Hmmm second search now yielded results with the answer. Consider this “problem” solved.
https://github.com/retropie/RetroPie-Setup/wiki/FAQ#why-cant-i-insert-coins-in-arcade-emulators
Hmmm second search now yielded results with the answer. Consider this “problem” solved.
https://github.com/retropie/RetroPie-Setup/wiki/FAQ#why-cant-i-insert-coins-in-arcade-emulators