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//+FHDR------------------------------------------------------------------------
//Copyright (c) 2013 Latin Group American Integhrated Circuit, Inc. All rights reserved
//GLADIC Open Source RTL
//-----------------------------------------------------------------------------
//FILE NAME      :
//DEPARTMENT     : IC Design / Verification
//AUTHOR         : Felipe Fernandes da Costa
//AUTHOR’S EMAIL :
//-----------------------------------------------------------------------------
//RELEASE HISTORY
//VERSION DATE AUTHOR DESCRIPTION
//1.0 YYYY-MM-DD name
//-----------------------------------------------------------------------------
//KEYWORDS : General file searching keywords, leave blank if none.
//-----------------------------------------------------------------------------
//PURPOSE  : ECSS_E_ST_50_12C_31_july_2008
//-----------------------------------------------------------------------------
//PARAMETERS
//PARAM NAME            RANGE   : DESCRIPTION : DEFAULT : UNITS
//e.g.DATA_WIDTH        [32,16] : width of the DATA : 32:
//-----------------------------------------------------------------------------
//REUSE ISSUES
//Reset Strategy        :
//Clock Domains         :
//Critical Timing       :
//Test Features         :
//Asynchronous I/F      :
//Scan Methodology      :
//Instantiations        :
//Synthesizable (y/n)   :
//Other                 :
//-FHDR------------------------------------------------------------------------
 
`timescale 1ns/1ns
 
module TX_SPW (
                input pclk_tx,
                //
                input [8:0] data_tx_i,
                input txwrite_tx,
                //
                input [7:0] timecode_tx_i,
                input tickin_tx,
                //
                input enable_tx,
                input send_null_tx,
                input send_fct_tx,
 
                //
                input gotfct_tx,
                input send_fct_now,
                //
                output reg tx_dout_e,
                output reg tx_sout_e,
                //
                output  reg ready_tx_data,
                output  reg ready_tx_timecode
 
                );
 
localparam [6:0] tx_spw_start              = 7'b0000000,
                 tx_spw_null               = 7'b0000001,
                 tx_spw_fct                = 7'b0000010,
                 tx_spw_null_c             = 7'b0000100,
                 tx_spw_fct_c              = 7'b0001000,
                 tx_spw_data_c             = 7'b0010000,
                 tx_spw_data_c_0           = 7'b0100000,
                 tx_spw_time_code_c        = 7'b1000000;
 
localparam [5:0] NULL     = 6'b000001,
                 FCT      = 6'b000010,
                 EOP      = 6'b000100,
                 EEP      = 6'b001000,
                 DATA     = 6'b010000,
                 TIMEC    = 6'b100000;
 
 
localparam [7:0] null_s = 8'b01110100;
localparam [2:0] fct_s  = 3'b100;
localparam [3:0] eop_s  = 4'b0101;
localparam [3:0] eep_s  = 4'b0110;
localparam [13:0] timecode_ss    = 14'b01110000000000;
 
 
 
        reg [6:0] state_tx;
        reg [6:0] next_state_tx;
 
        reg  [2:0] state_fct_send;
        reg  [2:0] next_state_fct_send;
 
        reg  [2:0] state_fct_receive;
        reg  [2:0] next_state_fct_receive;
 
        reg  [2:0] state_data_fifo;
        reg  [2:0] next_state_data_fifo;
 
        reg [13:0] timecode_s;
 
        reg [5:0]  last_type;
        reg [8:0]  txdata_flagctrl_tx_last;
        reg [8:0]  tx_data_in;
        reg [8:0]  tx_data_in_0;
        reg process_data;
        reg process_data_0;
        reg last_process_data;
 
        reg [7:0]  last_timein_control_flag_tx;
        reg [7:0]  tx_tcode_in;
        reg tcode_rdy_trnsp;
 
        reg [2:0] fct_send;
        reg [2:0] fct_flag;
 
        reg [5:0] fct_counter_receive;
 
        reg block_decrement;
        reg char_sent;
 
        reg fct_sent;
 
        reg last_tx_dout;
        reg last_tx_sout;
 
        reg tx_dout;
        reg tx_sout;
 
        reg tx_dout_null;
        reg tx_dout_fct;
        reg tx_dout_timecode;
        reg tx_dout_data;
 
        reg [3:0] global_counter_transfer;
 
 
 
