Reply To: Dreamcast Compatability List and D-Pad. Home › Forums › RetroPie Project › New to RetroPie? Start Here! › Dreamcast Compatability List and D-Pad. › Reply To: Dreamcast Compatability List and D-Pad. 03/18/2016 at 19:02 #120793 senkunParticipant I’m not sure why I had (similar) controller issues with dreamcast running retropie 3.6 on my Pi 2 but when I got my new Pi 3, only thing I had to do was set up my controller via the start up input configuration prompt, and all my buttons were perfectly mapped for dreamcast this time. as a last resort setup your controller input again? rm /home/pi/.emulationstation/es_input.cfg F4 exit emulationstation (re-)start emulationetation the configuration prompt will appear again.