Where does it mention RISC-V? I'm curious to read it. I hit ctrl-F to search for RISC-V in https://github.com/ZipCPU/zipcpu/blob/master/doc/spec.pdf https://git

Where does it mention RISC-V? I'm curious to read it. I hit ctrl-F to search for RISC-V in https://github.com/ZipCPU/zipcpu/blob/master/doc/spec.pdf https://github.com/ZipCPU/zipcpu/blob/master/doc/spec.pdf and only found a brief mention under "2.2.7: Operand B".