always@(posedge pclk_tx or negedge enable_tx)
begin
        if(!enable_tx)
        begin
                tx_dout <= 1'b0;
        end
        else
        begin
                case(state_tx)
                tx_spw_start:
                begin
                        if(send_null_tx && enable_tx)
                        begin
                                tx_dout <= !(null_s[6]^null_s[0]^null_s[1]);
                        end
                        else
                        begin
                                tx_dout <= 1'b0;
                        end
                end
                tx_spw_null,tx_spw_null_c:
                begin
                         if(last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(null_s[6]^null_s[0]^null_s[1]);
                         end
                         else if(last_type == FCT  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(null_s[6]^fct_s[0]^fct_s[1]);
                         end
                         else if(last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(null_s[6]^eop_s[0]^eop_s[1]);
                         end
                         else if(last_type == EEP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(null_s[6]^eep_s[0]^eep_s[1]);
                         end
                         else if(last_type == DATA  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <=  !(null_s[6]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <=  !(null_s[6]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= null_s[6];
                         end
                         else if(global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= null_s[5];
                         end
                         else if(global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= null_s[4];
                         end
                         else if(global_counter_transfer[3:0] == 4'd4)
                         begin
                                tx_dout <= null_s[3];
                         end
                         else if(global_counter_transfer[3:0] == 4'd5)
                         begin
                                tx_dout <= null_s[2];
                         end
                         else if(global_counter_transfer[3:0] == 4'd6)
                         begin
                                tx_dout <= null_s[1];
                         end
                         else if(global_counter_transfer[3:0] == 4'd7)
                         begin
                                tx_dout <= null_s[0];
                         end
                end
                tx_spw_fct,tx_spw_fct_c:
                begin
                         if(last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(fct_s[2]^null_s[0]^null_s[1]);
                         end
                         else if(last_type == FCT  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(fct_s[2]^fct_s[0]^fct_s[1]);
                         end
                         else if(last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(fct_s[2]^eop_s[0]^eop_s[1]);
                         end
                         else if(last_type == EEP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(fct_s[2]^eep_s[0]^eep_s[1]);
                         end
                         else if (last_type == DATA && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(fct_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(fct_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= fct_s[2];
                         end
                         else if(global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= fct_s[1];
                         end
                         else if(global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= fct_s[0];
                         end
                end
                tx_spw_data_c:
                begin
                        if(!tx_data_in[8] && last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in[8]^null_s[0]^null_s[1]);
                         end
                         else if(!tx_data_in[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in[8]^fct_s[0]^fct_s[1]);
                         end
                         else if(!tx_data_in[8] && last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in[8]^eop_s[0]^eop_s[1]);
                         end
                         else if(!tx_data_in[8] && last_type == EEP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in[8]^eep_s[0]^eep_s[1]);
                         end
                         else if(!tx_data_in[8] && last_type == DATA  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in[8]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(!tx_data_in[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in[8]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(tx_data_in[8]  && tx_data_in[1:0] == 2'b00 && last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^null_s[0]^null_s[1]);
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == FCT   && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^fct_s[0]^fct_s[1]);
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^eop_s[0]^eop_s[1]);
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EEP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^eep_s[0]^eep_s[1]);
                         end
                         else if(tx_data_in[8]  && tx_data_in[1:0] == 2'b00 && last_type == DATA  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(tx_data_in[8]  && tx_data_in[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^null_s[0]^null_s[1]);
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == FCT  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^fct_s[0]^fct_s[1]);
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^eop_s[0]^eop_s[1]);
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^eep_s[0]^eep_s[1]);
                         end
                         else if(tx_data_in[8]  && tx_data_in[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(tx_data_in[8]  &&  tx_data_in[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(!tx_data_in[8] &&  global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= tx_data_in[8];
                         end
                         else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= tx_data_in[0];
                         end
                         else if(!tx_data_in[8] &&  global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= tx_data_in[1];
                         end
                         else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd4)
                         begin
                                tx_dout <= tx_data_in[2];
                         end
                         else if(!tx_data_in[8]  && global_counter_transfer[3:0] == 4'd5)
                         begin
                                tx_dout <= tx_data_in[3];
                         end
                         else if(!tx_data_in[8]  && global_counter_transfer[3:0] == 4'd6)
                         begin
                                tx_dout <= tx_data_in[4];
                         end
                         else if(!tx_data_in[8]  && global_counter_transfer[3:0] == 4'd7)
                         begin
                                tx_dout <= tx_data_in[5];
                         end
                         else if(!tx_data_in[8] &&  global_counter_transfer[3:0] == 4'd8)
                         begin
                                tx_dout <= tx_data_in[6];
                         end
                         else if(!tx_data_in[8] &&  global_counter_transfer[3:0] == 4'd9)
                         begin
                                tx_dout <= tx_data_in[7];
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= eep_s[2];
                         end
                         else if( tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= eep_s[1];
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= eep_s[0];
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= eop_s[2];
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= eop_s[1];
                         end
                         else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= eop_s[0];
                         end
                end
                tx_spw_data_c_0:
                begin
                        if(!tx_data_in_0[8] && last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in_0[8]^null_s[0]^null_s[1]);
                         end
                         else if(!tx_data_in_0[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in_0[8]^fct_s[0]^fct_s[1]);
                         end
                         else if(!tx_data_in_0[8] && last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in_0[8]^eop_s[0]^eop_s[1]);
                         end
                         else if(!tx_data_in_0[8] && last_type == EEP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in_0[8]^eep_s[0]^eep_s[1]);
                         end
                         else if(!tx_data_in_0[8] && last_type == DATA  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in_0[8]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(!tx_data_in_0[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(tx_data_in_0[8]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(tx_data_in_0[8]  && tx_data_in_0[1:0] == 2'b00 && last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^null_s[0]^null_s[1]);
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == FCT   && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^fct_s[0]^fct_s[1]);
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^eop_s[0]^eop_s[1]);
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == EEP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^eep_s[0]^eep_s[1]);
                         end
                         else if(tx_data_in_0[8]  && tx_data_in_0[1:0] == 2'b00 && last_type == DATA  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(tx_data_in_0[8]  && tx_data_in_0[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eop_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^null_s[0]^null_s[1]);
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == FCT  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^fct_s[0]^fct_s[1]);
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == EOP  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^eop_s[0]^eop_s[1]);
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^eep_s[0]^eep_s[1]);
                         end
                         else if(tx_data_in_0[8]  && tx_data_in_0[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if(tx_data_in_0[8]  &&  tx_data_in_0[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(eep_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if(!tx_data_in_0[8] &&  global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= tx_data_in_0[8];
                         end
                         else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= tx_data_in_0[0];
                         end
                         else if(!tx_data_in_0[8] &&  global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= tx_data_in_0[1];
                         end
                         else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd4)
                         begin
                                tx_dout <= tx_data_in_0[2];
                         end
                         else if(!tx_data_in_0[8]  && global_counter_transfer[3:0] == 4'd5)
                         begin
                                tx_dout <= tx_data_in_0[3];
                         end
                         else if(!tx_data_in_0[8]  && global_counter_transfer[3:0] == 4'd6)
                         begin
                                tx_dout <= tx_data_in_0[4];
                         end
                         else if(!tx_data_in_0[8]  && global_counter_transfer[3:0] == 4'd7)
                         begin
                                tx_dout <= tx_data_in_0[5];
                         end
                         else if(!tx_data_in_0[8] &&  global_counter_transfer[3:0] == 4'd8)
                         begin
                                tx_dout <= tx_data_in_0[6];
                         end
                         else if(!tx_data_in_0[8] &&  global_counter_transfer[3:0] == 4'd9)
                         begin
                                tx_dout <= tx_data_in_0[7];
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= eep_s[2];
                         end
                         else if( tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= eep_s[1];
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= eep_s[0];
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= eop_s[2];
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= eop_s[1];
                         end
                         else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= eop_s[0];
                         end
                end
                tx_spw_time_code_c:
                begin
                         if(last_type == NULL  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(timecode_s[12]^null_s[0]^null_s[1]);
                         end
                         else if(last_type == FCT   && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(timecode_s[12]^fct_s[0]^fct_s[1]);
                         end
                         else if (last_type == EOP   && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(timecode_s[12]^eop_s[0]^eop_s[1]);
                         end
                         else if( last_type == EEP   && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(timecode_s[12]^eep_s[0]^eep_s[1]);
                         end
                         else if( last_type == DATA  && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(timecode_s[12]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
                         end
                         else if( last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
                         begin
                                tx_dout <= !(timecode_s[12]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
                         end
                         else if( global_counter_transfer[3:0] == 4'd1)
                         begin
                                tx_dout <= timecode_s[12];
                         end
                         else if( global_counter_transfer[3:0] == 4'd2)
                         begin
                                tx_dout <= timecode_s[11];
                         end
                         else if( global_counter_transfer[3:0] == 4'd3)
                         begin
                                tx_dout <= timecode_s[10];
                         end
                         else if( global_counter_transfer[3:0] == 4'd4)
                         begin
                                tx_dout <= timecode_s[9];
                         end
                         else if( global_counter_transfer[3:0] == 4'd5)
                         begin
                                tx_dout <= timecode_s[8];
                         end
                         else if( global_counter_transfer[3:0] == 4'd6)
                         begin
                                tx_dout <= timecode_s[0];
                         end
                         else if( global_counter_transfer[3:0] == 4'd7)
                         begin
                                tx_dout <= timecode_s[1];
                         end
                         else if( global_counter_transfer[3:0] == 4'd8)
                         begin
                                tx_dout <= timecode_s[2];
                         end
                         else if(global_counter_transfer[3:0] == 4'd9)
                         begin
                                tx_dout <= timecode_s[3];
                         end
                         else if(global_counter_transfer[3:0] == 4'd10)
                         begin
                                tx_dout <= timecode_s[4];
                         end
                         else if(global_counter_transfer[3:0] == 4'd11)
                         begin
                                tx_dout <= timecode_s[5];
                         end
                         else if( global_counter_transfer[3:0] == 4'd12)
                         begin
                                tx_dout <= timecode_s[6];
                         end
                         else if(global_counter_transfer[3:0] == 4'd13)
                         begin
                                tx_dout <= timecode_s[7];
                         end
                end
                default:
                begin
                end
                endcase
        end
end
 
