if (!_input_enabled)
    exit;
_confirm_buffer--;
_cancel_buffer--;
if (button1_p())
{
    if (_confirm_buffer <= 0)
    {
        reset_buffer();
        confirm();
    }
}
else if (button2_p())
{
    if (_cancel_buffer <= 0)
    {
        reset_buffer();
        cancel();
    }
}
if (_menu_state == UnknownEnum.Value_1)
{
    if (down_p())
    {
        snd_play(snd_menumove);
        _row_index = scr_wrap(_row_index + 1, 0, array_length(_columns[_columns_index]) - 1);
        enable_select();
    }
    else if (up_p())
    {
        snd_play(snd_menumove);
        _row_index = scr_wrap(_row_index - 1, 0, array_length(_columns[_columns_index]) - 1);
        enable_select();
    }
    else if (left_p())
    {
        snd_play(snd_menumove);
        _columns_index = scr_wrap(_columns_index - 1, 0, array_length(_columns) - 1);
        enable_select();
    }
    else if (right_p())
    {
        snd_play(snd_menumove);
        _columns_index = scr_wrap(_columns_index + 1, 0, array_length(_columns) - 1);
        enable_select();
    }
}
else if (_menu_state == UnknownEnum.Value_3)
{
    if (left_p())
    {
        snd_play(snd_menumove);
        _confirm_options_index = scr_wrap(_confirm_options_index - 1, 0, array_length(_confirm_options) - 1);
        enable_select();
    }
    else if (right_p())
    {
        snd_play(snd_menumove);
        _confirm_options_index = scr_wrap(_confirm_options_index + 1, 0, array_length(_confirm_options) - 1);
        enable_select();
    }
}

enum UnknownEnum
{
    Value_1 = 1,
    Value_3 = 3
}