[Info-vax] Three boot camp sessions on YouTube
John Reagan
xyzzy1959 at gmail.com
Tue Oct 11 15:20:34 EDT 2016
On Tuesday, October 11, 2016 at 2:44:10 PM UTC-4, Simon Clubley wrote:
> On 2016-10-07, Camiel Vanderhoeven <> wrote:
> >
> > Well, there are similarities and differences between x86 and all of
> > the previous architectures:
> >
> > x86 is a lot like VAX when you look at its instruction set
>
> Except of course (as you also pointed out in one of the videos)
> the x86 has lots of special purpose registers unlike the VAX where
> the registers are general purpose registers.
>
Don't forget VAX vector registers and the additional instructions. I view them as the early equivalent of the x86 XMM register set and beyond.
However, yes, the separate floating point processing model is not VAX-like at all.
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