//strobe
always@(*)
begin
 
        tx_sout = last_tx_sout;
 
        if(tx_dout == last_tx_dout)
        begin
                tx_sout = !last_tx_sout;
        end
        else if(tx_dout != last_tx_dout)
        begin
                tx_sout = last_tx_sout;
        end
end
 
always@(*)
begin
        next_state_fct_send = state_fct_send;
 
        case(state_fct_send)
        3'd0:
        begin
                if(send_fct_now)
                begin
                        next_state_fct_send = 3'd1;
                end
                else if(fct_sent)
                begin
                        next_state_fct_send = 3'd3;
                end
                else
                        next_state_fct_send = 3'd0;
        end
        3'd1:
        begin
                next_state_fct_send = 3'd2;
        end
        3'd2:
        begin
                if(send_fct_now)
                begin
                        next_state_fct_send = 3'd2;
                end
                else
                begin
                        next_state_fct_send = 3'd0;
                end
        end
        3'd3:
        begin
                next_state_fct_send = 3'd4;
        end
        3'd4:
        begin
                if(fct_sent)
                begin
                        next_state_fct_send = 3'd4;
                end
                else
                begin
                        next_state_fct_send = 3'd0;
                end
        end
        default:
        begin
                next_state_fct_send = 3'd0;
        end
        endcase
end
 
always@(posedge pclk_tx or negedge enable_tx)
begin
        if(!enable_tx)
        begin
                fct_flag <= 3'd7;
                state_fct_send<= 3'd0;
        end
        else
        begin
                state_fct_send <= next_state_fct_send;
 
                case(state_fct_send)
                3'd0:
                begin
                        fct_flag <= fct_flag;
                end
                3'd1:
                begin
                        if(fct_flag < 3'd7)
                                fct_flag <= fct_flag + 3'd1;
                        else
                                fct_flag <= fct_flag;
                end
                3'd2:
                begin
                        fct_flag <= fct_flag;
                end
                3'd3:
                begin
                        if(fct_flag > 3'd0)
                                fct_flag <= fct_flag - 3'd1;
                        else
                                fct_flag <= fct_flag;
                end
                3'd4:
                begin
                        fct_flag <= fct_flag;
                end
                default:
                begin
                        fct_flag <= fct_flag;
                end
                endcase
        end
end
 
 
always@(*)
begin
        next_state_fct_receive = state_fct_receive;
 
        case(state_fct_receive)
        3'd0:
        begin
                if(gotfct_tx)
                begin
                        next_state_fct_receive = 3'd1;
                end
                else if(char_sent)
                begin
                        next_state_fct_receive = 3'd3;
                end
                else
                        next_state_fct_receive = 3'd0;
        end
        3'd1:
        begin
 
                next_state_fct_receive = 3'd2;
        end
        3'd2:
        begin
                if(gotfct_tx)
                begin
                        next_state_fct_receive = 3'd2;
                end
                else
                begin
                        next_state_fct_receive = 3'd0;
                end
        end
        3'd3:
        begin
                next_state_fct_receive = 3'd4;
        end
        3'd4:
        begin
                if(char_sent)
                begin
                        next_state_fct_receive = 3'd4;
                end
                else
                begin
                        next_state_fct_receive = 3'd0;
                end
        end
        default:
        begin
                next_state_fct_receive = 3'd0;
        end
        endcase
end
 
 
always@(posedge pclk_tx or negedge enable_tx)
begin
        if(!enable_tx)
        begin
                fct_counter_receive<= 6'd0;
                state_fct_receive <= 3'd0;
        end
        else
        begin
 
                state_fct_receive <= next_state_fct_receive;
 
                case(state_fct_receive)
                3'd0:
                begin
                        fct_counter_receive <= fct_counter_receive;
                end
                3'd1:
                begin
                        if(fct_counter_receive < 6'd48)
                        begin
                                fct_counter_receive <= fct_counter_receive + 6'd8;
                        end
                        else
                        begin
                                fct_counter_receive <= fct_counter_receive + 6'd7;
                        end
                end
                3'd2:
                begin
                        fct_counter_receive <= fct_counter_receive;
                end
                3'd3:
                begin
                        if(fct_counter_receive == 6'd0)
                                fct_counter_receive <= fct_counter_receive;
                        else
                                fct_counter_receive <= fct_counter_receive - 6'd1;
                end
                3'd4:
                begin
                        fct_counter_receive <= fct_counter_receive;
                end
                default:
                begin
                        fct_counter_receive <= fct_counter_receive;
                end
                endcase
        end
end
 
always@(*)
begin
        next_state_tx = state_tx;
 
        case(state_tx)
        tx_spw_start:
        begin
                if(send_null_tx && enable_tx)
                begin
                        next_state_tx = tx_spw_null;
                end
                else
                begin
                        next_state_tx = tx_spw_start;
                end
        end
        tx_spw_null:
        begin
                if(send_null_tx && send_fct_tx && enable_tx)
                begin
                        if(global_counter_transfer == 4'd7)
                                next_state_tx = tx_spw_fct;
                        else
                                next_state_tx = tx_spw_null;
                end
                else
                        next_state_tx = tx_spw_null;
        end
        tx_spw_fct:
        begin
                if(send_fct_tx && global_counter_transfer == 4'd3)
                begin
                        if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
                        begin
                                next_state_tx = tx_spw_time_code_c;
                        end
                        else if(fct_flag > 3'd0 && !send_fct_now)
                        begin
                                next_state_tx = tx_spw_fct;
                        end
                        else
                        begin
                                next_state_tx = tx_spw_null_c;
                        end
                end
                else
                        next_state_tx = tx_spw_fct;
        end
        tx_spw_null_c:
        begin
                if(global_counter_transfer == 4'd7)
                begin
                        if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
                        begin
                                next_state_tx = tx_spw_time_code_c;
                        end
                        else if(fct_flag > 3'd0 && !send_fct_now)
                        begin
                                next_state_tx = tx_spw_fct_c;
                        end
                        else if(process_data && !gotfct_tx && fct_counter_receive > 6'd0)
                        begin
                                next_state_tx = tx_spw_data_c;
                        end
                        else if(process_data_0 && !gotfct_tx && fct_counter_receive > 6'd0)
                        begin
                                next_state_tx = tx_spw_data_c_0;
                        end
                        else
                        begin
                                next_state_tx = tx_spw_null_c;
                        end
                end
                else
                begin
                        next_state_tx = tx_spw_null_c;
                end
        end
        tx_spw_fct_c:
        begin
                if(global_counter_transfer == 4'd3)
                begin
                        if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
                        begin
                                next_state_tx = tx_spw_time_code_c;
                        end
                        else
                        begin
                                next_state_tx = tx_spw_null_c;
                        end
                end
                else
                begin
                        next_state_tx = tx_spw_fct_c;
                end
        end
        tx_spw_data_c:
        begin
 
