https://blog.faceutil.com/2017/04/30/mame-%ec%8a%a4%eb%85%b8%ec%9a%b0-%eb%b8%8c%eb%9d%bc%eb%8d%94%ec%8a%a4-%eb%8b%89-%ed%86%b0-snow-bros-nick-tom-%eb%8b%a4%ec%9a%b4-%eb%8b%a4%ec%9a%b4%eb%a1%9c%eb%93%9c-down/