anchor.diff:        method rxi_data_n data_n();
         method rxi_frame_p frame_p();
         method rxi_frame_n frame_n();
  -      method wr_wait_p(rxi_wr_wait_p) enable((*inhigh*) EN_rxi_wr_wait_p);
  -      method wr_wait_n(rxi_wr_wait_n) enable((*inhigh*) EN_rxi_wr_wait_n);
  -      method rd_wait_p(rxi_rd_wait_p) enable((*inhigh*) EN_rxi_rd_wait_p);
  -      method rd_wait_n(rxi_rd_wait_n) enable((*inhigh*) EN_rxi_rd_wait_n);
  +   endinterface
  + 
  +   interface Par_rxo;
  +      method wr_wait_p(rxo_wr_wait_p) enable((*inhigh*) EN_rxo_wr_wait_p);
  +      method wr_wait_n(rxo_wr_wait_n) enable((*inhigh*) EN_rxo_wr_wait_n);
  +      method rd_wait_p(rxo_rd_wait_p) enable((*inhigh*) EN_rxo_rd_wait_p);
  +      method rd_wait_n(rxo_rd_wait_n) enable((*inhigh*) EN_rxo_rd_wait_n);
         method cclk_p(rxi_cclk_p) enable((*inhigh*) EN_rxi_cclk_p);
         method cclk_n(rxi_cclk_n) enable((*inhigh*) EN_rxi_cclk_p);
      endinterface
  
positive.code:    method Action data_n(Bit#(8) v);
     method Action frame_p(Bit#(1) v);
     method Action frame_n(Bit#(1) v);
     method Bit#(1) wr_wait_p();
     method Bit#(1) wr_wait_n();
     method Bit#(1) rd_wait_p();
  
negative.code:    Reset reset_chip, Reset reset_fpga)(PParallellaLib);
     default_clock clk();
     default_reset rst();
     input_clock maxiclk(emaxi_aclk) = maxiclk;  // assigns the verilog emaxi_aclk
     input_clock saxiclk(esaxi_aclk) = saxiclk;  // assigns the verilog esaxi_aclk
     input_reset maxiclk_reset() = maxiclk_reset; /* from clock*/
     input_reset saxiclk_reset() = saxiclk_reset; /* from clock*/
     
     interface Par_misc;
     method cactive(cactive);
     method csysack(csysack);
     method reset_chip(reset_chip) enable((*inhigh*) EN_reset_chip);
     method reset_fpga(reset_fpga) enable((*inhigh*) EN_reset_fpga);
     endinterface
     
     interface Par_txo;
        method data_p(txo_data_p) enable((*inhigh*) EN_txo_data_p);
        method data_n(txo_data_n) enable((*inhigh*) EN_txo_data_n);
        method frame_p(txo_frame_p) enable((*inhigh*) EN_txo_frame_p);
        method frame_n(txo_frame_n) enable((*inhigh*) EN_txo_frame_n);
     endinterface
  
     interface Par_txi;
        method txo_wr_wait_p wr_wait_p();
        method txo_wr_wait_n wr_wait_n();
        method txo_rd_wait_p rd_wait_p();
  