                if(!tx_data_in[8])
                begin
                        if(global_counter_transfer == 4'd9)
                        begin
                                if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
                                begin
                                        next_state_tx = tx_spw_time_code_c;
                                end
                                else if(fct_flag > 3'd0 && !send_fct_now)
                                begin
                                        next_state_tx = tx_spw_fct_c;
                                end
                                else if(process_data_0 && !gotfct_tx && fct_counter_receive > 6'd0)
                                begin
                                        next_state_tx = tx_spw_data_c_0;
                                end
                                else
                                begin
                                        next_state_tx = tx_spw_null_c;
                                end
                        end
                        else
                                next_state_tx = tx_spw_data_c;
                end
                else if(tx_data_in[8])
                begin
                        if(global_counter_transfer == 4'd3)
                        begin
                                if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
                                begin
                                        next_state_tx = tx_spw_time_code_c;
                                end
                                else if(fct_flag > 3'd0 && !send_fct_now)
                                begin
                                        next_state_tx = tx_spw_fct_c;
                                end
                                else
                                begin
                                        next_state_tx = tx_spw_null_c;
                                end
                        end
                        else
                                next_state_tx = tx_spw_data_c;
                end
 
 
        end
        tx_spw_data_c_0:
        begin
 
                if(!tx_data_in_0[8])
                begin
                        if(global_counter_transfer == 4'd9)
                        begin
                                if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
                                begin
                                        next_state_tx = tx_spw_time_code_c;
                                end
                                else if(fct_flag > 3'd0 && !send_fct_now)
                                begin
                                        next_state_tx = tx_spw_fct_c;
                                end
                                else if(process_data && !gotfct_tx && fct_counter_receive > 6'd0)
                                begin
                                        next_state_tx = tx_spw_data_c;
                                end
                                else
                                begin
                                        next_state_tx = tx_spw_null_c;
                                end
                        end
                        else
                                next_state_tx = tx_spw_data_c_0;
                end
                else if(tx_data_in_0[8])
                begin
                        if(global_counter_transfer == 4'd3)
                        begin
                                if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
                                begin
                                        next_state_tx = tx_spw_time_code_c;
                                end
                                else if(fct_flag > 3'd0 && !send_fct_now)
                                begin
                                        next_state_tx = tx_spw_fct_c;
                                end
                                else
                                begin
                                        next_state_tx = tx_spw_null_c;
                                end
                        end
                        else
                                next_state_tx = tx_spw_data_c_0;
                end
 
 
        end
        tx_spw_time_code_c:
        begin
                if(global_counter_transfer == 4'd13)
                begin
                        if(fct_flag > 3'd0 && !send_fct_now)
                        begin
                                next_state_tx = tx_spw_fct_c;
                        end
                        else if(process_data && !gotfct_tx && fct_counter_receive > 6'd0 )
                        begin
                                next_state_tx = tx_spw_data_c;
                        end
                        else if(process_data_0 && !gotfct_tx && fct_counter_receive > 6'd0)
                        begin
                                next_state_tx = tx_spw_data_c_0;
                        end
                        else
                        begin
                                next_state_tx = tx_spw_null_c;
                        end
                end
                else
                begin
                        next_state_tx = tx_spw_time_code_c;
                end
        end
        default:
        begin
                next_state_tx = tx_spw_start;
        end
        endcase
end
 
 
always@(posedge pclk_tx or negedge enable_tx)
begin
        if(!enable_tx)
        begin
 
                timecode_s    <= 14'b01110000000000;
 
                ready_tx_data     <= 1'b0;
                ready_tx_timecode <= 1'b0;
 
                last_type  <= NULL;
 
                global_counter_transfer <= 4'd0;
                txdata_flagctrl_tx_last <= 9'd0;
                tx_data_in <= 9'd0;
                tx_data_in_0 <= 9'd0;
 
                process_data   <= 1'b0;
                process_data_0 <= 1'b0;
 
                last_timein_control_flag_tx <= 8'd0;
 
                char_sent<= 1'b0;
                fct_sent <= 1'b0;
 
                last_tx_dout      <= 1'b0;
                last_tx_sout      <= 1'b0;
 
                state_tx <= tx_spw_start;
 
                tx_dout_e <= 1'b0;
                tx_sout_e <= 1'b0;
 
                tx_tcode_in     <= 8'd0;
                tcode_rdy_trnsp <= 1'b0;
 
        end
        else
        begin
                state_tx <= next_state_tx;
 
                case(state_tx)
                tx_spw_start:
                begin
 
                        if(send_null_tx && enable_tx)
                        begin
                                global_counter_transfer <= global_counter_transfer + 4'd1;
                        end
                        else
                        begin
                                global_counter_transfer <= 4'd0;
                        end
 
                end
                tx_spw_null:
                begin
 
                        last_tx_dout <= tx_dout;
                        last_tx_sout <= tx_sout;
 
                        tx_dout_e <= tx_dout;
                        tx_sout_e <= tx_sout;
 
 
                        if(tickin_tx && global_counter_transfer == 4'd5)
                        begin
                                tx_tcode_in <= timecode_tx_i;
                                tcode_rdy_trnsp <= 1'b1;
                        end
                        else
                                tx_tcode_in <= tx_tcode_in;
 
 
                        if(global_counter_transfer == 4'd7)
                        begin
                                last_type  <= NULL;
                                global_counter_transfer <= 4'd0;
                        end
                        else
                        begin
                                last_type  <= last_type;
                                global_counter_transfer <= global_counter_transfer + 4'd1;
                        end
                end
                tx_spw_fct:
                begin
 
                        last_tx_dout <= tx_dout;
                        last_tx_sout <= tx_sout;
 
                        tx_dout_e <= tx_dout;
                        tx_sout_e <= tx_sout;
 
                        if(global_counter_transfer == 4'd3)
                        begin
                                last_type  <=FCT;
                                global_counter_transfer <= 4'd0;
                                fct_sent <= 1'b0;
                        end
                        else
                        begin
                                if(fct_flag > 3'd0)
                                        fct_sent <=  1'b1;
                                else
                                        fct_sent <= fct_sent;
 
