[COFF] Tonight's epiphany

[Larry McVoy]

I'm still waiting for the self timed logic I was taught in the 1980s.
Does anyone know why that is not a thing?  It seemed smart back then.

On Wed, Jan 26, 2022 at 07:00:52PM -0800, Bakul Shah wrote:
> 
> 
> > On Jan 26, 2022, at 6:09 PM, Adam Thornton <athornton at gmail.com> wrote:
> > 
> > "Reflections on Trusting Trust" plus the fact that no one has designed new real computers at the gate level for at least 30 years, maybe longer--it's done in an HDL of some kind, which is to say, software--means it's already way, way too late.
> 
> https://arith-matic.com/notebook/4bit-7400-homebrew-computer-cpu
> https://eater.net/8bit/
> http://cpuville.com/Projects/Original-CPU/Original-CPU-home.html
> 
> Then there are people like Ken Shiriff who are revese
> engineering from die photos of a chip!
> https://www.youtube.com/watch?v=aHx-XUA6f9g
> 
> Of course, you may need some machine learning to reverse
> engineer a modern chip with bilions of transistors to see
> if some surreptitious logic was sneaked in!
> 
> You may need some way to prove the manufactured chip is
> exactly what was specified. Probably impossible today.
> 
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Larry McVoy            	     lm at mcvoy.com             http://www.mcvoy.com/lm