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PostPosted: Sun Mar 03, 2019 3:56 am 
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Joined: Fri Apr 20, 2018 12:41 am
Posts: 184
I want to open the CARC files in the game's NARCs, but they cannot be opened, upon further lookup, these are LZ77 Nintendo DS/Nitro Compressed ARChives (IDK why these are used in a Wii U/Switch game, Camelot is weird), I tried to decompress it with the NDS archiving tools but no help, will a script be developed to decompress these files or will someone figure out this compression? Thanks a lot. I think a SARC is in this file after decompression containing the real data. MTA's header is 20 00 00 00 and MTUS' header is 50 00 00 00 00. MTA: https://www.filedropper.com/mtacarcs
MTUS: https://www.filedropper.com/mtuscarcs


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PostPosted: Wed Mar 27, 2019 8:00 pm 
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Joined: Wed Jul 30, 2014 9:32 pm
Posts: 10263
I guess the links are expired.


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PostPosted: Mon Apr 01, 2019 10:42 pm 
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Joined: Fri Apr 20, 2018 12:41 am
Posts: 184
Hold on I'll re-up. UPDATE: Done.


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PostPosted: Wed Apr 03, 2019 8:13 pm 
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Joined: Wed Jul 30, 2014 9:32 pm
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The decompressed SARC file can be extracted with the updated script (0.2a) http://aluigi.org/bms/nes_remix_pack.bms

MTACARCS is just zlib compression and it's easy to decompress the SARC.
While MTUSCARCs is a bit more complex since the algorithm is unknown.


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PostPosted: Wed Apr 03, 2019 8:34 pm 
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Joined: Fri Apr 20, 2018 12:41 am
Posts: 184
Thanks so much! I hope the MTUS CARCs get figured out (and that will also help decompress some more game files).


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