INT 10 - DGIS(Direct Graphics Interface Standard) - INQUIRE INT 10 OUTPUT DEVICE
AX = 6A02h
ES:DI = 0000h:0000h
Return: ES:DI = 0000h:0000h if current display is non-DGIS
else address of the current DGIS(Direct Graphics Interface Standard) INT 10 display
SeeAlso: AX=6A00h,AX=6A01h