#define garbage_mask_width 16
#define garbage_mask_height 16
static short garbage_mask_bits[] = {
   0xffff, 0xffff, 0xffff, 0xffff,
   0xffff, 0xffff, 0xffff, 0xfff8,
   0xfff8, 0xfffc, 0xfffc, 0xffff,
   0xffff, 0xffff, 0xffff, 0xffff};
