#define mag_width 16
#define mag_height 16
static char mag_bits[] = {
   0x00, 0x00, 0xe0, 0x03, 0xf0, 0x0f, 0x18, 0x0c, 0x1c, 0x1c, 0x0c, 0x18,
   0x0c, 0x18, 0x0c, 0x18, 0x0c, 0x18, 0x1c, 0x1c, 0x18, 0x0c, 0x18, 0x0c,
   0x00, 0x00, 0x54, 0x15, 0x12, 0x24, 0x00, 0x00};
