|
|
Copyright 1991 David Jurgens |
INT 10,1A - Video Display Combination (VGA)
AH = 1A
AL = 00 get video display combination
= 01 set video display combination
BL = active display (see table below)
BH = inactive display
on return:
AL = 1A, if a valid function was requested in AH
BL = active display (AL=00, see table below)
BH = inactive display (AL=00)
Valid display codes:
FF Unrecognized video system
00 No display
01 MDA with monochrome display
02 CGA with color display
03 Reserved
04 EGA with color display
05 EGA with monochrome display
06 Professional graphics controller
07 VGA with analog monochrome display
08 VGA with analog color display
09 Reserved
0A MCGA with digital color display
0B MCGA with analog monochrome display
0C MCGA with analog color display
- returns value at byte 40:8A indicating display combination status
- used to detect video display capabilities
|
|
| Esc or Alt-X to exit |
int 10,1a |
Home/PgUp/PgDn/End ←↑↓→ |