Meaning of "architecture width" - Re: 68K Macs with MacOS 7.5 still in production use...

Chuck Guzis cclist at
Sat Sep 17 19:47:37 CDT 2016

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.


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