Seb - you may want to refer to the posts here and here. In the first post, there is a link you can click to download for install the xarcade.cfg file that goes within your MAME ctrlr folder. You will need to set that up in mame as to the path you have that folder on your hard drive and in the global controller options. In the second post which is somewhat related to your question/issue, you were asked a few questions by Adultery and fRequeEnCy - did you address them?