mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-06-06 12:58:25 +02:00
* switch to a full blown win16 system unit
git-svn-id: trunk@31530 -
This commit is contained in:
nickysn
parent
4068a05631
commit
c2c008c09a
7
.gitattributes
vendored
7
.gitattributes
vendored
@ -9702,6 +9702,13 @@ rtl/win16/prt0l.asm svneol=native#text/plain
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rtl/win16/prt0m.asm svneol=native#text/plain
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rtl/win16/prt0s.asm svneol=native#text/plain
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rtl/win16/prt0t.asm svneol=native#text/plain
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rtl/win16/registers.inc svneol=native#text/plain
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rtl/win16/rtldefs.inc svneol=native#text/plain
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rtl/win16/sysdir.inc svneol=native#text/plain
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rtl/win16/sysfile.inc svneol=native#text/plain
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rtl/win16/sysheap.inc svneol=native#text/plain
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rtl/win16/sysos.inc svneol=native#text/plain
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rtl/win16/sysosh.inc svneol=native#text/plain
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rtl/win16/system.pp svneol=native#text/plain
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rtl/win32/Makefile svneol=native#text/plain
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rtl/win32/Makefile.fpc svneol=native#text/plain
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9
rtl/win16/registers.inc
Normal file
9
rtl/win16/registers.inc
Normal file
@ -0,0 +1,9 @@
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{ Registers record used by Intr and MsDos. This include file is shared between
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the system unit and the dos unit. }
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type
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Registers = packed record
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case Integer of
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0: (AX, BX, CX, DX, BP, SI, DI, DS, ES, Flags: Word);
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1: (AL, AH, BL, BH, CL, CH, DL, DH: Byte);
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end;
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24
rtl/win16/rtldefs.inc
Normal file
24
rtl/win16/rtldefs.inc
Normal file
@ -0,0 +1,24 @@
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{
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This file is part of the Free Pascal run time library.
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Copyright (c) 2012 by Free Pascal development team
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This file contains platform-specific defines that are used in
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multiple RTL units.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{ the single byte OS APIs always use UTF-8 }
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{ define FPCRTL_FILESYSTEM_UTF8}
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{ The OS supports a single byte file system operations API that we use }
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{$define FPCRTL_FILESYSTEM_SINGLE_BYTE_API}
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{ The OS supports a two byte file system operations API that we use }
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{ define FPCRTL_FILESYSTEM_TWO_BYTE_API}
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139
rtl/win16/sysdir.inc
Normal file
139
rtl/win16/sysdir.inc
Normal file
@ -0,0 +1,139 @@
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{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by Florian Klaempfl and Pavel Ozerski
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member of the Free Pascal development team.
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FPC Pascal system unit for the Win32 API.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{*****************************************************************************
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Directory Handling
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*****************************************************************************}
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procedure DosDir(func:byte;s: rawbytestring);
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var
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regs : Registers;
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len : Integer;
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begin
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(* DoDirSeparators(s);
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{ True DOS does not like backslashes at end
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Win95 DOS accepts this !!
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but "\" and "c:\" should still be kept and accepted hopefully PM }
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len:=length(s);
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if (len>0) and (s[len]='\') and
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Not ((len=1) or ((len=3) and (s[2]=':'))) then
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s[len]:=#0;
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regs.DX:=Ofs(s[1]);
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regs.DS:=Seg(s[1]);
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if LFNSupport then
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regs.AX:=$7100+func
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else
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regs.AX:=func shl 8;
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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GetInOutRes(regs.AX);*)
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end;
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Procedure do_MkDir(const s: rawbytestring);
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begin
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{ DosDir($39,s);}
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end;
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Procedure do_RmDir(const s: rawbytestring);
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begin
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{ if s='.' then
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begin
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InOutRes:=16;
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exit;
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end;
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DosDir($3a,s);}
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end;
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Procedure do_ChDir(const s: rawbytestring);
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var
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regs : Registers;
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len : Integer;
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begin
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(* len:=Length(s);
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{ First handle Drive changes }
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if (len>=2) and (s[2]=':') then
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begin
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regs.DX:=(ord(s[1]) and (not 32))-ord('A');
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regs.AX:=$0e00;
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MsDos(regs);
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regs.AX:=$1900;
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MsDos(regs);
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if regs.AL<>regs.DL then
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begin
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Inoutres:=15;
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exit;
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end;
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{ DosDir($3b,'c:') give Path not found error on
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pure DOS PM }
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if len=2 then
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exit;
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end;
