Man, I just re-read this blog post and I couldn't believe that I had written it. PCB pics and schematic pics? I usually just toss some random words together on my blog posts hehehe.
As far as Star Rider is concerned, I did get it partially emulated a few years ago. Everything except for the expander and the sound board was working properly.
I documented a ton of info about the game which would provide someone a massive shortcut if they want to work on emulation:
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Re: Star Rider
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I subsequently acquired a full Star Rider arcade game to help finish this emulation but got distracted making Dexter 
