How to Hack/Modify ISO with UMDGEN?

Discussion in 'PSP - Hacking & Homebrew' started by superspudz2000, Jul 27, 2012.

Jul 27, 2012
  1. superspudz2000
    OP

    Member superspudz2000 GBAtemp Advanced Fan

    Joined:
    Aug 23, 2007
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    Country:
    Canada
    so, Crimson Room USA dosent work. it Crashes horribly on all CFW.

    the Japanese ISO runs fine, so i thought i would
    just put the English Text into the JP ISO, with UMDGen v4.0.
    i simply replaced the "PSP_GAME/USRDIR/DATA" folder.
    it runs, and displays English Text, but there is BAD Graphical Glitches.

    is it because the LBA is different? how do i replace a file without changing LBA?


    -----------------------------------------------------------
    bah, i finally got it to work.

    i converted the ISO to a EBOOT.PDP, with "fake_np" program,
    and it worked fine. (ON 6.60 PRO CFW!)

    so i conclude that the ones floating around the net are BAD DUMPS.
    whatever program is used to convert a "Purchased PSN EBOOT",
    into a .ISO to be used on CFW, does not work with Crimson Room.
     

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