https://blog.faceutil.com/2017/03/31/msx-%eb%94%a5-%eb%8d%98%ec%a0%84-2-%ec%9a%a9%ec%82%ac%ec%9d%98-%eb%ac%b8%ec%9e%a5-deep-dungeon-2-yuushi-no-monshou-%e3%83%87%e3%82%a3%e3%83%97%e3%83%80%e3%83%b3%e3%82%b8%e3%83%a7%e3%83%b3/