Interesting! Have you written anything about your architecture?

Nothing public, but I can write something up in another thread if you're interested. It has nothing to do with the 6502 - and indeed predates my interest in it.

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Want to design a PCB for your project? I strongly recommend KiCad. Its free, its multiplatform, and its easy to learn!
Also, I maintain KiCad libraries of Retro Computing and Arduino components you might find useful.

I'm always interested! Any of us thinking about CPU designs are doing the same that the 6502 designers did, having seen the 6800 and thinking there was a better way.