Int 16 Fn 22  - Keyboard - Get 122-key Shift Status (122-key Kbd Support   [B]

   AH = 22h

Return: AL = shift flags 1 (see #0511)
   AH = shift flags 2 (see #0512)

Notes: use AH=09h to determine whether this function is supported
   K3PLUS v6.00+ supports this function as an alias of AH=12h

See Also: AH=02h,AH=09h,AH=12h,AH=20h,AH=21h