On Wed, 9 Aug 2017 20:45:06 -0400 Gene Heskett <ghesk...@shentel.net> wrote:
> > > It is NOT a new invention by any means. Motorola's micro-processor in > the first TRS-80 Color Computer, the MC6809E in the early 1980's was > built with that in mind. And I've been writing assembly code that > used it ever since. > > So its only new to the wintel scene. :) I assume moto's patents had > to expire before anybody else could use it. And it wasn't new to microprocessors. The DG Nova was using it rather earlier, and I assume the PDPs had it. And so on... http://users.rcn.com/crfriend/museum/doco/DG/Nova/base-instr.html -- Joe
