https://blog.wongcw.com/2018/12/15/%e4%bb%bb%e5%a4%a9%e5%a0%82%e7%9a%84nes%e5%92%8csnes%e5%8d%b3%e5%b0%87%e4%b8%8d%e5%86%8d%e7%94%9f%e7%94%a2%e5%b8%8c%e6%9c%9b%e5%a4%a7%e5%ae%b6%e9%83%bd%e5%8e%bbswitch%e5%9c%a8%e7%b7%9a%e7%8e%a9/