Exactly^^ you were faster, I was already writing this post.Joefish wrote: ↑Fri May 18, 2018 6:10 pm Can you point me to where the internals of the C64 one are documented? I can't find anything.
Never mind:
http://home.kpn.nl/bderogee1980/project ... Rifle.html
I found PCB photos of the light pen of a competitor. This will be a good starting point for me =)