#define timer_mask_width 16
#define timer_mask_height 16
static short timer_mask_bits[] = {
   0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe,
   0x3ffc, 0x3ffc, 0x1ff8, 0x0ff0,
   0x0ff0, 0x1ff8, 0x3ffc, 0x3ffc,
   0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe};
