program dontpanic;
  uses {$U /ccutil/cclib} ccdefn,cccrtio;
  var i,j,k: integer;
  begin
  cccrtioinit;  k:=100;
  CrtAction(EraseALL);  CrtAction(CursorOff);

  gotoxy(5,2); write('Press any key to stop.');

  gotoxy(15,12);
  write('*******************************');
  for i:=13 to 25 do
      begin
      gotoxy(15,i); write('*');
      gotoxy(45,i); write('*');
      end;
  gotoxy(15,26);
  write('*******************************');

  repeat
      begin
      gotoxy(24,19); write('             ');
      for i:=1 to 5000 do k := k*k DIV k;
      gotoxy(24,19); write('DON''T PANIC!!');
      for i:=1 to 5000 do k := k*k DIV k;
      end;
      until( unitbusy(2) );

  gotoxy(5,2); write('                      ');
  gotoxy(0,0);
  CrtAction(CursorOn);
  end.