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Text File | 1986-11-24 | 13.0 KB | 396 lines

TITLE: The list Interrupt Description ------------------------------------------------------------------- CPU interrupts INT=00 Divide by zero execption INT=01 Single step INT=02 Non-maskable interrupt INT=03 Breakpoint INT=04 Fixed overflow INT=05 Print screen INT=06 PC-AT Invalid operation code INT=07 Reserved The following are the default external interrupt assignments for the 8259 interrupt controller. INT=08 Timer 0 interrupt INT=09 Keyboard interrupt INT=0A PC-AT Slave 8259 interrupt INT=0B COM2 RS-232 interrupt INT=0C COM1 RS-232 interrupt INT=0D PC/PC-XT/PPC Fixed disk adapter INT=0E Diskette adapter interrupt INT=0F Parallel printer interrupt BIOS Services: INT=10 Video services AH=00 Set mode AH=01 Set cursor type AH=02 Set cursor position AH=03 Read cursor position AH=04 Read light pen position AH=05 Select active display page AH=06 Scroll active page up AH=07 Scroll active page down AH=08 Read attribute & character AH=09 Write attribute & character AH=0A Write character only AH=0B Set color palette AH=0C Write dot AH=0D Read dot AH=0E Write teletype to active page AH=0F Current video state AH=10 EGA/PCjr Palette registers AL=00 EGA/PCjr Set palette reg AL=01 EGA/PCjr Set overscan reg AL=02 EGA/PCjr Set all registers AL=03 EGA Toggle intensify/blink AH=11 EGA Character generator Next few functions entail an implied mode set AL=00 EGA User alpha load AL=01 EGA ROM monochrome font AL=02 EGA ROM 8x8 double dot font AL=03 EGA Set block specifier Next group does not entail an implied mode set AL=10 EGA User alpha load AL=11 EGA ROM monochrome font AL=12 EGA ROM 8x8 double dot font Next group selects characters sets for graphics modes AL=20 EGA Graphic user alpha load AL=21 EGA Graphic 8 by X font AL=22 EGA Graphic ROM 8x14 font AL=23 EGA Graphic ROM 8x8 double AL=30 EGA Font Information AH=12 EGA Alternate select AH=13 EGA/PC-AT Write string INT=11 Equipment check INT=12 Memory size INT=13 Disk/Diskette services AH=00 Reset disk/diskette system AH=01 Read last operation status AH=02 Read sectors AH=03 Write sectors AH=04 Verify sectors AH=05 Format a track AH=06 Format with bad sector flags AH=07 Format drive AH=08 Return drive parameters AH=09 Init drive characteristics AH=0A Read long (data+ECC) AH=0B Write long (data+ECC) AH=0C Seek AH=0D Reset based on DL AH=0E Read sector buffer AH=0F Write sector buffer AH=10 Test drive ready AH=11 Recalibrate AH=12 Controller RAM diagnostic AH=13 Drive diagnostic AH=14 Controllr internal diagnostic AH=15 PC-AT Read DASD type AH=16 PC-AT Disk change line status AH=17 PC-AT Set DASD type INT=14 Serial port services AH=00 Init communications port AH=01 Send character AH=02 Receive character AH=03 Return communications status INT=15 Cassette services (PC/PCjr) AH=00 Start cassette motor AH=01 Stop cassette motor AH=02 Read cassette AH=03 Write cassette PC-AT System Extensions for Multitasking AH=80 PC-AT Device open AH=81 PC-AT Device close AH=82 PC-AT Program termination AH=83 PC-AT Event wait AH=84 PC-AT Joystick support AH=85 PC-AT SysReq key AL=00 PC-AT SysReq key make AL=01 PC-AT SysReq key break AH=86 PC-AT Wait AH=87 PC-AT Move block AH=88 PC-AT Extended memory size AH=89 PC-AT Processor to virtual mode AH=90 PC-AT Device busy AH=91 PC-AT Interrupt complete flag INT=16 Keyboard services AH=00 Read next char from keyboard AH=01 Test if char available AH=02 Return shift status INT=17 Printer services AH=00 Print character AH=01 Initialize printer AH=02 Return printer status INT=18 Enter Cassette basic INT=19 Load and execute bootstrap INT=1A Timer services AH=00 Read time of day clock AH=01 Set time of day clock AH=02 PC-AT Read real time clock AH=03 PC-AT Set real time clock AH=04 PC-AT Read date AH=05 PC-AT Set date AH=06 PC-AT Set alarm AH=07 PC-AT Reset alarm INT=1B BIOS level Ctrl-Break exit INT=1C Timer tick user exit INT=1D TABLE Used for video parameters INT=1E TABLE Used for diskette parameters INT=1F TABLE Used for graphics characters INT=20 Program termination DOS FUNCTION CALLS INT=21 DOS services AH=00 Alternate program termination AH=01 Keyboard Input AH=02 Display output AH=03 Auxiliary input AH=04 Auxiliary output AH=05 Printer output AH=06 Direct console I/O AH=07 Direct console input w/o echo AH=08 Console input w/o echo AH=09 Print string AH=0A Buffered keyboard input