So I'm scrolling through this and wonder just how useful this info would have been back in the day when we were working with Z80s and came across this: This se

So I'm scrolling through this and wonder just how useful this info would have been back in the day when we were working with Z80s and came across this: This section might also relevant even if you don’t do anything with hardware; it might give some insight into how the Z80 operates. Besides, it took me hours to draw this. I feel so validated because I myself have included content in user manuals for the pretty much the same reason.