https://blog.faceutil.com/2017/05/31/n64-%eb%8b%8c%ed%85%90%eb%8f%8464-%ec%97%90%eb%ae%ac%eb%a0%88%ec%9d%b4%ed%84%b0-%ed%94%84%eb%a1%9c%ec%a0%9d%ed%8a%b8-64-2-1-%eb%b2%84%ec%a0%84%ec%9e%85%eb%8b%88%eb%8b%a4-project64-v2-1-%e3%8e%9b/