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Copyright 1991 David Jurgens |
INT 29 - DOS Fast Character I/O (Undocumented 2.x+)
AL = character to write
returns nothing ???
- used by DOS device drivers to output data to the screen if
bit 4 of the device attribute word is set
- similar to INT 21,2 and INT 21,9 but much faster
- simply calls the BIOS INT 10,E in DOS versions 2.x and 3.x
- advances the cursor after character output
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| Esc or Alt-X to exit |
int 29 |
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