🚀 go-pugleaf

MR wrote:

> Isn't there really no way to get the same under DOS?

There is probably an interrupt function to do that or else some
in-memory structure you can examine but DOS is..well...old :)

There's usually some way of doing what you want but whether it's
documented or supported by a given development platform is another
matter.

I think it unlikely that the same C++ code can be used in both Windows
and DOS. Even if it's possible in this particular case it simply can't
hold true in all cases - the two platforms are just too different. More
likely you will need to isolate such platform specific code in a
separate unit and have one such unit for each platform you intend to
target. Organised correctly you will probably end up with the following
(naming convention is up to you):

  Plat_DOS.Cpp/.h
  Code and declarations for DOS platform.

  Plat_Windows.Cpp/.h
  Code and declarations for Windows platform.

  Platform.Cpp/.h
  - #includes one of the above dependant on compiler (#ifdef/#endif)
  - Declarations for a standardised way of using the functionality
provided by the Plat_* units.
  - Code to translated the standardised public interface into the
correct calls for the platform specific units.

Ideally Platform.Cpp/.h won't contain any significant code just
function call wrappers but that is dependant on how good a job you do
in defining the Plat_* framework.

-- 
Andrue Cope [TeamB]
[Bicester, Uk]
http://info.borland.com/newsgroups/guide.html