anchor.diff:  
   module mkParallellaLib#(Clock axi_clock, Reset axi_reset)(ParallellaLib);
   
  -   PParallellaLIB foo <- mkPParallellaLIB( 
  +   ELink foo <- mkELink( 
         axi_clock,  axi_clock, 
         axi_reset, axi_reset,
         axi_reset, axi_reset,
  
positive.code: import ConnectableWithTrace::*;
  import Bscan::*;
  import Vector::*;
  import PParallellaLIB::*;
  import Portal::*;
  import AxiMasterSlave::*;
  import AxiDma::*;
  
negative.code:     interface maxi = vtopm_axi_gp;
      interface saxi = vtops_axi_hp;
      interface  ParallellaPins pins;
       interface  tx = foo.tx;
        interface  rx = foo.rx;
     endinterface
     interface  misc = foo.misc;
        
  