Retroarch multicore default selection question

[CDBlue]

Hey all,

I've been trying to figure out how to do this, and so far have not been able to come up with a way.  So, I figured I'd check here to see if anyone knows how, or even if, this is possible to do in Lanuchbox.

Here's an example of the scenario in question:

- I have two retroarch cores setup in launchbox for Nintendo 64 - One entry using the mupen64plus_libretro.dll core, and one using the parallel_n64_libretro.dll core.  Now I can right-click on any N64 game and select launch with... and then select whatever core I want to use and it will launch retroarch using the core I told it to... great, how it's supposed to work   However, if I want a game to use a certain core as the default emulator, I can't.  All I can do is tell it to use the Retroarch core, and it seems like it just auto-runs the first one on the list (so for the example above, it would always use the mupen64plus core, even if I want it to use the parallel core).

I know there are other ways around this, such as renaming the console then putting in the 2nd core for that newly named console and making it the default etc.  But I don't want to make custom-named consoles.  There are just a handful of games that I find run better, or at all, on the parallel_n64 core instead of the mupen64plus one.  For now, I've removed the entry for the mupen core, since I almost never use that one as I have M64P as my primary emulator anyway, so right now I have just the parallel core for the retroarch entry for Nintendo 64. So, when I select Retroarch as the default emulator, it now uses the parallel core.  But, I like having multiple cores for consoles that do have multi-core support available.

Anyway, tl;dr is there a way to specify which core you want a game to use as a default emulator, when you have 2 or more core entries for a console in Retroarch?

Thx for any assistance,
CDBlue

[DOS76]

If you right click on a game and go to edit than go to the emulation tab you can set a game specific commandline calling the core you want

[CDBlue]

doh... never even saw that.  Added the -L "cores\parallel_n64_libretro.dll" to the command line for a game that works only with that core, and it worked like a charm.  Thx for the assistance

[silverchair]

@CDBlue Was that all you added as custom CMD line param? Cause I just tried it and it wouldn't do anything. Does it also require -c for config file or anything else?

Edit: confirmed, you also need -c param .. my custom entry looks like so: -L "cores\mame2010_libretro.dll"   -c "retroarch.cfg"

Edited July 22, 2019 by silverchair
new founding

[Lordmonkus]

You don't need the -c and config stuff unless you want to call a custom config file which really is no longer necessary with Retroarch's built in per core and per game override system.