Search found 6 matches

by plmars
Fri Apr 15, 2005 3:08 am
Forum: PSP Development
Topic: Memory Stick Protocol
Replies: 5
Views: 3373

PspPet wrote: This is a hardware device to enhance the PSP experience, overall.
Such a device (if built) would allow you to use CF or SD cards instead of the MS Pro DUO. Also possible is to hook up an ATA hard drive, potentially up to 32GB in size (MS Pro limit)
And thats exectly what i want. :-D
by plmars
Thu Apr 14, 2005 11:24 pm
Forum: PSP Development
Topic: Memory Stick Protocol
Replies: 5
Views: 3373

Memory Stick Protocol

Ok, I am totally new to this kind of stuff, but does anybody know any technical information, how does devices communicate with memory stick? I have seen some converters that will let you plug in memory stick into CF readers. Will this work the other way? If i build a custom PCB and have it wired to ...
by plmars
Thu Apr 14, 2005 3:51 pm
Forum: PSP Development
Topic: Japan Wipeout Downloads Released, New User Agent ... (more)
Replies: 52
Views: 35135

I'm trying to focus onto param.sfo cracking because it can help so much in the future. One little update on it. Every single param.sfo has the same exact langth which makes reverse engineering so much easier. yeah, i made a program for that. it's the PBP explorer w/ sfo editor. and the param.sfo is...
by plmars
Sat Apr 09, 2005 10:58 am
Forum: PSP Development
Topic: Japan Wipeout Downloads Released, New User Agent ... (more)
Replies: 52
Views: 35135

I feel so bad for triple posting but I just realized that PSP has build in zip functions. It has to somehow read that zipped data file doesnt it?
by plmars
Sat Apr 09, 2005 9:47 am
Forum: PSP Development
Topic: Japan Wipeout Downloads Released, New User Agent ... (more)
Replies: 52
Views: 35135

Sorry for double posting but to add some stuff up. The parts that seem to change from one param.sfo to another are located between 57Dh and 58Ch and then between 11C0h and 11DFh. Check them out. We need to crack that integrity checking algorithm. edit: Never mind. More stuff changes. Need to researc...
by plmars
Sat Apr 09, 2005 9:44 am
Forum: PSP Development
Topic: Japan Wipeout Downloads Released, New User Agent ... (more)
Replies: 52
Views: 35135

I am a newbie here so please no flaming. LOL. Here is what i found out. Everything seem to take place in the "param.sfo" file. I assume you can just dump unziped data onto you memory stick and dont even change folder name (maybe u will have to but thats not a big thing). When i just copied...