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{ do the normal dos chdir }
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DosDir($3b,s);*)
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end;
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procedure do_GetDir (DriveNr: byte; var Dir: RawByteString);
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var
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temp : array[0..260] of char;
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i : integer;
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regs : Registers;
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begin
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(* regs.DX:=drivenr;
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regs.SI:=Ofs(temp);
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regs.DS:=Seg(temp);
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if LFNSupport then
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regs.AX:=$7147
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else
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regs.AX:=$4700;
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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Begin
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GetInOutRes (regs.AX);
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Dir := char (DriveNr + 64) + ':\';
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SetCodePage (Dir,DefaultFileSystemCodePage,false);
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exit;
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end
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else
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temp[252] := #0; { to avoid shortstring buffer overflow }
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{ conversion to Pascal string including slash conversion }
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i:=0;
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SetLength(dir,260);
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while (temp[i]<>#0) do
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begin
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if temp[i] in AllowDirectorySeparators then
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temp[i]:=DirectorySeparator;
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dir[i+4]:=temp[i];
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inc(i);
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end;
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dir[2]:=':';
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dir[3]:='\';
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SetLength(dir,i+3);
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SetCodePage (dir,DefaultFileSystemCodePage,false);
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{ upcase the string }
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if not FileNameCasePreserving then
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dir:=upcase(dir);
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if drivenr<>0 then { Drive was supplied. We know it }
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dir[1]:=char(65+drivenr-1)
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else
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begin
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{ We need to get the current drive from DOS function 19H }
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{ because the drive was the default, which can be unknown }
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regs.AX:=$1900;
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MsDos(regs);
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i:= (regs.AX and $ff) + ord('A');
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dir[1]:=chr(i);
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end;*)
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end;
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401
rtl/win16/sysfile.inc
Normal file
401
rtl/win16/sysfile.inc
Normal file
@ -0,0 +1,401 @@
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{
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This file is part of the Free Pascal run time library.
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Copyright (c) 2001 by Free Pascal development team
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Low leve file functions
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{ Keep Track of open files }
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{ const
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max_files = 50;
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var
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openfiles : array [0..max_files-1] of boolean;}
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{$ifdef SYSTEMDEBUG}
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{ opennames : array [0..max_files-1] of pchar;
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const
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free_closed_names : boolean = true;}
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{$endif SYSTEMDEBUG}
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{****************************************************************************
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Low level File Routines
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****************************************************************************}
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procedure do_close(handle : thandle);
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var
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regs : Registers;
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begin
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(* if Handle<=4 then
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exit;
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regs.BX:=handle;
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if handle<max_files then
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begin
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openfiles[handle]:=false;
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{$ifdef SYSTEMDEBUG}
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if assigned(opennames[handle]) and free_closed_names then
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begin
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sysfreememsize(opennames[handle],strlen(opennames[handle])+1);
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opennames[handle]:=nil;
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end;
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{$endif SYSTEMDEBUG}
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end;
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regs.AX:=$3e00;
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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GetInOutRes(regs.AX);*)
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end;
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procedure do_erase(p : pchar; pchangeable: boolean);
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var
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regs : Registers;
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oldp : pchar;
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begin
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(* oldp:=p;
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DoDirSeparators(p,pchangeable);
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regs.DX:=Ofs(p^);
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regs.DS:=Seg(p^);
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if LFNSupport then
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regs.AX:=$7141
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else
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regs.AX:=$4100;
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regs.SI:=0;
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regs.CX:=0;
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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GetInOutRes(regs.AX);
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if p<>oldp then
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freemem(p);*)
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end;
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procedure do_rename(p1,p2 : pchar; p1changeable, p2changeable: boolean);
