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PS3 emulator RPCS3 can now play Demon's Souls at 60FPS thanks to a patch

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RPCS3 for emulating the PlayStation 3 continues advancing quickly! A new blog post is up showing off a patch that enables you to play Demon's Souls at 60FPS and 4K.

The patch simply changes the amount of time that’s advanced each frame from 33.3ms to 16.7ms. Since the patch is meant to be used with Vblank at 120 which doubles the max framerate, this lets us get a correct game speed at 60FPS. After that, it is then necessary to set Clocks scale to 200 to re-enable the games internal frameskipping at 60FPS, without which you will drop game speed every time your computer can’t hold 60FPS. I’ve also included another line that’s commented out by default (has the symbol # at the start of the line) which sets the timestep to 8.3 ms. This is meant to be used with Vblank at 240 and Clocks scale at 400 for proper gamespeed at 120FPS.

This is some seriously impressive stuff, amazing to see that RPCS3 can run so well. Have a look at their new video to show it off:

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Want to get going? The steps needed are included below:

  1. First of all, you’ll need the EU or US disc version of Demon’s Souls. Only the disc versions will currently work.
  2. Next, you’ll need to right click on Demon’s Souls in the game list and click Configure.
    On the CPU tab, ensure that SPU block size is set to Safe (which is the default setting).
    On the GPU tab, ensure that Write color buffers is enabled and the Renderer is set to Vulkan.
    Once the above changes are made, hit Save and you’ll be back to the game list.
  3. Right click on Demon’s Souls again and click on “Open custom config folder” and open the corresponding config file. In This file you will need to set:
    Clocks scale: 200
    Vblank Rate: 120
    Log: {sceNp: Fatal}
    Please note that all the above options are case sensitive.
  4. Finally, download the patch here and place it in your RPCS3 folder. If you are on Linux, then place it in ~/.config/rpcs3/.

As always, emulation remains as a vital part of gaming's history. Not just so we don't lose access to tons of older games many years later when a developer moves on, but so we can play them often better than the developer was able to run them on the system it was originally designed for.

If you wish to support the development of RPCS3, they have a Patreon.

Article taken from GamingOnLinux.com.
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26 comments
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Spirimint 13 August 2019 at 11:45 am UTC
QuoteAs always, emulation remains as a vital part of gaming's history. Not just so we don't lose access to tons of older games many years later when a developer moves on, but so we can play them often better than the developer was able to run them on the system it was originally designed for.

Totally agree!! Emulation keeps games alive!
kuhpunkt 13 August 2019 at 12:24 pm UTC
Spirimint
QuoteAs always, emulation remains as a vital part of gaming's history. Not just so we don't lose access to tons of older games many years later when a developer moves on, but so we can play them often better than the developer was able to run them on the system it was originally designed for.

Totally agree!! Emulation keeps games alive!

It would just be so much nicer if it could be completely legal. I get that devs don't want to put any effort into old games, but at least they could just sell the roms/isos on Steam.
Leopard 13 August 2019 at 12:30 pm UTC
kuhpunkt
Spirimint
QuoteAs always, emulation remains as a vital part of gaming's history. Not just so we don't lose access to tons of older games many years later when a developer moves on, but so we can play them often better than the developer was able to run them on the system it was originally designed for.

Totally agree!! Emulation keeps games alive!

It would just be so much nicer if it could be completely legal. I get that devs don't want to put any effort into old games, but at least they could just sell the roms/isos on Steam.

????????

https://rpcs3.net/quickstart

QuoteDue to legal reasons, PlayStation 3 titles cannot be distributed online and must be self-dumped from your own PlayStation 3 console or from your computer using a compatible Blu-ray drive.

Completely legal.


Last edited by Leopard at 13 August 2019 at 12:30 pm UTC
kuhpunkt 13 August 2019 at 12:34 pm UTC
Leopard
kuhpunkt
Spirimint
QuoteAs always, emulation remains as a vital part of gaming's history. Not just so we don't lose access to tons of older games many years later when a developer moves on, but so we can play them often better than the developer was able to run them on the system it was originally designed for.

Totally agree!! Emulation keeps games alive!

It would just be so much nicer if it could be completely legal. I get that devs don't want to put any effort into old games, but at least they could just sell the roms/isos on Steam.

????????

https://rpcs3.net/quickstart

QuoteDue to legal reasons, PlayStation 3 titles cannot be distributed online and must be self-dumped from your own PlayStation 3 console or from your computer using a compatible Blu-ray drive.

Completely legal.

