Extremely CISC instructions
derschjo at gmail.com
Wed Aug 25 13:32:59 CDT 2021
On Wed, Aug 25, 2021 at 11:19 AM Tony Duell via cctalk <
cctalk at classiccmp.org> wrote:
> On Wed, Aug 25, 2021 at 7:07 PM ben via cctalk <cctalk at classiccmp.org>
> > On 2021-08-25 11:08 a.m., Josh Dersch via cctalk wrote:
> > > (The Three Rivers PERQ included a similar "RASTEROP" instruction in its
> Well, it might do.There is no requirement for the PERQ machine code
> instruction set to include that, or any other particular instruction.
Sure there is -- if it was left out, all of the user code that depended on
it would stop functioning :). I can remove instructions from the 11/780's
microcode as well, but then it'd cease to be a VAX...
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