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Re: New Vax - future directions :-)
On Wed, Jul 07, 2021 at 11:37:04AM +0200, Hans Rosenfeld wrote:
> On Sat, Jul 03, 2021 at 03:46:00PM +0200, Anders Magnusson wrote:
> > Convenience:
> > Even though there are 288 instructions, a few are missing that would be
> > nice. For example;
> > - Unsigned mul/div. Vax only have signed.
> > - logical shift right. Vax have EXTZV, but it is an unneccessarily
> > complicated instruction.
> > - AND. Vax have BIC instead, but that (almost) always require a complement
> > as well.
> And, can we perhaps get a PDP11 compatibility mode, too? Like the one
> early VAX-11 models had? Please? :)
This would indeed be pretty nice _and_ broaden the appeal of the project.
So, pretty please?
> Thanks for breathing some life back into the VAX, and into port-vax.
> This is so amazing on so many levels. :)
Yes, very much!
"Opportunity is missed by most people because it is dressed in overalls and
looks like work." -- Thomas A. Edison
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