// set IO pins:	 put pins in correct modes in-out-bi  Px1, Px2 B=00 , I= 10 O= 01
	P0M1=0x8a;		// 0.7-0.0	I O B B  I O I O 					
	P0M2=0x45;
	P1M1=0xc3;	 	// 1.7-1.0 	I I B B  O B I I
	P1M2=0x08;
	P3M1=0x00;	  	// 3.1-3.0  B B
	P3M2=0x00;