I think the key to learning FPGAs, as in most other languages, is to find a small project that really grabs you and blunder along with that until you've got som

I think the key to learning FPGAs, as in most other languages, is to find a small project that really grabs you and blunder along with that until you've got something that works. Then you realise how you'd do it better and what you don't know and ... For me and FPGA's it came out of a friend asking why you have 12 semitones in a scale, and what would happen if you had 13. The idea of a polyphonic synth with 13 semitones in a scale was born. That led to trying to understand clocks, dividers, metastability on inputs, synthesis for testing and test rigs, simple DAC and all sorts that I can't recall now. And 13 semitones in a musical scale is a really dumb idea. A great way to twist the head of musician friends but dumb...