INT 10 - ATI Mach64 BIOS - GET ???

	AX = A00Fh
Return: AH = 00h (successful)
	CL = ??? (00h-03h, read from PORT 42ECh)
Note:	NOP in All-in-Wonder 128 BIOS
SeeAlso: AX=A000h,AX=A00Eh