What is waveform? How it is supposed to impact the debugging process. More info is needed to atract general audience, not everyone is desiging own CPU even here.
Not necessarily, no. I've dabbled in VHDL, but not remotely close to being proficient. Is it useful for that kind of thing? I don't recognize the term.
Maybe this project unlocks be getting into it? But as is, I have no idea if this makes it easier, or is even related.