The following SM chart is to be realized using the two-address microprogramming structure shown in Figure 5-29. SO/ XI Z1 0 X2 X3 0 S3/Z2 0 X2 Si/ S2/Z3 X1 a Q T1 TO CF BF AF CT BT AT 1 22 23 (a) Convert the SM chart to the proper form by adding a minimum number of states to the given diagram. Make a suitable state assignment. (b) Write the microprogram required to implement this SM chart. (c) Draw a block diagram showing how the SM chart can be realized using a ROM, multiplexers, and flip-flops