INT 10 - VIDEO - FLAT-PANEL - LCD/CRT DISPLAY CONTROL

	AX = 1E01h
	BH = function
	    bit 7: =1 set display control, =0 query control
	    bits 6-0: reserved (0)
	---if BH bit 7 set---
	BL = new display combination (see #00054)
Return: AL = 1Eh if function supported
	    BH = results
		bit 7: query/set (copied from input)
		bits 6-3: reserved (0)
		bit 2: simultaneous display is supported by hardware
		bit 1: LCD/CRT display control supported by hardware
		bit 0: set operation was successful (always clear on get)
	    BL = active display combination (see #00054)
SeeAlso: AX=1E00h,AX=1E02h