Okay - getting there...
I have a scratch built Atari star Wars with a GRS yoke and USB encoder.
When I use the coin buttons outside the game e.g. to assign the buttons to controls - they work fine every time.
Once the game kicks off however I have to press the coin button several times in succession before credits start appearing.
After that all seems to be fine and both coin buttons work as expected from that point onwards.
Anyone had any similar issues?
Cheers
Paul.