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var
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regs : Registers;
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oldp1, oldp2 : pchar;
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begin
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(* oldp1:=p1;
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oldp2:=p2;
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DoDirSeparators(p1,p1changeable);
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DoDirSeparators(p2,p2changeable);
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regs.DS:=Seg(p1^);
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regs.DX:=Ofs(p1^);
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regs.ES:=Seg(p2^);
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regs.DI:=Ofs(p2^);
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if LFNSupport then
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regs.AX:=$7156
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else
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regs.AX:=$5600;
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regs.CX:=$ff; { attribute problem here ! }
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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GetInOutRes(regs.AX);
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if p1<>oldp1 then
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freemem(p1);
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if p2<>oldp2 then
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freemem(p2);*)
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end;
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function do_write(h:thandle;addr:pointer;len : longint) : longint;
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var
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regs: Registers;
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begin
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(* regs.AH := $40;
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regs.BX := h;
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regs.CX := len;
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regs.DS := Seg(addr^);
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regs.DX := Ofs(addr^);
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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begin
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GetInOutRes(regs.AX);
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exit(0);
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end;
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do_write := regs.AX;*)
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end;
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function do_read(h:thandle;addr:pointer;len : longint) : longint;
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var
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regs: Registers;
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begin
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(* regs.AH := $3F;
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regs.BX := h;
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regs.CX := len;
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regs.DS := Seg(addr^);
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regs.DX := Ofs(addr^);
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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begin
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GetInOutRes(regs.AX);
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exit(0);
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end;
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do_read := regs.AX;*)
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end;
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function do_filepos(handle : thandle) : longint;
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var
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regs : Registers;
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begin
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(* regs.BX:=handle;
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regs.CX:=0;
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regs.DX:=0;
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regs.AX:=$4201;
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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Begin
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GetInOutRes(regs.AX);
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do_filepos:=0;
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end
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else
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do_filepos:=(longint(regs.DX) shl 16) + regs.AX;*)
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end;
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procedure do_seek(handle:thandle;pos : longint);
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var
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regs : Registers;
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begin
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(* regs.BX:=handle;
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regs.CX:=pos shr 16;
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regs.DX:=pos and $ffff;
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regs.AX:=$4200;
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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GetInOutRes(regs.AX);*)
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end;
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|
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function do_seekend(handle:thandle):longint;
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var
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regs : Registers;
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begin
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(* regs.BX:=handle;
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regs.CX:=0;
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regs.DX:=0;
|
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regs.AX:=$4202;
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MsDos(regs);
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if (regs.Flags and fCarry) <> 0 then
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Begin
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GetInOutRes(regs.AX);
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do_seekend:=0;
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end
|
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else
|
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do_seekend:=(longint(regs.DX) shl 16) + regs.AX;*)
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end;
|
||||
|
||||
|
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function do_filesize(handle : thandle) : longint;
|
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var
|
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aktfilepos : longint;
|
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begin
|
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{ aktfilepos:=do_filepos(handle);
|
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do_filesize:=do_seekend(handle);
|
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do_seek(handle,aktfilepos);}
|
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end;
|
||||
|
||||
|
||||
{ truncate at a given position }
|
||||
procedure do_truncate (handle:thandle;pos:longint);
|
||||
var
|
||||
regs : Registers;
|
||||
begin
|
||||
{ do_seek(handle,pos);
|
||||
regs.CX:=0;
|
||||
regs.BX:=handle;
|
||||
regs.AX:=$4000;
|
||||
MsDos(regs);
|
||||
if (regs.Flags and fCarry) <> 0 then
|
||||
GetInOutRes(regs.AX);}
|
||||
end;
|
||||
|
||||
{const
|
||||
FileHandleCount : word = 20;
|
||||
|
||||
function Increase_file_handle_count : boolean;
|
||||
var
|
||||
regs : Registers;
|
||||
begin
|
||||
Inc(FileHandleCount,10);
|
||||
regs.BX:=FileHandleCount;
|
||||
regs.AX:=$6700;
|
||||
MsDos(regs);
|
||||
if (regs.Flags and fCarry) <> 0 then
|
||||
begin
|
||||
Increase_file_handle_count:=false;
|
||||
Dec (FileHandleCount, 10);
|
||||
end
|
||||
else
|
||||
Increase_file_handle_count:=true;
|
||||
end;}
|
||||
|
||||
procedure do_open(var f;p:pchar;flags:longint; pchangeable: boolean);
|
||||
{
|
||||
filerec and textrec have both handle and mode as the first items so
|
||||
they could use the same routine for opening/creating.
