[Simh] RT-11 source

[David Holland]

(Not that I can add much to the thread.)   Other than the Minix, and split
I/D discussion tickled an old memory..

I'd say it depends on the the version of Minix.

My Google Foo Finds these two threads (quickly) WRT Minix & split I/D.

http://www.verycomputer.com/79_f57ba779880523a6_1.htm

https://groups.google.com/forum/#!topic/vmsnet.pdp-11/Azzk6fQHmLE

The latter is funny in this context, that thread is only 12 years old.

David




On Wed, Oct 26, 2016 at 3:04 PM, Ethan Dicks <ethan.dicks at gmail.com> wrote:

> On Sat, Oct 22, 2016 at 12:55 PM, Al Kossow <aek at bitsavers.org> wrote:
> > Did anyone ever port MINIX to the PDP-11?
>
> I know there's MINIX for the 68000 and SPARC (as of 2.0) and of ARM
> (as of 3.0), but I've never heard of MINIX for the PDP-11.  Given that
> MINIX 1.0 will run on a 5150-type IBM PC, the utilities and such
> should fit into a 64KB address space, but without some digging
> wouldn't know if they also depend on split I&D or not (since that's
> "free" on Intel CPUs).
>
> It might be do-able, but wouldn't be done quickly.  I remember more
> than a little IBM assembler in the MINIX sources, and I don't recall
> how tightly the old stuff is tied to the processor and/or ISA Bus
> implementation.
>
> -ethan
> _______________________________________________
> Simh mailing list
> Simh at trailing-edge.com
> http://mailman.trailing-edge.com/mailman/listinfo/simh
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.trailing-edge.com/pipermail/simh/attachments/20161026/c626617f/attachment.html>