INT 10 - Chips & Technologies Extended BIOS - GET SUPERVGA STATE BUFFER SIZE AX = 5F90h CX = state mask (see #00185) Return: AL = 5Fh if function supported BX = number of 64-byte blocks required SeeAlso: AH=1Ch,AX=5F03h,AX=5F91h,AX=5F92h,AX=5FA0h