`include "TransmitTop.v"module TransmitTop_tb();//Input from user logicreg [63:0] TX_DATA;reg [63:0] TX_DATA_int;reg [7:0] TX_DATA_VALID; // To accept the data valid to be availablereg Append_last_bit;reg TX_CLK;reg RESET;reg TX_START; // This signify the first frame of datareg TX_UNDERRUN; // this will cause an error to be injected into the datareg [7:0] TX_IFG_DELAY; // this will cause a delay in the ack signal//input to transmit fault signalsreg RXTXLINKFAULT;reg LOCALLINKFAULT;reg [15:0] FC_TRANS_PAUSEDATA; //pause frame datareg FC_TRANS_PAUSEVAL; //pulse signal to indicate a pause frame to be sent//apply pause timingreg [15:0] FC_TX_PAUSEDATA;reg FC_TX_PAUSEVALID;//apply configuration valuereg [31:0] TX_CFG_REG_VALUE;reg TX_CFG_REG_VALID;//output to stat registerwire TX_STATS_VALID;wire [9:0] TXSTATREGPLUS; // a pulse for each reg for statswire [63:0] TXD;wire [7:0] TXC;wire TX_ACK;reg D_START;reg START_TX_BITS;// Initialize all variablesinitial begin          Append_last_bit = 0;  TX_CLK = 1;       // initial value of clock  RESET <= 0;       // initial value of reset  TX_START <= 0;      // initial value of enable  TX_DATA_VALID <= 8'h00;  D_START = 0;  FC_TX_PAUSEVALID <= 0;  FC_TX_PAUSEDATA <= 0;  FC_TRANS_PAUSEDATA <= 0;  FC_TRANS_PAUSEVAL <= 0;  TX_UNDERRUN = 0;  #5 RESET <= 1;    // Assert the reset  #10 RESET <= 0;    // De-assert the reset   #15 TX_START <= 1;      TX_DATA_VALID <= 8'hFF;	D_START <= 1;  #20 TX_START <= 0;  #400 	//TX_DATA_VALID <= 8'h00;        //FC_TX_PAUSEVALID <= 1;        //FC_TX_PAUSEDATA <= 30;        //  FC_TRANS_PAUSEDATA <= 30;        //  FC_TRANS_PAUSEVAL <= 1;	 TX_DATA_VALID <= 8'h7f;  #10 	TX_DATA_VALID <= 8'h00;		D_START = 0;        //FC_TX_PAUSEVALID <= 0;        //FC_TX_PAUSEDATA <= 0;        //  FC_TRANS_PAUSEDATA <= 0;  	//  FC_TRANS_PAUSEVAL <= 0;  #20 TX_START <= 1;      TX_DATA_VALID <= 8'hFF;	D_START = 1;  #20 TX_START <= 0;  #400 	TX_DATA_VALID <= 8'h00;  #10 	TX_DATA_VALID <= 8'h00;		D_START = 0;  #1300 $finish;     // Terminate simulationendalways @(posedge D_START or posedge TX_CLK)begin  if (D_START == 0) begin    TX_DATA = 64'h0000000000000000;  end  //else if (TX_DATA_VALID == 8'h07) begin  //  TX_DATA = 64'h000000000077FFCC;  //end  else if (Append_last_bit == 1) begin//    TX_DATA = 64'h202020202077FFCC;    TX_DATA = 64'h000000000077FFCC;  end  else if (START_TX_BITS == 1) begin    TX_DATA = TX_DATA + 1;  end  else begin    TX_DATA = 64'h0000000000000001;  endendalways @(TX_DATA)begin  if (TX_DATA == 2) begin     TX_DATA_int[31:0] <= TX_DATA[31:0];     TX_DATA_int[47:32] <= 300;     TX_DATA_int[63:48] <= TX_DATA[63:48];  end   else begin     TX_DATA_int <= TX_DATA;  endendalways @(TX_ACK | TX_START)begin  if (TX_ACK) begin    START_TX_BITS = 1;  end  else if (TX_START) begin    START_TX_BITS = 0;  end end// Clock generatoralways begin  #5 TX_CLK= ~TX_CLK; // Toggle clock every 5 ticksend// Connect DUT to test benchTRANSMIT_TOP U_top_module (TX_DATA_int, TX_DATA_VALID, TX_CLK, RESET, TX_START, TX_ACK, TX_UNDERRUN, TX_IFG_DELAY,RXTXLINKFAULT, LOCALLINKFAULT,TX_STATS_VALID,TXSTATREGPLUS,TXD, TXC, FC_TRANS_PAUSEDATA, FC_TRANS_PAUSEVAL, FC_TX_PAUSEDATA, FC_TX_PAUSEVALID,TX_CFG_REG_VALUE,TX_CFG_REG_VALID);endmodule