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Where to get info on various file structures?

 
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zinga



Joined: 25 Sep 2006
Posts: 11

PostPosted: Thu Dec 28, 2006 10:29 pm    Post subject: Where to get info on various file structures? Reply with quote

I'm sorry if this isn't the place to ask this, but anyways...

I was wondering where I could get file structure info on various file formats, such as EBOOTs, CSOs etc. I've tried searching, but to no avail.

Basically I want to write a program which deals with them, but I don't know where to get info on the file structure... For example, I want to change files in a EBOOT, or get the thumbnail picture from a CSO.

So is there a document somewhere which explains all this?

Anyways, thanks in advance for any info! :)
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adrahil



Joined: 16 Mar 2006
Posts: 277

PostPosted: Fri Dec 29, 2006 3:14 am    Post subject: Reply with quote

EBOOT format is known, and you can check groepaz's psp docs for example. CSO is just compressed iso in which there is a UMD file structure from which you can grab the PNG of the icon.
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ufoz



Joined: 10 Nov 2005
Posts: 86
Location: Tokyo

PostPosted: Fri Dec 29, 2006 4:26 am    Post subject: Reply with quote

There is some source code + headers to create/decompress CSO files in the devhook sdk.
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zinga



Joined: 25 Sep 2006
Posts: 11

PostPosted: Fri Dec 29, 2006 8:07 am    Post subject: Reply with quote

Hey! Thanks a LOT for the info - looking into it now :)

*EDIT* Oh you guys are the best! Only looked into the PBP structure (haven't searched for CSO yet) - took me a while to find, but I got it! THANKS A LOT adrahil and ufoz!
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