                                global_counter_transfer <= global_counter_transfer + 4'd1;
                        end
                end
                tx_spw_null_c:
                begin
 
                        last_tx_dout <= tx_dout;
                        last_tx_sout <= tx_sout;
 
                        tx_dout_e <= tx_dout;
                        tx_sout_e <= tx_sout;
 
                        if(global_counter_transfer == 4'd7)
                        begin
                                fct_sent <=  1'b0;
                                last_type  <= NULL;
                                global_counter_transfer <= 4'd0;
                        end
                        else
                        begin
 
                                if(process_data_0)
                                begin
                                        process_data_0 <= process_data_0;
                                end
                                else
                                begin
                                        if(txwrite_tx)
                                        begin
                                                tx_data_in     <= data_tx_i;
                                                process_data   <= 1'b1;
                                        end
                                        else
                                        begin
                                                tx_data_in     <= tx_data_in;
                                                process_data   <= 1'b0;
                                        end
                                        process_data_0 <= 1'b0;
                                end
 
                                char_sent <= 1'b0;
                                fct_sent <=  1'b0;
                                ready_tx_timecode <= 1'b0;
                                last_type  <= last_type;
                                global_counter_transfer <= global_counter_transfer + 4'd1;
                        end
                end
                tx_spw_fct_c:
                begin
 
                        last_tx_dout <= tx_dout;
                        last_tx_sout <= tx_sout;
 
                        tx_dout_e <= tx_dout;
                        tx_sout_e <= tx_sout;
 
                        if(global_counter_transfer == 4'd3)
                        begin
                                char_sent <= 1'b0;
                                last_type  <=FCT;
                                fct_sent <=  1'b0;
                                global_counter_transfer <= 4'd0;
                        end
                        else
                        begin
                                char_sent <= 1'b0;
                                process_data   <= process_data;
                                process_data_0 <= process_data_0;
 
                                fct_sent <=  1'b1;
 
                                global_counter_transfer <= global_counter_transfer + 4'd1;
                        end
                end
                tx_spw_data_c:
                begin
 
                        last_tx_dout <= tx_dout;
                        last_tx_sout <= tx_sout;
 
                        tx_dout_e <= tx_dout;
                        tx_sout_e <= tx_sout;
 
                        if(!tx_data_in[8])
                        begin
 
                                if(global_counter_transfer == 4'd9)
                                begin
                                        fct_sent <=  1'b0;
                                        char_sent <= 1'b1;
                                        last_type  <= DATA;
                                        global_counter_transfer <= 4'd0;
                                end
                                else
                                begin
 
                                        if(global_counter_transfer < 4'd3)
                                        begin
                                                ready_tx_data <= 1'b1;
                                        end
                                        else
                                        begin
                                                fct_sent <=  1'b0;
                                                ready_tx_data <= 1'b0;
 
                                                if(global_counter_transfer == 4'd3)
                                                begin
                                                        txdata_flagctrl_tx_last <= tx_data_in;
                                                end
                                                else
                                                        txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
 
                                                if(txwrite_tx)
                                                begin
                                                        tx_data_in_0 <= data_tx_i;
                                                        process_data_0 <= 1'b1;
                                                end
                                                else
                                                begin
                                                        tx_data_in_0 <= tx_data_in_0;
                                                        process_data_0 <= 1'b0;
                                                end
                                        end
 
                                        process_data <= 1'b0;
                                        char_sent <= 1'b0;
                                        ready_tx_timecode <= 1'b0;
                                        global_counter_transfer <= global_counter_transfer + 4'd1;
 
                                 end
 
                        end
                        else if(tx_data_in[8])
                        begin
 
                                if(global_counter_transfer == 4'd3)
                                begin
                                        char_sent <= 1'b1;
                                        fct_sent <=  1'b0;
                                        if(tx_data_in[1:0] == 2'b00)
                                        begin
                                                last_type  <=EOP;
                                        end
                                        else if(tx_data_in[1:0] == 2'b01)
                                        begin
                                                last_type  <=EEP;
                                        end
 
                                        ready_tx_data <= 1'b0;
                                        global_counter_transfer <= 4'd0;
                                end
                                else
                                begin
                                        fct_sent <=  1'b0;
                                        char_sent <= 1'b0;
                                        process_data   <= 1'b0;
                                        process_data_0 <= 1'b0;
                                        txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
                                        ready_tx_data <= 1'b1;
                                        ready_tx_timecode <= 1'b0;
                                        global_counter_transfer <= global_counter_transfer + 4'd1;
                                end
                        end
 
                end
                tx_spw_data_c_0:
                begin
 
                        last_tx_dout <= tx_dout;
                        last_tx_sout <= tx_sout;
 
                        tx_dout_e <= tx_dout;
                        tx_sout_e <= tx_sout;
 
                        if(!tx_data_in_0[8])
                        begin
 
                                if(global_counter_transfer == 4'd9)
                                begin
                                        fct_sent <=  1'b0;
                                        char_sent <= 1'b1;
                                        last_type  <= DATA;
                                        global_counter_transfer <= 4'd0;
                                end
                                else
                                begin
 
                                        if(global_counter_transfer < 4'd3)
                                        begin
                                                ready_tx_data <= 1'b1;
                                        end
                                        else
                                        begin
                                                ready_tx_data <= 1'b0;
 
                                                if(global_counter_transfer == 4'd3)
                                                begin
                                                        txdata_flagctrl_tx_last <= tx_data_in_0;
                                                end
                                                else
                                                        txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
 
                                                if(txwrite_tx)
                                                begin
                                                        tx_data_in     <= data_tx_i;
                                                        process_data   <= 1'b1;
                                                end
                                                else
                                                begin
                                                        tx_data_in     <= tx_data_in;
                                                        process_data   <= 1'b0;
                                                end
                                        end
 
                                        fct_sent <=  1'b0;
                                        process_data_0 <= 1'b0;
                                        char_sent <= 1'b0;
                                        ready_tx_timecode <= 1'b0;
                                        global_counter_transfer <= global_counter_transfer + 4'd1;
 
                                 end
 
                        end
                        else if(tx_data_in_0[8])
                        begin
 
                                if(global_counter_transfer == 4'd3)
                                begin
                                        fct_sent <=  1'b0;
                                        char_sent <= 1'b1;
 
                                        if(tx_data_in_0[1:0] == 2'b00)
                                        begin
                                                last_type  <=EOP;
                                        end
                                        else if(tx_data_in_0[1:0] == 2'b01)
                                        begin
                                                last_type  <=EEP;
                                        end
 
                                        ready_tx_data <= 1'b0;
                                        global_counter_transfer <= 4'd0;
                                end
                                else
                                begin
                                        fct_sent <=  1'b0;
                                        process_data   <= 1'b0;
                                        process_data_0 <= 1'b0;
                                        txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
                                        ready_tx_data <= 1'b1;
                                        ready_tx_timecode <= 1'b0;
                                        char_sent <= 1'b0;
                                        global_counter_transfer <= global_counter_transfer + 4'd1;
                                end
                        end
 
                end
                tx_spw_time_code_c:
                begin
 
                        last_tx_dout <= tx_dout;
                        last_tx_sout <= tx_sout;
 
