da_main.pas

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unit DA_Main;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls, SynEdit, SynEditHighlighter,
  SynHighlighterAsm, ComCtrls;

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    SynEdit1: TSynEdit;
    SynAsmSyn1: TSynAsmSyn;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    ProgressBar1: TProgressBar;
    Label1: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    PEStream: TMemoryStream;
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{$R WindowsXP.res}

uses
  DisAsm;

procedure TForm1.FormCreate(Sender: TObject);
begin
     PEStream := TMemoryStream.Create;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
     FreeAndNil(PEStream);
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
     if OpenDialog1.Execute then
        begin
             PEStream.Clear;
             PEStream.LoadFromFile(OpenDialog1.FileName);
             Button2.Enabled := True;
             Button2.Click;
        end;
end;

procedure TForm1.Button2Click(Sender: TObject);
var
   OpCodeSize: Integer;
   DisAssembler: TDisAsm;
   strData, strDisAsm: String;
begin
     SynEdit1.Lines.Clear;
     Button1.Enabled := False;
     Button2.Enabled := False;
     Button3.Enabled := False;
     SynEdit1.Visible := False;
     Form1.Cursor := crHourGlass;
     ProgressBar1.Position := 0;
     DisAssembler := TDisAsm.Create;
     Repeat
           SetLength(strData, 17);
           PEStream.Read(strData[1], 16);
           strDisAsm := DisAssembler.GetInstruction(PChar(strData), OpCodeSize);
           ProgressBar1.Position := PEStream.Position * 100 div PEStream.Size;
           SynEdit1.Lines.Add(strDisAsm);
           Application.ProcessMessages;
     Until PEStream.Position >= PEStream.Size;
     PEStream.Position := 0;
     ProgressBar1.Position := 0;
     Form1.Cursor := crDefault;
     SynEdit1.Visible := True;
     Button1.Enabled := True;
     Button2.Enabled := True;
     Button3.Enabled := True;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
     if SaveDialog1.Execute then
        SynEdit1.Lines.SaveToFile(SaveDialog1.FileName);
end;

end.