freepascal.compiler/compiler/ppovin.pas

{
    $Id$
    Copyright (c) 1997-98 by Daniel Mantione

    Handles the overlay initialisation for a TP7 compiled version

    This program 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 of the License, or
    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 ****************************************************************************
}
unit ppovin;

interface

var ovrminsize:longint;

implementation

uses    overlay;

var s:string;

begin
    s:=paramstr(0);
    ovrinit(copy(s,1,length(s)-3)+'ovr');
    if ovrresult=ovrok then
        begin
            {May fail if no EMS memory is available. No need for error
             checking, though, as the overlay manager happily runs without
             EMS.}
            ovrinitEMS;
            ovrminsize:=ovrgetbuf;
            ovrsetbuf(ovrminsize+$20000);
        end
    else
        runerror($da);
end.
{
  $Log$
  Revision 1.1  1998-03-25 11:18:15  root
  Initial revision

  Revision 1.5  1998/03/10 01:17:24  peter
    * all files have the same header
    * messages are fully implemented, EXTDEBUG uses Comment()
    + AG... files for the Assembler generation


  Pre CVS Log:

  FK     Florian Klaempfl
  DM     Dani‰l Mantione
  +      feature added
  -      removed
  *      bug fixed or changed

  12th October 1997:
        Rewritten (DM).
}