From: Clem Cole <clemc@ccc.com>
To: Paul McJones <paul@mcjones.org>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] Tandem NSK implementation language (was: Happy birthday, John Backus!)
Date: Wed, 5 Dec 2018 09:29:33 -0500 [thread overview]
Message-ID: <CAC20D2MMVqtsCx=R+TMDy4UJ5S1k7XU3-5A90-CBmBYgnpxxnA@mail.gmail.com> (raw)
In-Reply-To: <385DF3A2-447D-4CD4-AC5C-9F541070C28B@mcjones.org>
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Paul beat me to it.. HP's SPL and Tandem's TAL were old news by then ...
In fact the HP's 3000's and HP 9000's stack architecture was model from the
B5000, see below...
On Wed, Dec 5, 2018 at 12:35 AM Paul McJones <paul@mcjones.org> wrote:
> > On Dec 4, 2018, Greg 'groggy' Lehey <grog@lemis.com> wrote:
> >
> > The original Tandem OS (called Guardian at the time) was written in
> Tandem's TAL (Transaction Application Language, amongst other productions),
> a vague evolution of HP's SPL that looked more like Algol, starting in
> about 1974. That is also the earliest I know of an operating system being
> implemented entirely in a high level language.
>
> Most likely the earliest operating system written in a high-level language
> was the one for the Burroughs B5000 (early 1960s), written in a dialect of
> Algol 60.
Called Executive Systems Problem Oriented Language or ESPOL
<https://en.wikipedia.org/wiki/Executive_Systems_Problem_Oriented_Language>.
A later edition (66/67 time frame) of the reference manual for the 5500
can be found on bitsavers as: ESPOL B5500 Reference Manual 1967
<http://bitsavers.org/pdf/burroughs/B5000_5500_5700/1032638_B5500_ESPOL_RefManOct67.pdf>
ᐧ
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next prev parent reply other threads:[~2018-12-05 14:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.1.1543975201.8252.tuhs@minnie.tuhs.org>
2018-12-05 4:48 ` Paul McJones
2018-12-05 8:16 ` Dr Iain Maoileoin
2018-12-05 14:29 ` Clem Cole [this message]
2018-12-04 14:43 [TUHS] Happy birthday, John Backus! Noel Chiappa
2018-12-04 14:53 ` Clem Cole
2018-12-04 16:24 ` Tim Rylance
2018-12-04 16:53 ` Clem Cole
2018-12-04 17:46 ` Paul Winalski
2018-12-04 20:59 ` Paul Winalski
2018-12-04 22:49 ` [TUHS] Tandem NSK implementation language (was: Happy birthday, John Backus!) Greg 'groggy' Lehey
2018-12-05 0:08 ` Paul Winalski
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