The Unix Heritage Society mailing list
 help / color / mirror / Atom feed
From: Clem Cole <clemc@ccc.com>
To: Ronald Natalie <ron@ronnatalie.com>
Cc: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] Upgrading from 11/40 to 11/45 in Unix v6
Date: Mon, 31 Dec 2018 10:53:53 -0500	[thread overview]
Message-ID: <CAC20D2NeE4RM0MhfdoNvytZii_vvdEiZvRjW3FewS4XJj2j2Lw@mail.gmail.com> (raw)
In-Reply-To: <224401d4a11a$3c30a6b0$b491f410$@ronnatalie.com>

[-- Attachment #1: Type: text/plain, Size: 650 bytes --]

On Mon, Dec 31, 2018 at 10:05 AM <ron@ronnatalie.com> wrote:

> Yep, and notwithstanding split I/D, we switched to -n (410 magic)
> read-only code space.
>
Agreed, that was pretty standard and used the sticky bit as needed.  IIRC
this was to help sharing, but I admit those bits in my brain had not been
refreshed in years.




> Of course, the kludge nargs() function didn’t work at all in split-I/D
> mode unless you made a hack to the processor to change the behavior of MFPI.
>
Ah yes, I've forgotten that hack.   Does simh or any of the other
simulators support it?   It would need to be an option of course.



>
>
[-- Attachment #2: Type: text/html, Size: 2190 bytes --]

  reply	other threads:[~2018-12-31 15:55 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-31  2:25 Will Senn
2018-12-31  2:43 ` Clem cole
2018-12-31  3:31   ` Will Senn
2018-12-31 14:55     ` Clem Cole
2018-12-31 15:05       ` ron
2018-12-31 15:53         ` Clem Cole [this message]
2018-12-31 17:30           ` ron
2018-12-31 18:20             ` Paul Winalski
2018-12-31 23:36       ` [TUHS] Useful Unix tools + Usenix tapes Warren Toomey
2019-01-01  1:30         ` Clem cole
2019-01-01  1:58         ` Clem cole
2019-01-01  2:00           ` Clem cole
2019-01-01  2:08           ` Nigel Williams
2019-01-01  2:17             ` Warren Toomey
2019-01-01  8:18               ` Warren Toomey
2018-12-31  2:47 ` [TUHS] Upgrading from 11/40 to 11/45 in Unix v6 Clem cole
2018-12-31  3:08   ` Will Senn
2018-12-31  3:15     ` Clem cole
2018-12-31  6:51 Noel Chiappa
2018-12-31 15:06 ` Will Senn
2018-12-31 15:50 ` Clem Cole
2018-12-31 15:53   ` Warner Losh
2018-12-31 15:59     ` Clem Cole
2019-01-01  1:56 ` Eric Allman
2018-12-31 17:20 Noel Chiappa
2018-12-31 18:38 Noel Chiappa
2018-12-31 20:06 ` Warner Losh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAC20D2NeE4RM0MhfdoNvytZii_vvdEiZvRjW3FewS4XJj2j2Lw@mail.gmail.com \
    --to=clemc@ccc.com \
    --cc=ron@ronnatalie.com \
    --cc=tuhs@tuhs.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).