How to install Retrix (Retroarch/Libretro port) for Xbox One

Absestos · Jun 25, 2017

djxxx said:
When I select Nes Nintendo it says you haven't opened any files recently....I presume you have to have a Roms folder somewhere unless you have every Rom in the app which is doubtful

Are you on Xbox or PC? You should be able to see "Computer" or a list of drives you can browse for rom files. That window is the standard Windows file picker

wiired24 · Jun 25, 2017

djxxx said:
Can some kind fellow help me on how to install roms to RetriX? A video tutorial or easy step by step tutorial would be appreciated...

I private messaged you but in case you haven't seen it it's very simple.

1. Put the roms onto a USB Storage Device and plug it into your Xbox One device

2. Open up Retrix, select the system you wish to play (SNES,GENESIS,NES etc).

3. Lastly just choose the rom and your done.

--------------------- MERGED ---------------------------

Btw, I Just donated $15 USD to the gofundme campaign @Absestos Hopefully others will follow suit

dominater01 · Jun 25, 2017

@wiired24 if you havent seen already all cores now work on xbox one just has crashing still

wiired24 · Jun 25, 2017

dominater01 said:
@wiired24 if you havent seen already all cores now work on xbox one just has crashing still

Yeah I just seen your post a few minutes ago. I just pulled the latest version of RetriX will be testing to confirm soon.

Dave_Chad · Jun 25, 2017

Can i just confirm, i need to pay for a Microsoft Dev account to be able to install and play about with this?

wiired24 · Jun 25, 2017

Dave_Chad said:
Can i just confirm, i need to pay for a Microsoft Dev account to be able to install and play about with this?

On Xbox One you do. On PC you do not

ploggy · Jun 25, 2017

Absestos said:
Hello everyone: I joined the forum yesterday and just found out about this thread.

First of all, I would like to thank everyone for the level of interest/support, and in particular I'd like to shout out to @wiired24, @kingtut and @ploggy for the awesome job they did helping people where I couldn't.

I started a gofundme campaign to raise money to buy the stuff I need for continued development, but I'm very much open to suggestions to alternatives if you know something that works better/with less hassles.

I think it's appropriate for me to give a bit of a status update and try to answer some of the doubts I've gleaned from reading so far.

Since releasing the version of Retrix shown on the video and managing to get BeetlePSX to compile to UWP, I had to find a solution to the fact that Libretro cores for newer systems try to access files directly.
This is a problem because UWP enforces sandboxing (apps only get access to the files that have been selected using Windows's file picker and nothing else) and because UWP does not work with file paths.
It took a while, but in the end I managed to come up with a way to virtualize file system access which both works and seems to be accepted by the Libretro maintainers (essential since the Libretro cores themselves need to be modified).
Hopefully this continues to be the case and I'll have a Libretro blessed way of porting cores to UWP going forward, since I do not really have the resources to maintain forks of Libretro cores.

I then had to work on the UI to allow installation of BIOS files for cores that need them, since those, just like ROMs, are copyrighted work and cannot be included with RetriX itself.

An early feature gain made because of this work is RetriX's new ability to run Mega CD games and ROMs in Zip files (this is handled by the front end, the core is unaware the data it is loading comes from RAM instead of a physical file).

I am aware that the in-game overlay doesn't work on Xbox: my plan to solve the issue would be to have a button combination (maybe start+menu?) that is unused in games and doesn't trigger the Xbox dash pause the game (the way RetriX pauses games independently of a game's own pause functionality) and bring up a modal menu with the same options as the overlay.
How exactly this should look/work is something is something I'd need an actual Xbox for to figure out: I need to be able to experience the dashboard and see how it interacts with games/apps run on the console to understand how to design the UI, even before testing and debugging on the actual device.

About the second issue, instability, the honest answer is that my options are limited: beyond the changes described above to support file system virtualization, I am doing my best not to touch the Libretro cores themselves and stay upstream (I lack the expertise and the time to maintain them; it's the reason why I use git submodules even though they can be a pain). It could be that the instability (so far I only had the GB/GBC core being unstable and unplayable) is caused by me getting the build configuration wrong or that it's an issue with the cores themselves.
The most I could do is to ask Libretro's members to help me set up a build, but I am not sure it would go down well: they are a very Linux centric community and helping me would not do anything for them. Keep in mind that sometimes Libretro being a Linux first project may cause Libretro cores to just not be portable to RetriX - some things refuse to build with Visual Studio's C/C++ compiler.

Development can move in a few directions from now on - I could:

Continue the work I started to get PSX emulation working, with software rendering

Look into developing the in game UI for the Xbox

Do proper, official, signed binary releases to make RetriX easy to sideload for normal users

Look into the stability issues, especially with the GB/GBC core, but I may be unable to fix them

Based on what I read so far, it seems the bigger issue would be the Xbox UI, since it stops people from using RetriX where they want to.

Beyond that, what I'd like to do is:

Hardware acceleration for 3D cores (difficult, may not actually be possible or may be possible only for some cores - depends on how they use OpenGL ES and if those uses are covered by Microsoft's Angle for UWP.

Shaders, at least something like hqnx to make 2D games look sharper

More recent consoles, I'd love to be able to support as many systems as possible in RetriX

Split RetriX (the front end) from LibretroRT (the cores converted to WinRT component and supporting framework), put LibretroRT in Nuget to make it easier for people to work on other front ends

Is it a lot? Yes. Can I really do it? I hope so, guess we'll see

Hi there, again thanks for taking this on and bringing some Emulator goodness to the Xboxone Scene

When it comes to what path to take, I have to mirror what the others have said and say you should concentrate on the PS1 Core and stability.

