360/50 microcode listing

Chuck Guzis cclist at sydex.com
Fri May 8 10:41:04 CDT 2015

On 05/08/2015 08:28 AM, Noel Chiappa wrote:

> Cool story; thanks for the link - but the page says it was a 360/30. (The
> smallest 'real' 360 - the 360/20 was a lobotomized 'sorta' 360/.)

"Lobotomized" is being far too generous.  16 instead of 32-bit GRs, vast 
swatches of instructions missing;.. it was quite a shock to someone 
moving down from the Model 30+ systems.


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