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Re: Historical Implementations to Garbage Collectors

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<lpsantil@gmail.com> wrote in message news:14-05-001@comp.compilers...
> I'm interested in studying historical implementations of garbage
> collection in early programming languages (BASIC, Lisp, etc).  I'm
> especially interested in language/runtime interface descriptions.
> Does anybody have references they can share?
>
> [My LISP 1.5 manual says they used a straightforward mark and sweep
> GC.  The only complication was that list storage cells had a free bit
> they could use for marking, while cells used for strings didn't so
> it was a separate area and they used a separate bitmap.  I'm fairly
> sure that early Dartmouth BASIC was all static allocated, no GC. -John]

In the Microsoft BASIC used in the TRS-80, there is a bug in the string
garbage collection.  As far as I know, this was *never* corrected, but as
the string space fills... the GC fails way too soon.  This is sort of
historic, as the TRS-80 was using MS BASIC in the early 1980's.
--

numerist at aquaporin4 dot com

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Historical Implementations to Garbage Collectors "lpsantil@gmail.com" <lpsantil@gmail.com> - 2014-05-03 16:02 -0400
  Re: Historical Implementations to Garbage Collectors rpw3@rpw3.org (Rob Warnock) - 2014-05-04 07:04 +0000
  Re: Historical Implementations to Garbage Collectors "Robin Vowels" <robin51@dodo.com.au> - 2014-05-04 19:06 +1000
    Re: Historical Implementations to Garbage Collectors Kaz Kylheku <kaz@kylheku.com> - 2014-05-05 00:47 +0000
      Re: Historical Implementations to Garbage Collectors "Robin Vowels" <robin51@dodo.com.au> - 2014-05-06 01:23 +1000
      Re: Historical Implementations to Garbage Collectors George Neuner <gneuner2@comcast.net> - 2014-05-06 10:55 -0400
        Re: Historical Implementations to Garbage Collectors George Neuner <gneuner2@comcast.net> - 2014-05-07 00:12 -0400
          Re: Historical Implementations to Garbage Collectors "Robin Vowels" <robin51@dodo.com.au> - 2014-05-21 18:37 +1000
            Re: Historical Implementations to Garbage Collectors Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2014-05-22 13:37 +0200
      Re: Historical Implementations to Garbage Collectors mac <acolvin@efunct.com> - 2014-05-06 18:02 +0000
        Re: Historical Implementations to Garbage Collectors Kaz Kylheku <kaz@kylheku.com> - 2014-05-07 05:34 +0000
  Re: Historical Implementations to Garbage Collectors "Charles Richmond" <numerist@aquaporin4.com> - 2014-05-05 08:28 -0500
    Re: Historical Implementations to Garbage Collectors Gene Wirchenko <genew@telus.net> - 2014-05-06 20:23 -0700

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