Int 16 Fn 20  - Keyboard - Get 122-key Keystroke (122-key Kbd Support Onl  [B]

   AH = 20h

Return: AH = BIOS scan code (see AH=10h)
   AL = ASCII character

Note:  use AH=09h to determine whether this function is supported

See Also: AH=00h,AH=09h,AH=10h,AH=21h,AH=22h