https://observablehq.com/collection/@drom/bitfield
https://wavedrom.com/editor.html
https://github.com/wavedrom/bitfield
https://github.com/wavedrom/bitfield/tree/trunk/test
https://pypi.org/project/wavedrom/
https://wavedrom.com/tutorial.html
https://wavedrom.com/tutorial2.html