Hi mitu thanks for that info.
Apologies for not specifying the correct info as I am very new to retropie and struggling with some of the clever stuff. As I built retro pie four weeks ago still exciting about playing games with the game pad but naturally want to make it more enjoyable palying with the joystick. I will check the speed link FAQ and jtest instructions you provided and report back. I get the impression from your responses that this should work so its good news I just need to work out how to configure this.
My retropie build is:
Pre-made images for the Raspberry Pi
The latest pre-made image of RetroPie is v4.8
Released March 14, 2022.
Running on Raspberrypie 4 with 4Gb RAM.
Regards
Dario