Kryoflux or Catweasle

Paul Birkel pbirkel at
Thu May 25 00:53:57 CDT 2017

>-----Original Message-----
>From: cctech [mailto:cctech-bounces at] On Behalf Of ben via cctech
>Sent: Thursday, May 25, 2017 1:32 AM
>To: cctech at
>Subject: Re: Kryoflux or Catweasle
>On 5/24/2017 7:19 PM, allison via cctech wrote:
>> I have a load of all of those...  2901Cs the faster ones. The 2901 tends
>> to force
>> the flavor of the hardware and instructions toward microcoded machine.
>But if you want 9 or 18 bits, 2901 is not the answer.
>A 74181 can be tricked in to being used as 3 bit alu.

Can you tell more about the 3-bit trick?


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