unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, sChip, Mask;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Label1: TLabel;
    Label2: TLabel;
    Button2: TButton;
    Button3: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    hKey: THandle;
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
     if(hKey = INVALID_HANDLE_VALUE) then
     begin
          hKey := OpensChip($ffff, nil);
          if(hKey = INVALID_HANDLE_VALUE) then
          begin
              Application.MessageBox('No schip find!', 'test', MB_OK);
          end;
     end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
     hKey := INVALID_HANDLE_VALUE;
end;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
	if(hKey <> INVALID_HANDLE_VALUE) then
    begin
    	ClosesChip(hKey);
    end;
end;

//read
procedure TForm1.Button2Click(Sender: TObject);
var
    index, value: WORD;
    I: Integer;
    ReadPassword: DWORD;
    pPass: PChar;
begin
	if(hKey = INVALID_HANDLE_VALUE) then
    begin
        Application.MessageBox('Open schip first!', 'test', MB_OK);
    end
    else
    begin
	    //maybe a try...except clause
		I := StrToInt(Edit1.Text);
	    index := I;

    	ReadPassword := $ffffffff;
	    pPass := @ReadPassword;

		if(ReadsChipMem(hKey, pPass, index, @value) = TRUE) then
	    begin
    	   	Edit2.Text := IntToStr(value);
	    end
    	else
		begin
    	    Application.MessageBox('Read schip error!', 'test', MB_OK);
	    end;
    end;
end;

procedure TForm1.Button3Click(Sender: TObject);
var
    index, value: WORD;
    I: Integer;
    WritePassword: DWORD;
    pPass: PChar;
begin
	if(hKey = INVALID_HANDLE_VALUE) then
    begin
        Application.MessageBox('Open schip first!', 'test', MB_OK);
    end
	else
    begin
	    //maybe a try...except clause
	    I := StrToInt(Edit1.Text);
    	index := I;
	    I := StrToInt(Edit2.Text);
    	value := I;
	    WritePassword := $ffffffff;
    	pPass := @WritePassword;

		if(WritesChipMem(hKey, pPass, index, value) = TRUE) then
    	begin
    	    Application.MessageBox('Write schip ok!', 'test', MB_OK);
	    end
    	else
		begin
    	    Application.MessageBox('Write schip error!', 'test', MB_OK);
	    end;
    end;
end;

end.