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PPSSPP/Libretro Switch Public Beta by m4xw
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After a lot of work, I am very happy to share this with all of you.
Audio & Video support works, many core options cause Issues tho.

It is mandatory to "Close Content" after changing any Core option and restarting RetroArch, else it will potentially crash, don't close the RetroArch menu!

Special thanks to hrydgard for everything he has done for the PPSSPP Project.
If you want to support his work, consider buying PPSSPP Gold https://central.ppsspp.org/buygold even if you don't use it!

I will PR it once the libretro port is finished, also implemented half of what's needed for a Standalone port
Source is on my Github, but it's highly WIP and needs a custom RA and a custom ffmpeg, so you should just wait if you want to build it yourself

Libretro Docs (important informations for this core): https://docs.libretro.com/library/ppsspp/
Official Game Compatibility Tracker (your mileage might vary): https://report.ppsspp.org/games

GitHub (WIP Switch): https://github.com/m4xw/ppsspp/
GitHub (Official): https://github.com/hrydgard/ppsspp

Installation Instructions
==========================================

Drag & Drop the "retroarch" folder to the root of your SD, overwriting any file (it will not touch any options).
Assets are bundled, so you don't have to bother with that.

Notes
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If you are using ANY method of loading RetroArch OTHER than Atmosphere's title redirection feature, DO NOT report issues that you encounter.
These issues can skew testing and could very well be caused by loading through an unsupported method.

Video slowdowns are related to missing hardware accelerated decoding (nvdec), it's not a libretro/PPSSPP Issue.
FMV cut-scenes will be fine.

Updates
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Added JIT and JIT Vertex Decoder Support
- When loading Savestates with JIT, make sure to instantly open the RetroArch Menu again and wait for it to complete loading
- This is a libretro specific bug (not switch port related) and will be fixed later on

==========================================

-Added Vertex JIT Core option (turning it off fixes some games currently)
-Added Disable slow Framebuffer effects Core option (Speedhack)
-Increased Savestate Chunk size to 4MB (speeds up savestate load, ~2sec)
-Band-Aid for Savestate load + Save (no more opening menu for them to work)
-Renamed "IR JIT" to "IR Interpreter"
-Removed Threaded IO Core option (non-functional)
-Removed Non-Buffered Rendering Core option (non-functional)
-General system stability improvements to enhance the user's experience.

Download Link: <Please use the RetroArch Core updater>

 

[jjjexorcist]

How to fix this graphic?

 

[aishill]

How to fix this graphic?

get to the menu and look for the shaders. I think you need to change the shader preset back to linear(normal)

 

[icefox]

I m Under sxos.
I took and Instal the Last PPSSPP version.
I press r on a random game and launch retroarch
I load PPSSPP core
Result : each time i try to load a game my switch crashes and asks for a reboot in ten seconds... i ve tried two games each Time the same...
Any idea ?

no idea. working alright for many including me.

How to fix this graphic?

you've enabled scan lines. disable shaders

 

[Deleted User]

I unconsciously updated to 8.0.1 FW, now the overclock option doesn't work, any way to fix this? thanks!

 

[hippy dave]

I unconsciously updated to 8.0.1 FW, now the overclock option doesn't work, any way to fix this? thanks!

Use sys-clk sysmodule to overclock until retroarch is updated.

 

[Bluer]

I have the USA version no stuttering.

Guess I need to find an USA version, thanks for info

 

[Drwho0894]

How does bbs play? I suppose it's not full speed, but, is it playable?

Working full speed with me so far with the HD retexture.
https://streamable.com/hhdr1
Did the joystick change fine and then mapped L and R to the right analogue so I can control the camera with the right stick
(Sorry switch doesnt capture sound for some reason, but sound is on)

 

[omegakun]

I've tested and its working very good, my specs:

Switch on 7.0.1
Atmosphere 0.8.7

Using "title redirection", to load RetroArch, so i load PPSSPP Core, and play game in *.ISO format.

