// TODO: this channel is working, the problem is with the output mixer.
 //       don't know how to mix these channels (up to 8) specially when
 //       game run more than one channel at time.
 public Namcot106SoundChannel(Namcot106 namcot)
 {
     this.namcot = namcot;
 }
 // TODO: this channel should be working, the problem is with the output mixer.
 //       don't know how to mix these channels (up to 8) specially when 
 //       game run more than one channel at time.
 public Namcot106SoundChannel(Namcot106 namcot)
 {
     this.namcot = namcot;
 }