Category: video

INT 10 - VESA VBE/DC (Display Data Channel) - READ VDIF

	AX = 4F15h
	BL = 02h
	???
Return: AL = 4Fh if function supported
	    AH = status
		00h successful
		    ???
		01h failed
SeeAlso: AX=4F15h/BL=00h,AX=4F15h/BL=01h