Hi, I’m interested in having a go at writing a simulator for the RCA CDP1802 processor. There is quite a bit of renewed interest in this unique processor and the systems that made use of it, like the Cosmac Elf and a variety of different spacecraft. It had some very unique features, such as the ability to use any register as the program counter. The 1802 had a few successors that added features and a family of peripheral processors. It was used as the basis of commercial products as well as home-brew systems.
I’m looking for a good place to start. If you were starting a new simulator for a simple but unique chip which other simulator would you use as a SIMH learning tool? Which simulator structure would best match the variety of systems is was used in? Thanks, Steve
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