Int 62 Fn 00AD  u - Fgdriver V4.02 - "fg_setfunc" - Set Logical Operation  [V]

   AX = 00ADh
   BX = operation
       0000h replacement
       0001h AND
       0002h OR
       0003h XOR

Notes: the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)
   This function is only available in native EGA/VGA graphics modes
     (0Dh to 12h)

See Also: AX=001Eh,AX=008Fh