}
private void run() {
HackVM vm = new HackVM();
// setup loop loop end? copy one
vm.addObserver( this );
VMState result = vm.execute("0^2v+1- 1^1^ 1^1^:0^1-*55*? <1v<2^>2^> 1v1+ 1v1- 8$!", "5, 1024", "1024=5,6,7,8,9");
System.out.println( result.getError() );
System.out.println( result.getMemory() );
}