NES USB controller "B" button not recognized

Hi!

I’m runing RetroArch 1.3.6 on OS X 10.11.5 and I have G-Tron Classic NES controller. My problem is that when I try to bind controller inputs, RetroArch recognize every other button correctly but wouldn’t recognize “B” button at all. I also tested the controller with some USB HID monitorin app and that app recognized all buttons but button numbers where in different order compared what RetroArch shows…

What should I try to fix this problem? Any ideas?

It’s a pretty crummy solution, but you could try just guessing what the correct keycode would be, based on the others RetroArch reports.

You could map RetroArch to the keyboard, then use Xpadder to map keyboard to controller.