AH=0B Check stdin status AH=0C Clear keyboard buf & invoke AH=0D Disk reset AH=0E Select disk AH=0F Open file using FCB AH=10 Close file using FCB AH=11 Search for 1st entry w FCB AH=12 Search for next entry w FCB AH=13 Delete file using FCB AH=14 Sequential read using FCB AH=15 Sequential write using FCB AH=16 Create file using FCB AH=17 Rename file using FCB AH=18 AH=19 Current disk AH=1A Set disk transfer address AH=1B Allocation table info AH=1C Alloc table info for drive AH=1D AH=1E AH=1F AH=20 AH=21 Random read using FCB AH=22 Random write using FCB AH=23 File size using FCB AH=24 Set relative record# in FCB AH=25 Set interrupt vector AH=26 Create new program segment AH=27 Random block read using FCB AH=28 Random block write using FCB AH=29 Parse filename AH=2A Get date AH=2B Set date AH=2C Get time AH=2D Set time AH=2E Set/reset verify switch AH=2F Get disk transfer address DOS 2 or later from here on AH=30 Get DOS version number AH=31 Term process & stay resident AH=32 Get disk parameter block AH=33 Ctrl-break check AH=34 Get "in DOS" flag AH=35 Get interrupt vector AH=36 Get disk free space AH=37 Get/set switch char AH=38 Get/set country dep. info AH=39 Create subdirectory AH=3A Remove subdirectory AH=3B Change current directory AH=3C Create a file AH=3D Open a file AH=3E Close a file handle AH=3F Read from file/dev w handle AH=40 Write to file/dev w handle AH=41 Delete a file (Unlink) AH=42 Move file read/write pointer AH=43 Change file mode AH=44 I/O control for devices AL=00 Get device information AL=01 Set device information AL=02 Read ctrl info from handle AL=03 Write ctrl info to handle AL=04 Read ctrl info from drive AL=05 Write ctrl info to drive AL=06 Get input status AL=07 Get output status AL=08 Block device changeable? AL=09 Block device redirected? AL=0A Handle redirected? AL=0B Change sharing retry count AH=45 Duplicate file handle AH=46 Force duplicate of handle AH=47 Get current directory AH=48 Allocate memory AH=49 Free allocated memory AH=4A Modify alloc memory block AH=4B Load or execute a program AL=00 Execute a program AL=03 Load a program AH=4C Terminate a process (EXIT) AH=4D Get return code of subprocess AH=4E Find 1st matching file AH=4F Find next matching file AH=50 AH=51 AH=52 AH=53 AH=54 Get verify setting AH=55 AH=56 Rename a file AH=57 Get/set file date and time AH=58 DOS 3.0 or later from here on AH=59 Get extended error AH=5A Create a temporary file AH=5B Create a new file AH=5C Lock/Unlock file access AL=00 Lock AL=01 Unlock AH=5D DOS 3.1 or later from here on AH=5E PC Network Program services AL=00 Get machine name AL=02 Printer setup AH=5F AL=02 Get redirection list entry AL=03 Redirect device AL=04 Cancel redirection AH=60 AH=61 AH=62 Get program segment address INT=22 DOS Terminate address INT=23 DOS Ctrl-Break exit INT=24 DOS Critical error handler INT=25 DOS Absolute disk read INT=26 DOS Absolute disk write INT=27 DOS Terminate & stay resident INT=28 DOS Idle signal INT=29 DOS TTY output INT=2A DOS Critical section INT=2F DOS Multiplex interrupt Following subfunctions are defined for the DOS resident PRINT command: AH=01 DOS Resident PRINT command AL=00 Get installed state AL=01 Submit file AL=02 Cancel file AL=03 Cancel all files AL=04 Status AL=05 End of status AH=11 DOS Multiplex Signals INT=30 (Treat these as a table) Not available. Used for DOS INT=31 Long Jump Interface INT=40 Revectored diskette I/O INT=41 Table only 1st hard disk parameters INT=42 EGA Revectored video INT 10 INT=43 Table only EGA Video Parameters INT=44 Table only EGA/PCjr 1st 128 Graphic Chars INT=46 Table only PC-AT 2nd hard disk parameters INT=48 PCjr Xlate from 62-key keyboard INT=49 Tables only PCjr Scan code translate table Next 2 entries defined for PC-AT only INT=4A PC-AT alarm interrupt user exit INT=50 PC-AT Periodic/alarm interrupt INT=5A PC Cluster functions INT=5B PC Cluster revectored INT 19 INT=5C PC Network functions Available for user program use INT=60 INT=61 INT=62 INT=63 INT=64 INT=65 INT=66 INT=67 The following 8 entries are the default external interrupt assignments for the PC-AT secondary 8259. INT=70 PC-AT Real-time clock INT=71 PC-AT Redirected to IRQ2 INT=72 PC-AT Reserved INT=73 PC-AT Reserved INT=74 PC-AT Reserved INT=75 PC-AT 80287 Coprocessor INT=76 PC-AT Fixed disk controller INT=77 PC-AT Reserved INT=E1 Table only PC Cluster disk server info INT=E2 PC Cluster revectored INT 1C