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Lazarus Inline Assembler/vi

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1 ví dụ đơn giản về sử dụng inline assembler trong Lazarus:

pascal
unit unt_asm;
{$mode objfpc}{$H+}
interface
uses
  Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, StdCtrls;
type
  { TForm1 }
  TForm1 = class(TForm)
    btnGo: TButton;
    edtInput: TEdit;
    edtOutput: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    procedure btnGoClick(Sender: TObject);
  private
    { private declarations }
  public
    { public declarations }
  end; 
var
  Form1: TForm1; 
implementation
{ TForm1 }

procedure TForm1.btnGoClick(Sender: TObject);
var
  num, answer : integer;
begin
  num := StrToInt(edtInput.Text);
  //This is required with Lazarus on x86:
  {$ASMMODE intel}
  asm//cộng thêm 110 (hệ cơ số 2)//trừ đi 2 (hệ cơ số 10)
    MOV EAX, num
    ADD EAX, 110B //cộng thêm 110 (hệ cơ số 2)
    SUB EAX, 2    //trừ đi 2 (hệ cơ số 10)
    MOV answer, EAX
  END;
  edtOutput.Text := IntToStr(answer);
end;

initialization
  {$I unt_asm.lrs}
end.

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From the Free Pascal wiki, page "Lazarus Inline Assembler/vi", as it stood on 2020-02-18 after a change by Trev, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.

Revision 1, last changed by WikiArchive .

Edited on wiki.freepascal.org by 3 people, 2012–2020

From the official wiki's backup of 26 May 2024: who edited this page there, and when. Edits made there after that date were not recorded, and the earlier versions are not shown here; the main page says why.

WhenWhoWhat changed
AkarinCreated page
Vincent
VincentReverted edits by Vincent (talk) to last revision by Akarin (minor)
VincentXem thêm
TrevFixed syntax highlighting; deleted category included in page template (minor)

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