INT 10 - VIDEO - SET DISPLAY COMBINATION CODE (PSIBM PS/2, any model,VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers./MCGAMulti-Color Graphics Array(Multi-Color Graphics Array) The low-end color adapter offered in IBMInternational Busiuness Machines's early PS/2IBM PS/2, any model series machines.)
	AX = 1A01h
	BL = active display code (see #00039)
	BH = alternate display code
Return: AL = 1Ah if function was supported
SeeAlso: AH=12h/BL=35h,AX=1A00h