Finally! Hack for Japanese Colosseum Bonus Disc for US games!

Xalusc · Jul 11, 2019

cearp said:
yes i'm pretty sure it needs to be a japanese save.
i think on projectpokemon(?) there was a patch to make the gc iso load the US save...
or maybe it was just to patch it to send celebi to non-japanese gba games.

look at projectpokemon

Well... This thread is about the patch to make it load US saves...

cearp · Jul 11, 2019

Xalusc said:
Well... This thread is about the patch to make it load US saves...

maybe it doesn't work with nintendont. if someone else confirmed earlier in this thread that it worked for them... tag them i guess.

Lumstar · Jul 14, 2019

Xalusc said:
I'm so sorry to revive this supposedly long-dead thread, but I'm having trouble getting this to work.
I'm using Nintendont with the modified Bonus Disc ISO on a USB device (FAT32), using a physical GC Memory Card.
Pretty much the only option left "on" on Nintendont is Native Control.

Still, everytime I run the ISO, it says "Pokémon Colosseum save data not found on Memory Card in Slot A!" (in japanese, of course).
It has an US Pokémon Colosseum save data, with all 48 Shadow Pokémon purified, AND an open slot in the party, so I don't think the save itself is the issue.

Can anyone help me out? Do I need a memcard with Japanese game saves?

Check the BIOS region/language. You might be (for instance) trying to use a US-formatted memory card, while running the game in Japanese system mode.

For GC game saves to work correctly, the console and memory card, as well as the game, should be matching region.
Colosseum has different saves depending on the version of the game.

Xalusc · Jul 22, 2019

Update: Burning the game into a (multi-ISO) disc worked. However, transferring Celebi to american GBA games still does not work, even after changing the values in offset 0x2A1294A0.

FoxyCake · Oct 19, 2019

Has anyone been able transfer the 48 Celebis to their Sapphire/Ruby? I was able to get the first one transferred to my US Colosseum save file, but I can't get the game to recognize my US Sapphire to transfer the other 48 Celebis. It recognizes that the game is on, but then switches to a red X over the GameBoy after a few seconds. Just for the record, my Sapphire save file has the elite 4 beat, has 1 slot open in the party and is saved in a Pokemon centre.

suloku · Oct 21, 2019

The thing is the transfer transfer to gba uses a gba side app which is only meant to recognize jap saves. I tried editing the gamecart code, but there's further identification built in this gba app. It should be technically possible to modify it to recognize other region games but no one had done it afaik.

Finally! Hack for Japanese Colosseum Bonus Disc for US games!

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