RetroArch: Difference between revisions

imported>JasonWoof
Show how to install/run RetroArch with cores
 
imported>Puffnfresh
add details about assets and cores
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== RetroArch ==
== RetroArch ==


You can install retroarch with some cores (actual emulators) by putting something like this in your /etc/nixos/configuration.nix
You can install retroarch with some cores (actual emulators) by putting something like this in your <code>/etc/nixos/configuration.nix</code>


<syntaxhighlight lang="nix">
<syntaxhighlight lang="nix">
environment.systemPackages = with pkgs; [
environment.systemPackages = with pkgs; [
     (retroarch.override { cores = with libretro; [ genesis-plus-gx snes9x beetle-psx-hw ]; })
     (retroarch.override {
      cores = [
        libretro.genesis-plus-gx
        libretro.snes9x
        libretro.beetle-psx-hw
      ];
    })
     libretro.genesis-plus-gx
     libretro.genesis-plus-gx
     libretro.snes9x
     libretro.snes9x
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</syntaxhighlight>
</syntaxhighlight>


FIXME: where is the list of cores that libretro exports?
The cores are defined here:


In the meantime, maybe these strings work: https://gist.github.com/GrahamcOfBorg/fa41301565a858134941b91179822b7d
https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/emulators/retroarch/cores.nix#L121


Once you update your system you can run <code>retroarch</code> to access the main gui, or eg <code>retroarch-mednafen-psx-hw my-game-file.cue</code> to run a game directly.
Once you update your system you can run <code>retroarch</code> to access the main gui, or eg <code>retroarch-mednafen-psx-hw my-game-file.cue</code> to run a game directly.


== Gotchas ==
== Gotchas ==


Not all the graphics settings are in the same place. You'll want to look under the top-level Settings (in the left column under Main Menu) and also under Main Menu -> Quick Menu -> Options
Not all the graphics settings are in the same place. You'll want to look under the top-level Settings (in the left column under Main Menu) and also under <code>Main Menu -> Quick Menu -> Options</code>
 


== Bugs ==
== Bugs ==


beetle-psx-hw input (by keyboard anyway) only works if you go to Settings -> Input -> Port 1 Controls -> Device Type and set it to PlayStation Controller '''every time you run the emulator'''.
beetle-psx-hw input (by keyboard anyway) only works if you go to <code>Settings -> Input -> Port 1 Controls -> Device Type</code> and set it to PlayStation Controller '''every time you run the emulator'''.


No icons show in the gui, including the mouse cursor. you can use the gui with only the keyboard though. Press enter to open sections/pages, backspace to go back out. arrow keys to choose between options (left/right change some values).
No icons show in the GUI, including the mouse cursor. You need to go to <code>Online Updater > Update Assets</code> to download the icons. You can navigate the GUI with only the keyboard. Press enter to open sections/pages, backspace to go back out, arrow keys to choose between options (left/right change some values).