https://blog.faceutil.com/2017/03/30/gba-%ec%8a%88%ed%8d%bc-%eb%a7%88%eb%a6%ac%ec%98%a4-%eb%b3%bc-super-mario-ball-%e3%82%b9%e3%83%91%e3%83%9e%e3%83%aa%e3%82%aa%e3%83%9c%e3%83%ab-%eb%a7%88%eb%a6%ac%ec%98%a4-%ed%95%80%eb%b3%bc/