a) Convert your game to run the P-ROC system:
https://pinballmakers.com/wiki/index.php?title=Main_Page
Then run this code (or modify it per your needs): https://github.com/mypinballs/indianajones
b) or repair your game.
Then run this code (or modify it per your needs): https://github.com/mypinballs/indianajones
b) or repair your game.
I found that source code, but they also have made modifications from the original and don't include the original assets. I emailed the creator asking for what hardware they are running for this.
if you want to modify the original game, you're going to need to get into 6809E disassembly and manual rom hacking.
> into 6809E disassembly and manual rom hacking
darn. I was hoping someone had a c/cpp code dump somewhere :-/. the repo doesn't have assets.