#define dot_width 16
#define dot_height 16
static char dot_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x03, 0xf0, 0x0f, 0xf0, 0x0f,
   0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf0, 0x0f, 0xf0, 0x0f,
   0xc0, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};