Designing an Intel 8008 Computer. Part 1: Power, Clocks and Signals
The Intel 8008 was the second microprocessor, and the first 8-bit one, as well as being the first microprocessor to go on general sale. It’s an interesting and quirky beast which was constrained by bleeding edge technology and a curious edict from the Intel management. In terms of history, the 8008 was designed under contract …. Read More
Breadboarding With Diode Logic
I was thinking recently about OR gates. We normally do these with TTL logic chips but I wondered whether it would be possible to do the same thing with diodes. A quick Google showed that this was not merely a workable idea but something which has a name – ‘diode logic‘ – and which has …. Read More