|
||||
when (flags and $100) the file will be append
|
||||
when (flags and $1000) the file will be truncate/rewritten
|
||||
when (flags and $10000) there is no check for close (needed for textfiles)
|
||||
}
|
||||
var
|
||||
regs : Registers;
|
||||
action : word;
|
||||
oldp : pchar;
|
||||
begin
|
||||
{ close first if opened }
|
||||
(* if ((flags and $10000)=0) then
|
||||
begin
|
||||
case filerec(f).mode of
|
||||
fminput,fmoutput,fminout : Do_Close(filerec(f).handle);
|
||||
fmclosed : ;
|
||||
else
|
||||
begin
|
||||
inoutres:=102; {not assigned}
|
||||
exit;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
{ reset file handle }
|
||||
filerec(f).handle:=UnusedHandle;
|
||||
action:=$1;
|
||||
{ convert filemode to filerec modes }
|
||||
case (flags and 3) of
|
||||
0 : filerec(f).mode:=fminput;
|
||||
1 : filerec(f).mode:=fmoutput;
|
||||
2 : filerec(f).mode:=fminout;
|
||||
end;
|
||||
if (flags and $1000)<>0 then
|
||||
action:=$12; {create file function}
|
||||
{ empty name is special }
|
||||
if p[0]=#0 then
|
||||
begin
|
||||
case FileRec(f).mode of
|
||||
fminput :
|
||||
FileRec(f).Handle:=StdInputHandle;
|
||||
fminout, { this is set by rewrite }
|
||||
fmoutput :
|
||||
FileRec(f).Handle:=StdOutputHandle;
|
||||
fmappend :
|
||||
begin
|
||||
FileRec(f).Handle:=StdOutputHandle;
|
||||
FileRec(f).mode:=fmoutput; {fool fmappend}
|
||||
end;
|
||||
end;
|
||||
exit;
|
||||
end;
|
||||
oldp:=p;
|
||||
DoDirSeparators(p,pchangeable);
|
||||
{$ifndef RTLLITE}
|
||||
if LFNSupport then
|
||||
begin
|
||||
regs.AX := $716c; { Use LFN Open/Create API }
|
||||
regs.DX := action; { action if file does/doesn't exist }
|
||||
regs.SI := Ofs(p^);
|
||||
regs.BX := $2000 + (flags and $ff); { file open mode }
|
||||
end
|
||||
else
|
||||
{$endif RTLLITE}
|
||||
begin
|
||||
if (action and $00f0) <> 0 then
|
||||
regs.AX := $3c00 { Map to Create/Replace API }
|
||||
else
|
||||
regs.AX := $3d00 + (flags and $ff); { Map to Open_Existing API }
|
||||
regs.DX := Ofs(p^);
|
||||
end;
|
||||
regs.DS := Seg(p^);
|
||||
regs.CX := $20; { file attributes }
|
||||
MsDos(regs);
|
||||
{$ifndef RTLLITE}
|
||||
if (regs.Flags and fCarry) <> 0 then
|
||||
if regs.AX=4 then
|
||||
if Increase_file_handle_count then
|
||||
begin
|
||||
{ Try again }
|
||||
if LFNSupport then
|
||||
begin
|
||||
regs.AX := $716c; {Use LFN Open/Create API}
|
||||
regs.DX := action; {action if file does/doesn't exist}
|
||||
regs.SI := Ofs(p^);
|
||||
regs.BX := $2000 + (flags and $ff); {file open mode}
|
||||
end
|
||||
else
|
||||
begin
|
||||
if (action and $00f0) <> 0 then
|
||||
regs.AX := $3c00 {Map to Create/Replace API}
|
||||
else
|
||||
regs.AX := $3d00 + (flags and $ff); {Map to Open API}
|
||||
regs.DX := Ofs(p^);
|
||||
end;
|
||||
regs.DS := Seg(p^);
|
||||
regs.CX := $20; {file attributes}
|
||||
MsDos(regs);
|
||||
end;
|
||||
{$endif RTLLITE}
|
||||
if (regs.Flags and fCarry) <> 0 then
|
||||
begin
|
||||
FileRec(f).mode:=fmclosed;
|
||||
GetInOutRes(regs.AX);
|
||||
if oldp<>p then
|
||||
freemem(p);
|
||||
exit;
|
||||
end
|
||||
else
|
||||
begin
|
||||
filerec(f).handle:=regs.AX;
|
||||
{$ifndef RTLLITE}
|
||||
{ for systems that have more then 20 by default ! }
|
||||
if regs.AX>FileHandleCount then
|
||||
FileHandleCount:=regs.AX;
|
||||
{$endif RTLLITE}
|
||||
end;
|
||||
if regs.AX<max_files then
|
||||
begin
|
||||
