No GBA Games will play [Wii]

RetroArch crashes and returns me to the Homebrew channel. I have messed with settings, though I can’t think of any that would keep GBA games from running. GBC games run just fine, or at least Shantae does (I haven’t tried any others yet, but have tried multiple GBA games). Any ideas what to do, or what might be causing this? I’ve tried with both .zip and .gba files, from both my USB and my SD card.

Do you have a bios file and have it placed in the correct folder? Sounds like that’s the issue.

Nah, I forgot that RetroArch needed that, funnily enough, since most other GBA emulators don’t. Oddly enough, I got it to play by switching which port the USB was in. Also, what all controllers can I use with RetroArch? I was under the impression that I could only use controllers that were compatible with the Wii normally.

VBA Next doesn’t need/look for a GBA bios.

There’s support for most Wii related inputs. Support for PS3 controllers was implemented but was turned down because of latency(?) issues. I think general hid support would be a neat idea, like adapting Nintendont’s code into this.