[TUHS] Re: Porting Unix v6 to i386

P.A.Osborne P.A.Osborne at ukc.ac.uk
Fri Feb 1 20:27:41 AEST 2002

On Thu, Jan 31, 2002 at 07:51:41PM +0100, Johnny Billquist wrote:
> I thought I only made one point, and that was that the argument for V6
> being easier to port because "286 protected mode gives a very similar
> handling on memory management as the PDP did".

Rereading the mail - you did.  

Sorry for getting the wrong end of the stick.

> Since V6 and V7 both run on the PDP-11 it can absolutely not be an
> argument for preferring V6 to V7.
> Thus I think it is a silly argument.

OK fair point - I respect your view.

> The rest is purely speculative on my behalf, and I really don't want to
> debate wether V6 or V7 would be better to port.
> I have a proper PDP-11 at home, and in addition, I run RSX, not Unix on
> it. :-)

If I acquired a PDP-11 and wanted to take it home I suspect that the
missus would not be too pleased.  Hence the PDP emulator and a bizarre
need to port to x86...


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