{$ifdef SYSTEMDEBUG}
|
||||
if openfiles[regs.AX] and
|
||||
assigned(opennames[regs.AX]) then
|
||||
begin
|
||||
Writeln(stderr,'file ',opennames[regs.AX],'(',regs.AX,') not closed but handle reused!');
|
||||
sysfreememsize(opennames[regs.AX],strlen(opennames[regs.AX])+1);
|
||||
end;
|
||||
{$endif SYSTEMDEBUG}
|
||||
openfiles[regs.AX]:=true;
|
||||
{$ifdef SYSTEMDEBUG}
|
||||
opennames[regs.AX] := sysgetmem(strlen(p)+1);
|
||||
move(p^,opennames[regs.AX]^,strlen(p)+1);
|
||||
{$endif SYSTEMDEBUG}
|
||||
end;
|
||||
{ append mode }
|
||||
if ((flags and $100) <> 0) and
|
||||
(FileRec (F).Handle <> UnusedHandle) then
|
||||
begin
|
||||
do_seekend(filerec(f).handle);
|
||||
filerec(f).mode:=fmoutput; {fool fmappend}
|
||||
end;
|
||||
|
||||
if oldp<>p then
|
||||
freemem(p);*)
|
||||
end;
|
||||
|
||||
|
||||
function do_isdevice(handle:THandle):boolean;
|
||||
var
|
||||
regs: Registers;
|
||||
begin
|
||||
(* regs.AX := $4400;
|
||||
regs.BX := handle;
|
||||
MsDos(regs);
|
||||
do_isdevice := (regs.DL and $80) <> 0;
|
||||
if (regs.Flags and fCarry) <> 0 then
|
||||
GetInOutRes(regs.AX);*)
|
||||
end;
|
||||
30
rtl/win16/sysheap.inc
Normal file
30
rtl/win16/sysheap.inc
Normal file
@ -0,0 +1,30 @@
|
||||
{
|
||||
This file is part of the Free Pascal run time library.
|
||||
Copyright (c) 2001 by Free Pascal development team
|
||||
|
||||
This file implements all the base types and limits required
|
||||
for a minimal POSIX compliant subset required to port the compiler
|
||||
to a new OS.
|
||||
|
||||
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.
|
||||
|
||||
**********************************************************************}
|
||||
|
||||
|
||||
{*****************************************************************************
|
||||
Heap Management
|
||||
*****************************************************************************}
|
||||
|
||||
function SysOSAlloc (size: ptruint): pointer;
|
||||
begin
|
||||
Result := nil;
|
||||
end;
|
||||
|
||||
procedure SysOSFree(p: pointer; size: ptruint);
|
||||
begin
|
||||
end;
|
||||
34
rtl/win16/sysos.inc
Normal file
34
rtl/win16/sysos.inc
Normal file
@ -0,0 +1,34 @@
|
||||
{
|
||||
This file is part of the Free Pascal run time library.
|
||||
Copyright (c) 2013 by Free Pascal development team
|
||||
|
||||
This file implements all the base types and limits required
|
||||
for a minimal POSIX compliant subset required to port the compiler
|
||||
to a new OS.
|
||||
|
||||
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.
|
||||
|
||||
**********************************************************************}
|
||||
|
||||
procedure GetInOutRes(def: Word);
|
||||
{var
|
||||
regs : Registers;}
|
||||
begin
|
||||
{ regs.AX:=$5900;
|
||||
regs.BX:=$0;
|
||||
MsDos(regs);
|
||||
InOutRes:=regs.AX;
|
||||
case InOutRes of
|
||||
19 : InOutRes:=150;
|
||||
21 : InOutRes:=152;
|
||||
32 : InOutRes:=5;
|
||||
end;
|
||||
if InOutRes=0 then
|
||||
InOutRes:=Def;}
|
||||
end;
|
||||
|
||||
26
rtl/win16/sysosh.inc
Normal file
26
rtl/win16/sysosh.inc
Normal file
@ -0,0 +1,26 @@
|
||||
{
|
||||
This file is part of the Free Pascal run time library.
|
||||
Copyright (c) 2013 by Free Pascal development team
|
||||
|
||||
This file implements all the base types and limits required
|
||||
for a minimal POSIX compliant subset required to port the compiler
|
||||
to a new OS.
