How do custom button config for NES

[Anonymous]

I’m using a PS3 controller and it is working just fine. However, I would like to switch 2 buttons only when running the NES emulator.

What is the best way to get this done?

Thanks

[brainfrz]

You should be able to add the gamepad button mapping to /opt/retropie/configs/nes/retroarch.cfg

That should override the configs made in the /opt/retropie/configs/all/retroarch.cfg but i’m experimenting with that myself, so your mileage may vary.

[Anonymous]

I added the following lines to the retroarch.cfg file in /nes

input_b_btn = “15”
input_a_btn = “14”

That didn’t get it.

[brainfrz]

I couldn’t check it, but i believe it should be:
input_player1_b_btn = “15”
input_player1_a_btn = “14”

Also you could try
input_player1_b_btn = 15
input_player1_a_btn = 14

I’ve seen it used both with and without quotes.

[Anonymous]

That was it. Thanks

I copied the lines from the controller config, and forgot to add the player1 stuff

[Author]

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