unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
Function MyGetExt: Integer; Assembler;
asm
Mov AX,$3031;
Out $70,AL;
NOP;
IN AL,$71;
XCHG AH,AL;
Out $70,AL;
NOP;
IN AL,$71;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
showmessage(inttostr(MyGetExt))
end;
end.