Aditional Notes:

clock at 1224 MHZ
Using Cheats.
After Load Game, opened quick --- Options --- CPU Core --- IR interpreter
Castlevania - The Dracula x Chronicles is working perfect.

Remember:
in first release, ReadMe inside *.7z helped me a lot, every settings in PPSSPP Core, after change should save and restart RetroArch completely, real time settings change not working, just overclock.

 

[gameplayswitch]

Maybe you should load the actual core

I just realized you had to launch by holding R on a GAME not ALBUM to launch RetroArch, and I got something to finally load. And 4.1 FW works!

 

[EmulateLife]

FAT32 SD card.

Launched hb channel by holding R on Album. Launched RetroArch.
Load Core -> PPSSPP "1.7.6 - PPSSPP 0d542f8".
Load Content -> Downloads -> psp -> load iso m.c. la remix / sega collection (crashes regardless of iso/cso). It seemed to have generated another kind of crash report.

Do the crash reports provide anything useful that could pinpoint what went wrong?

Holding R on album doesn't give you any benefits. You have to hold R on a game i.e. Mario Odyssey that gives you the extra ram and it will take you to the Album there you launch Retroarch.

 

[gameplayswitch]

Holding R on album doesn't give you any benefits. You have to hold R on a game i.e. Mario Odyssey that gives you the extra ram and it will take you to the Album there you launch Retroarch.

I don't think it is necessary any longer.. Or am I wrong?
https://gbatemp.net/threads/nx-hbloader-updated-to-version-2-0-0-now-has-full-access-to-ram.521091/

Is there a tutorial on setting up title redirection?

 

[EmulateLife]

I don't know exactly what that nx-hbloader is so I can't say. Title redirection isn't used any more both Atmosphere and sxos use holding R on a switch game now unless you have an older version of Atmosphere.

Regardless if it's not necessary you could just do the holding R on a game to make sure it only takes 2 seconds. Only have to do it once per boot to get the extra ram.

 

[gameplayswitch]

I don't know exactly what that nx-hbloader is so I can't say. Title redirection isn't used any more both Atmosphere and sxos use holding R on a switch game now unless you have an older version of Atmosphere.

Regardless if it's not necessary you could just do the holding R on a game to make sure it only takes 2 seconds. Only have to do it once per boot to get the extra ram.

OK that fixed it!
Hold R on a game instead of Album. Never even knew about it in the first place. This should be put in bold on the first post.

 

[TimeDevouncer]

I have a little problem with Persona 3 portable, whenever I go to save or load, I'll get the background of the save screen but no save slots or any form of information. I'll get the music playing, shoot, I can even back out of the "menu". But for some reason it just doesn't show anything.

I try disabling speedhacks with no luck, any idea?

Thanks!

 

[Purple_Shyguy]

Not only do you get full ram by holding R. If you hold R on a title that allows video recording you're homebrew can be recorded too!

 

[NeoSlyde]

i've added the 60 fps cheat file and it still locked at 30 fps...

 

[Arithmatics]

Working full speed with me so far with the HD retexture.
https://streamable.com/hhdr1
Did the joystick change fine and then mapped L and R to the right analogue so I can control the camera with the right stick
(Sorry switch doesnt capture sound for some reason, but sound is on)

Do you mind teaching me how to apply the HD retexture? It looks amazing!

 

[sorabora]

Not only do you get full ram by holding R. If you hold R on a title that allows video recording your [sic] homebrew can be recorded too!

This is also the case if you launch the Homebrew Menu (hbmenu) .nsp from the Switch's main menu. No sound though.

 

[aerios169]

Uhmm Is save normal suport ?

 

[Drwho0894]

Do you mind teaching me how to apply the HD retexture? It looks amazing!

Thats Simple. Go to retroarch/cores/savefiles/PSP Then make a folder called "TEXTURES" open that new folder and then create a folder called "ULJM05775" Assuming you have final mix version with the eng translation. Then place the HD files in there. Aka the folders labelled: Command Board, compatibility etc etc etc. Then just enable the option in the PPSSPP quick menu settings.

For DLC in the same "PSP" folder create a folder called "GAME" and put the DLC in there.