anchor.diff:     // INTERFACE
   
      method Action start(Addr initial_pc) if (!cpu_enabled);
  -      pc[3]       <= initial_pc;
  +      pc          <= initial_pc;
         pcEpoch     <= initial_pc;
         cpu_enabled <= True;
      endmethod
  
positive.code:          end
           default: begin
              $fdisplay(stderr, "Unknown type %d", csrCmd);
           end
        endcase
     endrule
  
negative.code:       let xPC = resp.pc;
        let instr = resp.instr;
  
        if (cfg_verbose > 1) $display("[%7d] rl_decode: PC = 0x%08h, instr = %h", csr_cycle, xPC, instr);
        Decoded_Instr decoded = fv_decode(xPC, instr, rf_GPRs);
        fifo_f2e.enq( decoded );
     end
     endrule
  
  