, becoming a NOP SeeAlso: INT 2F/AX=9203h"DRIVEMAP" Index: installation check;DRIVEMAPTop
INT 16 U - PC Tools v8+ CPTASK - INSTALLATION CHECK AX = FF80h BX = 0000h CX = 0000h DX = 0000h Return: CX = 5555h if installed Program: CPTASK is a task switcher by Central Point SoftwareTop
INT 16 U - PC Tools v8+ CPTASK - GET ??? AX = FF80h BX = 0001h ??? Return: DX:SI -> task list??? (ten entries of 70h bytes in v9.0) BX = ??? (PSP segment of resident code???)Top
INT 16 U - PC Tools v8+ CPTASK - GET ??? AX = FF80h BX = 0002h Return: DX:SI -> ???Top
INT 16 U - PC Tools v8+ CPTASK - GET ??? FLAGS AX = FF80h BX = 0003h Return: AX = flags (see #00617) SeeAlso: AX=FF80h/BX=0004h,AX=FF80h/BX=0006h Bitfields for CPTASK flags: Bit(s) Description (Table 00617) 10 ??? 13 ??? 14 ??? 15 ???Top
INT 16 U - PC Tools v8+ CPTASK - SET ??? AX = FF80h BX = 0004h CX = new value of ??? Return: ??? Note: this function also sets bit 14 of the flags word returned by AX=FF80h/BX=0003hTop
INT 16 U - PC Tools v8+ CPTASK - GET NUMBER OF ACTIVE TASKS??? AX = FF80h BX = 0005h Return: AX = number of active tasks???Top
INT 16 U - PC Tools v8+ CPTASK - GET AND CLEAR ??? FLAG AX = FF80h BX = 0006h Return: AX = old state (0000h clear, 0001h set) Note: the tested flag is bit 13 of the flags returned by AX=FF80h/BX=0003hTop
INT 16 U - PC Tools v8+ CPTASK - ??? AX = FF80h BX = 0007h ES:DI -> ??? ??? Return: ???Top
INT 16 U - PC Tools v8+ CPTASK - ??? AX = FF80h BX = 0008h ??? Return: ???Top
INT 16 U - PC Tools v8+ CPTASK - GET ??? AX = FF80h BX = 0009h Return: CL = ??? CH = ??? (01h or 02h)Top
INT 16 U - PC Tools v9+ CPTASK - SET ??? AX = FF80h BX = 000Ah DS:SI -> 128-byte buffer containing ???Top
INT 16 U - PC Tools v9+ CPTASK - SET ??? AX = FF80h BX = 000Bh DX = index of ??? task (1-10)Top
INT 16 U - PC Tools v9+ CPTASK - SET IDLE??? DELAY AX = FF80h BX = 000Ch CX = new delay time in minutesTop
INT 16 U - PC Tools v8+ CPTASK - UNINSTALL AX = FF80h BX = 4350h ('CP') CX = 5354h ('ST') Return: never returns; terminates all tasks and exits to program originally calling CPTASKTop
INT 16 U - PC Tools v8+ DESKTOP - ??? AX = FF90h ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FF91h ??? Return: AX = 0000h Note: calls AX=FFFDh after ??? SeeAlso: AX=FF92h,AX=FFFDhTop
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FF92h ??? Return: AX = 0000h Note: like AX=FF91h, but temporarily sets ??? to 3 SeeAlso: AX=FF91h,AX=FFFDhTop
INT 16 U - PC Tools v7+ DESKTOP - SET ??? FLAG AX = FF93hTop
INT 16 U - PC Tools v7+ DESKTOP - SET ??? AX = FF94h CX = ??? (default 0017h)Top
INT 16 U - PC Tools v7+ DESKTOP - SET ??? AX = FF95h BX = ???Top
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FF96h CL = ??? Return: AX = ???Top
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FF97h DS:DX -> buffer for ??? (see #00618) Return: ??? Format of PC Tools DESKTOP buffer: Offset Size Description (Table 00618) 00h 48 BYTEs ??? 30h 128 BYTEs ???Top
INT 16 U - PC Tools v7+ DESKTOP - OPEN \DESK.OVL FILE AND SEEK TO OVERLAY AX = FF98h DX = byte offset in file of overlay header (see #00619) Return: BX = file handle for DESK.OVL file Desc: open the DESK.OVL file, seek to the specified offset, read in the overlay header, and seek to the offset specified by the header Format of PC Tools DESKTOP overlay header: Offset Size Description (Table 00619) 00h 12 BYTEs NUL-padded ASCII overlay filename 0Ch DWORD offset within DESK.OVL file of actual overlayTop
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FF99h ??? Return: ???Top
INT 16 U - PC Tools v7+ DESKTOP - GET NAME OF COLOR SCHEME AX = FF9Ah Return: ES:BX -> name of current color scheme Note: available even if not popped upTop
INT 16 U - PC Tools v7+ DESKTOP - UNUSED AX = FF9Bh Return: ??? Note: sounds triple-length beepTop
INT 16 U - PC Tools v8+ CPTASK - SET/CLEAR ??? POINTER AX = FF9Ch BL = function 00h set ??? pointer DS:SI -> ??? 01h clear pointer to 0000h:0000hTop
