https://blog.faceutil.com/2017/03/25/msx-%ed%8c%90%ed%83%80%ec%a7%80%ec%a1%b4-fantasy-zone-%e3%83%95%e3%82%a1%e3%83%b3%e3%82%bf%e3%82%b8%e3%82%be%e3%83%b3-%e3%88%9b/