Dave_Chad · Jun 25, 2017

wiired24 said:
On Xbox One you do. On PC you do not

I don't quite follow. Are the accounts not the same whether made on pc or Xbox?

ploggy · Jun 25, 2017

Dave_Chad said:
I don't quite follow. Are the accounts not the same whether made on pc or Xbox?

The accounts are the same but on Xbox Microsoft requires you pay $20 to activate Dev Mode

@Absestos could you post a Paypal link or something gofundme only supports cards

wiired24 · Jun 25, 2017

ploggy said:
The accounts are the same but on Xbox Microsoft requires you pay $20 to activate Dev Mode

@Absestos could you post a Paypal link or something gofundme only supports cards

I think if you posted a paypal link here it would really help out the fundraiser as not everyone here has the luxury of credit/debit cards. I'm also working on a facebook page for Retrix as well which will help funnel traffic to the gofundme campaign

jirkawaggon · Jun 25, 2017

Dave_Chad said:
Can i just confirm, i need to pay for a Microsoft Dev account to be able to install and play about with this?

For this time is developer account for free of charge http://www.xb1emu.com/uncategorized/get-a-free-developer-account/ therefore you save 20USD and may donate for RETRIX https://www.gofundme.com/retrix

ploggy · Jun 25, 2017

Has anyone here tried the Win 10 version of retrix? I installed the Appx correctly but for me the emulator closes when I choose a rom?

dominater01 · Jun 25, 2017

ploggy said:
Has anyone here tried the Win 10 version of retrix? I installed the Appx correctly but for me the emulator closes when I choose a rom?

i got it to work just fine i never had that problem

wiired24 · Jun 25, 2017

dominater01 said:
i got it to work just fine i never had that problem

Same here I never had that issue either

jirkawaggon · Jun 25, 2017

If I can recommend please make RETRIX as emulators from original Xbox, this means that you can open Settings menu if you press right thumbstick -

I would suggest to make option that each user could upload the original console BIOS (for example like ROMs are uploaded). This would guarantee that all games would work like their original versions, and there would not be a decrease in FPS, black screen or crash of emulation, etc.

I would like to recommend to do the following:
- ability to load and save of the Save state from OneDrive (10 Save states per one game)
- possibility to configure the joypad (each separately)
- autofire option
- possibility of playing 4 players (multitap)
- control via the thumbstick, and settings for its sensitivity
- full screen
- possibility of graphical improvements of the game (turn on resolution 1080p, 16:9, flicker filter, Anti-aliasing filter, Trilinear filtering, Anisotropic filtering etc.)
- Forced PAL, Forced NTSC

kingtut · Jun 25, 2017

Dave_Chad said:
I don't quite follow. Are the accounts not the same whether made on pc or Xbox?

because on pc you can sideload without having to pay anything, on xbox one, you need dev mode to sideload apps.

--------------------- MERGED ---------------------------

jirkawaggon said:
If I can recommend please make RETRIX as emulators from original Xbox, this means that you can open Settings menu if you press right thumbstick -

I would suggest to make option that each user could upload the original console BIOS (for example like ROMs are uploaded). This would guarantee that all games would work like their original versions, and there would not be a decrease in FPS, black screen or crash of emulation, etc.

I would like to recommend to do the following:
- ability to load and save of the Save state from OneDrive (10 Save states per one game)
- possibility to configure the joypad (each separately)
- autofire option
- possibility of playing 4 players (multitap)
- control via the thumbstick, and settings for its sensitivity
- full screen
- possibility of graphical improvements of the game (turn on resolution 1080p, 16:9, flicker filter, Anti-aliasing filter, Trilinear filtering, Anisotropic filtering etc.)
- Forced PAL, Forced NTSC

I believe all of these features are on retroarch, so retrix will get them at some point. but right now I would rather have more cores, and then we can start trying to improve their quality

Dave_Chad · Jun 25, 2017

jirkawaggon said:
For this time is developer account for free of charge http://www.xb1emu.com/uncategorized/get-a-free-developer-account/ therefore you save 20USD and may donate for RETRIX https://www.gofundme.com/retrix

Perfect answer that's all i wanted to know. I'll install it and see what i think before i donate though

ploggy · Jun 25, 2017

dominater01 said:
i got it to work just fine i never had that problem

wiired24 said:
Same here I never had that issue either

Hmm, It seems when I try to install the .cer I haven't got a "local computer" option in my "Trusted Root Certification Authorities" section?
I can install the .cer directly in the "Trusted Root Certification Authorities" section and the Appx does install but thats when the Emulator closes by itself when loading a rom?
(it doesn't really matter if can't get it working on PC, I'm more interested in the Xbox version anyway)

EDIT: BTW @Absestos how close were you to getting the PS1 core to work? Does it run at all yet?

Thanks..

jirkawaggon · Jun 25, 2017

@kingtut OK, I understand (I would like to PS2 and Gamecube on RETRIX), but what do you think about option that each user could upload the original console BIOS (for example like ROMs are uploaded, bacause original BIOS cant be in emulator from patent issues). This would guarantee that all games would work like their original versions, and there would not be a decrease in FPS, black screen or crash of emulation, etc.

and as you surely know MS developer account for Xbox ONE is now free of charge

dominater01 · Jun 26, 2017

jirkawaggon said:
@kingtut OK, I understand (I would like to PS2 and Gamecube on RETRIX), but what do you think about option that each user could upload the original console BIOS (for example like ROMs are uploaded, bacause original BIOS cant be in emulator from patent issues). This would guarantee that all games would work like their original versions, and there would not be a decrease in FPS, black screen or crash of emulation, etc.

and as you surely know MS developer account for Xbox ONE is now free of charge

bios will be a setting when a console needs it like mega drive

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