Homebrew Unofficial 3DS RetroArch builds

BORTZ · Sep 11, 2020

Grabbed the new cores, nice nice.

Played a bit of SNES, runs GREAT.
gpSP runs like a dream when it can manage to get everything loaded correctly. I hope I can get to the bottom of this. I'm hoping its just a setting I have wrong somewhere. Maybe I'll try a spare SD card.
Genesis runs great.
I tried using the .3dsx cores, they run great too.

*****
OK EDIT hang on,
My ROMs load everytime if I turn Cheevos off. So I'm still not 100% why or what's doing it but this leads me to believe that its something to do with when RA calls out to the Cheevos site to post the game activity. I hope this helps.

Yeah after more testing, I don't think this is something on my end.

Kurt91 · Sep 13, 2020

Noticed a new bug.

I set up Achievements and tested it with "Kirby's Adventure". (Easy game, quick achievements to see if things work) Everything worked out just fine. Decided to go back to playing the PSX games I've been playing recently, and turned off Internet on the 3DS to conserve battery life a bit more. Forgot to disable Achievements. If RetroArch is unable to connect to the Achievements site in this state, it just freezes after making all the different attempts.

Is there any way to get it to just give up and automatically turn Achievements off if no internet connection is detected? I double-checked and PCSX-ReARMed doesn't have Achievement support anyways (or at least the LibRetro docs claim it doesn't), and it would be nice if I can just turn off Internet instead of making sure I remember whether the settings are on or off each time I want to play a game that does or doesn't have an Achievement list or Achievement functionality at all.

BORTZ · Sep 13, 2020

Kurt91 said:
Noticed a new bug.

I set up Achievements and tested it with "Kirby's Adventure". (Easy game, quick achievements to see if things work) Everything worked out just fine. Decided to go back to playing the PSX games I've been playing recently, and turned off Internet on the 3DS to conserve battery life a bit more. Forgot to disable Achievements. If RetroArch is unable to connect to the Achievements site in this state, it just freezes after making all the different attempts.

Is there any way to get it to just give up and automatically turn Achievements off if no internet connection is detected? I double-checked and PCSX-ReARMed doesn't have Achievement support anyways (or at least the LibRetro docs claim it doesn't), and it would be nice if I can just turn off Internet instead of making sure I remember whether the settings are on or off each time I want to play a game that does or doesn't have an Achievement list or Achievement functionality at all.

Maybe something MrHuu can look into. I know he wanted to take a look at the net code for Cheevos anyways.

justinweiss · Sep 14, 2020

Looking at the mgba source gave me an idea, so here's a pcsx core with a threaded renderer. You can toggle it under advanced unai settings, it's off by default.

This is very experimental and certainly has bugs, but it seemed worth a try.

kenseiden · Sep 14, 2020

New experimental PCSX core is crashing upon loading content for me. I can start the core and load content, but upon loading I get the Arm11 exception screen. I've attached my crash dump (hehehe, dump) to the post just in case it helps.

justinweiss · Sep 14, 2020

kenseiden said:
New experimental PCSX core is crashing upon loading content for me. I can start the core and load content, but upon loading I get the Arm11 exception screen. I've attached my crash dump (hehehe, dump) to the post just in case it helps.

Looks like some other in-progress changes snuck in there -- that build would crash if you didn't have Async CD access on. I updated the build, should be fixed now.

r0achtheunsavory · Sep 14, 2020

Bro, the threaded renderer is going to cause input lag. Think of the children. Optimize some other area.

lone_wolf323 · Sep 14, 2020

r0achtheunsavory said:
Bro, the threaded renderer is going to cause input lag. Think of the children. Optimize some other area.

this is why there are nightlies with test builds such as this. Devs look into weather such things help or hinder games.

r0achtheunsavory · Sep 14, 2020

It depends. I'd say the majority of developers don't think about input lag at all.

Zense · Sep 14, 2020

r0achtheunsavory said:
It depends. I'd say the majority of developers don't think about input lag at all.

You can always choose to disable it. Nothing's bad about more options.

Plus my opinion is that some sacrifices will just have to be made when trying to emulate the PS1 on the N3DS.

MarioKartFan · Sep 14, 2020

r0achtheunsavory said:
Bro, the threaded renderer is going to cause input lag. Think of the children. Optimize some other area.

Get out of here with all of the input lag complaints. @justinweiss Keep it up!

BORTZ · Sep 14, 2020

I honestly can't believe how well these cores handle SNES. I played through the entirety of Super Mario All-Stars - Super Mario Bros (2nd Quest) yesterday. All levels, no warps, and it felt oh so good.

I am so sorely tempted to get that special edition NTSC-U SNES style N3DS but I already have 4 3DSs.

MarioKartFan · Sep 14, 2020

BORTZ said:
I honestly can't believe how well these cores handle SNES. I played through the entirety of Super Mario All-Stars - Super Mario Bros (2nd Quest) yesterday. All levels, no warps, and it felt oh so good.

I am so sorely tempted to get that special edition NTSC-U SNES style N3DS but I already have 4 3DSs.

Which core were you using?

BORTZ · Sep 14, 2020

MarioKartFan said:
Which core were you using?

SNES9x2002 I think.

justinweiss · Sep 14, 2020

r0achtheunsavory said:
Bro, the threaded renderer is going to cause input lag.

It shouldn't affect input lag, because it forces everything to be in sync whenever the PSX CPU wants to see changes from the GPU. As long as the CPU doesn't care what the GPU is doing, they can both do things at the same time.

BORTZ said:
SNES9x2002 I think.

Nice! I haven't played a lot of SNES lately, but I'm also hoping the changes make the SNES9x2005 cores full-speed for more games.

DSoryu · Sep 14, 2020

BORTZ said:
I honestly can't believe how well these cores handle SNES. I played through the entirety of Super Mario All-Stars - Super Mario Bros (2nd Quest) yesterday. All levels, no warps, and it felt oh so good.

I am so sorely tempted to get that special edition NTSC-U SNES style N3DS but I already have 4 3DSs.

Completely this, despite owning a hacked Nintendo Switch, I find the 3DS experience a lot better because is more portable and has a better aspect ratio that fits very well with retro games.

BORTZ · Sep 14, 2020

Dartz150 said:
Completely this, despite owning a hacked Nintendo Switch, I find the 3DS experience a lot better because is more portable and has a better aspect ratio that fits very well with retro games.

There's something about the shitty 3DS screens that make it better for older games, at least IMO.

MarioKartFan · Sep 14, 2020

@justinweiss

Since you are busy redefining what we can do with Retroarch I thought I’d ask: any idea why Metal Gear Solid is now reported as a rock solid 59.9 FPS in Retroarch but still runs poorly? The in-game FPS seems closer to 18 or so. I’m guessing the original ran closer to 30. Seems like the emulator is running full speed but the game isn’t.....if that makes any sense.

justinweiss · Sep 14, 2020

If you're running with the RetroArch threaded video setting on, it can drop frames and I don't think that will affect the overlay FPS counter. It is less likely to drop frames if vsync is on, but it will stutter more instead. There's a lot running on the background thread now (RA threaded video, dsp_thread, RA job processing, autosave, async CD access, PCSX threaded rendering, PCSX threaded SPU, etc.), so it may be more likely than it was before. Does it still happen if you have threaded video off? That's the only thing I can think of.

MarioKartFan · Sep 14, 2020

It does. And it’s strange...there is no stuttering. It’s more like running through syrup.

Homebrew Unofficial 3DS RetroArch builds

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