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Forums - Sony - All PS3s are backward compatible with PS2 software.

Gilgamesh on 20 March 2013
fillet said:
Gilgamesh said:

Hacked PS3?

Well this is pointless :/


Everythings pointless at the end of the day. It may not be physically useful to most but it's interesting none the less.

Read my stealth edit, that makes more sense.

"It would be easier to just hack my PS2 to play all PS2 games..."



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fillet on 20 March 2013
walsufnir said:
fillet said:
walsufnir said:
fillet said:

You might not believe it but the current emulator Sony uses for PS2 Classics on PSN has just been opened up for people with hacked PS3s to finally support ALL PS2 retail disks, compatibility was expected to be patchy but it seems people have already got top tier graphical games working perfectly with no slowdown (Final Fantasy X). I've done a couple myself, MegaMan X8 working perfect as was as Kingdom Hearts 1 and 2.

This is NOT using any BC hardware - it's a purely software emulator that runs on PS3 slims and fats, and is what powers "PS2 Classics"

Check out ps3hax.net for those interested.

It looks like around 70-90% of all PS2 games will be fully functioning.

I'm a regular on ps3hax and help out a fair bit and when this dropped a few days ago people were expecting an abysmal compatibility rate, of around 20% or less, now it seems that this is a fully functioning emulator...

 

Why hasn't it, and why isn't it being released?


Perhaps I am still tired and thus not able to read properly but I didn't find anything on the site? I only could find PS2Classics Gui.


PS2Classics GUI is more a proof of concept for decrypting then encrypting an already working PSN classic package (freely available package in encrypted form), even decrypted, it still needs a license to activate, which is not provided with the software.

There's a guide by a person called CaptainCPS-X, it's a bit sketchy but works easy enough, it does it's thing by using the "shell" of a genuine PS2 classic (including it's encryption key), any PS2 ISO can then be encrypted using the encryption key (activation data) that pairs with the genuine PS2 classic, before doing this a small program is used to patch the end of the ISO with some metadata that all genuine PS2 Classics have so the PS3 emulator doesn't reject it, this includes the size of the ISO, whether it is DVD or CD ISO. The title ID is then changed in param.sfo to tally with the product code of the injected PS2 ISO, it is then repackeged and can be installed as any person would do a normal PS2 classic (but only on custom firmware 4.30 as you can't install packages since firmware 3.55 and above on official firmware). Then the encryption key is activated seperately on the PS2 using a seperate piece of homebrew making this game fully activated on a per console basis.

That's it in laymans terms, of course that's an explanation of how it works - not how to do it per say, I don't want to violate any rules here :)

I'll just say that Final Fantasy X looks damn good, much better than on the PS2 with smoothing on (and even with it off) and the frame rate on that game is higher than on an original PS2! All games seem to run, some have frame rate problems/the odd graphical glitch exactly as they would on PCSX2, not quite as pretty but much closer to PCSX2 than a PS2). Turning smoothing off seems to make pretty much any game (I've tested 15 since making the OP) run at full speed.

 

Just to note, the above is all my observations of the emulator and how it all works generally, I'll say it again - I'm not getting into the piracy side of things, I'm not encouraging anyone to do this, I'm not slagging Sony off for a business decision and I'm not giving any specific advice on how to make this work. It's just damn fun messing around with stuff like this.

 

Oh, so the info is not that obvious on the main page ;) I am looking forward to youtube-videos showing some emulated games! (Perhaps I will get an old ps3 if Sony doesn't offer Gaikai to more platforms in future).

I'm chuffed because I can finally get rid of my PS2 that I've kept on standby for so long and can make some space on the shelves under my TV and not have to put up with an old DS2 controller all the while worrying the laser is going to burn out any day.



fillet on 20 March 2013
Gilgamesh said:
fillet said:
Gilgamesh said:

Hacked PS3?

Well this is pointless :/


Everythings pointless at the end of the day. It may not be physically useful to most but it's interesting none the less.

Read my stealth edit, that makes more sense.

"It would be easier to just hack my PS2 to play all PS2 games..."

This isn't just for piracy sake, most the PS2 classics are absolute rubbish. I mean the titles available don't make any sense at all. I'm quite partial to a bit of 2 player puyo pop fever on my PS2 for some drunken fun and laughs. Now I can play that on my PS3.



platformmaster918 on 20 March 2013
gigantor21 said:
Yeah, they just cut out the software side of things so they could pad the cost of current gen development with "HD Collections" and the like. Of course now they're doing trilogies of current gen games too, now, but... -_-

hey now the trilogies and collections are value priced.  Like GoW Saga for $30 now.  That's 5 games all in HD with the PS2 ones doing 60fps and 16:9 support with trophies (not hard to add but a nice touch).  One of the reasons I never got a PS2 even though they're really cheap) after the PS3 stopped being BC is because all my favorite games now have superior versions and look nice on a 50 inch.




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SamuelRSmith on 20 March 2013
Soleron said:

They only barely decided that importing international versions of textbooks and selling them in the US was legal. I wouldn't be so sure.


The SC would almost certainly find the law unconstitutional, so long as it's for home use.... if modifying stuff for sale, that could come under interstate trade clause.

The problem is that it's not as easy as just "filing a case", as such this particular law probably won't ever be challenged, unless something like jury nullification goes down... which is so goddamn rare it might aswell not exist.



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freedomland on 20 March 2013

Can we use it legally? if it's a hack then I' am not sure that it is helpful to most of the players.



GameAnalyser on 20 March 2013

But you still need to hack PS3 to play. One of the retailers had already mentioned this to me long time back in 2008 when I got the 40 GB phat.

EDIT : He did also mention that I should be only using the PAL version of PS2 disks. I don't know whether it just applies to those alone.



GameAnalyser on 20 March 2013
fillet said:
gigantor21 said:
Yeah, they just cut out the software side of things so they could pad the cost of current gen development with "HD Collections" and the like. Of course now they're doing trilogies of current gen games too, now, but... -_-


I'm just shocked that they have a fully working PS2 emulator running at full speed for the likes of FFX and so forth.

Pretty amazing considering it only has access to 256MB RAM.

PCSX2 needs a monster of a machine to run well (with admittedly better AA and so on).

 

HD collections don't run on the emulator, only PS2 classics do.

PCSX2 with latest updates still fails to display  Ps2 classics in their original rendering. Resolutions and framerates are  better though attributed to the strength of multi-core CPUs.



Pristine20 on 20 March 2013
PureDante said:
Seems like Sony just wants money, but I'm not phased; even with my 60 GB I don't touch my old ps2 games. Ps2 emulators on PC run the games better ^^.


^this. PCSX2 ftw. With motionjoy, you can use your ps3 controller too. Who cares about HHD collections when a lot of PCs can scale ps2 games to HD very easily



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darkknightkryta on 21 March 2013
Pristine20 said:
PureDante said:
Seems like Sony just wants money, but I'm not phased; even with my 60 GB I don't touch my old ps2 games. Ps2 emulators on PC run the games better ^^.


^this. PCSX2 ftw. With motionjoy, you can use your ps3 controller too. Who cares about HHD collections when a lot of PCs can scale ps2 games to HD very easily

There's a lot of graphical effects that can't be emulated with a GPU right now, if ever.  So all that fancy lighting in Okami and Metal Gear don't show up, for instance.  You have to use software and no cpu out now can scale PS2 games to HD.