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codes from saves? merging elf and save?
codes from saves? merging elf and save? –
is there an easy way to make codes from saves(extracted bin-files)?
i have edited several saves but they wont work because of the famous cheksum-problem. since i already know the offsets for the values in the save, is there a way to tell where the values go in the elf-file? is there a way to merge the elf and the save for instance with ps2dis??? could really cut down the time of codemaking and finding the right addresses easier.
somebody know anything about this, or if its even possible to do?
Last edited by ralfyralf; 12-05-2004 at 06:48 AM.
If the games are compiled from C++ which they are, then locating the function "fopen" might do the trick, but I've not seen that one in any of the games or labelmates yet.
EDIT: If we ask a homebrew developer to include it in a PS2 program, maybe we could find that.
EDIT 2: fopen opens a file.
yes, someone with the right knowledge should really look into this and maybe include the "fopen" function into a prog.
also it would be cool to "float" a save over the elf-file to see how it fits together.
are'nt saves static? they all work in the same mem area dont they, always the same mem area? ie always from ramaddress "fixed" to ramaddress "fixed"
if they are, there has to be a way to include them when loading an elf-file?
or am i wrong?
Last edited by ralfyralf; 12-05-2004 at 06:46 AM.
I'm not sure. The way I used it in my programs is it creates a pointer to the file. The pointer stays in the same but the file it points to can move around. It's probably static (doesn't move) on the PS2 though. The PC version of SR1 has it so I'll have a look if I can locate it on the playstation version.
ok, thats great, see if you come up with anything.
..had an idea today - if we can successfully merge a save and an elf-file(or at least know where the save goes in the ram),
we almost have a ps2 RAMdump dont we? i know that there are other files in a game to, but at least it wouldnt be so far from a RAMdump, dont you think?
..and that would be extremely useful when making codes.
(although a save in itself are kinda like a ramdump, but anyway..)
Last edited by ralfyralf; 12-07-2004 at 11:54 AM.