The original NMOS 6502 also used a lot of rather weird dynamic logic which can't easily be represented as standard digital logic elements. Some details here: h

The original NMOS 6502 also used a lot of rather weird dynamic logic which can't easily be represented as standard digital logic elements. Some details here: http://www.aholme.co.uk/6502/Main.htm http://www.aholme.co.uk/6502/Main.htm