Super Game Boy enhancement not working for Pokemon Yellow.

[bslenul]

Hey!

• Pokemon Yellow seems to be the only Game Boy game with both Game Boy Color AND Super Game Boy enhancements.
• GBC enhancement works fine as you can see on the screen below, SGB enhancement however doesnt work and that's the issue.
• With Game Boy Color model set to Autodetect in the settings no problem, the game runs like a GBC game:

(same behavior with the option set to Game Boy Color or Game Boy Advance)

• With the option set to Game Boy again no problem the game runs like a GB game:

• But with the option set to Super Game Boy, instead of having colors and SGB borders like this, the game is in black and white and borders are white:

• SGB enhancement works perfectly fine on other games like Pokemon Red/Blue. I guess this is because of the GBC enhancement of Yellow?

Screens taken from RetroArch but results are the same with mGBA-build-2018-06-03-win32-5135-f8759a8760f4af6bd12188beeae82fb4e2ea5585 on Windows 10.

[endrift]

Hmm, seems to work fine with the SDL port. Looking into the Qt one now.

E] Can reproduce, Qt port is broken.

[endrift]

Hmm, seems to work fine with the SDL port. Looking into the Qt one now.

E] Can reproduce, Qt port is broken.

[endrift]

Seems like Pokémon Yellow asks for 2-controller mode, then increments which controller it's asking for 8 times (which goes back to the first controller) and since it sees it's the first controller again assumes it's not a SGB...

[endrift]

Seems like Pokémon Yellow asks for 2-controller mode, then increments which controller it's asking for 8 times (which goes back to the first controller) and since it sees it's the first controller again assumes it's not a SGB...

[endrift]

I think this might be a timing issue. I think it swaps the controller every frame, but it takes too many frames and winds up being an even number of frames (8) instead of an odd number (5 in BGB unless I miscounted).

[endrift]

I think this might be a timing issue. I think it swaps the controller every frame, but it takes too many frames and winds up being an even number of frames (8) instead of an odd number (5 in BGB unless I miscounted).