anchor.diff:  
   interface RingRequest;
      method Action set(Bit#(1) cmd, Bit#(3) regist, Bit#(64) addr);
  +   method Action setCmdLast(Bit#(64) addr);
  +   method Action setCmdFirst(Bit#(64) addr);
  +   method Action setStatusLast(Bit#(64) addr);
  +   method Action setStatusFirst(Bit#(64) addr);
      method Action get(Bit#(1) cmd, Bit#(3) regist);
      method Action hwenable(Bit#(1) en);
      method Action doCommandIndirect(Bit#(64) pointer, Bit#(64) addr);
  
positive.code: 	 indication.setResult(_cmd, regist, addr);
        endmethod
     
        method Action get(Bit#(1) _cmd, Bit#(3) regist);
  	 if (_cmd == 0)
  	    indication.getResult(0, regist, 
  
negative.code: 	       zeroExtend(statusRing.configifc.get(regist)));
        endmethod
  
  
        method Action hwenable(Bit#(1) en);
  	 $display ("hwenable set to %h", en);
  	 hwenabled <= en == 1;
  