I got an HP 4951b serial protocol analyzer off eBay, and want to do something similar with it. It’s based on an NSC-800 CPU, which feels like a cross between a

I got an HP 4951b serial protocol analyzer off eBay, and want to do something similar with it. It’s based on an NSC-800 CPU, which feels like a cross between a Z80 and an i8085. My explorations are at https://github.com/InPermutation/HP4951b https://github.com/InPermutation/HP4951b