Developing.ru

Код: Выделить всё

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  stop : boolean;
implementation

uses Unit2;

{$R *.dfm}

function GetCPUSpeed: Double;
const
DelayTime = 500;
var
TimerHi, TimerLo: DWORD;
PriorityClass, Priority: Integer;
begin
PriorityClass := GetPriorityClass(GetCurrentProcess);
Priority := GetThreadPriority(GetCurrentThread);
SetPriorityClass(GetCurrentProcess, REALTIME_PRIORITY_CLASS);
SetThreadPriority(GetCurrentThread, THREAD_PRIORITY_TIME_CRITICAL);
Sleep(10);
asm
dw 310Fh
mov TimerLo, eax
mov TimerHi, edx
end;
Sleep(DelayTime);
asm
dw 310Fh
sub eax, TimerLo
sbb edx, TimerHi
mov TimerLo, eax
mov TimerHi, edx
end;
SetThreadPriority(GetCurrentThread, Priority);
SetPriorityClass(GetCurrentProcess, PriorityClass);
Result := TimerLo/(1000.0 * DelayTime);
end;

procedure TForm1.Button1Click(Sender: TObject);

begin
Button1.Enabled := False;
Button2.Enabled := True;
Button2.Default:=true;
label1.Visible:=true;
Stop := False;
while not Stop do
begin
Label1.Caption := 'Скорость='+FloatToStr(GetCPUSpeed)+' MHz';
Application.ProcessMessages;
end;
Button1.Enabled := True;
Button2.Enabled := False;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
Stop:=true;
end;


end.