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unit Unit1;
interface
uses

  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  Spin, StdCtrls, ExtCtrls, Turtle;
type
  TForm1 = class(TForm)
    Turtle1: TTurtle;
    Panel1: TPanel;
    .....
    procedure Button3Click(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }

  end;

var
  Form1: TForm1;
implementation					

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Turtle1:= TTurtle.Create(Form1);					

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unit Unit164;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Turtle, StdCtrls, ExtCtrls;

type
  TForm164 = class(TForm)
    Button1: TButton;
    Panel1: TPanel;
    procedure Button1Click(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
    MyTurtle: TTurtle;
  public
    { Public declarations }
  end;

var
  Form164: TForm164;

implementation

{$R *.dfm}

procedure TForm164.Button1Click(Sender: TObject);
begin
  MyTurtle.FD(20);
end;

procedure TForm164.FormCreate(Sender: TObject);
begin
  MyTurtle := TTurtle.Create(Panel1);
  MyTurtle.Align := alClient;
  MyTurtle.Parent := Panel1;
end;

procedure TForm164.FormDestroy(Sender: TObject);
begin
  MyTurtle.Free;
end;

end.					

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    procedure CS;    { clear screen }
    procedure ST;    { show Turtle }
    procedure HT;    { hide Turtle }
    procedure PD;    { pen down }
    procedure PU;    { pen up }
    procedure FD( Value: real);         { step forward }
    procedure BK( Value: real);         { step backward }
    procedure LT( Value: real);         { left turn }
    procedure RT( Value: real);         { right turn }