Katamari is correct - there is a separate configuration process for those. In addition you can configure the dgen controls by editing RetroPie/configs/all/dgenrc. Be aware: hat buttons aren't quite working in dgen-sdl 1.32, but will be fixed in 1.33. If you need help getting joystick hats working an...

[Sorry to the mods if my thread grave digging is way anti kosher - feel free to delete; I just wanted to make sure there was information on the first few results from a google search] Yes, you will need a powered usb hub. In addition, you will need to compile the latest version of xboxdrv from sourc...

I've gotten it working - and it plays awesome. :) I'll do a full write up in a little bit, I just need to clean up my setup. In short you, you are all correct. You need to have the latest version of xboxdrv (not the version available through apt-get; you will need to build from the latest source), a...