code: protected void doChannelVolumeSlideEffekt(ChannelMemory aktMemo)
  	{
  		int x = aktMemo.channelVolumSlideValue>>4;
  		int y = aktMemo.channelVolumSlideValue&0xF;
  		if (x!=0)
  		{
  			if (x==0xF && y!=0)
  				aktMemo.channelVolume -= y;
  			else
  				aktMemo.channelVolume += x;
  		}
  		else
  		if (y!=0)
  		{
  			if (x!=0 && y==0xF)
  				aktMemo.channelVolume += x;
  			else
  				aktMemo.channelVolume -= y;
  		}
  		
  		if (aktMemo.channelVolume>64) aktMemo.channelVolume = 64;
  		else
  		if (aktMemo.channelVolume<0) aktMemo.channelVolume = 0;
  	}
docs: Same as the volumeSlide, but affects the channel volume
  @since 21.06.2006
  @param aktMemo