Int 16 Fn 2C  - Hunter 16 - Redefine Raw Key Codes                         [b]

   AH = 2Ch
   AL = Matrix code of key (see AH=29h)
   BL = new key code

Return: AL = status (00h success, nonzero failed)
Desc:  redefine the key code generated by holding the PAW key down and
     pressing the key in AL

See Also: AH=24h,AH=2Bh