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(****************************************************************
 ****************************************************************
 ***                                                          ***
 ***        Copyright (c) 2001 by -=Assarbad [GoP]=-          ***
 ***       ____________                 ___________           ***
 ***      /\   ________\               /\   _____  \          ***
 ***     /  \  \       /    __________/  \  \    \  \         ***
 ***     \   \  \   __/___ /\   _____  \  \  \____\  \        ***
 ***      \   \  \ /\___  \  \  \    \  \  \   _______\       ***
 ***       \   \  \ /   \  \  \  \    \  \  \  \      /       ***
 ***        \   \  \_____\  \  \  \____\  \  \  \____/        ***
 ***         \   \___________\  \__________\  \__\            ***
 ***          \  /           /  /          /  /  /            ***
 ***           \/___________/ \/__________/ \/__/             ***
 ***                                                          ***
 ***  May the source be with you, stranger ... :-)            ***
 ***                                                          ***
 ***  Greets from -=Assarbad [GoP]=- ...                      ***
 ***  Special greets go 2 Nico, Casper, SA, Pizza, Navarion...***
 ***[for questions/proposals drop a mail to Assarbad@ePost.de]***
 *****************************************ASCII by Assa [GoP]****
 ****************************************************************)
//include file for console management
var
  SoundFrequency: Integer;

function textattribute: word;
var
  csbi: _CONSOLE_SCREEN_BUFFER_INFO;
begin
  if getconsolescreenbufferinfo(getstdhandle(STD_OUTPUT_HANDLE), csbi) then
    result := csbi.wAttributes else
    result := 0;
end;

procedure settextattribute(attr: word);
begin
  setconsoletextattribute(getstdhandle(STD_OUTPUT_HANDLE), attr);
end;

procedure ClrEol;
var
  tC: tCoord;
  Len, Nw: Cardinal;
  Cbi: TConsoleScreenBufferInfo;
begin
  GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), cbi);
  len := cbi.dwsize.x - cbi.dwcursorposition.x;
  tc.x := cbi.dwcursorposition.x;
  tc.y := cbi.dwcursorposition.y;
  FillConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), textattribute, len, tc, nw);
  FillConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), #32, len, tc, nw);
end;

procedure ClrScr;
var
  tc: tcoord;
  nw: Cardinal;
  cbi: TConsoleScreenBufferInfo;
begin
  getConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), cbi);
  tc.x := 0;
  tc.y := 0;
  FillConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), textattribute, cbi.dwsize.x * cbi.dwsize.y, tc, nw);
  FillConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), #32, cbi.dwsize.x * cbi.dwsize.y, tc, nw);
  setConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), tc);
end;

function WhereX: integer;
var
  cbi: TConsoleScreenBufferInfo;
begin
  getConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), cbi);
  result := tcoord(cbi.dwCursorPosition).x + 1
end;

function WhereY: integer;
var
  cbi: TConsoleScreenBufferInfo;
begin
  getConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), cbi);
  result := tcoord(cbi.dwCursorPosition).y + 1
end;

procedure GotoXY(const x, y: integer);
var
  coord: tcoord;
begin
  coord.x := x - 1;
  coord.y := y - 1;
  setConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
end;

procedure FlushInputBuffer;
begin
  FlushConsoleInputBuffer(GetStdHandle(STD_INPUT_HANDLE))
end;

function keypressed: boolean;
var
  NumberOfEvents: Cardinal;
begin
  GetNumberOfConsoleInputEvents(GetStdHandle(STD_INPUT_HANDLE), NumberOfEvents);
  result := NumberOfEvents > 0;
end;

function ReadKey: Char;
var
  NumRead: Cardinal;
  InputRec: TInputRecord;
begin
  while ((not ReadConsoleInput(GetStdHandle(STD_INPUT_HANDLE), InputRec, 1, NumRead)) or (InputRec.EventType <> KEY_EVENT)) do ;
  Result := InputRec.Event.KeyEvent.AsciiChar;
end;

procedure Sound(Freq, duration: Cardinal);
begin
  soundfrequency := freq;
  windows.beep(Freq, duration);
end;

procedure NoSound;
begin
  windows.beep(SoundFrequency, 0);
end;

procedure ConsoleEnd;
begin
  if isconsole then begin
    if wherex > 1 then writeln;
    settextattribute(FOREGROUND_GREEN or FOREGROUND_INTENSITY);
    setfocus(GetCurrentProcess);
    write('Press any key to continue.');
    FlushInputBuffer;
    ReadKey;
    FlushInputBuffer;
  end;
end;