#define tile_width 16
#define tile_height 16
static unsigned char tile_bits[] = {
   0xff, 0x80, 0xfc, 0x80, 0x70, 0xc0, 0xc0, 0xc0, 0xe0, 0xe3, 0xe0, 0xef,
   0xf0, 0xff, 0xf0, 0xdf, 0xfb, 0x0f, 0xff, 0x0f, 0xf7, 0x07, 0xc7, 0x07,
   0x03, 0x03, 0x03, 0x0e, 0x01, 0x3f, 0x01, 0xff};