Subject: Re: Status?
To: Anders Magnusson <ragge@ludd.luth.se>
From: Brian Chase <vaxzilla@jarai.org>
List: port-pdp10
Date: 06/07/2002 18:20:31
On Sat, 8 Jun 2002, Anders Magnusson wrote:

> > Out of curiousity, which PDP-10 models will be able to theoretically
> > support with the NetBSD/pdp10 port?
>
> A PDP10 CPU normally have an address space of only 18 bits, which is
> not enough to run something useable in. But the KL10-E have an "extended"
> mode which give it the possibility to use 30 bit addressing, though
> only 23 bits are used. The KL10-E were normally available in the
> 2060 and 2065 systems.

With the addressing, is that 23-bits of addressing to 36-bit words or
23-bits of addressing to 9-bit bytes?

> I've spent some time reading about how the memory management works
> and this looks like a fun project :-)

Yes indeed.  I'm most curious to see precisely what breaks in the
NetBSD code.

-brian.