First PSP Emulator: GB

A GB Emulator has been released. The screen is tiny, and there is no sound, however it is working, and there are pictures to prove it.

Thanks to: psp-spot.com for the tip and psphacker.com for breaking the news!

Pictures here
Videos here

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PSP Firmware Dumper 1.0

Nem has released some code that will dump the firmware from flash0: to your memory stick. This will only run on 1.0 Jap PSP's.

Hopefully this will be useful to someone who might be able to rip the firmware from their 1.0 and figure out a way to use that data to downgrade a 1.5 PSP.

I will be sure to let you know once this has happened. It's only a matter of time now

PSP Dump
for PSP 1.00
http://anon.ug.to/sec/pspdump.html

From the readme:

This software accesses to system memory and firmware, which may cause
SEVERE DAMAGE TO YOUR EQUIPMENT. There are some possibilities of
PERMANENT DESTRUCTION OF THE PSP. NO WARRANTY. USE AT YOUR OWN RISK!

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Downgrade PSP Firmware to 1.0

--------------
UPDATE!!!!
Welcome Google Surfers. If you came here looking for instructions on how to downgrade psp 2.0 to 1.5 you've come to the right place. Full instructions can be found at:
psp hacks or here or here

Old News:


Nem, the creator of the first PSP homebrew app, "Hello World" has reported some major findings on psp-dev. He claims to have been able to extract the 1.0 firmware on his PSP.

It's quite possible now that the dump of the original firmware is in the capable hands of a few really good programmers that we might see some tricks posted on how to update/downgrade firmware on our 1.5's without cracking open the case.

While he does provide instructions on how he did it, I would not recommend trying it. If your patient, and wait another week, I have a feeling there might be a much easier way in the works.

If your brave and have some good sodering skills, you can try it, using the instructions posted here:
http://forums.ps2dev.org/viewtopic.php?p=11193

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In Depth Look at the Wipeout Pure Files

PSP Hacks posted a ton of useful information that they extracted from Wipeout Pure.

Now how do we run that browser from the memory stick???

http://www.psphacks.net/forums/viewtopic.php?t=671

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PSP File System Access

To Access the UMD:

<head>
<title>UMD</title>
</head>
<body background="file://disc0:/PSP_GAME/PIC1.PNG">
<img src="file://disc0:/PSP_GAME/ICON0.PNG" />
</body>
</html>

To access the memory stick:

<html>
<head>
<title>Files off Memory Stick</title>
</head>
<body>
<img src="file://fatms0:/PSP/PHOTO/Awhite.jpg" />
</body>
</html>

Thanks to Vampire on psp-dev

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PSP has been hacked!

Yes it is true this time. The first homebrew PSP program: Hello World

http://pics.oopo.net/2005-05-05-HELLOPSP/

Details on how it was done are sketchy. Most likely involves some SDK stuff to get up and running however the file itself does not use the SDK, and you can download it here:

http://anon.ug.to/sec/index.html

Also note that this currently only works on Japenese 1.0 PSPs

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Possible methods for hacking the PSP

Nothing has been confirmed, but they are making good progress.

Potential PSP Font Cache Exploit

Exploit Found - Wipeout Pure "ghost" Save File

Elf to PBP convertor v0.3

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