CALL C000h:0070h U - ATI Mach32 VIDEO 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. - ???
InstallCheck: ATI Mach32 video board must be installed
SeeAlso: @C000h:0064h,@C000h:0068h,@C000h:006Ch


(Table F0020)
Call ATI Mach32 entry point with:
	AH = function
	    00h ???
	    01h ???
	    02h ???
		AL = subfunction
		    00h ???
		    01h ???
	    03h ???
		AL = ??? (00h/nonzero)
Return: CF clear if successful
	CF set on error