|
||||
|
||||
See the file COPYING.FPC, included in this distribution,
|
||||
for details about the copyright.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
|
||||
**********************************************************************}
|
||||
|
||||
{Platform specific information}
|
||||
type
|
||||
THandle = Word;
|
||||
TThreadID = THandle;
|
||||
|
||||
PRTLCriticalSection = ^TRTLCriticalSection;
|
||||
TRTLCriticalSection = record
|
||||
Locked: boolean
|
||||
end;
|
||||
@ -2,31 +2,294 @@ unit system;
|
||||
|
||||
interface
|
||||
|
||||
type
|
||||
HResult=word;
|
||||
LPCTSTR=^char;far;
|
||||
{$DEFINE FPC_NO_DEFAULT_HEAP}
|
||||
|
||||
{$DEFINE FPC_INCLUDE_SOFTWARE_MUL}
|
||||
{$DEFINE FPC_INCLUDE_SOFTWARE_MOD_DIV}
|
||||
|
||||
{$DEFINE FPC_USE_SMALL_DEFAULTSTACKSIZE}
|
||||
{ To avoid warnings in thread.inc code,
|
||||
but value must be really given after
|
||||
systemh.inc is included otherwise the
|
||||
$mode switch is not effective }
|
||||
|
||||
{$I systemh.inc}
|
||||
{$I tnyheaph.inc}
|
||||
|
||||
const
|
||||
LineEnding = #13#10;
|
||||
{ LFNSupport is a variable here, defined below!!! }
|
||||
DirectorySeparator = '\';
|
||||
DriveSeparator = ':';
|
||||
ExtensionSeparator = '.';
|
||||
PathSeparator = ';';
|
||||
AllowDirectorySeparators : set of char = ['\','/'];
|
||||
AllowDriveSeparators : set of char = [':'];
|
||||
{ FileNameCaseSensitive and FileNameCasePreserving are defined separately below!!! }
|
||||
maxExitCode = 255;
|
||||
MaxPathLen = 256;
|
||||
|
||||
const
|
||||
{ Default filehandles }
|
||||
UnusedHandle = $ffff;{ instead of -1, as it is a word value}
|
||||
StdInputHandle = 0;
|
||||
StdOutputHandle = 1;
|
||||
StdErrorHandle = 2;
|
||||
|
||||
FileNameCaseSensitive : boolean = false;
|
||||
FileNameCasePreserving: boolean = false;
|
||||
CtrlZMarksEOF: boolean = true; (* #26 is considered as end of file *)
|
||||
|
||||
sLineBreak = LineEnding;
|
||||
DefaultTextLineBreakStyle : TTextLineBreakStyle = tlbsCRLF;
|
||||
|
||||
{ Default memory segments (Tp7 compatibility) }
|
||||
{ seg0040: Word = $0040;
|
||||
segA000: Word = $A000;
|
||||
segB000: Word = $B000;
|
||||
segB800: Word = $B800;}
|
||||
{ The value that needs to be added to the segment to move the pointer by
|
||||
64K bytes (BP7 compatibility) }
|
||||
SelectorInc: Word = $1000;
|
||||
|
||||
var
|
||||
{ Mem[] support }
|
||||
mem : array[0..$7fff-1] of byte absolute $0:$0;
|
||||
memw : array[0..($7fff div sizeof(word))-1] of word absolute $0:$0;
|
||||
meml : array[0..($7fff div sizeof(longint))-1] of longint absolute $0:$0;
|
||||
{ C-compatible arguments and environment }
|
||||
argc:longint; //!! public name 'operatingsystem_parameter_argc';
|
||||
argv:PPchar; //!! public name 'operatingsystem_parameter_argv';
|
||||
envp:PPchar; //!! public name 'operatingsystem_parameter_envp';
|
||||
dos_argv0 : pchar; //!! public name 'dos_argv0';
|
||||
|
||||
{ The DOS Program Segment Prefix segment (TP7 compatibility) }
|
||||
PrefixSeg:Word;public name '__fpc_PrefixSeg';
|
||||
|
||||
{ SaveInt00: FarPointer;public name '__SaveInt00';}
|
||||
|
||||
AllFilesMask: string [3];
|
||||
