#define control_width 8
#define control_height 16
static unsigned char control_bits[] = {
   0x00, 0x00, 0x38, 0x44, 0x04, 0x04, 0x44, 0x38, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00 };