Как присвоить значение полям записи с помощью ассемблера?

unit Main;
 
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}
 
procedure Foo(var I: integer);
begin
  { some code }
  asm
    mov eax, I
    inc dword ptr [eax]
  end;
  { i has now been incremented by one }
  { some more code }
end;
 
type
  TDumbRec = record
    i: integer;
    c: char;
  end;
 
procedure ManipulateRec(var DR: TDumbRec);
asm
  mov [eax].TDumbRec.i, 24
  mov [eax].TDumbRec.c, 's'
end;
 
procedure TForm1.Button1Click(Sender: TObject);
var
  R: TDumbRec;
begin
  ManipulateRec(R);
  ShowMessage(IntToStr(R.i));
  Caption := Caption + R.c;
end;
 
end.

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