INT 10 - ATI Rage128 BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - GET/SET ???
	AX = A015h
	CH = subfunction
	    00h get ???	
	    01h set ???
	       CL = ??? (only bits 0,1 used on All-in-Wonder 128)
	    other NOP
Return: AH = status
	    00h successful
	    01h failed
	???
SeeAlso: AX=A014h,AX=A017h