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Generation II Glitch Discussion

Posted by: Marv231

Date: 2017-10-14 00:20:37

I wonder, if it´s possible to change the Item, you get when doing the Mystery Gift Option at the title screen?
For Pokemon Gold and Silver on the VGC

Posted by: SatoMew

Date: 2017-10-15 10:04:01

I don't know enough to help with ACE but the folks at Project Pokémon have been researching where at least certain pieces of save data are stored, including that of Mystery Gift.

https://projectpokemon.org/home/forums/topic/41479-pokemon-gen-ii-save-file-records/

Posted by: ISSOtm

Date: 2017-10-15 12:20:33

https://github.com/pret/pokecrystal/blob/master/sram.asm#L58

Apparently modifying 0:ABE2 is enough to make the mystery gift guy appear.
https://github.com/pret/pokecrystal/blob/f0209d6ed6a0cd0e759dff49bdfe4d8171229c29/engine/specials.asm#L318
I don't think the address is checksummed.

(There's also the flag EVENT_RECIEVED_BALLS_FROM_KURT that's involved, so… maybe it won't always suffice ?)