Note: This API call is for DOS and Win16 personality only. Use Family API for portability.
Int 29H
Version
2 and higher
Brief
FAST CONSOLE OUTPUT
Family API
Input
- AL = character to display
Return
- nothing
Macro
Notes
BX may be destroyed by some versions of DOS 3.3
automatically called when writing to a device with bit 4 of its device driver header set (see also INT 21/AH=52h)
COMMAND.COM v3.2 and v3.3 compare the INT 29 vector against the INT 20 vector and assume that ANSI.SYS is installed if the segment is larger
the default handler under DOS 2.x and 3.x simply calls INT 10/AH=0Eh
the default handler under DESQview 2.2 understands the <Esc>[2J screen-clearing sequence, calls INT 10/AH=0Eh for all others
See Also
INT 21/AH=52h,INT 2F/AX=0802h,INT 79“AVATAR.SYS”
Note
Text based on Ralf Brown Interrupt List Release 61
| 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 |