#define cannon_width 16
#define cannon_height 16
static char cannon_bits[] = {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0x01,0xf8,
 0x7f,0xf8,0x7f,0xf0,0x07,0xd8,0x05,0xac,0x02,0xc7,0x01,0x00,0x00,0x00,0x00,
 0x00,0x00};