I got my Retropie 2.0 now almost set up perfectly, running smooth with wireless PS3 Controllers, except I have no button to exit roms, how can I bind the L2 button for example to quit the emulation of the rom and go back to the emustation menu?
input_exit_emulator_btn = "9"
You have to enter the corresponding number to your L2 button.
If you want to have an additional hotkey so that you can only exit the emulators if you’re pressing two buttons add: input_enable_hotkey_btn = "8"
For everything that’s not retroarch you have to check the config files if there’s any way to configure the exit button.
I’m not sure if it’s even possible for mame4all, pifba, pisnes, osmose or gpsp to customize the exit button.
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