版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/jsnes/1.2.1/jsnes.js
- https://cdn.bootcdn.net/ajax/libs/jsnes/1.2.1/jsnes.js.map
- https://cdn.bootcdn.net/ajax/libs/jsnes/1.2.1/jsnes.min.js
- https://cdn.bootcdn.net/ajax/libs/jsnes/1.2.1/jsnes.min.js.map