INT 10 - VIDEO - DISPLAY COMBINATION (PS,VGA/MCGA)              

Input

Output

AX

1Ah 00h   1Ah if Success AX

BX

    Alt Disp Code Active Disp Code BX

CX

        CX

DX

        DX
ES:DI     ES:DI
Read display combination code

Input

Output

AX

1Ah 01h   1Ah if Success AX

BX

Alt Disp Code Active Disp Code     BX

CX

        CX

DX

        DX
ES:DI     ES:DI
Display combination codes:

               00h no display
               01h monochrome adapter w/ monochrome display
               02h CGA w/ color display
               03h reserved
               04h EGA w/ color display
               05h EGA w/ monochrome display
               06h PGA w/ color display
               07h VGA w/ monochrome analog display
               08h VGA w/ color analog display
               09h reserved
               0Ah MCGA w/ digital color display
               0Bh MCGA w/ monochrome analog display
               0Ch MCGA w/ color analog display
               FFh unknown display type


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