INT 16 U - PC Tools v8+ CPTASK, VSAFE - ??? AX = FF9Dh ES:BX -> ??? word Return: ??? Note: if ES is non-zero, the word pointed at by ES:BX determines whether the ??? flag is cleared (word = 0000h) or set (word is nonzero). The flag is always cleared if ES=0000h.Top
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FF9Eh DL = ??? bit 7: ??? bits 6-0: function number??? (00h,01h,other) ??? Return: ???Top
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FFA1h ??? Return: ??? Note: same as AX=FFA2h, except ??? set to FFh SeeAlso: AX=FFA2hTop
INT 16 U - PC Tools v7+ DESKTOP - ??? AX = FFA2h ??? Return: ??? Note: calls AX=FFC7h (remove window) and AX=FFFDh SeeAlso: AX=FFA1h,AX=FFC7h,AX=FFFDhTop
INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - INSTALLATION CHECK AX = FFA3h BX = 0000h CX = 0000h Return: AX = segment of resident code BX = 5555h CX = 5555h Note: also supported by DOS 6 UNDELETE which is licensed from PC Tools SeeAlso: INT 21/AH=3Fh"NB.SYS",INT 21/AX=4101h,INT 2F/AX=6284hTop
INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - GET ??? AX = FFA3h BX = 0001h CX = 0001h Return: AX:BX -> ??? CX = BXTop
INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - GET ??? AX = FFA3h BX = 0002h CX = 0002h Return: AX = ??? (0 or 1) CX = BX = AXTop
INT 16 U - PC Tools v7-8 DATAMON, v9+ DPROTECT - GET ??? AX = FFA3h BX = 0003h CX = 0003h Return: AX = ??? (0 or 1) CX = BX = AXTop
INT 16 U - PC Tools v7+ DATAMON - SET ??? FLAG AX = FFA3h BX = 0004h CX = 0004h SeeAlso: AX=FFA3h/BX=0005hTop
INT 16 U - PC Tools v7+ DATAMON - CLEAR ??? FLAG AX = FFA3h BX = 0005h CX = 0005h SeeAlso: AX=FFA3h/BX=0004hTop
INT 16 U - PC Tools v7+ DATAMON - SET PSP SEGMENT ??? AX = FFA3h BX = 0006h CX = 0006h DX = current PSP segment as known to DOS??? or 0000hTop
INT 16 U - PC Tools v9 DSKLIGHT - INSTALLATION CHECK AX = FFA3h BX = FFA3h CX = FFA3h Return: BX = CX = 5555h if installed AX = resident code segment Program: DSKLIGHT is a TSR included with PC Tools v9+ which displays a disk- access indicator on the screen; in v7 and v8, this function was provided by DATAMON Note: DSKLIGHT chains to the previous handler if BX or CX is not FFA3hTop
INT 16 U - PC Tools v7-8 DESKTOP - ??? AX = FFA4h Return: ??? Notes: available even when not popped up sets unknown flag if ??? conditions met SeeAlso: AX=FEA4hTop
INT 16 - PC-Cache v6+ - INSTALLATION CHECK AX = FFA5h CX = 1111h Return: CH = 00h if installed ES:DI -> internal data (see #00620) CL = cache state 01h enabled 02h disabled SeeAlso: INT 13/AH=27h,INT 13/AH=A0h,INT 21/AH=2Bh/CX=4358h Format of PC-Cache internal data: Offset Size Description (Table 00620) -1Ch 20 BYTEs cached drive list, one byte per drive A: to T: each byte is either blank (20h) or drive letter (41h-54h) -8 BYTE ??? -7 WORD number of physical transfers (scaled down to 0000h-7FFFh) -5 WORD number of saved transfers (scaled down to 0000h-7FFFh) -3 3 BYTEs ???Top
INT 16 - PC-Cache v6+ - ENABLE DELAYED WRITES AX = FFA5h CX = AAAAh Return: AX = ??? (apparently either 0000h or sectors_in_cache - 5) SeeAlso: AX=FFA5h/CX=CCCChTop
INT 16 - PC-Cache v6+ - FLUSH CACHE AND DISABLE DELAYED WRITES AX = FFA5h CX = CCCCh Return: AX = ??? (apparently either 0000h or sectors_in_cache - 5) Note: delayed writes are automatically disabled on EXECing (see INT 21/AH=4Bh) a program named either WIN.CO? or DV.E??; however, delayed writes are not automatically reenabled upon the program's termination in v6. SeeAlso: AX=FFA5h/CX=AAAAh,AX=FFA5h/CX=FFFFhTop
INT 16 - PC-Cache v6+ - FLUSH AND DISABLE CACHE AX = FFA5h CX = DDDDh SeeAlso: AX=FFA5h/CX=EEEEh,AX=FFA5h/CX=FFFFhTop
INT 16 - PC-Cache v6+ - ENABLE CACHE AX = FFA5h CX = EEEEh SeeAlso: AX=FFA5h/CX=DDDDhTop
INT 16 - PC-Cache v6+ - FLUSH CACHE AX = FFA5h CX = FFFFh SeeAlso: AX=FFA5h/CX=CCCCh,AX=FFA5h/CX=DDDDh,INT 13/AH=A1hTop
INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET ??? AX = FFA6h Return: DS:SI -> ??? Note: available only when popped upTop
INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET ??? PATH AX = FFA7h Return: DS:SI -> ASCIZ path (directory from which PCTools was run???)Top
INT 16 U - PC Tools v6.0-8.0 DESKTOP - ??? AX = FFA8h DS:SI -> three consecutive ASCIZ strings for ??? (max 256 bytes total) ??? Return: ??? Notes: available only when popped up strings copied into internal buffer, among other actionsTop
INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET VERSION STRING AX = FFA9h Return: DS:SI -> version stringTop
INT 16 U - PC Tools v6.0-8.0 DESKTOP - ??? AX = FFAAh ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET EDITOR SETTINGS??? AX = FFABh Return: DS:SI -> editor setting strings???Top
INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ??? AX = FFACh DL = ??? Note: available only when popped upTop
INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ??? AX = FFADh DL = ???Top
INT 16 U - PC Tools v6.0-8.0 DESKTOP - GET ??? AX = FFAEh Return: AL = ???Top
INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ??? AX = FFAFh DL = ???Top
INT 16 U - PC Tools v6.0-8.0 DESKTOP - SET ??? AX = FFB0h BL = ???Top
INT 16 U - PC Tools v6.0-8.0 DESKTOP - ??? AX = FFB1h ??? Return: ???Top
INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET ??? AX = FFB2h Return: DS:SI -> ???Top
INT 16 U - PC Tools v5.5-8.0 DESKTOP - ??? AX = FFB3h ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.5-8.0 DESKTOP - SET ??? FLAG AX = FFB4h Note: available only when popped up SeeAlso: AX=FFBBhTop
INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET/SET WINDOW PARAMETERS AX = FFB5h BX = window specifier (000Fh to 0019h) (see #00621) DX = 0000h get, nonzero = set ES:DI -> window parameter buffer (see #00622) SeeAlso: AX=FFCBh (Table 00621) Values for PC Tools DESKTOP window specifier: 000Fh comm/FAX 0014h hotkey selection 0015h ASCII table 0016h system colors menu Format of PC Tools DESKTOP window parameters: Offset Size Description (Table 00622) 00h BYTE rows in window, not counting frame 01h BYTE columns in window, not counting frame 02h BYTE row number of top of window 03h BYTE 2*column number of left of window 04h BYTE character attribute for ??? 05h BYTE character attribute for background/border 06h BYTE character attribute for ??? 07h DWORD pointer to ??? on screen 0Bh 4 BYTEs ??? 0Fh BYTE nonzero if window may be resized Note: if running in monochrome mode, character attributes at offsets 04h to 06h are stored unchanged, but attributes other than 07h, 0Fh, or 70h are changed to 07h on readingTop
INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET ??? AX = FFB6h Return: AH = ??? AL = ???Top
INT 16 U - PC Tools v5.5-8.0 DESKTOP - GET/SET ??? AX = FFB7h BX = direction 0000h copy to buffer else copy from buffer DS:SI -> 70-byte buffer with ??? Return: data copied Note: available only when popped up under v6.0+Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET/SET??? AX = FFB8h BH = subfunction 00h get Return: BL = old value of ??? CL = old value of ??? (v6.0+) CH = old value of ??? (v6.0+) nonzero set BL = new value for ??? CL = new value for ??? (v6.0+) CH = new value for ??? (v6.0+) DH = ??? Return: AL = old value replaced by CL (v6.0+) AH = old value replaced by CH (v6.0+)Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFB9h ??? Return: AX = ??? CX = ??? DS:SI -> ??? ES:DI -> ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFBAh ??? Return: AX = ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - CLEAR ??? FLAG AX = FFBBh Note: available only when popped up SeeAlso: AX=FFB4hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - RESTORE ORIGINAL SCREEN??? AX = FFBChTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? DATABASE