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Geek Culture / PSP Development

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The Wilderbeast
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Posted: 8th Jan 2008 20:01
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Because developing homebrew for PSP usually requires downgrading your firmware version (as I gather), it means that you loose out on some of the new features that are offered in recent updates. But because the PSP can play Flash files (you can store them on your memory card and open them up in the web browser), then does that mean it would be possible to develop games in Adobe Flash CS3 and then save them to your PSP? If so, does it have the ability to play 3D Flash games/applications?

Just a thought I had.

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Megaton Cat
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Posted: 8th Jan 2008 20:41 Edited at: 8th Jan 2008 20:43
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The PSP looks like it'd be cool to actually develop for (3D). I'd love to do level design for that baby! I'm into MGS: Portable Ops now and thier levels are tight, with loads of good tricks in there that I'd definitly emulate if I were to do something on there.

Because it'd be the PSP with a limited polycount, you can focus on actual layout and design of the level, instead cramming it with meshes like you'd have to do for next-gen titles. The actual geometrey would be easy to get out of the way.

Man, I wish I could work on a PSP title.

Formerly known as Megaton Cat
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Aaron Miller
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Posted: 8th Jan 2008 21:02
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I've got my PSP downgraded to 1.50 and have a SNES and N64 emulator on there, with 2 SNES games, and one N64 game (Super Mario 64). You can use custom firmware 3.8 to use the custom features such as web-browser I believe, but I've never tried it.


Cheers,

-naota

With any luck you'll be able to turn a fully functioning program to a crashing program with just a little bit of coding.
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The Wilderbeast
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Posted: 8th Jan 2008 21:05
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Hmm. Interesting

I'd still be intrigued to know whether it is capable of running the 3D features of Flash.

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NeX the Fairly Fast Ferret
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Posted: 8th Jan 2008 21:08
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That's Shockwave, right?


Since the other one was scaring you guys so much...
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Silvester
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Posted: 8th Jan 2008 21:14
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The PSP has too less Flash memory to even load a Flash object. I tried it.

Anyway, Downgrading your PSP is not exactly illegal. But there is a way to get a more recent version, which allows homebrew. That method is illegal.

there are several ways of making PSP games, either by C++ or LUA.

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The Wilderbeast
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Posted: 8th Jan 2008 21:17
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Quote: "The PSP has too less Flash memory to even load a Flash object. I tried it."


Ah, well that screws up my expectations of some people releasing some good non-official 3D games via Shockwave/Flash. Too bad.

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Silvester
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Posted: 8th Jan 2008 21:23
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Try loading a Flash game on the PSP through the website crap. It just won't load it. Says it has too few memory or something similar. It even refused to load my flash animation of 5 frames where an image was moving. Quite odd.

Maybe this was fixed after the 3.03 versions, No idea. Haven't updates as i lost my wireless network.

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The Wilderbeast
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Posted: 8th Jan 2008 21:27
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I just download the updates onto my computer and transfer it via USB. I'm on 3.80 atm, but I doubt updating will increase the memory size, which is a shame. It won't allow you onto Google Video for the same reason. And Youtube requires Flash 9 which the PSP doesn't have

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Silvester
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Posted: 8th Jan 2008 22:12
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Ah, I'm fine with 3.03. As lets just say I didnt keep myself to the rules and wanted to run my own applications...

Kindof a dualboot like thing now.

Shame they didnt make more memory space available.

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Megaton Cat
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Posted: 8th Jan 2008 22:47
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Did anybody venture into actual PSP dev aside from flash? I know a few people on here did DS dev, so I decided to ask.

Formerly known as Megaton Cat
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Jeku
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Posted: 8th Jan 2008 22:52
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I have 4 PSP commercial games under my belt, but no homebrew stuff. I don't actually own a PSP, so that would be a little difficult.

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Megaton Cat
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Posted: 8th Jan 2008 22:57
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Yeah, I was talking more along the lines of homebrew. We all know you're an EA games badass Jake.

Formerly known as Megaton Cat
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Zaibatsu
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Posted: 9th Jan 2008 05:25
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I've been thinking about it, but i generally end up just giving up in the idea phase.

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The Wilderbeast
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Posted: 9th Jan 2008 18:31
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Shame really, they introduced Skype to the PSP. But only the new PSP Slim and Lite can run it because they have increased memory

I'd be interested in learning a bit more about homebrew stuff though.
Quote: "Kindof a dualboot like thing now."

Is it possible to dual boot on a PSP?

I think someone managed to get Win 95 running on theirs.

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Silvester
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Posted: 9th Jan 2008 22:57
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I said kindof, In recovery mode when booting it up I can change cores, 3.03 for regular stuf and 1.05 for Homebrew crap.

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Osiris
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Posted: 9th Jan 2008 23:38
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You can play flash well as long as you have a lot of memory for cache.

RIP Max-Tuesday, November 2 2007
You will be dearly missed.
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Aaron Miller
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Posted: 10th Jan 2008 01:34
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@Aikicat
I've *slightly* ventured into PSP development. Got some dev-kits and such.

