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[HELP] Yu gi oh 5D XBLA
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  1. #1
    Hoshikage


    pureIso is offline
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    [HELP] Yu gi oh 5D XBLA

    Hey

    I am trying to make a mod tool for this game but I think it has a checksum. I have an offset and I am sure its a correct offset but every time I change anything the file is automatically corrupted.

    @&H0 = 58 41 0A 03 00 23 9D 10 00 00 21 9D

    on every file but I don't know if this is the checksum.



    Here is 3 game saves Save Set

    I just need to know the checksum and how to fix it. I am still learn so take it easy on me.
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  2. #2
    Developer
    DJ XHUNTER is offline
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    Yeah Game has a security
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  3. #3
    DEADBEEF

    JizzaBeez is offline
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    Quote Originally Posted by pureIso View Post
    Hey

    I am trying to make a mod tool for this game but I think it has a checksum. I have an offset and I am sure its a correct offset but every time I change anything the file is automatically corrupted.

    @&H0 = 58 41 0A 03 00 23 9D 10 00 00 21 9D

    on every file but I don't know if this is the checksum.

    Here is 3 game saves Save Set

    I just need to know the checksum and how to fix it. I am still learn so take it easy on me.
    Those aren't checksums... A checksum would not be the same in every file. "58410A03" is the game's Title ID, "0000219D" is the File-Size.

  4. #4
    Developer
    DJ XHUNTER is offline
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    Quote Originally Posted by JizzaBeez View Post
    Those aren't checksums... A checksum would not be the same in every file. "58410A03" is the game's Title ID, "0000219D" is the File-Size.
    exactly........
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  5. #5
    Extorris
    Renegade is offline
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    The game does have a CRC32 checksum though.

  6. #6
    Hoshikage


    pureIso is offline
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    Ok Thanks.

    I have plenty of save and offset keeps changing @&HC and I can't seem to find any pattens

    B13C1D05 00 00 00 01
    7A04FBF0 00 00 00 02
    ---------------------
    8A3C5B9C 00 00 00 03
    3704305B 00 00 00 04
    C73C9037 00 00 00 05
    ---------------------
    8A3C5B9C 00 00 00 03
    0B5C6FA0 00 00 00 04
    EC7782B8 00 00 00 05
    85542F7E 00 00 00 07
    CBB39101 00 00 00 08
    361C5134 00 00 00 09
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  7. #7
    DEADBEEF

    JizzaBeez is offline
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    Quote Originally Posted by Renegade View Post
    The game does have a CRC32 checksum though.
    It must be a custom one because I've tried Brute-Forcing 50+ different algos including CRC32 on the gamesave, or either I just didn't start at the right spot with the right digest...

  8. #8
    Hoshikage


    pureIso is offline
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    Looks like this game would be a pain in back side.
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