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

ben bfranchuk at
Wed Jul 15 15:30:24 CDT 2015

On 7/15/2015 1:42 PM, Chuck Guzis wrote:
> 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?

Quick look on the web ... ARG! Max segment length 64K something.

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