INT 62 u - FGDRIVER v3.03 - "FG_DRAWMASK" - DISPLAY IMAGE (MASKING MAP)
        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
SeeAlso: 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
        ...

.