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Table of Contents
Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability.
Note: osFree Macro Library provides macros for most of functions
Int 10H, AH=00H
Version
IBM 5150 and higher
Brief
Specify the display mode for the currently active display adapter
osFree Macro Library
Family API
Parameters
- AH = 00h
- AL = Mode
Return
- AL = video mode flag (Phoenix, AMI BIOS)
- 20h mode > 7
- 30h modes 0-5 and 7
- 3Fh mode 6
- AL = CRT controller mode byte (Phoenix 386 BIOS v1.10)
Notes
- IBM standard modes do not clear the screen if the high bit of AL is set (EGA or higher only)
Note
Text based on Ralf Brown Interrupt List Release 61
IBM PC BIOS API | |
---|---|
Video I/O | INT 10H: 00H, 01H, 02H, 03H, 05H, 06H, 07H, 08H, 09H, 0AH, 0BH, 0CH, 0DH, 0EH, 0FH |
Hardware info | INT 11H, INT 12H |
Serial I/O | INT 14H: 00H, 01H, 02H, 03H |
Tape I/O | INT 15H: 00H, 01H, 02H, 03H |
Keyboard I/O | INT 16H: 00H, 01H, 02H |
Printer I/O | INT 17H: 00H, 01H, 02H |
Disk I/O | INT 13H: 00H, 01H, 02H, 03H, 04H, 05H |
Date and Time | INT 1AH: 00H, 01H |
osFree Macro Library | |
---|---|
Video I/O | @SetMode @SetCurSz @SetCurPos @GetCur @SetPage @ScrollUp @ScrollDn @Scroll @GetChAtr @PutChAtr @PutCh @SetPalet @SetColor @SetDot @GetDot @WrtTTY @VideoState @GetMode @GetDisplay @GetVideoState @GetEGAInfo @Cls |
Hardware info | @Equipment @MemSize |
Serial I/O | @AuxInit @AuxSendChar @AuxRecieveChar @AuxStatus |
Tape I/O | @TapeOn @TapeOff @TapeRead @TapeWrite |
Keyboard I/O | @KbdStatus @CharIn @CharPeek |
Printer I/O | @PrnPrint @PrnInit @PrnStatus |
Disk I/O | @DskReset @DskStatus @DskRead @DskWrite @DskVerify @DskFormat |
Date and Time | @SetTime @GetTime |
Mouse | @MouInit @MouShowPointer @MouStatus @MouSetPos @MouSetMickey @MouRegion |
Memory manager | @ModBlok SET_BLOCK |