I'm pleased to report I now have XRoar running on the Raspberry Pi Zero via RetroPie.
All that was needed was a cheap WiFi dongle so that it could connect to the internet, in order to build XRoar.
And performance, I have to say, seems pretty good!
Not bad for a £5 computer.
![Very Happy :D](./images/smilies/icon_e_biggrin.gif)