Subj : Re: DOS overlays
To   : borland.public.cpp.borlandcpp
From : Ed Mulroy [TeamB]
Date : Mon Jun 07 2004 08:48 pm

The BC++ 5.02 linker support for overlays is broken.  The only
workaround I know of is to use an earlier linker.

..  Ed

> Doug Nichols wrote in message
> news:40c4f4dc@newsgroups.borland.com...
> I am (still!) supporting a suite of DOS order-entry and invoicing
> programs I wrote in the early 1990s under BC++ 3.1.
>
> The largest exe in the project is around 500K. As an overlay it
leaves
> about 130K of RAM available at the point where it is fully
initialised
> and waiting for a keystroke. It has been trouble-free for years. The
> same program compiled as a standard DOS exe (without overlays) has
30K
> of RAM available at the same point, and fails before it has a chance
to
> be useful.
>
> I am currently converting the whole project to BC++ 5.02 (a platform
I
> have used a lot for Windows programming) and I now find that
overlays
> aren't working. The programs behave the same regardless of my choice
of
> Standard or Overlay - the same, in fact, as the non-overlaid ones
built
> under BC++ 3.1.
>
> I believe I have set all the appropriate options. The generated make
> file appears to be correct, including linking overlay.lib.
>
> Is there something I am missing here?

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