freepascal.compiler/rtl/palmos/syspalm.pp

{
    $Id$

    This file is part of the Free Pascal run time library.
    Copyright (c) 1998,99 by Florian Klaempfl
    member of the Free Pascal development team

    See the file COPYING.FPC, included in this distribution,
    for details about the copyright.

    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.

 **********************************************************************}

{$define PALMOS}
{$ASMMODE DIRECT}
Unit SysPalm;

{$I os.inc}

  Interface

    Type
       { type and constant declartions doesn't hurt }
       LongInt  = $80000000..$7fffffff;
       Integer  = -32768..32767;
       ShortInt = -128..127;
       Byte     = 0..255;
       Word     = 0..65535;

       { !!!!
       DWord    = Cardinal;
       LongWord = Cardinal;
       }

       { The Cardinal data type isn't currently implemented for the m68k }
       DWord    = LongInt;
       LongWord = LongInt;

       { Zero - terminated strings }
       PChar    = ^Char;
       PPChar   = ^PChar;

       { procedure type }
       TProcedure = Procedure;

    const
       { max. values for longint and int }
       MaxLongint = High(LongInt);
       MaxInt = High(Integer);

       { Must be determined at startup for both }
       Test68000 : byte = 0;
       Test68881 : byte = 0;

    { Palm specific data types }
    type
       Ptr    = ^Char;

    var
       ExitCode : DWord;
       { this variables are passed to PilotMain by the PalmOS }
       cmd : Word;
       cmdPBP : Ptr;
       launchFlags : Word;

  implementation

    { mimic the C start code }
    function PilotMain(_cmd : Word;_cmdPBP : Ptr;_launchFlags : Word) : DWord;cdecl;public;

      begin
         cmd:=_cmd;
         cmdPBP:=_cmdPBP;
         launchFlags:=_launchFlags;
         asm
            bsr PASCALMAIN
         end;
         PilotMain:=ExitCode;
      end;

{*****************************************************************************
                         System Dependent Exit code
*****************************************************************************}
Procedure system_exit;
begin
end;

begin
   ExitCode:=0;
end.

{
  $Log$
  Revision 1.6  1999-09-17 10:00:40  florian
    * now using direct assembler mode

  Revision 1.5  1999/05/17 21:52:46  florian
    * most of the Object Pascal stuff moved to the system unit

  Revision 1.4  1999/01/18 10:05:56  pierre
   + system_exit procedure added

  Revision 1.3  1998/08/31 12:18:37  peter
    * export changed to public which is allowed in implementation

  Revision 1.2  1998/08/22 10:23:59  florian
    + PilotMain implemented

  Revision 1.1  1998/08/05 17:19:07  florian
    + first few things for PalmOS support

}