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January 9, 2012 // 5:10 pm - Today PlayStation Vita hacker wololo has shared a video (below) demonstrating several PSP homebrew applications and emulators running on PS Vita using their Half-Byte Loader (HBL).

To quote: In the past days I stabilized HBL for Teck4's exploit and got some major homebrews to work.

In the video below I'm showing a few homebrews running on the PS Vita. I also included Picodrive again to show that fixing the sound issue is relatively easy as it is just a setting in the emulator. Check the video below.

You can see in this video snes9xTYL (super nes emulator), Bookr (pdf reader), CSPSP, T.O.M.E. (text mode rpg), EmuMaster (game boy emulator), Zombie Crisis (FPS), Wagic (which loads about 10 times faster than on a real PSP, this talks for the improved access speed of this new memory stick format), cavestory (platform/adventure), Picodrive (sega genesis emulator), Spider solitaire, ScummVM (point-and-click adventure), Daedalus (N64 emulator, this is not DaedalusX64), FCEU-PSP (Nes emulator). Those are more or less the homebrews I recommended to HBL users back when HBL was big.

Missing from this video is (unfortunately) gpsp which I couldn't get to run on the Vita, while it ran fine on the PSP. What I could see is that the emulator is more sensitive than the PSP when a thread that's currently not running crashes. I think (not sure) that gpsp somehow crashes HBL.

On the PSP it usually means that once you quit gpsp, HBL crashes. On the vita it seems to crash as soon as gpsp does “something wrong” to hbl, which is roughly as soon as it loads.

I got major homebrews to work, and now I'll focus on reporting this to the EU and US version, which both need to be brought up to speed with these latest changes.

From what I could see, syscall estimation basically doesn't work (which is what JJS discovered a while ago when porting HBL to 6.60), which will limit the amount of homebrews that can be played with this exploit, but as you can see on the video, I got a few good ones to run already

A message to haters who say I'm reusing other people's work from the PSP scene and not contributing anything new: ask yourself who made it so easy to port HBL to new game exploits in the first place.

Video: PS Vita Running PSP Homebrew via Half-Byte Loader (HBL)

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#121 - cfwprophet - January 7, 2012 // 2:52 am
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So a kind of Universal Thread where everything ongoing from the Vita u-ground scene goes in. I mean sounds great. Reminds me on a Wiki by the way does some one update a wiki ?

#120 - Nabnab - January 7, 2012 // 2:29 am
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You don't need to do that cfwprophet but thanks anyway !

I was thinking to make a topic and put all what i did and what i'm doing on it but i think it's a little bit too late.

Some people probably don't understand why all that are on the firmware update/CMA topic.

It would be nice if we can create a topic for all the PS vita underground stuff (not only mine)

#119 - Ezio - January 7, 2012 // 2:25 am
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Great work, Nabnab, +rep for you!

Quote Originally Posted by Nabnab View Post
Ok it looks like nobody pays attention to my latest post it's ok and some people didn't understand what's going on that video.

I think it is so only because PSVita isn't yet sold all over the world. Just it will be available for all contries more people will pay attention to the psvita underground scene.

However what you are doing is great, so thank you, man!

#118 - cfwprophet - January 7, 2012 // 1:30 am
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Sure we pay attemption. I'm with you and posting in austrian and german scene already

I'm mod and news poster on a other site but i'm always here and awaiting some new nice stuff from you to spread on the scene !!!

Feed us, feed us we hungry

#117 - Nabnab - January 7, 2012 // 12:27 am
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And as you can see on the second picture, i can only choose Restart the PS Vita System or Update System Software (can't choose other one)

#116 - Nabnab - January 7, 2012 // 12:21 am
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Ok it looks like nobody pays attention to my latest post it's ok and some people didn't understand what's going on that video.

Between 0 and 0.04 (picture shows the helloworld with my python/pyusb script available on PS3news) and about the video, i show that the PS Vita is really turned ON (and not off) and on debug USB mode.

This is just the beginning

After a test and some kernel playing.

Check the error of my PS Vita

#115 - Tidusnake666 - January 6, 2012 // 9:29 am
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Now we're talking! Awesome work, you rock!

+rep and cheers!

#114 - Nabnab - January 6, 2012 // 3:08 am
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The video a upload right now it's just for show the USB Debug mode and also the hello world (python script) but i'm hesitate to reveal the method to make that possible, i wait a little.

We can have all the access to the PS Vita and Memory card

Ok the video is online (only 30sec)

Hello World though Python/PyUSB and USB Debug Mode

#113 - cfwprophet - January 6, 2012 // 2:52 am
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You're my man Go rock the scene !!

Could you tell us a little bit more about for what it can be used ? Or do you need to keep quit for the first ?

#112 - Nabnab - January 6, 2012 // 2:09 am
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Just to clarify that is not only a simple Hello world, it's also show you how to communicate with the PS Vita, in here we don't talk about the variant of the PS Vita but about the process of the PS Vita and as you can see i don't need to launch any program from the PS Vita to make a Hello World possible.

(simple example) -> The difference between the PS Vita and 3DS, it's that with the PS Vita you can communicate by USB Transmission, on the 3DS you can't.

BIG NEWS !!! I found the PS Vita USB Debug Mode ! finally ! i was working on it from the beginning with all my other stuff... finally it's here, i'm gonna make a video to show you. Get ready for it !