I'll take a guess and think that the Home menu got corrupted, so I'd try to replace that. You're in Godmode9 so you can hardly screw up. I tried looking up your problem and didn't find anything either.
Seems like It's not your easy sit-in-the-afternoon project sadly, but @FAST6191 did cover this GBA article which could help you out.
https://gbatemp.net/threads/gbatemp-rom-hacking-documentation-project-new-2016-edition-out.73394/
We had a lot of cases regarding emulation and legality. I can also use Yuzu (among any other emulator) to play my legally owned games at higher framerates or higher resolution.
But any desktop OS, I've never had anything but frustration trying to get Bluetooth devices to work reliably and stable. It might pair and connect once, and then next time I go to use it I have to delete and re-pair it again
Even my Xbox One controller I have it paired to my desktop over Bluetooth, it USUALLY works but sometimes it refuses to connect and I have to delete and re-pair it. Maddening
ive never had luck with built in bt transmitters. They're always in the back of the pc and signal is super crummy vs a usb bt dongle in the front of the pc,
And the In Search of Darkness documentaries 1, 2, and 3. They've like 4+ hrs each. Say the first already but it's been a long time. Never saw the 2nd two yet.
@RedColoredStars:
And the In Search of Darkness documentaries 1, 2, and 3. They've like 4+ hrs each. Say the first...