[zipcpu]

Next week's project will be programming the software for a PicoRV inside the bus structure created by AutoFPGA, so I am very aware of the RISC-V architectures ... now.

I would very much like to build a RISC-V 64-bit variant (there are already many 32-bit variants), but so far the task isn't funded. Well, neither was the ZipCPU when I built it, but now such an upgrade would need to compete with other paying projects I'm working on whereas I didn't have an income when I started working on the ZipCPU.