High score save kit ?

I wrote free play/high score saves for all the Sega vector games, saving the data to the C000-CFFF memory location that is supported by VectorLabs multigame. Works in MAME but I never had the multigame kit to test it. I tried making standalone hardware to test on one of my games but haven't been able to work on it.

I know @philmurr created a kit for Astro Blaster which uses the same hardware. Maybe we could collaborate to get this done finally.
 
I wrote free play/high score saves for all the Sega vector games, saving the data to the C000-CFFF memory location that is supported by VectorLabs multigame. Works in MAME but I never had the multigame kit to test it. I tried making standalone hardware to test on one of my games but haven't been able to work on it.

I know @philmurr created a kit for Astro Blaster which uses the same hardware. Maybe we could collaborate to get this done finally.

You're welcome to a couple of sets of high score save/protection "defeat" boards to experiment with if that's what you need?
 
You're welcome to a couple of sets of high score save/protection "defeat" boards to experiment with if that's what you need?
Thanks for the offer. But if I recall correctly, I would need to know how to program it? Any chance you could preprogram it so any read/writes to that memory range would store it in nvram?
 
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