  @Test
  public void testCommand_JP_rHL() {

    final Z80State state = new Z80State();

    state.H = 0x12;
    state.L = 0x34;

    final Pair<Z80, Integer> cpu = executeCommand(state, false, 0xE9);

    assertEquals(0x1234, cpu.getLeft().getRegister(Z80.REG_PC));
    assertFlagsNotChanged(state, cpu.getLeft());

    assertEquals(4, cpu.getRight().intValue());
  }