[apricot]

The Nand2Tetris computer is a bad fit for 74xx chips and breadboards. It's 16 bit, for one thing, which implies a lot of chips and a lot of wires on a lot of breadboards, and the usual current problems that come with that. Better have a good source and an oscilloscope nearby. Also, the virtual design sweeps a lot of important timing issues under the rug, so you need some EE chops to translate it correctly to real hardware.

I know of a few people who managed to get a working Nand2Tetris computer on breadboards, but it took a lot more time and money than they thought it would.

On FPGA, though, it works nicely.