Int 62 Fn 001D  u - Fgdriver V3.03 - "fg_drawmask" - Display Image (maski  [V]

   AX = 001Dh
   ES:BX -> array containing image stored as a masking map (see below)
   CX = number of pixel runs in masking map
   DX = width of masking map in pixels

Notes: For FGDRIVER v1.10, this function was "FG_MAPRGB" (see AX=005Ah);
     "FG_DRAWMASK" was AX=0051h
   This call is ignored in text modes and in native EGA and VGA graphics
     modes
   The image is drawn with its lower left corner at the current graphics
     cursor position

See Also: AX=000Fh,AX=001Dh,AX=0086h,AX=008Ch

Format of masking map:
Offset Size    Description
 00h   BYTE    length of first "protect" run (pixels remain unchanged)
 01h   BYTE    length of first "zero" run (pixels set to background color)
 02h   BYTE    length of second "protect" run
 03h   BYTE    length of second "zero" run
   ...