Consider the following FSD:

Which code fragment best matches the FSD?

Question

Consider the following FSD: 
  
 Which code fragment best matches the FSD?

Accepted Answer

always@(posedge clock)  
       if (!reset) state = S0;  
       else state = next_state;  
     always@(*)  
       begin  
        out = 3’b000;  
        case (state)  
           S0 : if (in==1’b0) next_state = S1;  
               else next_state=S2;  
           S1 : begin  
               next_state = S0;  
               out = 3’b001;  
             end  
           S2 : begin  
               next_state = S0;  
               out = 3’b010;  
             end  
           default : next_state = S0;  
        endcase 
       end

Answer

always@(posedge clock)  
       if (!reset) state = S0;  
       else state = next_state;  
    always@(*)  
       begin  
         out = 3’b000;  
         case (state)  
           S0 : if (in==1’b0)  
             begin next_state = S1; out = 3’b001; end  
             else  
             begin next_state=S2; out=3’n010; end  
           S1 : next_state = S0;  
           S2 : next_state = S0;  
           default : next_state = S0;  
         endcase  
       end

Crowdly

Consider the following FSD: Which code fragment best matches the FSD?

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