{$ifndef RTLLITE}
|
||||
{ System info }
|
||||
LFNSupport : boolean;
|
||||
{$ELSE RTLLITE}
|
||||
const
|
||||
LFNSupport = false;
|
||||
{$endif RTLLITE}
|
||||
|
||||
procedure fpc_InitializeUnits;compilerproc;
|
||||
procedure fpc_do_exit;compilerproc;
|
||||
|
||||
procedure InitTask;external 'KERNEL';
|
||||
procedure WaitEvent;external 'KERNEL';
|
||||
procedure InitApp;external 'USER';
|
||||
procedure MessageBox(hWnd: word; lpText, lpCaption: LPCTSTR; uType: word);external 'USER';
|
||||
procedure MessageBox(hWnd: word; lpText, lpCaption: PChar; uType: word);external 'USER';
|
||||
|
||||
implementation
|
||||
|
||||
procedure fpc_InitializeUnits;[public,alias:'FPC_INITIALIZEUNITS'];compilerproc;
|
||||
const
|
||||
fCarry = 1;
|
||||
|
||||
{ used for an offset fixup for accessing the proc parameters in asm routines
|
||||
that use nostackframe. We can't use the parameter name directly, because
|
||||
i8086 doesn't support sp relative addressing. }
|
||||
{$ifdef FPC_X86_CODE_FAR}
|
||||
extra_param_offset = 2;
|
||||
{$else FPC_X86_CODE_FAR}
|
||||
extra_param_offset = 0;
|
||||
{$endif FPC_X86_CODE_FAR}
|
||||
{$if defined(FPC_X86_DATA_FAR) or defined(FPC_X86_DATA_HUGE)}
|
||||
extra_data_offset = 2;
|
||||
{$else}
|
||||
extra_data_offset = 0;
|
||||
{$endif}
|
||||
|
||||
type
|
||||
PFarByte = ^Byte;far;
|
||||
PFarChar = ^Char;far;
|
||||
PFarWord = ^Word;far;
|
||||
|
||||
{$I registers.inc}
|
||||
|
||||
{$I system.inc}
|
||||
|
||||
{$I tinyheap.inc}
|
||||
|
||||
{procedure fpc_InitializeUnits;[public,alias:'FPC_INITIALIZEUNITS'];compilerproc;
|
||||
begin
|
||||
MessageBox(0, 'Hello, world!', 'yo', 0);
|
||||
end;
|
||||
end;}
|
||||
|
||||
procedure fpc_do_exit;[public,alias:'FPC_DO_EXIT'];compilerproc;
|
||||
{procedure fpc_do_exit;[public,alias:'FPC_DO_EXIT'];compilerproc;
|
||||
begin
|
||||
asm
|
||||
mov ax, 4c00h
|
||||
int 21h
|
||||
end;
|
||||
end;}
|
||||
{*****************************************************************************
|
||||
ParamStr/Randomize
|
||||
*****************************************************************************}
|
||||
|
||||
{function GetProgramName: string;
|
||||
var
|
||||
dos_env_seg: Word;
|
||||
ofs: Word;
|
||||
Ch, Ch2: Char;
|
||||
begin
|
||||
if dos_version < $300 then
|
||||
begin
|
||||
GetProgramName := '';
|
||||
exit;
|
||||
end;
|
||||
dos_env_seg := PFarWord(Ptr(PrefixSeg, $2C))^;
|
||||
ofs := 1;
|
||||
repeat
|
||||
Ch := PFarChar(Ptr(dos_env_seg,ofs - 1))^;
|
||||
Ch2 := PFarChar(Ptr(dos_env_seg,ofs))^;
|
||||
if (Ch = #0) and (Ch2 = #0) then
|
||||
begin
|
||||
Inc(ofs, 3);
|
||||
GetProgramName := '';
|
||||
repeat
|
||||
Ch := PFarChar(Ptr(dos_env_seg,ofs))^;
|
||||
if Ch <> #0 then
|
||||
GetProgramName := GetProgramName + Ch;
|
||||
Inc(ofs);
|
||||
if ofs = 0 then
|
||||
begin
|
||||
GetProgramName := '';
|
||||
exit;
|
||||
end;
|
||||
until Ch = #0;
|
||||
exit;
|
||||
end;
|
||||
Inc(ofs);
|
||||
if ofs = 0 then
|
||||
begin
|
||||
GetProgramName := '';
|
||||
exit;
|
||||
end;
|
||||
until false;
|
||||
end;}
|
||||
|
||||
|
||||
{function GetCommandLine: string;
|
||||
var
|
||||
len, I: Integer;
