https://blog.faceutil.com/2017/05/29/gba-gba-%ea%b2%8c%ec%9e%84%eb%b3%b4%ec%9d%b4-%ec%96%b4%eb%93%9c%eb%b0%b4%ec%8a%a4-%ec%97%90%eb%ae%ac%eb%a0%88%ec%9d%b4%ed%84%b0-visualboyadvance-m-svn-r1231-%cf%81/