[Simh] VAX vectors

Eric Smith esmithmail at gmail.com
Thu Jul 9 14:26:05 EDT 2015


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".

> 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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>     The Computer Graphics Museum <http://ComputerGraphicsMuseum.org>
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>  Legalize Adulthood! (my blog) <http://LegalizeAdulthood.wordpress.com>
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