#define bg1_width 16
#define bg1_height 16
static char bg1_bits[] = {
   0x11, 0x11, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00, 0x11, 0x11, 0x00, 0x00,
   0x44, 0x44, 0x00, 0x00, 0x11, 0x11, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
   0x11, 0x11, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00};