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Yabause 0.9.10 Released: SEGA Saturn Emulator
greg | August 11, 2009
You don’t know, you haven’t heard? It’s Yabause version 0.9.10 — the SEGA Saturn emulator for your PlayStation Portable. Now before you get all excited you should know a few things:
- (Quoted from the readme) PSP support for Yabause is experimental; please be aware that some things may not work well (or at all), and in particular there’s no configuration interface yet.
- You must obtain the SEGA Saturn BIOS yourself; a simple Google Search will turn that up.
- You need a PSP-2000 (Slim) or later; Yabause needs the extra ram.
I tried it; it’s semi-functional in terms of loading CD images and playability. Things get choppy, but nonetheless, Yabause clearly demonstrates the possibility of SEGA Saturn emulation. Check the compatibility list here.

Download: Yabause 0.9.10
- source: yabause.org
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Great job, I know this is gonna do the daedalus move with the updates and time, but i’ll wait.
Greg, You forgot to add that this REQUIRES a PSP Slim. It can’t run without the extra Ram.
Also, I tried this myself, but I couldn’t get past the initial startup screen… I think. I got past the Saturn logo screen, then just got a random mess of shapes and graphics. Same screen, two different games. I thought the Bios I found was screwed up. I hadn’t seen that Compatibility List before though…
I tried Mortal Kombat 2 and Pandemonium, both of which on the List say “Show stuff” well. I guess now I know. Anyone recommend any small sized games (preferably under 200mb) that sound like they work according to that compatibility list?
good call. thanks
I bought a unmodded PSP 2000 from a guy at work for 100 bucks. Its brand new and has SONY 5.01 FW. I read about a bad none modifiable motherboard and since I bought it I dont know…How can I mod this thing??
since u really need help, i’ll tell u here. u need the custom firmware enabler known as ‘chickhen r2′, go google about it. the forum also got info on hacking your psp.
anyway, your question is really out of topic here. hahaha
you only need chickhen r2 for psp-2000’s that have a v3 mobo….
damnit, still cant get dragon force to be portable!!!! WHY WHY WHY WHY?!
This saddens me.
I have a considerably HUGE collection of Saturn Japanese games (all real) PLEASE make this happen! Just to see the Japanese Saturn logo boot up on my PSP almost made me faint. Please keep up the good work and support this! There are alot of of DIEHARD Saturn fans still out there!!
And then there are those of us who have never had the chance to own a Saturn, and would love to experience all of the rarities for the system. At least we know that it can be done.
It just needs some serious fixing up, but experimental or not, this is a project worth someone’s time to invest in.
oh man! you are my man! i LOVE my saturn! The import games on that thing were amazing! Even back then, I was saying that if fuckin Sega would take a chance and actually bring half the cool games that come to japan out to the US, the Saturn might have had a better fight!
Its all about Panzer Dragoon Saga, Guardian Heroes, and Xmen Vs. Street Fighter! (and so many others! SEGATA SANSHIROOOOOOOOO!!!!!)
Hey I tried to get this to work on my PSP white star wars edition psp but no matter how many times I tried it, it would load up then go to a black screen and then return to the xmb menu without saying anything. Can someone please help thank you. This sounds really awesome, I cannot wait to play nights: into dreams! YEAH BABY KEEP UP THE GOOD WORK!!!!!!
It was awesome until I read that it only works on PSP Slims. Bummer. :(
Only works on PSP Slims ? Doesnt matter. It is not great emulator. SSF is the best emulator of all time and too bad it didnt port to PSP anyway.
where are I can download room’s(games) ?
Hey there,
I presume you mean ‘ROMs’?
Sorry to say this, but I don’t really think you can ask that kinda stuff here.. being illegal to download games and whatnot without owning the actual game in the first place (I’ve been abused enough in the past for asking a question along the lines of “where can I download Roms from?”, etc etc..)
So i’ll drop you (and any others out there a small hint).
All disk based games are known as ‘.ISO’ & also (I’m sure you’ve heard this plenty of times).. Google is your best friend ;)
PSN: GigoByte
huh?!? only for slim? :( i have phat = i have small RAM :( too bad….
cool! that way i can play sonic r or nights into dreams, but i have a problem? see my psp slim strnalgy has 34MB ram and ppl say psp slim has 64MB ram? how can i fix the problem?
AWESOME!!!hope this works better on the pspGO!
I would really love 2 play panzer dragoon zwei,code veronica,nights,clockwork knight,and all the other rare arcade-style games in the palm of my hands!!!!
sega saturn sounds even more terrifying than sega mega drive 2!
Doesn’t start, just restarts the PSP Menu. Obtained the BIOS as well.
Same with me.
anyone have any luck running games?
i have 3 bioses (yes they are all valid), and it will do the first boot screen (either jap or usa) then the blue sega logo comes up but that’s as far as i am able to get it. i would play dragon force at 10% speed if that’s the onl way to get it portable. it seems like it wants to load but hangs on the second sega screen 4eva!!!!
As the guy who’s working on this, let me just say — be patient. (: As the README says, it’s still in an experimental stage; this is more of a “let’s see if it’ll even run” release than a “try it out” release. I’m working on an improved PSP core in my free time, and while I don’t know how good it’ll get (or how long it’ll take — gotta put bread on the table, after all), I definitely intend to improve on the current state of things.
As a side note, it may actually run fine on PSP-1000s, but my experimental code currently assumes 56MB of available RAM, so it’s likely to crash if you run it on a -1000. I’ll try and fix that up along the way as well.
i have it, with all 3 (euro, usa, jap) bios’ and can get the screen, alas, i still have no japanese symphony of the night……oh well, still emulates at full speed on my laptop >:)