On Thursday 17 Jun 2004 4:46 pm, David E. Fox wrote:
>> It reminds me of assembly courses I took in the 80s where the
> instructor was quick to point out that a MOV instruction didn't go
> out and physically move the bits from point A to point B, but did a
> copy.

The PDP-8 had no MOV instruction, but did have:
DCA - Dump And Clear Accumulator
TCA - Two's Complement Add

Storing the contents of the accumulator cleared it, and to load it you 
added something to it.

-- 
Richard Urwin

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