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Thread: PS3 Game Decompression help?

  1. #1
    MrNightmare Guest

    PS3 Game Decompression help?

    Hello, could someone help me decompress the archive within the .rar attached?

    I really need an extractor, I believe the compression is lzx.

    Best regards

  2. #2
    barrybarryk Guest
    seriously more re5 archives?

    well if it helps it has the same header structure as the last one you posted (main data starting at 0x00008000 even though the header is largly empty) only with 15 files in it this time round.

  3. #3
    MrNightmare Guest
    I know what everything does, it's just that the actual decompression isn't working.

  4. #4
    barrybarryk Guest
    well it looks like a lzxd format with fixed lengths in the header per file record (or they're being padded the last few bits) but beyond that I wouldn't know but if they're fixed length it shouldn't be too hard to work out the components of the header just look at some of the files you have managed to extract and their containers.

  5. #5
    MrNightmare Guest
    I think that the lzx compression is a custom version since lzx fails to decompress the file.

  6. #6
    shummyr Guest
    This should help you out, it will allow you to decompress your archive

  7. #7
    MrNightmare Guest
    Have you tested it?

    I'm running windows not mac.

  8. #8
    shummyr Guest
    I currently run on windows/linux, I am not able to test it currently.

  9. #9
    MrNightmare Guest
    LZX isn't working.

  10. #10
    barrybarryk Guest
    lzxd isn't the same as lzx, your best bet is to compare it with an archive you've managed to extract and look at the properties of the files extracted compared with the header.

    lzx delta I think it's actually called, originally a ms format for cab archives but the format isn't strict, so to really get a grasp of what the header contains you'll need some extracted files and the archive they came from LZX Delta Compression & Decompression.

    That's the most recent documentation I can find on the format.

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