if (debug)
	public synchronized void setSerialPortParams( int b, int d, int s,		int p )		throws UnsupportedCommOperationException	{		if (debug)			z.reportln( "RXTXPort:setSerialPortParams(" +				b + " " + d + " " + s + " " + p + ") called");		if ( nativeSetSerialPortParams( b, d, s, p ) )			throw new UnsupportedCommOperationException(				"Invalid Parameter" );		speed = b;		if( s== STOPBITS_1_5 ) dataBits = DATABITS_5;		else dataBits = d;		stopBits = s;		parity = p;			z.reportln( "RXTXPort:setSerialPortParams(" +				b + " " + d + " " + s + " " + p +				") returning");	}