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[charpsp20]

Okay so i was just curious how much a psp can do homebrewise.

Ive been playing around with the DS homebrew which is pretty fun, though not always so practical. (It seems its sometimes more fun seeing what a DS can do than actually trying to use it for that purpose ie ebook reader or movie viewer) And what are all the killer apps are other than moonshell and DSorganize? How does the PSP list of killer apps compare?

And finally, has homebrew on the PSP (in addition to regular games) make it worth buying? (even if its used for maybe homebrews sake?)

[Perseid]

The DS has 2 processors that add up to 100MHz. The PSP can go up to 333Mhz. This means that emulators run faster and there are more machines you can emulate. You can play videos at higher bitrates although you do still need to convert them. So from a homebrew standpoint the PSP can do pretty much the same things only faster.

As far as commercial games, the graphics on the PSP are far superior, but while there are quite a few good games it's nothing like on the DS.

If you can afford it I'd go for it. I like my PSP and don't regret buying it. That said, if I had to pick one, PSP or DS, I'd go DS no hesitation.

[bitblt]

As Perseid pointed out the PSP has much more processing power than DS. Even though the DS has two ARM processors the 67 MHz ARM9 processor does most of the work of running games and homebrew and the 33 MHz ARM7 is mostly dedicated to user input and sound processing. Also DS does not have a math coprocessor.

The PSP is normally clocked at 222 MHz and can be overclocked by software up to 333 MHz. The PSP also has higher screen resolution, more advanced 3D graphics capability, as well as floating point math support. The PSP is comparable to a portable PS2 as far as graphics and processing power.

However the DS has two screens and a touch interface that provide a unique gaming and homebrew experience that PSP can't provide. IMO there are far more great games for DS than PSP. The PSP game library is getting much better though, and there have been some great game releases.

The nice thing about PSP homebrew is the sheer number of emulators available for the platform . . .
http://dl.qj.net/index.php?pg=19&src=emulator&catid=106

Collectively the PSP has a lot to offer with emulation. PSP provides nearly perfect PS1 emulation using Popstation. Every PS1 game I've tested works great. The MAME4ALL emulator for PSP plays many old arcade classics, though it's not perfect and there are sound issues. PSP also has other great emulators. For example NeoGeo PSP was updated recently, and CPS1PSP and CPS1PSP do a pretty good job of emulating Capcom Play System 1 & 2 games. PSP even supports N64 emulation with the Daedalus emulator. Daedalus is far from perfect, with frameskip, sound stutter etc., but it is hella cool anyway. Daedalus has come a long way in the last few months. You will never see DS support PS1 and N64 emulation.

Daedalus (R-11) N64 Compatibility List

ALMOST PERFECT-

AeroFighters Assault
AeroGauge (20-25 FPS in training)
All Star Tennis '99 (26 FPS)
Asteroids Hyper 64 (25-30 FPS)
Bust-A-Move 3 ( 35-45 FPS)
Bust-A-Move '99 ( 45 FPS)
Bust A Move 2: Arcade Edition
Charlie Blast's Territory (19FPS)
Chopper Attack (18 FPS)
Forsaken 64
HeXen ( minor graphical glitches )
Holy Magic Century ( Quest 64)
Mario Kart 64
Micro Machines 64 Turbo (minor graphical glitches)
Quest 64
Rampage 2: Universal Tour ( minor graphical glitches )
Rampage World Tour ( Levels One and Two around 25-30 FPS in levels)
Rugrats: Scavenger Hunt ( minor graphical glitches)
Rush 2: Extreme Racing
Starfox 64
Super Mario 64

CLOSE TO PLAYABLE-

007- The World is Not Enough ( wall and hand textures messed up)
Army Men - Sarge's Heroes 2 ( good speed, graphical problems)
Banjo-Kazooie (about 20 FPS in levels)
Bio F.R.E.A.K.S. (minor speed issues)
Doom 64 (somewhat slow speed and minor graphical issues)
Duke Nukem 64 (hangs around a low 10-15 FPS)
Earthworm Jim 64
Extreme-G ( minor graphical glitches )
Gex 64 ( 29 FPS) ( no character textures)
Hydro Thunder
LEGO Racers
Magical Tetris Challenge
Mega Man 64 ( 15 FPS)
Mortal Kombat Mythologies: Sub-Zero (too slow)
Mystical Ninja Starring Goemon(random crashes)
Scooby Doo! Classic Creep Capers
Super Smash Brothers
Virtual Chess 64
War Gods- ( a bit too slow)
Wheel of Fortune (textures and speed)
Xena: Warrior Princess - The Talisman of Fate (minor speed issues)

[VoX]

Yes, Stated above, The PSP has alot more CPU power (333 Mhz) and can acheive better emualtion standerds that the DS but I find that the homebrew on the DS is Much more devolped (generally speaking).

The Moonshell for the PSP is IR Shell which has some very usefull plugins such as a Zip and RAR Decompresser.  The homebrew on the PSP can go far, in CPU power wise, but can not go so far as the DS's Homebrew can in the terms that it doesnt have 2 screen, a touch screen or an in built Microphone. PSP is much better for emulation wise but the DS is better for innovative and fun Homebrew.

[Hi]

IF one was written, could the NDS handle .zip and .rar file formats? Maybe even .7z? I've always thought that it would just take a long time to decompress, but the fact that nothing has been written for the DS and something has been written for the PSP makes me wonder.

[tennisgy]

there is a tool to decompress zip files on your ds.  I saw it on dsscene like two  months ago.

So its a maybe, but also some emulators support zipped files

[dantheman]

DSCompress can compress and uncompress files to the GZIP format.  It can also unzip *.zip files, but cannot compress to them.  There is no RAR support in any homebrew due to licensing issues I believe, and no 7zip either. 

Personally, I love DSCompress because I can now use Retawq in DSLinux to download *.zip files to my hard drive from the web and then use DSCompress to uncompress them.  I'm also using it right now for the new DSDictionary program, since zipping up the GCIDE.dsdict lowers its filesize from 30 MB to 10 MB.  For the very few occasions that I need a dictionary, I can unzip the files on the DS itself.

Lameboy is one emulator that supports zipped roms, but the uncompressed rom must be less than 2 MB for this to work, since the uncompressed game must fit into the DS's RAM along with the emulator itself.  Games larger than 2 MB will run due to a paging system, but you can't zip those.

[tennisgy]

dan has anyone ever told you to stop showing up little kids with all your knowledge ?

[dantheman]

Hey, give me a break, I didn't even mention that LMP-ng, the iPod clone, uses zip files for holding its skins

[anuarbin]

I have seen my friend's psp playing fifa using MStick. a lot of hip cups  occur. is it true for all custom firmware psp?

[Perseid]

I have seen my friend's psp playing fifa using MStick. a lot of hip cups  occur. is it true for all custom firmware psp?

No. It's not normal. You can compress the ISO into a CSO to save space, but this causes a few games to stutter and jerk and lose music etc. This is solved by not using a CSO and using the regular ISO. Perhaps your friend was using a CSO for a game that he shouldn't. He could also have a slow stick. From my experience running from a memorystick is at least as fast as the UMD if not faster.