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In the case of GTA, I just noticed that the EBOOT is not compressed at all, that's why they are the same size.Ĭompression will effect the performance of the games So a CSO is something in-between an ISO and a compressed EBOOT in terms of compression and reading speed. From what I can see, a CSO is an ISO compressed with a DEFLATE algorithm, whereas a compressed EBOOT is compressed using something close to LZMA, which is, from what I know, much better than DEFLATE in terms of compression, but much worse in terms of speed. I don't really want to go with CSO as it implies even more code. You might as well just make them cso files If the EBOOT contains garbage files, the ISO will contain it too. EBOOT file are smaller, or at least the same size as ISO files, as ISO files are an uncompressed version of EBOOT. This statement was mostly about your claim of saying they are smaller when really as you already explained they are not as they are filled with lots of useless language files/update files/and dummy file
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#PBP TO ISO PSP UPDATE#
(Except using ISO TOOL etc.)ĭoes that mean that there is no way to update games at all on PSP?
#PBP TO ISO PSP PATCH#
In case of ISO format, the patch is not applied.
#PBP TO ISO PSP CODE#
I was actually quite happy to remove all that decryption and decompression code from pkgj :(Īs already stated if people are wanting smaller files then you might as well give a cso and iso option because as stated csos would be smaller than eboot.pbp with the same performance issue while iso will have vastly superior performance with the downside of more space used If I add that option, the ISO mode is the way to go I think as it is the one that works more out-of-the-box. Yes actually although people who don't really know any better will say its not true compression will effect the performance of the games and you can find evidence of that from a simple google search GTA games being the biggest culprit because of their constant file streaming This statement was mostly about your claim of saying they are smaller when really as you already explained they are not as they are filled with lots of useless language files/update files/and dummy files if anything if your going to leave these games compressed like this you might as well just make them cso files now THAT would actually save space and have the exact same performance issues that eboot.pbp files have You mean just one more compatibility issue to add on top? I was actually quite happy to remove all that decryption and decompression code from pkgj :( Remaining question would be what 'mode' would pkgj use if this setting string is not present in user's config.txt An ISO, as generated by pkgj (whose code comes from pkg2zip), is just an EBOOT.PBP file, decrypted and decompressed, so it can't be smaller than the PBP file (or I missed something big).Īs for performance, does it mean that the official game on a non-CFW vita has the same problems? I don't know about performance, but from what I can see, that game is 1.6GB in PBP and in ISO format, there is no difference. GTA vice city stories as an eboot.pbp is around 1500mb and has very bad slowdown and with its dummy file removed as an iso it is around 1050mb with perfect performance
#PBP TO ISO PSP INSTALL#
Not sure this argument is receivable but the user already needs to install Adrenaline, so it's just one more dependency. I really dislike the fact now PSP titles depend on external PSP plugin.