An excellent presentation of an amazing reverse engineering effort of the 6502 used in many of the most popular 1st generation Personal Computers. My head hurts just thinking about the hours that have gone into this and the results are quite impressive.

Part 1:

Part 2:

Part 3:

Part 4:

Part 5:

Part 6:

Here is a good article discussing the designer of the 6502, Chuck Peddle.