[TUHS] Fwd: Choice of Unix for 11/03 and 11/23+ Systems

[Warner Losh]

On Tue, Sep 22, 2020 at 3:37 PM Noel Chiappa <jnc at mercury.lcs.mit.edu>
wrote:

>     > If you want multiple users on an -11/03, Mini-Unix would be an
> option;
>     > zit doesn't support the -11/03 'out of the box', but looking at it,
> it
>     > shouldn't be too hard. (Heinz mentioned that it had been done
> before.)
>
> On thinking about it, I might do the -11/03 port of Mini-Unix for the hack
> value; it looks like it should be a quick project (a couple of hours, much
> of
> which would be getting Mini-Unix set up; I'd use a simulator, my QBUS RK11
> emulator is broken at the moment).
>
> I think it should mostly just be some fairly straight-forward changes to
> mch.s; I think all the C code would be fine. (Unless there's an
> 'PS->integ' or
> something hiding somewhere.) Also a few odds and ends, like a software
> console
> switch register (been there, done that).
>
> That would make the full power of Mini-Unix available to people with
> -11/03's;
> those are still fairly common, and reasonably cheap. (Unlike -11/05's.)
> It's a
> considerably more capable system than LSX: e.g. the tty driver is the full
> V6
> one, and supports an arbitrary number of devices.
>
>
> So my question is: had anyone else already done this (I don't want to waste
> time replicating already-done work)? Also, would anyone have a use for it
> if I
> did it? If so, I'll put it up on a Web page when I'm done. (No, I _don't_
> use
> Guthub, and have zero interest in learning how. I'd rather spend my
> remaining
> un-comitted neurons improving my ability to read feudal Japanese.)
>

There's several references to different miniunix patches in the AUSAM
newletters... Any chance those are still around? They don't seem to be in
the TUHS AUSAM archives, though...

Warner
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