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From: John Cowan <cowan@ccil.org>
To: Noel Chiappa <jnc@mercury.lcs.mit.edu>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] Fwd: Choice of Unix for 11/03 and 11/23+ Systems
Date: Thu, 24 Sep 2020 14:24:24 -0400	[thread overview]
Message-ID: <CAD2gp_Tyoc6rxJmrRJZPkqTpRbHKQARUPDpDp2Fp15ZFLiaZtw@mail.gmail.com> (raw)
In-Reply-To: <20200924130402.EDE4718C09F@mercury.lcs.mit.edu>

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I suppose this is teaching your grandmother(s) to suck eggs, but if you are
not messing with the kernel or drivers, I find apout to be delightful.

On Thu, Sep 24, 2020 at 9:04 AM Noel Chiappa <jnc@mercury.lcs.mit.edu>
wrote:

>     > From: Paul Riley
>
>     > On my physical '03 I have twin Sykes floppy drives. I note that in
> the
>     > LSX archives there is a Sykes driver, so I can adapt that I guess.
>
> Yes, here:
>
>  https://www.tuhs.org/cgi-bin/utree.pl?file=LSX/sys/sykfd.c
>
> It looks like it should be a straight drop-in, to run it on Mini-Unix. Not
> sure if your controller is the exact same model, though? Is there any
> documentation on yours? (I haven't done any searching.)
>
> If you want to boot from it, you'll need to write a bootstrap for it; I
> poked
> around, but didn't see one. (Not sure how they booted machines with one,
> back
> in the day; maybe it wasn't the only drive, and they booted off something
> else.)  You can probably modify the RX one:
>
>   https://www.tuhs.org/cgi-bin/utree.pl?file=LSX/src/rxboot.s
>   https://www.tuhs.org/cgi-bin/utree.pl?file=LSX/src/rxboot2.s
>
> Note that this is a 2-stage bootstrap, apparently as a result of the small
> hardware block size on the RX.
>
> And of course there's still the issue of 'how to get bits onto it'. Can
> floppies for it be written on some other kind of machine? If so, someone on
> the Classic Computers list:
>
>   http://www.classiccmp.org/mailman/listinfo/cctalk
>
> may be able to help you write those, or an RL02 pack.
>
>
> You should start by getting some experience building V6 OS loads (Mini-Unix
> will be _very_ similar); use a simulator. I have a lengthy tutorial here:
>
>   http://www.chiappa.net/~jnc/tech/V6Unix.html
>
> It's in terms of Ersatz-11, which I prefer because it has that nice DOS
> device,
> which makes it easy to get files into the Unix (so I can use my normal
> editor on
> the host machine). However, I gather most people prefer SIMH; there is a
> tutorial
> here:
>
>   https://gunkies.org/wiki/Running_Unix_v6_in_SIMH
>
> (I didn't write it; I know nothing of SIMH) for that option.
>
> How do people using SIMH get files into a Unix running on one? Larry Allen
> just wrote a PDP-11 simulator in Rust, and he's thinking about adding a
> paper-tape reader (connectable to a file), so that if he installs the stock
> V6 PTR driver, he can just do 'cat /dev/ptr > myfile'; sort of like how
> VM/370 used the virtual card reader.
>
>        Noel
>
>

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  reply	other threads:[~2020-09-24 18:25 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24 13:04 Noel Chiappa
2020-09-24 18:24 ` John Cowan [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-02-03  1:25 Noel Chiappa
2020-10-18 21:36 Norman Wilson
2020-10-12 22:43 Noel Chiappa
2020-10-12 19:27 Noel Chiappa
2020-10-10 23:29 Noel Chiappa
2020-10-11  2:30 ` Jay Logue
2020-10-11 23:24 ` Paul Riley
2020-10-12  0:53   ` Dave Horsfall
2020-10-12  1:56     ` Warner Losh
2020-10-12  2:09       ` Andrew Warkentin
2020-10-12 16:57       ` Arthur Krewat
2020-10-18 20:42     ` Michael Huff
2020-10-08 23:49 Noel Chiappa
2020-10-08 16:06 Noel Chiappa
2020-10-06 23:08 Noel Chiappa
2020-10-07  5:24 ` Jay Logue
2020-10-06 20:34 Noel Chiappa
2020-10-06 19:34 Noel Chiappa
2020-10-06 19:04 Noel Chiappa
2020-10-06 14:46 Noel Chiappa
2020-10-06 16:22 ` jay-tuhs9915
2020-10-02  0:39 Noel Chiappa
2020-10-01 12:51 Noel Chiappa
2020-10-02  0:23 ` Paul Riley
2020-09-30 23:16 Noel Chiappa
2020-09-30 18:51 Noel Chiappa
2020-09-30 17:58 Noel Chiappa
2020-09-28 23:21 Noel Chiappa
2020-09-30  1:50 ` Paul Riley
2020-09-27 21:07 Noel Chiappa
2020-09-27 21:12 ` Warner Losh
2020-09-28  0:22   ` Pete Turnbull
2020-09-27 20:50 Noel Chiappa
2020-09-29 13:20 ` Paul Riley
2020-09-25 22:08 Noel Chiappa
2020-09-26 14:52 ` John Foust
2020-09-28  0:03 ` Paul Riley
2020-09-28  0:06   ` Paul Riley
2020-09-24 18:56 Noel Chiappa
2020-09-24 11:02 Paul Ruizendaal
2021-02-03  0:12 ` Greg A. Woods
2020-09-24  1:28 Noel Chiappa
2020-09-23 23:14 Noel Chiappa
2020-09-24  1:09 ` John Foust
2020-09-22 21:51 John Foust
2020-09-22 21:36 Noel Chiappa
2020-09-22 21:46 ` Warner Losh
2020-09-22 21:49 ` John Foust
2020-09-22 15:59 Noel Chiappa
2021-02-03  0:07 ` Greg A. Woods
2020-09-22  0:47 Noel Chiappa
2020-09-21 19:37 Noel Chiappa
2020-09-21 23:16 ` devin davison
2020-09-21 18:13 Noel Chiappa
2020-09-21 17:59 Noel Chiappa
2020-09-21 18:18 ` Arthur Krewat
2020-09-20 13:12 Noel Chiappa
2020-09-19 15:28 Noel Chiappa
2020-09-21 10:26 ` Paul Riley
2021-01-24 16:07 ` Tom Ivar Helbekkmo via TUHS
2021-01-25  4:58   ` Gregg Levine
2021-01-25  8:21     ` Tom Ivar Helbekkmo via TUHS
     [not found] <CAD05_j1bc6DDRtfPkd4QVeWXjwSp73bty46D=2ATozUbHThBWw@mail.gmail.com>
2020-09-19  3:22 ` Paul Riley
2020-09-19 14:20   ` Heinz Lycklama
2020-09-21 13:54     ` Paul Riley
2020-09-21 15:30       ` Heinz Lycklama
2020-09-21 23:27   ` Henry Bent
     [not found]     ` <4C35E6D2-8ABD-4DC2-BB2F-F15FA5BF30DD@icloud.com>
2020-09-22  0:22       ` Henry Bent

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