While most RISC-V implementations don't use microcode, it is an option if your priority is not performance. Here are just two examples: https://github.com/gsme

While most RISC-V implementations don't use microcode, it is an option if your priority is not performance. Here are just two examples: https://github.com/gsmecher/minimax https://github.com/gsmecher/minimax https://github.com/brouhaha/glacial https://github.com/brouhaha/glacial