! loop setup 

		I0=_a; ! I0 points to a[0]

		M0=1; ! set up increment

		I8=b; ! I8 points to b[0]

		M8=1; ! set up postincrement mode

! loop body 

		LCNTR=N, DO loopend UNTIL LCE;

		! use postincrement mode  

		R1=DM(I0,M0), R2=PM(I8,M8);

loopend:		R8=R1*R2, R12=R12+R9; ! multiply and accumulate