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### 8.14.19 BP compatibility: Turbo3

The following listing contains the interface of the Turbo3 unit.

This is a compatibility unit to BP's ``Turbo3'` compatibility unit to TP3. ;-) It is not meant to be used in any newly written code.

    { Turbo Pascal 3.0 compatibility unit

      Copyright (C) 1998-2002 Free Software Foundation, Inc.

      Author: Frank Heckenbach <frank@pascal.gnu.de>

      This file is part of GNU Pascal.

      GNU Pascal is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
      by the Free Software Foundation; either version 2, or (at your
      option) any later version.

      GNU Pascal is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      General Public License for more details.

      You should have received a copy of the GNU General Public License
      along with GNU Pascal; see the file COPYING. If not, write to the
      Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
      02111-1307, USA.

      As a special exception, if you link this file with files compiled
      with a GNU compiler to produce an executable, this does not cause
      the resulting executable to be covered by the GNU General Public
      License. This exception does not however invalidate any other
      reasons why the executable file might be covered by the GNU
      General Public License. }

    {$gnu-pascal,I-}
    {$if __GPC_RELEASE__ < 20020225}
    {$error This unit requires GPC release 20020225 or newer.}
    {$endif}

    { @@ Work-around for a problem with COFF debug info. Will hopefully
         disappear with qualified identifiers. }
    {$ifdef DJGPP}
    {$local W-} {$no-debug-info} {$endlocal}
    {$endif}

    unit Turbo3;

    interface

    import GPC;
           System (MemAvail => System_MemAvail,
                   MaxAvail => System_MaxAvail);
           CRT (LowVideo  => CRT_LowVideo,
                HighVideo => CRT_HighVideo);

    var
      Kbd: Text;
      CBreak: Boolean absolute CheckBreak;

    procedure AssignKbd (var F: { @@ AnyFile } Text);
    function  MemAvail: Integer; asmname '_p_MemAvail3';
    function  MaxAvail: Integer; asmname '_p_MaxAvail3';
    function  LongFileSize (var F: AnyFile): Real;
    function  LongFilePos  (var F: AnyFile): Real;
    procedure LongSeek     (var F: AnyFile; aPosition: Real);
    procedure LowVideo; asmname '_p_LowVideo3';
    procedure HighVideo; asmname '_p_HighVideo3';

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This document was generated by Frank Heckenbach on May, 10 2002 using texi2html