Hi Folks and Peter --

At 8:32 AM +0100 5/20/03, Peter Crowther wrote:
>  > From: [...] Richard A. O'Keefe
>>  The DEC-10 machines had a scheme called Unimplemented User-Operations
>>  (UUOs) which IIRC were used heavily in some Pop implementations.
>>  I have a vague notion that "extracodes" may go back to Atlas.
>
>I have a vague feeling you're right.  I'll ask my father - one of the folks
>who worked on the London Atlas - next time I talk to him.  If not, we still
>have a good few of the Atlas folks around at the University of Manchester.

That was one of the greatest eras in computing. Both the Atlas, its 
OS, and also ancillary SW (like the Brooker & Morris 
Compiler-Compiler) were the apex of computing until the "brain drain" 
to the US. Do you (or anyone) know of a book about this history?

Cheers,

Alan (old by old)

>
>		- Peter (old by proxy :-)


--