[Simh] VAX vectors

[Johnny Billquist]

On 2015-07-09 20:26, Eric Smith wrote:
> Would anyone mind posting a short assembly snippet of a VAX vector
> instruction used in context?
>
> The only complex instruction I've ever used is the Z-80's "LDIR".

Even plain old VAX instructions can be way more complex than LDIR. :-)
There are instructions for polynomial expansion, case instructions, move 
translated strings, and I can't even remember what else...

	Johnny

>
>> On Jul 9, 2015, at 12:16 PM, Richard <legalize at xmission.com> wrote:
>>
>>
>> In article <559E9CCA.5050701 at supnik.org>,
>>     Bob Supnik <bob at supnik.org> writes:
>>
>>> Vectors were all the rage at the time (late 80s) because of the success
>>> of the so-called "minisupers" like Convex and Alliant. It was just a
>>> flash in the pan, of course; with the end of the Cold War in the early
>>> 90s, funding for HPTC dried up for a decade, and all the minisuper and
>>> VLIW companies died out.
>>
>> It may have been considered a "flash in the pan" as far as DEC was
>> concerned, but it certainly had a lasting presence on computing.  The
>> simd extensions added to x86 (MMX, SSE, etc.) and other CPU
>> architectures are testimony to the importance of vector oriented
>> processing.
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