Int 10 Fn 5F90  - Chips & Technologies Extended Bios - Get Supervga State  [V]

   AX = 5F90h
   CX = state mask (see #0118)

Return: AL = 5Fh if function supported
       BX = number of 64-byte blocks required

See Also: AH=1Ch,AX=5F03h,AX=5F91h,AX=5F92h

Bitfields for Chips&Technologies state mask:
Bit(s) Description (Table 0118)
 0 video hardware
 1 BIOS data state
 2 DAC state
 15    type (0 all state info, 1 SuperVGA state only)