#define windows_width 16
#define windows_height 16
static char windows_bits[] = {
   0x00, 0x00, 0xc0, 0x7f, 0x74, 0x44, 0x68, 0x44, 0x60, 0x44, 0x74, 0x44,
   0xe8, 0x7f, 0x60, 0x44, 0x74, 0x44, 0x68, 0x44, 0x60, 0x44, 0xf4, 0x7f,
   0xe8, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};