Chapter 6 Applied Instructions Example 2 When M0 switches from OFF to ON, the instruction exchanges the data in D100 with the data in D200. D 101 D 20 0 D 201 2 0 4 0 8 40 20 9 D101 D200 D201 D 10 0 Be f o re th e inst ruct io n is e xe cut e d : Af te r t h e in st ruct io n is ex ecu t ed : 9 8 D100 6_ 6-137