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There was a thread about something like this.
So far, nobody has yet to find a Nintendo DS Emulator that works with stuff like this.
I think it was in the Tuts section of the ROM Hacking Section.
Anyways, good luck on trying to find it.
From,
~TheRoad
PS: I'm not sure, if talking about it is illegal. I also don't know if I should report this thread or anything. Bleh.