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Re: GNAT messages and the not operator (pitfall alert!)

From Bill Findlay <findlaybill@blueyonder.co.uk>
Newsgroups comp.lang.ada
Subject Re: GNAT messages and the not operator (pitfall alert!)
Date 2026-01-12 16:13 +0000
Organization none
Message-ID <0001HW.2F1555370058ED9830ECBC38F@news.individual.net> (permalink)
References <dewar.846163972@merv> <10jmfiv$v99t$4@dont-email.me> <10jt8ct$32ou8$1@dont-email.me> <10juemk$3eijl$6@dont-email.me> <10k0q5p$3oia$1@dont-email.me>

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On 11 Jan 2026, Dirk Craeynest wrote
(in article <10k0q5p$3oia$1@dont-email.me>):

> Brings back fond memories of the HP calculators with RPN (Reverse Polish
> Notation)...

A computer that used an RPN instruction set was the English Electric KDF9.

You can see snippets of KDF9 assembler here:
<http://www.findlayw.plus.com/KDF9/#PSK>

That code was generated by a 21st century KDF9 Pascal cross-compiler
called paskal, and can be executed by a KDF9 emulator called ee9.

Both paskal and ee9 are written in ... Ada 2012.

You can find them here:
<http://www.findlayw.plus.com/KDF9/emulation/emulator.html#Download>
-- 
Bill Findlay

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Re: GNAT messages and the not operator (pitfall alert!) Nioclás Pól Caileán de Ghloucester <thanks-to@Taf.com> - 2026-01-07 13:01 +0100
  Re: GNAT messages and the not operator (pitfall alert!) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-07 20:27 +0000
    Re: GNAT messages and the not operator (pitfall alert!) Kevin Chadwick <kc-usenet@chadwicks.me.uk> - 2026-01-10 10:07 +0000
      Re: GNAT messages and the not operator (pitfall alert!) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-10 21:01 +0000
        Re: GNAT messages and the not operator (pitfall alert!) dirk@orka.cs.kuleuven.be. (Dirk Craeynest) - 2026-01-11 18:29 +0000
          Re: GNAT messages and the not operator (pitfall alert!) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-11 20:21 +0000
            Re: GNAT messages and the not operator (pitfall alert!) dirk@orka.cs.kuleuven.be. (Dirk Craeynest) - 2026-01-12 09:55 +0000
          Re: GNAT messages and the not operator (pitfall alert!) Bill Findlay <findlaybill@blueyonder.co.uk> - 2026-01-12 16:13 +0000
        Re: GNAT messages and the not operator (pitfall alert!) Nioclás Pól Caileán de Ghloucester <thanks-to@Taf.com> - 2026-02-13 12:22 +0000
          Re: GNAT messages and the not operator (pitfall alert!) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-02-13 21:46 +0000
            Re: GNAT messages and the not operator (pitfall alert!) Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-02-13 13:57 -0800

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