INDEXING MESSAGES AX = FFBDh ??? Return: ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFBEh ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFBFh BX = DOS file handle to write on ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFC0h ??? Return: AX = 0000h if successful AX = FFFFh on error Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFC1h BL = ??? ES:DI -> data structure (see #00623) ??? Return: AX = ??? Note: available only when popped up SeeAlso: AX=FFC2h,AX=FFC3h Format of PC Tools DESKTOP data structure: Offset Size Description (Table 00623) 00h WORD ??? 02h WORD ??? 04h WORD ??? 06h WORD ??? 08h WORD ??? 0Ah BYTE ??? 0Bh BYTE ??? (zero/nonzero) ---v7.1--- 0Ch WORD ??? 0Eh BYTE ??? 0Fh WORD ??? 11h WORD ??? ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFC2h BL = ??? ES:DI -> data structure (see #00623) ??? Return: AH = ??? CX = ??? DH = ??? DL = ??? Note: available only when popped up SeeAlso: AX=FFC1h,AX=FFC3hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFC3h BL = ??? ES:DI -> data structure (see #00623) ??? Return: AH = ??? CX = ??? DH = ??? DL = ??? Note: available only when popped up SeeAlso: AX=FFC1h,AX=FFC2hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ??? AX = FFC4h Return: AL = ??? BX = segment of scratch space??? CX = segment of stored screen data (section covered by window???) DX = segment of window parameters for ??? ES:BP -> ??? Note: available only when popped up in versions prior to 6.0Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - CHECK WHETHER DESKTOP LOADED RESIDENT AX = FFC5h Return: BL = Desktop state 00h if nonresident nonzero if loaded resident Note: available only when popped up; should call AX=FFEFh first to ensure that DESKTOP is active SeeAlso: AX=FFEFh,AX=FFF3hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ??? AX = FFC6h BL = new value for ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - REMOVE WINDOW AX = FFC7h ??? Return: ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ??? AX = FFC8h Return: DS:SI -> ??? Note: valid only while popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - COPY DATA TO CLIPBOARD AX = FFC9h DS:SI -> characters to store in clipboard CX = size in bytes Return: CF set on error Notes: available only when popped up while copying, bytes of 00h and 0Ah are skippedTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ??? AX = FFCAh DX = ??? Return: AX destroyed Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SELECT WINDOW PARAMETERS??? AX = FFCBh DX = window specifier??? Return: AX destroyed Note: available only when popped up SeeAlso: AX=FFB5hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY ASCIZ STRING CENTERED IN WINDOW AX = FFCCh DS:SI -> ASCIZ string Return: AX = ??? CX = ??? ES:DI -> address past last character displayed (v5.1/5.5) -> ??? on menu bar (v6.0)Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFCDh DS:DX -> ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ??? DELAYS AX = FFCEh CX = ??? Return: nothing???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - CLOSE PRINTER/PRINT FILE AX = FFCFh Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - PREPARE TO PRINT??? AX = FFD0h ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY PRINT OPTIONS MENU AX = FFD1h Return: BX = number of copies DX = destination 00h cancel 01h LPT1 02h LPT2 03h LPT3 04h COM1 05h COM2 06h disk file Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFD2h BX = ??? Return: BL = ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFD3h DS:SI -> 92-byte data record for ??? Return: ??? SeeAlso: AX=FED3hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - CREATE/OPEN/DELETE FILE AX = FFD4h BH = 3Ch create file (with no attributes) 3Dh open file 41h delete file BL = access mode 00h read only 01h write only 02h read/write DS:SI -> ASCIZ filename Return: BX = file handle 0000h on error Note: operation is attempted in (in order) the directory from which the desktop was started/run???, the directory specified with the filename, X:\PCTOOLS\, and X:\Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFD5h ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFD6h BX = ??? CX = ??? DX = offset in ??? ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFD7h ??? Return: BL = ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SAFE CREATE FILE AX = FFD8h DS:BX -> ASCIZ filename Return: BX = file handle 0000h on error Note: pops up confirmation menu if file already exists only available when popped up???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ??? AX = FFD9h Return: AX = ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET NAME OF LAST FILE OPENED AX = FFDAh DS:SI -> ??? (v5.1/5.5 only) Return: DS:SI -> filenameTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ??? AX = FFDBh BL = ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - UNHOOK AX = FFDCh Return: interrupt vectors 09h, 10h (v6.0+), 16h, 1Ch, and 21h restored to original values Index: uninstall;PC Tools DESKTOPTop
INT 16 U - PC Tools v5.1+ PCShell API - INSTALLATION CHECK AX = FFDDh BX = 0000h Return: CX = 5555h DX = 5555h if PCShell installed in resident modeTop
INT 16 U - PC Tools v5.1+ PCShell API - REQUEST POP-UP AX = FFDDh BX = 0001h Return: CF clear if request successful (PCShell will pop up) CF set on error SeeAlso: AX=FFDDh/BX=0003hTop
INT 16 U - PC Tools v5.1-5.5 PCShell API - GET ??? AX = FFDDh BX = 0002h Return: AL = 00h ??? 01h ??? Note: PCShell v6.0+ displays the error message "Incorrect PCRUN version", awaits a keystroke, and aborts the current processTop
INT 16 U - PC Tools v5.1+ PCShell API - REQUEST POP-UP AX = FFDDh BX = 0003h SeeAlso: AX=FFDDh/BX=0001hTop
INT 16 U - PC Tools v5.1+ PCShell API - GET ??? AX = FFDDh BX = 0004h Return: CF clear if successful DS:SI -> ???Top
INT 16 U - PC Tools v5.1+ PCShell API - ??? AX = FFDDh BX = 0005h ??? Return: ??? Note: resets various variables if certain conditions are metTop
INT 16 U - PC Tools v5.1+ PCShell API - ??? AX = FFDDh BX = 0006h ??? Return: ??? Note: resets various variables if certain conditions are metTop
INT 16 U - PC Tools v5.1+ PCShell API - SET ??? FLAG AX = FFDDh BX = 0007h Return: CF clear if successful SeeAlso: AX=FFDDh/BX=0008hTop
INT 16 U - PC Tools v5.1+ PCShell API - CLEAR ??? FLAG AX = FFDDh BX = 0008h Return: CF undefined SeeAlso: AX=FFDDh/BX=0007hTop
INT 16 U - PC Tools v6.0+ PCShell API - GET PCRUN PARAMETERS AX = FFDDh BX = 0009h Return: CF clear if successful DS:SI -> list of pointers (see #00624) Format of PC Tools PCShell returned pointer list: Offset Size Description (Table 00624) 00h WORD offset of WORD containing ??? 02h WORD offset of name of program to execute 04h WORD offset of 80-byte buffer for ??? 06h WORD offset of buffer for ??? (length in WORD preceding buffer) 08h WORD offset of buffer for ??? (length in WORD preceding buffer)Top
INT 16 U - PC Tools v6.0+ PCRUN API - INSTALLATION CHECK AX = FFDDh BX = 000Ah Return: CX = 5555h if running DX = 5555h Note: also sets a flagTop
INT 16 U - PC Tools v6.0+ PCRUN API - ??? AX = FFDDh BX = 000Bh ??? Return: CX = 5555h if PCRUN active DX = 5555h Note: also clears flag set by AX=FFDDh/BX=000AhTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY POPUP MENU AX = FFDEh DS:DX -> menu description (must be on a paragraph boundary) Return: AX = ??? AL seems to be the number of the selected button Note: available only when popped up SeeAlso: AX=FFEEhTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFDFh ??? Return: ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFE0h CX = ??? DX = ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - BEEP AX = FFE1hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFE2h DX = ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - PRINT CHARACTER AX = FFE3h BL = character to print to currently open printer or print file Return: CF set on error Note: available only when popped up SeeAlso: INT 17/AH=00hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFE4h DX = segment of ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - POP UP FILE SELECTION MENU AX = FFE5h DS:SI -> ASCIZ wildcard filespec followed by ASCIZ menu title DX = segment of window parameters??? Return: AX = DOS file handle for file DS:DX -> filename??? FFFFh if function cancelled by user Note: available only when popped up SeeAlso: AX=FFDAhTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - CHECK FOR AND GET KEYSTROKE AX = FFE6h Return: AX = 0000h if no key available else BIOS keycode Notes: available only when popped up invokes INT 28 idle interrupt before checking for keyTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFE7h BX = segment of ??? Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY NUMBER AX = FFE8h CX = number DH = attribute DS:SI -> destination for ASCII number Return: DS:SI buffer filled in with alternating characters and attributesTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET FILE LIST??? AX = FFE9h Return: BX = segment of file/directory list (14 bytes per file, NUL-padded) Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY COUNTED STRING AX = FFEAh DS:SI -> counted string (count byte followed by string) Return: ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFEBh ??? Return: ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET KEY AX = FFECh DS:SI -> FAR routine to ??? BX = ??? ??? Return: AX = keystroke FFFFh if F10 pressed to go to menu Notes: available only when popped up invokes INT 28 while waiting for keystroke F10 is hotkey to Desktop menu Index: hotkeys;PC Tools DESKTOPTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET ??? AX = FFEDh Return: AX = ??? Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DEFINE PULLDOWN MENUS AX = FFEEh DS:SI -> pulldown menu system description (see #00625) Return: AX destroyed Notes: available only when popped up if the accessory does not need any menu items of its own, it should call AX=FFFAh instead SeeAlso: AX=FFF7h,AX=FFFAh Format of PC Tools DESKTOP pulldown menu system description: Offset Size Description (Table 00625) 00h WORD offset of menu bar contents (counted string) 02h WORD number of items on menu bar 04h 10 BYTEs scan codes for hotkeying to each of up to ten menu items 0Eh 10 BYTEs which character to highlight in each menu item (01h=first) 18h WORD offset of first menu definition (see #00626) 1Ah WORD offset of second menu definition ... Format of PC Tools DESKTOP menu definition: Offset Size Description (Table 00626) 00h WORD offset of menu contents (see #00627) 02h WORD number of entries in menu 04h for each entry: Offset Size Description 00h BYTE scancode of Alt-key to invoke entry 01h BYTE character to highlight (01h=first, etc) 02h WORD offset of FAR routine to handle selection Format of PC Tools DESKTOP menu contents: Offset Size Description (Table 00627) 00h BYTE number of lines in menu 01h BYTE width of menu 02h N BYTEs counted strings, one for each line in menuTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - INSTALLATION CHECK AX = FFEFh CX = 0000h Return: CX = ABCDh if PC Tools DESKTOP.EXE installed BX = segment of resident portion AX = ??? (v5.1/5.5 only) SeeAlso: AX=FEEFh,AX=FFC5h,AX=FFF3hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SET ??? AX = FFF0h DX = ??? Return: AX destroyed Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ALTERNATE INSTALLATION CHECK AX = FFF1h BX = 0000h leave ??? flag as is nonzero set ??? flag Return: CX = 5555h if installed DX = 5555hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DISPLAY HELP LINE AX = FFF2h DS:SI -> ASCIZ function