#define z_width 16
#define z_height 16
static char z_bits[] = {
   0xff, 0xff, 0xff, 0x7f, 0x00, 0x38, 0x00, 0x1c, 0x00, 0x0e, 0x00, 0x07,
   0xf8, 0x3f, 0xfc, 0x1f, 0xe0, 0x00, 0x70, 0x00, 0x38, 0x00, 0x1c, 0x00,
   0x0e, 0x00, 0x07, 0x00, 0xff, 0xff, 0xff, 0xff};