Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
@holmes I know it's not the same subject, but in the documentation about configuring controls, it mentions another way, have you taken a look?
https://wiki.recalbox.com/en/tutorials/controllers/configuration-of-customized-buttons/n64-controller-configuration