key label string (each label preceded by '[') or help text Return: AX destroyed Notes: available only when popped up if the specified string does not start with '[', it is displayed centered on the bottom line, else the function key labels are shownTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - PREPARE TO UNLOAD RESIDENT DESKTOP AX = FFF3h Note: releases any EMS being used; restores video mode, page, and cursor shape; and restores interrupt vectors SeeAlso: AX=FFC5h,AX=FFEFh Index: uninstall;PC Tools DESKTOPTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - ??? AX = FFF4h ??? Return: ??? Note: available only when popped up SeeAlso: AX=FFF6hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET SCREEN ATTRIBUTE ARRAY AX = FFF5h Return: ES:BX -> screen attributes data structure (see #00628) AL = ??? (v6.0+) Format of PC Tools DESKTOP attribute data structure: Offset Size Description (Table 00628) -1 BYTE attribute for desktop background 00h BYTE attribute for normal characters on desktop menu 01h BYTE attribute for highlighted characters on desktop menu 02h 5 BYTEs ??? 07h BYTE attribute for dialog boxes 08h 15 BYTEs ??? 17h BYTE attribute for message boxesTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - INVOKE NOTEPAD EDITOR AX = FFF6h DS = segment of editor buffer structure (see #00629) BX = ??? DX = segment of window parameters structure (see #00622) Return: ??? Note: available only when popped up SeeAlso: AX=FFF4h Format of PC Tools DESKTOP editor buffer structure: Offset Size Description (Table 00629) 00h WORD offset of current cursor position in buffer segment 02h 2 BYTEs ??? 04h WORD offset of beginning of file data in buffer segment 06h 10 BYTEs ??? 10h N BYTEs ASCIZ name of file being editedTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - PROCESS MENU BAR ENTRY??? AX = FFF7h DS:SI -> ??? ??? Return: ??? Notes: available only when popped up performs input processing on the menu bar set up with AX=FFEEh SeeAlso: AX=FFEEh,AX=FFFBhTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DRAW EMPTY WINDOW AX = FFF8h DS:0000h -> window parameters structure (see #00622) DS:BX -> DWORD to store address of ??? on screen Return: ???Top
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DEFINE SCREEN REFRESH ROUTINE AX = FFF9h ES:BX -> FAR routine to redisplay the utility's window Note: available only when popped upTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - DEFINE STANDARD PULLDOWN MENUS AX = FFFAh Notes: available only when popped up adds the "Window" option to the "Desktop" option which is the only one available when no accessories are active. Unlike AX=FFEEh, no additional menu items are added between "Desktop" and "Window" SeeAlso: AX=FFEEh,AX=FFFBhTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - PROCESS STANDARD MENU BAR AX = FFFBh Return: ??? Notes: available only when popped up performs input processing on the standard menu bar set up with AX=FFFAh SeeAlso: AX=FFF7hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - GET HOTKEYS AND KEYBOARD VECTOR AX = FFFCh Return: ES:BX -> hotkey table (see #00630) DS:DX = original INT 09 vector Format of PC Tools DESKTOP hotkey table: Offset Size Description (Table 00630) 00h 2 BYTEs scancode/shift state for desktop hotkey 02h 2 BYTEs scancode/shift state for clipboard paste key 04h 2 BYTEs scancode/shift state for clipboard copy key 06h 2 BYTEs scancode/shift state for screen autodial keyTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - COPY ??? AX = FFFDh Return: AX destroyed Note: copies 4000 bytes from ??? to ??? under certain circumstances SeeAlso: AX=FF91h,AX=FF92hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - SHOW MOUSE CURSOR AX = FFFEh SeeAlso: AX=FFFFh,INT 33/AX=0001hTop
INT 16 U - PC Tools v5.1-8.0 DESKTOP - HIDE MOUSE CURSOR AX = FFFFh SeeAlso: AX=FFFEh,INT 33/AX=0002hTop