function showmap
  fig=figure( 'Name','Timer','Position',[0,0,500,500] ,'NumberTitle','off','visible','off');
  movegui(fig,'center');
  set(fig,'visible','on');
  ttext= uicontrol('Style','edit','Position',[150,250,200,30],'String','Press  "Start"',...
      'KeyPressFcn',@keyPress);

 ii=0;

    function keyPress(x,y)
        set(ttext,'string',num2str(ii));
        ii = ii+1;
    end
end