   const unsigned long mode_button_settime_ms = 5000;
   const unsigned long mode_button_poweroff_ms = 7000;
   enum { INIT, PRE_GAME, IN_PROGRESS, PAUSED, SET_TIME, SET_TIME_CLOCK_1, SET_TIME_CLOCK_2 } game_state;
-  bool mode_button_last_pressed_state;
   unsigned long blink_start_ms;
 public:
   Player *players[NUM_PLAYERS];
   PollButton *mode_button;
   static int active_player;
   unsigned clock_being_set;
-  unsigned long mode_button_previous_hold_time_ms;
   unsigned long mode_button_last_pressed_at_ms;
   volatile static int interrupt_fired;
 

    ButtonState *state = mode_button->poll();
    
    unsigned long press_duration_ms = state->press_duration_ms; 
    bool button_pressed = state->pressed;
    bool just_released = state->just_released;
//    serprintf("bp: %d jr: %d dms: %lu gs: %d\r\n", button_press, just_released, press_duration_ms, game_state);
    
    switch (game_state) {
      case PRE_GAME:

        break;
      case SET_TIME_CLOCK_1:
      case SET_TIME_CLOCK_2:
        if (press_duration_ms > 0 && new_button_press) {
          set_time_next_step();
        }
        break;
