https://blog.faceutil.com/2017/04/29/mame-%ed%94%84%eb%a0%88%eb%93%9c-%ed%94%8c%eb%a6%b0%ec%8a%a4%ed%86%a4-%eb%a9%94%eb%aa%a8%eb%a6%ac-%eb%a7%a4%ec%b9%98-fred-flintstones-memory-match-%eb%8b%a4%ec%9a%b4-%eb%8b%a4%ec%9a%b4/