anchor.diff:     endrule
   
      function PhysMemMaster#(PhysAddrWidth,dataWidth) mkm(Integer i) = (interface PhysMemMaster#(PhysAddrWidth,dataWidth);
  -								 interface PhysMemReadClient read_client = null_mem_read_client;
  +								 interface PhysMemReadClient read_client = null_phys_mem_read_client;
   								 interface PhysMemWriteClient write_client = writers[i].write_client;
   							      endinterface);
      
  
positive.code:    interface masters = map(mkm,genVector);
  endmodule
  
  
negative.code:            endinterface);
  endfunction
  
  function  PhysMemWriteClient#(addrWidth, busWidth) null_phys_mem_write_client();
     return (interface PhysMemWriteClient;
                interface Get writeReq = null_get;
                interface Get writeData = null_get;
  