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Re:Inside the ALU of the 8085 microprocessor by hurtmyknee on Sunday January 27, 2013 @02:32PM (#5125288)
Building a CPU in a circuit simulation framework[1] was one of my favorite, and most illuminating, projects I've done.

A great book to learn more: http://www.amazon.com/Computer-Systems-Programmers-Perspecti...

[1] http://tams-www.informatik.uni-hamburg.de/applets/hades/webd...

Re:Inside the ALU of the 8085 microprocessor by jevinskie on Sunday January 27, 2013 @03:17PM (#5125466)
Did you ever run the HDL on an FPGA? That is half the fun/battle/frustration! =)