.title nulpad ; ; call nulpad( ip, nchrs ) ; nulpad:: tst (r5)+ ; discard nargs mov (r5)+,r0 ; r0 => array mov @(r5)+,r1 ; r1 = nchrs ble 20$ 10$: clrb (r0)+ ; clear byte sob r1,10$ 20$: return .end