#define background_width 30
#define background_height 15
static char background_bits[] = {
   0xff, 0xff, 0xff, 0x3f, 0x00, 0x40, 0x01, 0x00, 0x20, 0x40, 0x11, 0x10,
   0x00, 0x40, 0x01, 0x00, 0x01, 0x41, 0x81, 0x00, 0x10, 0x40, 0x01, 0x00,
   0x00, 0x40, 0x11, 0x08, 0x00, 0x40, 0x01, 0x00, 0xff, 0xff, 0xff, 0x3f,
   0x02, 0x00, 0x00, 0x20, 0x22, 0x00, 0x08, 0x22, 0x02, 0x20, 0x20, 0x20,
   0x02, 0x00, 0x00, 0x20, 0x42, 0x84, 0x10, 0x22, 0x02, 0x00, 0x00, 0x20};