                        tx_dout_e <= tx_dout;
                        tx_sout_e <= tx_sout;
 
 
                        if(global_counter_transfer == 4'd13)
                        begin
                                fct_sent <=  1'b0;
                                ready_tx_timecode <= 1'b1;
                                global_counter_transfer <= 4'd0;
                        end
                        else
                        begin
                                if(process_data_0)
                                begin
 
                                        process_data_0 <= process_data_0;
                                end
                                else
                                begin
                                        if(txwrite_tx)
                                        begin
                                                tx_data_in     <= data_tx_i;
                                                process_data   <= 1'b1;
                                        end
                                        else
                                        begin
                                                tx_data_in     <= tx_data_in;
                                                process_data   <= 1'b0;
                                        end
                                        process_data_0 <= 1'b0;
                                end
                                fct_sent <=  1'b0;
                                char_sent <= 1'b0;
                                ready_tx_timecode <= 1'b0;
                                global_counter_transfer <= global_counter_transfer + 4'd1;
                        end
 
 
                        if(global_counter_transfer != 4'd13)
                        begin
 
                                timecode_s <= {timecode_ss[13:10],2'd2,tx_tcode_in[7:0]};
                        end
                        else
                        begin
                                last_timein_control_flag_tx <= tx_tcode_in;
                                last_type  <= TIMEC;
                        end
 
                end
                default:
                begin
                        fct_sent <=  1'b0;
                        char_sent <= 1'b0;
                        last_type               <= last_type;
                        global_counter_transfer <= global_counter_transfer;
                        tx_dout_e               <= tx_dout_e;
                        tx_sout_e               <= tx_sout_e;
                end
                endcase
        end
end
 
