From: nw@retrocomputingtasmania.com (Nigel Williams)
Subject: [TUHS] TTY8
Date: Sun, 26 Nov 2017 05:16:37 +1100 [thread overview]
Message-ID: <CACCFpdwNRbbPsSnask8wnq5Ax+UJ13d6SEUUuHrkz0Ks9tXiEw@mail.gmail.com> (raw)
In-Reply-To: <024d01d36604$28b59ed0$7a20dc70$@ronnatalie.com>
On Sun, Nov 26, 2017 at 2:43 AM, Ron Natalie <ron at ronnatalie.com> wrote:
> Every PDP-11 UNIX I ever used had the console KL-11 as /dev/tty8. The
> question is why. My guess is that for some reason...
DC-11 was assigned tty[0-7]abcd
DH-11 was tty[f-u]
KL-11/DL-11 was tty8 or console
Weirdly the dc.c driver has space for 14-lines.
What was /dev/ttye used for?
http://man.cat-v.org/unix-6th/4/dc
https://github.com/eunuchs/unix-archive/blob/master/PDP-11/Trees/V6/usr/sys/dmr/dc.c
http://man.cat-v.org/unix-6th/4/kl
http://man.cat-v.org/unix-6th/4/dh
next prev parent reply other threads:[~2017-11-25 18:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-25 15:43 Ron Natalie
2017-11-25 18:16 ` Nigel Williams [this message]
2017-11-25 19:47 ` Clem cole
2017-11-28 10:02 ` Tom Ivar Helbekkmo
2017-11-25 16:48 Noel Chiappa
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