Tim 🎮 on Nostr: there are projects dedicated to it - the Necroware adapter is the most complete ...

there are projects dedicated to it - the Necroware adapter is the most complete example: https://github.com/necroware/gameport-adapter

It's still a FOSS side project run by someone without the time and opportunity to work on it constantly, and maybe someday I'll skill up enough in programming to be able to contribute, but for now there's not much I can do to further it.