News: 11 March 2016 - Forum Rules

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Topics - Weetepin

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I've been trying to figure out how to edit the opponents' data in YGO World Championship 2008 (for the DS), to make a ROM hack with different CPU opponents, mostly just because by now I'm bored of the default CPU Free Duel opponents.

I know where to find the deck data in the ROM, so I can edit that quite easily. However, what I can't find is the rest of their data, like the characters' names or their numerical rating or information about the little hexagon that shows up next to them (if you've played WC2008 you'll know what I'm talking about). Is anyone knowledgeable enough about hacking DS games to help me out here?

While I'm at it it could also be interesting to know how to edit the 'downloaded ghosts' within the save file itself, which could potentially be easier... I can actually find the data in the .sav file (it starts at offset 33000), and a lot of the data is right there. However, I've tried editing simple things like the name of the deck, and then when I save the file and import it to Desmume, the downloaded ghosts won't show up any more. I found that offsets 33004 to 33007 contain some hex data which changes when deleting different ghosts, so I think there might be some kind of verification check for the ghosts involved with that.

Anyway, if you can help me out it would be much appreciated! My knowledge of hacking stuff boils down to trawling through things with a hex editor, so a lot of the more complicated stuff is lost on me. If you can show me how, though, I'll be forever indebted to you.

I also hope that this thread doesn't sound like a bunch of crap, lol...


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