Category: <b>video</b>
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<pre><b>INT 10 - VESA SuperVGA BIOS v1.1+ - GET/SET DISPLAY START</b>

	AX = 4F07h
	BL = subfunction
	    00h,80h set display start
		CX = leftmost displayed pixel in scan line
		DX = first displayed scan line
	    01h get display start
		Return: BH = 00h
			CX = leftmost displayed pixel in scan line
			DX = first displayed scan line
	BH = 00h (reserved)
Return: AL = 4Fh if function supported
	AH = status
	    00h successful
	    01h failed
Notes:	this function is valid in text modes, provided that values are
	  multiplied by the character cell width/height
	subfunction 80h waits until vertical retrace before changing the
	  display start address (VBE v2.0+)
SeeAlso: AX=4F01h,AX=4F05h,AX=4F06h
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