anchor.diff:     FIFOF#(void) mReady <- mkFIFOF;
   
      Reg#(Bool) hirschARunning <- mkReg(False);
  -   Reg#(Bool) hirschBRunning <- mkReg(False);
  +   Reg#(Bool) hirschB0Running <- mkReg(False);
  +   Reg#(Bool) hirschB1Running <- mkReg(False);
   
      MCSAlgorithm hirschA <- mkHirschA(strA.portA, strB.portA, matL.portA);
  -   MCSAlgorithm hirschB <- mkHirschB(strA.portA, strB.portA, matL.portA, 1);
  +   MCSAlgorithm hirschB1 <- mkHirschB(strA.portA, strB.portA, matL.portA, 1);
  +   MCSAlgorithm hirschB0 <- mkHirschB(strA.portA, strB.portA, matL.portA, 0);
      
      // create BRAM Write client for matL
   
  
positive.code: 	       hirschARunning <= True;
  	       end
  	 1: begin
  	       hirschB.setupA(0, aLenReg);
  	       hirschB.setupB(0, bLenReg);
  	       hirschB.fsm.start();
  	       hirschB.setupL(0);
  	       hirschBRunning <= True;
  	       end
  //	 2: hirschC.start();
        endcase
     endmethod
  
  
negative.code:       l2n.start(strPointer, zeroExtend(dest), bram_start_idx, bram_finish_idx);
     endmethod
  
     method Action start(Bit#(32) alg, Bit#(32) dir);
        $display ("start %d", alg);
        case (alg) 
  	 0: begin
  