Subject: Re: Slightly Off-Topic...
To: Dave McGuire <>
From: Matthew Jacob <>
List: port-alpha
Date: 06/25/2001 14:17:41
On Mon, 25 Jun 2001, Dave McGuire wrote:

> On June 25, bad bob wrote:
> > I think vaxen also had PDP11 compatibility at one time too...
>   This is correct; the VAX-11 family had a pdp11 compatibility mode.
> If memory serves, one could run RSX-11M binaries under VMS using said
> mode.
>   Neat stuff.

Right- but the 'mode bit' was a bit PITA to support in h/w. The better choice
was what DeCastro insisted on for DataGeneral with the infamous 'no mode bit'.