Reproducing old machines with newer technology (Re: PDP-12 at the RICM)

Chuck Guzis cclist at
Wed Jul 15 14:42:02 CDT 2015

On 07/15/2015 11:29 AM, Jay Jaeger wrote:
> Sigh.  Again, the difference is between how OPERANDS were formatted vs.
> INSTRUCTIONS.  As I said, I agree that lots of machines had variable
> length operands (including a couple at the bit level, which the 1400
> series did not do except for an individual character).  But darn few had
> variable length INSTRUCTIONS, things like operand address chaining, and
> the like.

You mean, like the iA432?

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