From: charles.unix.pro@gmail.com (Charles Anthony)
Subject: [TUHS] [TUHS} PDP-11, Unix, octal?
Date: Wed, 18 Jan 2017 13:42:33 -0800 [thread overview]
Message-ID: <CANV78LQpSfxbT_cvz5tFaobdwhy2ub1e-+RUAFOw6_p8bbwAMQ@mail.gmail.com> (raw)
In-Reply-To: <510395f632697f73c8a4d90e562790dfa8c082d5@webmail.yaccman.com>
On Wed, Jan 18, 2017 at 1:04 PM, Steve Johnson <scj at yaccman.com> wrote:
> The PDP-10 and the GE/Honeywell were the two machines I recall that
> elicited Dennis' comment about 10-track tape drives. When I ported C to
> the Honeywell machine at the Murray Hill comp center, I used 9-bit bytes as
> the default, and added a syntax `abcd` to create a constant in the 6-bit
> character set. Most of the OS calls used 6-bit characters, although the
> time-sharing system was moving to 9-bits. And most of the use of C on the
> Honeywell was in the time-sharing system.
>
> Quite a few years later, I discovered accidentally that the syntax `abcd`
> was still accepted on the Sun compiler, that had been based on PCC. It
> drew some kind of error message like "GCOS characters not supported",
> presumably because some switch was turned off in the machine-dependent
> files...
>
> Steve
>
> r 13:40 0.072 1
qedx
i
main () {
int i;
i = `abcd`;
}
\f
w foo.c
q
r 13:41 0.169 3
>sl3p>cc>x>cc foo
linkage_editor: Entry not found. foo
r 13:41 0.276 50
>sl3p>cc>x>cc foo.c
"", line 3: gcos BCD constant illegal
cc: An error has occurred while Compiling foo.c.
r 13:41 3.575 211
-- Charles
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://minnie.tuhs.org/pipermail/tuhs/attachments/20170118/ac92a542/attachment.html>
next prev parent reply other threads:[~2017-01-18 21:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 2:33 Noel Chiappa
2017-01-18 3:06 ` Steve Johnson
2017-01-18 3:36 ` Dan Cross
2017-01-18 6:53 ` Angelo Papenhoff
2017-01-18 7:31 ` ron minnich
2017-01-18 8:09 ` Angelo Papenhoff
2017-01-18 21:04 ` Steve Johnson
2017-01-18 21:42 ` Charles Anthony [this message]
2017-01-18 6:04 ` Lars Brinkhoff
2017-01-18 18:47 ` Peter Jeremy
2017-01-18 18:58 ` Charles Anthony
-- strict thread matches above, loose matches on Subject: below --
2017-01-18 14:28 Nelson H. F. Beebe
2017-01-17 2:23 Doug McIlroy
2017-01-18 16:47 ` Clem Cole
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=CANV78LQpSfxbT_cvz5tFaobdwhy2ub1e-+RUAFOw6_p8bbwAMQ@mail.gmail.com \
--to=charles.unix.pro@gmail.com \
/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).