endmodule

Line No.	Rev	Author	Line
1	5	redbear	`//+FHDR------------------------------------------------------------------------`
2			`//Copyright (c) 2013 Latin Group American Integhrated Circuit, Inc. All rights reserved`
3			`//GLADIC Open Source RTL`
4			`//-----------------------------------------------------------------------------`
5			`//FILE NAME :`
6			`//DEPARTMENT : IC Design / Verification`
7			`//AUTHOR : Felipe Fernandes da Costa`
8			`//AUTHOR’S EMAIL :`
9			`//-----------------------------------------------------------------------------`
10			`//RELEASE HISTORY`
11			`//VERSION DATE AUTHOR DESCRIPTION`
12			`//1.0 YYYY-MM-DD name`
13			`//-----------------------------------------------------------------------------`
14			`//KEYWORDS : General file searching keywords, leave blank if none.`
15			`//-----------------------------------------------------------------------------`
16			`//PURPOSE : ECSS_E_ST_50_12C_31_july_2008`
17			`//-----------------------------------------------------------------------------`
18			`//PARAMETERS`
19			`//PARAM NAME RANGE : DESCRIPTION : DEFAULT : UNITS`
20			`//e.g.DATA_WIDTH [32,16] : width of the DATA : 32:`
21			`//-----------------------------------------------------------------------------`
22			`//REUSE ISSUES`
23			`//Reset Strategy :`
24			`//Clock Domains :`
25			`//Critical Timing :`
26			`//Test Features :`
27			`//Asynchronous I/F :`
28			`//Scan Methodology :`
29			`//Instantiations :`
30			`//Synthesizable (y/n) :`
31			`//Other :`
32			`//-FHDR------------------------------------------------------------------------`
33
34			`timescale 1ns/1ns
35
36			`module TX_SPW (`
37			`input pclk_tx,`
38			`//`
39			`input [8:0] data_tx_i,`
40			`input txwrite_tx,`
41			`//`
42			`input [7:0] timecode_tx_i,`
43			`input tickin_tx,`
44			`//`
45			`input enable_tx,`
46			`input send_null_tx,`
47			`input send_fct_tx,`
48
49			`//`
50			`input gotfct_tx,`
51			`input send_fct_now,`
52			`//`
53	33	redbear	`output reg tx_dout_e,`
54			`output reg tx_sout_e,`
55	5	redbear	`//`
56	8	redbear	`output reg ready_tx_data,`
57	13	redbear	`output reg ready_tx_timecode`
58	5	redbear
59			`);`
60
61	37	redbear	`localparam [6:0] tx_spw_start = 7'b0000000,`
62			`tx_spw_null = 7'b0000001,`
63			`tx_spw_fct = 7'b0000010,`
64			`tx_spw_null_c = 7'b0000100,`
65			`tx_spw_fct_c = 7'b0001000,`
66			`tx_spw_data_c = 7'b0010000,`
67	39	redbear	`tx_spw_data_c_0 = 7'b0100000,`
68			`tx_spw_time_code_c = 7'b1000000;`
69	5	redbear
70			`localparam [5:0] NULL = 6'b000001,`
71			`FCT = 6'b000010,`
72			`EOP = 6'b000100,`
73			`EEP = 6'b001000,`
74			`DATA = 6'b010000,`
75			`TIMEC = 6'b100000;`
76
77	25	redbear
78			`localparam [7:0] null_s = 8'b01110100;`
79			`localparam [2:0] fct_s = 3'b100;`
80			`localparam [3:0] eop_s = 4'b0101;`
81			`localparam [3:0] eep_s = 4'b0110;`
82			`localparam [13:0] timecode_ss = 14'b01110000000000;`
83
84
85
86	37	redbear	`reg [6:0] state_tx;`
87			`reg [6:0] next_state_tx;`
88	5	redbear
89	37	redbear	`reg [2:0] state_fct_send;`
90			`reg [2:0] next_state_fct_send;`
91
92			`reg [2:0] state_fct_receive;`
93			`reg [2:0] next_state_fct_receive;`
94
95	38	redbear	`reg [2:0] state_data_fifo;`
96			`reg [2:0] next_state_data_fifo;`
97
98	5	redbear	`reg [13:0] timecode_s;`
99
100			`reg [5:0] last_type;`
101			`reg [8:0] txdata_flagctrl_tx_last;`
102	36	redbear	`reg [8:0] tx_data_in;`
103	39	redbear	`reg [8:0] tx_data_in_0;`
104			`reg process_data;`
105			`reg process_data_0;`
106			`reg last_process_data;`
107	38	redbear
108	5	redbear	`reg [7:0] last_timein_control_flag_tx;`
109	36	redbear	`reg [7:0] tx_tcode_in;`
110			`reg tcode_rdy_trnsp;`
111	5	redbear
112			`reg [2:0] fct_send;`
113			`reg [2:0] fct_flag;`
114	6	redbear
115			`reg [5:0] fct_counter_receive;`
116
117	37	redbear	`reg block_decrement;`
118			`reg char_sent;`
119
120			`reg fct_sent;`
121
122	5	redbear	`reg last_tx_dout;`
123			`reg last_tx_sout;`
124
125	33	redbear	`reg tx_dout;`
126			`reg tx_sout;`
127
128			`reg tx_dout_null;`
129			`reg tx_dout_fct;`
130			`reg tx_dout_timecode;`
131			`reg tx_dout_data;`
132
133	5	redbear	`reg [3:0] global_counter_transfer;`
134
135
136	13	redbear
137	39	redbear	`always@(posedge pclk_tx or negedge enable_tx)`
138	5	redbear	`begin`
139	39	redbear	`if(!enable_tx)`
140			`begin`
141			`tx_dout <= 1'b0;`
142			`end`
143			`else`
144			`begin`
145	37	redbear	`case(state_tx)`
146			`tx_spw_start:`
147			`begin`
148	39	redbear	`if(send_null_tx && enable_tx)`
149			`begin`
150			`tx_dout <= !(null_s[6]^null_s[0]^null_s[1]);`
151			`end`
152			`else`
153			`begin`
154			`tx_dout <= 1'b0;`
155			`end`
156	37	redbear	`end`
157			`tx_spw_null,tx_spw_null_c:`
158			`begin`
159			`if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
160			`begin`
161	39	redbear	`tx_dout <= !(null_s[6]^null_s[0]^null_s[1]);`
162	37	redbear	`end`
163			`else if(last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
164			`begin`
165	39	redbear	`tx_dout <= !(null_s[6]^fct_s[0]^fct_s[1]);`
166	37	redbear	`end`
167			`else if(last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
168			`begin`
169	39	redbear	`tx_dout <= !(null_s[6]^eop_s[0]^eop_s[1]);`
170	37	redbear	`end`
171			`else if(last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
172			`begin`
173	39	redbear	`tx_dout <= !(null_s[6]^eep_s[0]^eep_s[1]);`
174	37	redbear	`end`
175			`else if(last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
176			`begin`
177	39	redbear	`tx_dout <= !(null_s[6]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
178	37	redbear	`end`
179			`else if(last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
180			`begin`
181	39	redbear	`tx_dout <= !(null_s[6]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
182	37	redbear	`end`
183			`else if(global_counter_transfer[3:0] == 4'd1)`
184			`begin`
185	39	redbear	`tx_dout <= null_s[6];`
186	37	redbear	`end`
187			`else if(global_counter_transfer[3:0] == 4'd2)`
188			`begin`
189	39	redbear	`tx_dout <= null_s[5];`
190	37	redbear	`end`
191			`else if(global_counter_transfer[3:0] == 4'd3)`
192			`begin`
193	39	redbear	`tx_dout <= null_s[4];`
194	37	redbear	`end`
195			`else if(global_counter_transfer[3:0] == 4'd4)`
196			`begin`
197	39	redbear	`tx_dout <= null_s[3];`
198	37	redbear	`end`
199			`else if(global_counter_transfer[3:0] == 4'd5)`
200			`begin`
201	39	redbear	`tx_dout <= null_s[2];`
202	37	redbear	`end`
203			`else if(global_counter_transfer[3:0] == 4'd6)`
204			`begin`
205	39	redbear	`tx_dout <= null_s[1];`
206	37	redbear	`end`
207			`else if(global_counter_transfer[3:0] == 4'd7)`
208			`begin`
209	39	redbear	`tx_dout <= null_s[0];`
210	37	redbear	`end`
211			`end`
212			`tx_spw_fct,tx_spw_fct_c:`
213			`begin`
214			`if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
215			`begin`
216	39	redbear	`tx_dout <= !(fct_s[2]^null_s[0]^null_s[1]);`
217	37	redbear	`end`
218			`else if(last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
219			`begin`
220	39	redbear	`tx_dout <= !(fct_s[2]^fct_s[0]^fct_s[1]);`
221	37	redbear	`end`
222			`else if(last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
223			`begin`
224	39	redbear	`tx_dout <= !(fct_s[2]^eop_s[0]^eop_s[1]);`
225	37	redbear	`end`
226			`else if(last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
227			`begin`
228	39	redbear	`tx_dout <= !(fct_s[2]^eep_s[0]^eep_s[1]);`
229	37	redbear	`end`
230			`else if (last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
231			`begin`
232	39	redbear	`tx_dout <= !(fct_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
233	37	redbear	`end`
234			`else if(last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
235			`begin`
236	39	redbear	`tx_dout <= !(fct_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
237	37	redbear	`end`
238			`else if(global_counter_transfer[3:0] == 4'd1)`
239			`begin`
240	39	redbear	`tx_dout <= fct_s[2];`
241	37	redbear	`end`
242			`else if(global_counter_transfer[3:0] == 4'd2)`
243			`begin`
244	39	redbear	`tx_dout <= fct_s[1];`
245	37	redbear	`end`
246			`else if(global_counter_transfer[3:0] == 4'd3)`
247			`begin`
248	39	redbear	`tx_dout <= fct_s[0];`
249	37	redbear	`end`
250			`end`
251			`tx_spw_data_c:`
252			`begin`
253			`if(!tx_data_in[8] && last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
254			`begin`
255	39	redbear	`tx_dout <= !(tx_data_in[8]^null_s[0]^null_s[1]);`
256	37	redbear	`end`
257			`else if(!tx_data_in[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
258			`begin`
259	39	redbear	`tx_dout <= !(tx_data_in[8]^fct_s[0]^fct_s[1]);`
260	37	redbear	`end`
261			`else if(!tx_data_in[8] && last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
262			`begin`
263	39	redbear	`tx_dout <= !(tx_data_in[8]^eop_s[0]^eop_s[1]);`
264	37	redbear	`end`
265			`else if(!tx_data_in[8] && last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
266			`begin`
