#define screen_width 9
#define screen_height 9
static unsigned char screen_bits[] = {
   0xff, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
   0xff, 0x01, 0x10, 0x00, 0x7c, 0x00 };