On 09/17/2016 01:11 PM, Paul Koning wrote: > > One other example of a machine that confuses the picture is the CDC > 6000 series peripheral processor. I doubt there would be much > objection to calling that a 12 bit architecture. But its main > register (the accumulator) is 18 bits wide.
And, in my attempt to stir up the hornet's nest, I pointed out that there were machines with no fixed word length, nor any programmer-visible registers--not even the P-counter. Our modern orthodoxy has spoiled our view of the world. --Chuck