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Posted on 12-05-17, 10:31 pm


Karma: 462
Posts: 23/33
Since: 01-17-15
nsmb-checksums.py

newluigidev asked me for some help today in figuring out how the checksums in NSMB savefiles work. After RE'ing the game's checksum algorithm, I decided that it'd be a good idea to make a little tool that updates all ten checksums in a savefile. Here it is!
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The Newer Team
Posted on 12-06-17, 12:36 am
Super Koopa
That MvL Hacker

Karma: 1676
Posts: 531/833
Since: 04-11-15
So this makes it so it won’t say save file 1-3 & options is corrupt anymore?
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Here's my MvL Hacking thread

Consider joining the NSMB DS Hacking Discord Server! Also, be sure to check out the new wiki!

#HakingNoMore
Posted on 12-06-17, 01:12 am
Nipper Plant


Karma: 2416
Posts: 297/417
Since: 08-17-15
Yes. I am working on a save editor, so you'll be able to edit the savefile, and it won't be corrupted, since the checksum will be recalculated.
Pages: 1