INT 10 - VIDEO - FLAT-PANEL - DISPLAY POSITION

	AX = 1E02h
	BH = function
	    bit 7: =1 set display position, =0 query position
	    bits 6-0: reserved (0)
	---if BH bit 7 set---
	BL = new position setting (see #00055)
Return: AL = 1Eh if function supported
	    BH = results
		bit 7: query/set (copied from input)
		bits 6-4: reserved (0)
		bit 3: positioning to top is supported by hardware
		bit 2: positioning to center is supported by hardware
		bit 1: positioning to bottom is supported by hardware
		bit 0: set operation was successful (always clear on get)
	    BL = active position setting (see #00055)
SeeAlso: AX=1E00h,AX=1E01h