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Re: Borrow loop from other languages

Date 2026-03-19 21:27 +1100
Subject Re: Borrow loop from other languages
Newsgroups comp.lang.forth
References <69bb591e$1@news.ausics.net> <10pg7kg$gr82$1@dont-email.me>
From dxf <dxforth@gmail.com>
Message-ID <69bbcf87$1@news.ausics.net> (permalink)
Organization Ausics - https://newsgroups.ausics.net

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On 19/03/2026 6:12 pm, Lev wrote:
> ... 
> What made '83 DO LOOP particularly good in this regard?  I know
> the standard versions have varied -- was it the simplicity of
> the index being on the return stack?

Index were always on the return stack.  Previous DO LOOPs had issues
relating to LEAVE and number range.  83' LOOP was faster albeit with
a more costly initialization.  There was a write-up in Forth Dimensions
by Robert Smith:

https://www.forth.org/fd/FD-V04N3.pdf page 24

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Borrow loop from other languages albert@spenarnc.xs4all.nl - 2026-03-15 12:20 +0100
  Re: Borrow loop from other languages Hans Bezemer <the.beez.speaks@gmail.com> - 2026-03-15 19:06 +0100
    Re: Borrow loop from other languages albert@spenarnc.xs4all.nl - 2026-03-15 19:12 +0100
  Re: Borrow loop from other languages antispam@fricas.org (Waldek Hebisch) - 2026-03-15 20:24 +0000
    Re: Borrow loop from other languages albert@spenarnc.xs4all.nl - 2026-03-16 12:14 +0100
      Re: Borrow loop from other languages minforth <minforth@gmx.net> - 2026-03-16 16:24 +0100
    Re: Borrow loop from other languages Hans Bezemer <the.beez.speaks@gmail.com> - 2026-03-18 16:11 +0100
      Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-18 19:10 +0000
      Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-18 19:10 +0000
      Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-19 01:12 +0000
        Re: Borrow loop from other languages dxf <dxforth@gmail.com> - 2026-03-19 13:02 +1100
          Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-19 07:12 +0000
            Re: Borrow loop from other languages dxf <dxforth@gmail.com> - 2026-03-19 21:27 +1100
              Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-19 13:09 +0000
                Re: Borrow loop from other languages dxf <dxforth@gmail.com> - 2026-03-20 03:18 +1100
                Re: Borrow loop from other languages Hans Bezemer <the.beez.speaks@gmail.com> - 2026-03-19 18:31 +0100
                Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-19 17:53 +0000
                Re: Borrow loop from other languages dxf <dxforth@gmail.com> - 2026-03-20 12:18 +1100
                Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-19 13:35 -0500
                Re: Borrow loop from other languages thresh3@fastmail.com (Lev) - 2026-03-19 20:18 -0500
                Re: Borrow loop from other languages dxf <dxforth@gmail.com> - 2026-03-20 18:54 +1100

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