|
||||
begin
|
||||
len := PFarByte(Ptr(PrefixSeg, $80))^;
|
||||
SetLength(GetCommandLine, len);
|
||||
for I := 1 to len do
|
||||
GetCommandLine[I] := PFarChar(Ptr(PrefixSeg, $80 + I))^;
|
||||
end;}
|
||||
|
||||
|
||||
{function GetArg(ArgNo: Integer; out ArgResult: string): Integer;
|
||||
var
|
||||
cmdln: string;
|
||||
I: Integer;
|
||||
InArg: Boolean;
|
||||
begin
|
||||
cmdln := GetCommandLine;
|
||||
ArgResult := '';
|
||||
I := 1;
|
||||
InArg := False;
|
||||
GetArg := 0;
|
||||
for I := 1 to Length(cmdln) do
|
||||
begin
|
||||
if not InArg and (cmdln[I] <> ' ') then
|
||||
begin
|
||||
InArg := True;
|
||||
Inc(GetArg);
|
||||
end;
|
||||
if InArg and (cmdln[I] = ' ') then
|
||||
InArg := False;
|
||||
if InArg and (GetArg = ArgNo) then
|
||||
ArgResult := ArgResult + cmdln[I];
|
||||
end;
|
||||
end;}
|
||||
|
||||
|
||||
function paramcount : longint;
|
||||
{var
|
||||
tmpstr: string;}
|
||||
begin
|
||||
{ paramcount := GetArg(-1, tmpstr);}
|
||||
paramcount:=0;
|
||||
end;
|
||||
|
||||
|
||||
function paramstr(l : longint) : string;
|
||||
begin
|
||||
{ if l = 0 then
|
||||
paramstr := GetProgramName
|
||||
else
|
||||
GetArg(l, paramstr);}
|
||||
paramstr:='';
|
||||
end;
|
||||
|
||||
procedure randomize;
|
||||
{var
|
||||
hl : longint;
|
||||
regs : Registers;}
|
||||
begin
|
||||
{ regs.AH:=$2C;
|
||||
MsDos(regs);
|
||||
hl:=regs.DX;
|
||||
randseed:=hl*$10000+ regs.CX;}
|
||||
end;
|
||||
|
||||
{*****************************************************************************
|
||||
System Dependent Exit code
|
||||
*****************************************************************************}
|
||||
|
||||
procedure system_exit;
|
||||
{var
|
||||
h : byte;}
|
||||
begin
|
||||
(* RestoreInterruptHandlers;
|
||||
for h:=0 to max_files-1 do
|
||||
if openfiles[h] then
|
||||
begin
|
||||
{$ifdef SYSTEMDEBUG}
|
||||
writeln(stderr,'file ',opennames[h],' not closed at exit');
|
||||
{$endif SYSTEMDEBUG}
|
||||
if h>=5 then
|
||||
do_close(h);
|
||||
end;
|
||||
{$ifndef FPC_MM_TINY}
|
||||
if not CheckNullArea then
|
||||
writeln(stderr, 'Nil pointer assignment');
|
||||
{$endif FPC_MM_TINY}*)
|
||||
asm
|
||||
mov al, byte [exitcode]
|
||||
mov ah, 4Ch
|
||||
int 21h
|
||||
end;
|
||||
end;
|
||||
|
||||
{*****************************************************************************
|
||||
SystemUnit Initialization
|
||||
*****************************************************************************}
|
||||
|
||||
procedure SysInitStdIO;
|
||||
begin
|
||||
OpenStdIO(Input,fmInput,StdInputHandle);
|
||||
OpenStdIO(Output,fmOutput,StdOutputHandle);
|
||||
OpenStdIO(ErrOutput,fmOutput,StdErrorHandle);
|
||||
OpenStdIO(StdOut,fmOutput,StdOutputHandle);
|
||||
OpenStdIO(StdErr,fmOutput,StdErrorHandle);
|
||||
end;
|
||||
|
||||
function GetProcessID: SizeUInt;
|
||||
begin
|
||||
GetProcessID := PrefixSeg;
|
||||
end;
|
||||
|
||||
function CheckInitialStkLen(stklen : SizeUInt) : SizeUInt;
|
||||
begin
|
||||
result := stklen;
|
||||
end;
|
||||
|
||||
begin
|
||||
MessageBox(0, 'Hello, world!', 'yo', 0);
|
||||
end.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user