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