- I’ve been reverse-engineering the Z-80 processor, using images from the Visual 6502 team. One interesting thing about the Z-80’s silicon is it uses complex gates with multiple inputs and multiple levels of logic. It also implements an XOR gate with an unusual pass-transistor circuit. I thought it would be interesting to examine these gates at the silicon level and show how they work.
Should any party attempt to abolish social security and eliminate labor laws and farm programs, you would not hear of that party again in our political history. There is a tiny splinter group of course, that believes you can do these things […] Their number is negligible and they are stupid.
Dwight D. Eisenhower, private letter