void Say_Sfx_Command(string[] param)
    {
        string name;
        int    interval;

        if (param.Length > 1)
        {
            name     = param[0];
            interval = int.Parse(param[1]);
            screen.SetDialogSfx(name);
            screen.SetSfxInterval(interval);
            return;
        }
        else
        {
            bool result = int.TryParse(param[0], out interval);
            if (result)
            {
                screen.SetSfxInterval(interval);
                return;
            }
            else
            {
                name = param[0];
                screen.SetDialogSfx(name);
                return;
            }
        }
    }