I know if you have a 2.0-2.7~ version PSP you can make your homebrew run through a .tif file due to an overload in a buffer or something. I played snake on there once, good fun. Hell, there's even a homebrew SDK for that. There's a homebrew SDK for general PSP dev too. I'm trying to remember what processor the PSP runs off of, is it MIPS? For some reason ARM comes to mind, but I'm just not sure anymore.


Anywho, I want to get an "OS" running on PSP, meaning a shell. Would be quite useful to me (A good familiar "Windows Vista" type shell).

Cheers,

-naota

PS: As far as I know, you need Cygwin to develop for the PSP.

With any luck you'll be able to turn a fully functioning program to a crashing program with just a little bit of coding.
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Benjamin
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Posted: 10th Jan 2008 01:39 Edited at: 10th Jan 2008 01:40
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Quote: "I'm trying to remember what processor the PSP runs off of, is it MIPS? For some reason ARM comes to mind, but I'm just not sure anymore."

That's what the internet is there for: http://en.wikipedia.org/wiki/PlayStation_Portable#Design_and_specifications.

Console programming can be interesting, it's a nice change from PC programming. I did a little experimenting with GBA programming in the past, and I liked it.

Tempest (DBP/DBCe)
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Aaron Miller
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Posted: 10th Jan 2008 01:42 Edited at: 10th Jan 2008 01:52
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@Benjamin
edit - Nevermind, but yay! I was right, MIPS.

edit2
Check out this page.

Cheers,

-naota

With any luck you'll be able to turn a fully functioning program to a crashing program with just a little bit of coding.
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Jeku
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Posted: 10th Jan 2008 01:55
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Quote: "Got some dev-kits and such."


PSP devkits are around $15k. Are you sure?

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Aaron Miller
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Posted: 10th Jan 2008 01:59
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@jeku
PSP dev-kits for homebrew are free generally, and legal.


Cheers,

-naota

With any luck you'll be able to turn a fully functioning program to a crashing program with just a little bit of coding.
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Jeku
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Posted: 10th Jan 2008 07:48
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Ok, you mean software development kit. When someone says devkit, they technically mean the actual hardware unit devkit. I knew what you meant, but I'm just in the mood to be catty hehe

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The Wilderbeast
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Posted: 10th Jan 2008 17:42
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Quote: "Would be quite useful to me (A good familiar "Windows Vista" type shell)."


You'd need a hell load more of memory for that, it only just runs Windows 95.

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Keo C
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Posted: 10th Jan 2008 18:16
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Maybe it will run a Linux distro like DSL or Puppy.

The best things in life are edible.
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Satchmo
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Posted: 11th Jan 2008 00:37
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http://youtube.com/watch?v=PPpYQyEfwe4

It's more of an xp with vista look, but it proves it could work.

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David R
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Posted: 11th Jan 2008 00:41
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Quote: "
It's more of an xp with vista look, but it proves it could work."


Looks more like a script/shell/frontend rather than anything connected to Windows at all


09-f9-11-02-9d-74-e3-5b-d8-41-56-c5-63-56-88-c0
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Osiris
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Posted: 11th Jan 2008 01:00 Edited at: 11th Jan 2008 01:00
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Quote: "Would be quite useful to me (A good familiar "Windows Vista" type shell)."


Quote: "
Looks more like a script/shell/frontend rather than anything connected to Windows at all"




RIP Max-Tuesday, November 2 2007
You will be dearly missed.
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David R
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Posted: 11th Jan 2008 11:17
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I was replying to the fact that Satchmo implied it was XP with a skin. It is not.


09-f9-11-02-9d-74-e3-5b-d8-41-56-c5-63-56-88-c0
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Aaron Miller
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Posted: 15th Jan 2008 02:37
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Question: Has anyone here actually compiled something for the PSP?

Jeku: What's it like developing for the PSP anyhow? I know you've programmed a few things for it, commercially, what's that like?


Cheers,

-naota

With any luck you'll be able to turn a fully functioning program to a crashing program with just a little bit of coding.
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Roxas
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Posted: 15th Jan 2008 18:46
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Im not sure how it is to dev something for PSP but i have compiled some things for DS.


Click For Details!
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The Wilderbeast
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Posted: 15th Jan 2008 20:15 Edited at: 15th Jan 2008 20:16
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I found this while browsing for some mods. There are a few mods available for it including Halo and Star Wars, my only problem is that it doesn't work on firmware v3.08




Don't suppose anyone has ever tried downgrading their PSP before have they?[img]http://www.joystiq.com/media/2006/03

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Silvester
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Posted: 15th Jan 2008 22:43
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My friends did, worked out fine. I just modified mine

Anyway, Isis looks pretty cool. I think I'll check it out tommorow.

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Inspire
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Posted: 16th Jan 2008 21:56
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@ Satchmo:

Things like that are easy to make, I used to program them in HTML really easily.

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