ANL  (logicalAND, e.g.,ANL PI, A)
 ORL  (logicalOR, e.g.,ORL P2, A)
 XRL  (logicalEXIOR,e.g.,XRL P3, A)
 JBC  (jump if bit = 1 and clear bit, 
       e.g.,JBC P1.1,LABEL)
 CPL  (complementbit, e.g., CPL P3.0)
 INC  (increment,e.g.,INC P2)
 DEC  (decrement,e.g.,DEC P2)
 DJNZ (decrernent and jump if not zero, 
       e.g., DJNZ P3, LABEL)
 MOV  PX.Y,C (movecarry bit to bit Y of Port X)
 CLR  PX.Y    (clear bit Y of Port X)
 SETB PX.Y   (set bit Y of Port X)