Emulation is legal. Dumping games is legal, but how many people are actually dumping their own games? Barely any. And even if they do: it would still be annoying. I'd rather just start Steam, click on "download" and then play it with an emulator.
Dunc 13 August 2019 at 1:27 pm UTC
kuhpunktEmulation is legal. Dumping games is legal,
Jurisdictions vary. In some, even dumping firmware from machines you own is illegal without permission from the manufacturer. And this is something that we'll have to keep a close eye on in future, since it could be construed as “circumventing anti-piracy measures”.

But yes, emulation in itself is perfectly legal, and in many countries, ripping games you own, for your own use, is legal too.
slaapliedje 13 August 2019 at 4:57 pm UTC
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I actually bought one of the listed Blu-ray drives so that I could rip my own PS3 games. It's a long process and I'd only recommend doing it for those PS3 exclusive titles out there. Like I ripped Red Dead Redemption so I could play it on my PC. Then again it was random how it'd load with the version of RPCS3 that I was using, so decided to just fix the laser in my fat PS3
Lockdonnen 13 August 2019 at 6:34 pm UTC
This is just amazing stuff! Watched the entire video recalling my crazy obsession with this game. Pretty sure I drowned 800 hours into this and now I'm considering dusting off the disc to give it a whirl with an uncapped framerate...

Also, Valley of Defilement can go eat a dick.
Leopard 13 August 2019 at 7:48 pm UTC
kuhpunkt
Leopard
kuhpunkt
Spirimint
QuoteAs always, emulation remains as a vital part of gaming's history. Not just so we don't lose access to tons of older games many years later when a developer moves on, but so we can play them often better than the developer was able to run them on the system it was originally designed for.

Totally agree!! Emulation keeps games alive!

It would just be so much nicer if it could be completely legal. I get that devs don't want to put any effort into old games, but at least they could just sell the roms/isos on Steam.

????????

https://rpcs3.net/quickstart

QuoteDue to legal reasons, PlayStation 3 titles cannot be distributed online and must be self-dumped from your own PlayStation 3 console or from your computer using a compatible Blu-ray drive.

Completely legal.

Emulation is legal. Dumping games is legal, but how many people are actually dumping their own games? Barely any. And even if they do: it would still be annoying. I'd rather just start Steam, click on "download" and then play it with an emulator.

Well , if you look at that way many PC gamers are also pirating PC games despite how accesible they are. There are many people who has GTX 1080 class gpu's yet still pirating games.

Pirates will be pirates , always.
kuhpunkt 13 August 2019 at 8:39 pm UTC
Leopard
kuhpunkt
Leopard
kuhpunkt
Spirimint
QuoteAs always, emulation remains as a vital part of gaming's history. Not just so we don't lose access to tons of older games many years later when a developer moves on, but so we can play them often better than the developer was able to run them on the system it was originally designed for.

Totally agree!! Emulation keeps games alive!

It would just be so much nicer if it could be completely legal. I get that devs don't want to put any effort into old games, but at least they could just sell the roms/isos on Steam.

????????

https://rpcs3.net/quickstart

QuoteDue to legal reasons, PlayStation 3 titles cannot be distributed online and must be self-dumped from your own PlayStation 3 console or from your computer using a compatible Blu-ray drive.

Completely legal.

Emulation is legal. Dumping games is legal, but how many people are actually dumping their own games? Barely any. And even if they do: it would still be annoying. I'd rather just start Steam, click on "download" and then play it with an emulator.

Well , if you look at that way many PC gamers are also pirating PC games despite how accesible they are. There are many people who has GTX 1080 class gpu's yet still pirating games.

Pirates will be pirates , always.

But buying/playing games on Steam is easier than piracy and the difference is that buying games is possible. I can't buy isos for PS3 games, even though I would.
Cyril 13 August 2019 at 8:52 pm UTC
slaapliedjeI actually bought one of the listed Blu-ray drives so that I could rip my own PS3 games. It's a long process and I'd only recommend doing it for those PS3 exclusive titles out there. Like I ripped Red Dead Redemption so I could play it on my PC. Then again it was random how it'd load with the version of RPCS3 that I was using, so decided to just fix the laser in my fat PS3

It would be interesting to have your feedback about the process, what softwares did you use, difficulties you encountered etc.
Sadly my Blu-ray drive is apparently not compatible to dumping PS3 discs.

For now I only did one mitigated test with a pirated game but of course I intend to buy a compatible drive and some PS3 discs to dumping them myself in the future.
I'm particularly waiting for this goal/feature "Support booting from original game discs." will be quite useful IMHO.
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