267	39	redbear	`tx_dout <= !(tx_data_in[8]^eep_s[0]^eep_s[1]);`
268	37	redbear	`end`
269			`else if(!tx_data_in[8] && last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
270			`begin`
271	39	redbear	`tx_dout <= !(tx_data_in[8]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
272	37	redbear	`end`
273			`else if(!tx_data_in[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
274			`begin`
275	39	redbear	`tx_dout <= !(tx_data_in[8]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
276	37	redbear	`end`
277			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
278			`begin`
279	39	redbear	`tx_dout <= !(eop_s[2]^null_s[0]^null_s[1]);`
280	37	redbear	`end`
281			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
282			`begin`
283	39	redbear	`tx_dout <= !(eop_s[2]^fct_s[0]^fct_s[1]);`
284	37	redbear	`end`
285			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
286			`begin`
287	39	redbear	`tx_dout <= !(eop_s[2]^eop_s[0]^eop_s[1]);`
288	37	redbear	`end`
289			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
290			`begin`
291	39	redbear	`tx_dout <= !(eop_s[2]^eep_s[0]^eep_s[1]);`
292	37	redbear	`end`
293			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
294			`begin`
295	39	redbear	`tx_dout <= !(eop_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
296	37	redbear	`end`
297			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
298			`begin`
299	39	redbear	`tx_dout <= !(eop_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
300	37	redbear	`end`
301			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
302			`begin`
303	39	redbear	`tx_dout <= !(eep_s[2]^null_s[0]^null_s[1]);`
304	37	redbear	`end`
305			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
306			`begin`
307	39	redbear	`tx_dout <= !(eep_s[2]^fct_s[0]^fct_s[1]);`
308	37	redbear	`end`
309			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
310			`begin`
311	39	redbear	`tx_dout <= !(eep_s[2]^eop_s[0]^eop_s[1]);`
312	37	redbear	`end`
313			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
314			`begin`
315	39	redbear	`tx_dout <= !(eep_s[2]^eep_s[0]^eep_s[1]);`
316	37	redbear	`end`
317			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
318			`begin`
319	39	redbear	`tx_dout <= !(eep_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
320	37	redbear	`end`
321			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
322			`begin`
323	39	redbear	`tx_dout <= !(eep_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
324	37	redbear	`end`
325			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd1)`
326			`begin`
327	39	redbear	`tx_dout <= tx_data_in[8];`
328	37	redbear	`end`
329			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd2)`
330			`begin`
331	39	redbear	`tx_dout <= tx_data_in[0];`
332	37	redbear	`end`
333			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd3)`
334			`begin`
335	39	redbear	`tx_dout <= tx_data_in[1];`
336	37	redbear	`end`
337			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd4)`
338			`begin`
339	39	redbear	`tx_dout <= tx_data_in[2];`
340	37	redbear	`end`
341			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd5)`
342			`begin`
343	39	redbear	`tx_dout <= tx_data_in[3];`
344	37	redbear	`end`
345			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd6)`
346			`begin`
347	39	redbear	`tx_dout <= tx_data_in[4];`
348	37	redbear	`end`
349			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd7)`
350			`begin`
351	39	redbear	`tx_dout <= tx_data_in[5];`
352	37	redbear	`end`
353			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd8)`
354			`begin`
355	39	redbear	`tx_dout <= tx_data_in[6];`
356	37	redbear	`end`
357			`else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd9)`
358			`begin`
359	39	redbear	`tx_dout <= tx_data_in[7];`
360	37	redbear	`end`
361			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)`
362			`begin`
363	39	redbear	`tx_dout <= eep_s[2];`
364	37	redbear	`end`
365			`else if( tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)`
366			`begin`
367	39	redbear	`tx_dout <= eep_s[1];`
368	37	redbear	`end`
369			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd3)`
370			`begin`
371	39	redbear	`tx_dout <= eep_s[0];`
372	37	redbear	`end`
373			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd1)`
374			`begin`
375	39	redbear	`tx_dout <= eop_s[2];`
376	37	redbear	`end`
377			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd2)`
378			`begin`
379	39	redbear	`tx_dout <= eop_s[1];`
380	37	redbear	`end`
381			`else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd3)`
382			`begin`
383	39	redbear	`tx_dout <= eop_s[0];`
384	37	redbear	`end`
385			`end`
386	39	redbear	`tx_spw_data_c_0:`
387			`begin`
388			`if(!tx_data_in_0[8] && last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
389			`begin`
390			`tx_dout <= !(tx_data_in_0[8]^null_s[0]^null_s[1]);`
391			`end`
392			`else if(!tx_data_in_0[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
393			`begin`
394			`tx_dout <= !(tx_data_in_0[8]^fct_s[0]^fct_s[1]);`
395			`end`
396			`else if(!tx_data_in_0[8] && last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
397			`begin`
398			`tx_dout <= !(tx_data_in_0[8]^eop_s[0]^eop_s[1]);`
399			`end`
400			`else if(!tx_data_in_0[8] && last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
401			`begin`
402			`tx_dout <= !(tx_data_in_0[8]^eep_s[0]^eep_s[1]);`
403			`end`
404			`else if(!tx_data_in_0[8] && last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
405			`begin`
406			`tx_dout <= !(tx_data_in_0[8]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
407			`end`
408			`else if(!tx_data_in_0[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
409			`begin`
410			`tx_dout <= !(tx_data_in_0[8]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
411			`end`
412			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
413			`begin`
414			`tx_dout <= !(eop_s[2]^null_s[0]^null_s[1]);`
415			`end`
416			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
417			`begin`
418			`tx_dout <= !(eop_s[2]^fct_s[0]^fct_s[1]);`
419			`end`
420			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
421			`begin`
422			`tx_dout <= !(eop_s[2]^eop_s[0]^eop_s[1]);`
423			`end`
424			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
425			`begin`
426			`tx_dout <= !(eop_s[2]^eep_s[0]^eep_s[1]);`
427			`end`
428			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
429			`begin`
430			`tx_dout <= !(eop_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
431			`end`
432			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
433			`begin`
434			`tx_dout <= !(eop_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
435			`end`
436			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)`
437			`begin`
438			`tx_dout <= !(eep_s[2]^null_s[0]^null_s[1]);`
439			`end`
440			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)`
441			`begin`
442			`tx_dout <= !(eep_s[2]^fct_s[0]^fct_s[1]);`
443			`end`
444			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)`
445			`begin`
446			`tx_dout <= !(eep_s[2]^eop_s[0]^eop_s[1]);`
447			`end`
448			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)`
449			`begin`
450			`tx_dout <= !(eep_s[2]^eep_s[0]^eep_s[1]);`
451			`end`
452			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)`
453			`begin`
454			`tx_dout <= !(eep_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);`
455			`end`
456			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)`
457			`begin`
458			`tx_dout <= !(eep_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);`
459			`end`
460			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd1)`
461			`begin`
462			`tx_dout <= tx_data_in_0[8];`
463			`end`
464			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd2)`
465			`begin`
466			`tx_dout <= tx_data_in_0[0];`
467			`end`
468			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd3)`
469			`begin`
470			`tx_dout <= tx_data_in_0[1];`
471			`end`
472			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd4)`
473			`begin`
474			`tx_dout <= tx_data_in_0[2];`
475			`end`
476			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd5)`
477			`begin`
478			`tx_dout <= tx_data_in_0[3];`
479			`end`
480			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd6)`
481			`begin`
482			`tx_dout <= tx_data_in_0[4];`
483			`end`
484			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd7)`
485			`begin`
486			`tx_dout <= tx_data_in_0[5];`
487			`end`
488			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd8)`
489			`begin`
490			`tx_dout <= tx_data_in_0[6];`
491			`end`
492			`else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd9)`
493			`begin`
494			`tx_dout <= tx_data_in_0[7];`
495			`end`
496			`else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)`
497			`begin`
498			`tx_dout <= eep_s[2];`
499			`end`
500			`else if( tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)`

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