code: public void setITType(int flag)
  	{
  		on = (flag&0x01)!=0;
  		loop = (flag&0x02)!=0;
  		sustain = (flag&0x04)!=0;
  		carry = (flag&0x08)!=0;
  		filter = (flag&0x80)!=0;
  	}
docs: Sets the boolean values corresponding to the flag value
  IT-Version (why on earth needed this to be swaped?!)
  @since 12.11.2006
  @param flag