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//********************************************************************
//*** assignments for 2nd channel
//********************************************************************

 assign      aux_jtag_clk               = jtag_clk;
 assign      aux_update_dr_clk_o        = update_dr_clk_o;
 assign      aux_shiftcapture_dr_clk_o  = shiftcapture_dr_clk_o;
 assign      aux_test_logic_reset_o     = test_logic_reset_o;
 assign      aux_tdi_o                  = tdi_o;
 assign      aux_capture_dr_o           = capture_dr_o;
 assign      aux_shift_dr_o             = shift_dr_o;
 assign      aux_update_dr_o            = update_dr_o;
 assign      chip_id_value              = CHIP_ID_VAL ;
 assign      shiftcapture_dr_o          =  shift_dr_o || capture_dr_o;   
 assign      tdi_o                      =  tdi_pad_in;   

// Instruction Decoder
 assign      extest          = ( instruction == EXTEST );
 assign      sample          = ( instruction == SAMPLE );
 assign      clamp           = ( instruction == CLAMP );
 assign      chip_id_select  = ( instruction == CHIP_ID_ACCESS );
  
// bypass anytime we are not doing a defined instructions, or if in clamp or bypass mode


 assign      shiftcapture_dr_clk_o     =  jtag_shift_clk;
 assign      select_o                  = ( instruction == RPC_ADD );
 assign      aux_select_o              = ( instruction == RPC_DATA );
 assign      bsr_select_o              = ( instruction == EXTEST ) || ( instruction == SAMPLE )       ;

//****************************************************************
//*** Choose what goes out on the TDO pin
//****************************************************************
   
always@(*)
  begin
     if(chip_id_select)       next_tdo =  chip_id_tdo;
     else
     if(select_o)             next_tdo =  tdo_i;
     else
     if(aux_select_o)         next_tdo =  aux_tdo_i;
     else                     next_tdo =  1'b0;
  end