Int 62 Fn 001F  u - Fgdriver V4.02 - "fg_drawmask" - Display Image (maski  [V]

   AX = 001Fh
   ES:BX -> array containing image stored as a masking map (see #3146)
   CX = number of pixel runs in masking map
   DX = width of masking map in pixels

Notes: the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145)
   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=0010h,AX=001Fh,AX=00A1h,AX=00A9h

Format of FGDRIVER masking map:
Offset Size    Description (Table 3146)
 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
   ...