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/*===========================================================================*/

/* Copyright (C) 2001 Authors                                                */

/*                                                                           */

/* This source file may be used and distributed without restriction provided */

/* that this copyright statement is not removed from the file and that any   */

/* derivative work contains the original copyright notice and the associated */

/* disclaimer.                                                               */

/*                                                                           */

/* This source file is free software; you can redistribute it and/or modify  */

/* it under the terms of the GNU Lesser General Public License as published  */

/* by the Free Software Foundation; either version 2.1 of the License, or    */

/* (at your option) any later version.                                       */

/*                                                                           */

/* This source is distributed in the hope that it will be useful, but WITHOUT*/

/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     */

/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public       */

/* License for more details.                                                 */

/*                                                                           */

/* You should have received a copy of the GNU Lesser General Public License  */

/* along with this source; if not, write to the Free Software Foundation,    */

/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA        */

/*                                                                           */

/*===========================================================================*/

/*                                  TIMER A                                  */

/*---------------------------------------------------------------------------*/

/* Test the timer A:                                                         */

/*                        - Check the timer capture unit.                    */

/*                                                                           */

/* Author(s):                                                                */

/*             - Olivier Girard,    olgirard@gmail.com                       */

/*                                                                           */

/*---------------------------------------------------------------------------*/

/* $Rev: 180 $                                                                */

/* $LastChangedBy: olivier.girard $                                          */

/* $LastChangedDate: 2013-02-25 22:23:18 +0100 (Mon, 25 Feb 2013) $          */

/*===========================================================================*/

integer my_counter;

always @ (posedge mclk)

  my_counter <=  my_counter+1;

wire [15:0] tar = timerA_0.tar;

initial

   begin

      $display(" ===============================================");

      $display("|                 START SIMULATION              |");

      $display(" ===============================================");

      repeat(5) @(posedge mclk);

      stimulus_done = 0;

`ifdef ASIC_CLOCKING

      $display(" ===============================================");

      $display("|               SIMULATION SKIPPED              |");

      $display("|   (this test is not supported in ASIC mode)   |");

      $display(" ===============================================");

      $finish;

`else

      // TIMER A TEST:  INPUT MUX (CCI)

      //--------------------------------------------------------

                                // --------- Comparator 0 ----------

      @(mem200 === 16'h0001);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0002);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0003);

      if (mem202 !== 16'h0008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - CCIxA =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - CCIxA =====");

      @(mem200 === 16'h0004);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0005);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0006);

      if (mem202 !== 16'h1008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - CCIxB =====");

      if (mem204 !== 16'h1000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - CCIxB =====");

      @(mem200 === 16'h0007);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0008);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0009);

      if (mem202 !== 16'h2000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - GND =====");

      if (mem204 !== 16'h2000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - GND =====");

      @(mem200 === 16'h000A);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h000B);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h000C);

      if (mem202 !== 16'h3008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - VDD =====");

      if (mem204 !== 16'h3008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 0 - VDD =====");

                                // --------- Comparator 1 ----------

      @(mem200 === 16'h0011);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0012);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0013);

      if (mem202 !== 16'h0008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - CCIxA =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - CCIxA =====");

      @(mem200 === 16'h0014);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0015);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0016);

      if (mem202 !== 16'h1008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - CCIxB =====");

      if (mem204 !== 16'h1000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - CCIxB =====");

      @(mem200 === 16'h0017);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0018);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0019);

      if (mem202 !== 16'h2000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - GND =====");

      if (mem204 !== 16'h2000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - GND =====");

      @(mem200 === 16'h001A);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h001B);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h001C);

      if (mem202 !== 16'h3008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - VDD =====");

      if (mem204 !== 16'h3008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 1 - VDD =====");

                                // --------- Comparator 2 ----------

      @(mem200 === 16'h0021);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0022);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0023);

      if (mem202 !== 16'h0008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - CCIxA =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - CCIxA =====");

      @(mem200 === 16'h0024);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0025);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0026);

      if (mem202 !== 16'h1008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - CCIxB =====");

      if (mem204 !== 16'h1000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - CCIxB =====");

      @(mem200 === 16'h0027);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h0028);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h0029);

      if (mem202 !== 16'h2000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - GND =====");

      if (mem204 !== 16'h2000) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - GND =====");

      @(mem200 === 16'h002A);

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      @(mem200 === 16'h002B);

      ta_cci0a = 1'b1;

      ta_cci0b = 1'b1;

      ta_cci1a = 1'b1;

      ta_cci1b = 1'b1;

      ta_cci2a = 1'b1;

      ta_cci2b = 1'b1;

      @(mem200 === 16'h002C);

      if (mem202 !== 16'h3008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - VDD =====");

      if (mem204 !== 16'h3008) tb_error("====== TIMER_A INPUT MUX: COMPARATOR 2 - VDD =====");

      ta_cci0a = 1'b0;

      ta_cci0b = 1'b0;

      ta_cci1a = 1'b0;

      ta_cci1b = 1'b0;

      ta_cci2a = 1'b0;

      ta_cci2b = 1'b0;

      // TIMER A TEST:  CAPTURE, EDGE SELECTION AND INTERRUPT

      //--------------------------------------------------------

      @(r15 === 16'h1000);

                                // --------- Comparator 0 ----------

      @(mem200 === 16'h0001);

      ta_cci0a = 1'b1;

      repeat(5) @(posedge mclk);

      if (irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: NO CAPTURE 1 =====");

      @(mem200 === 16'h0002);

      ta_cci0a = 1'b0;

      repeat(5) @(posedge mclk);

      if (irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: NO CAPTURE 2 =====");

      @(mem200 === 16'h0003);

      if (mem202 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: NO CAPTURE 3 =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: NO CAPTURE 4 =====");

      @(mem200 === 16'h0004);

      ta_cci0a = 1'b1;

      repeat(5) @(posedge mclk);

      if (!irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING EDGE 1 =====");

      @(mem200 === 16'h0005);

      ta_cci0a = 1'b0;

      repeat(5) @(posedge mclk);

      if (irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING EDGE 2 =====");

      @(mem200 === 16'h0006);

      if (mem202 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING EDGE 3 =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING EDGE 4 =====");

      @(mem200 === 16'h0007);

      ta_cci0a = 1'b1;

      repeat(5) @(posedge mclk);

      if (irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: FALLING EDGE 1 =====");

      @(mem200 === 16'h0008);

      ta_cci0a = 1'b0;

      repeat(5) @(posedge mclk);

      if (!irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: FALLING EDGE 2 =====");

      @(mem200 === 16'h0009);

      if (mem202 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: FALLING EDGE 3 =====");

      if (mem204 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: FALLING EDGE 4 =====");

      @(mem200 === 16'h000A);

      ta_cci0a = 1'b1;

      repeat(5) @(posedge mclk);

      if (!irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING/FALLING EDGE 1 =====");

      @(mem200 === 16'h000B);

      ta_cci0a = 1'b0;

      repeat(5) @(posedge mclk);

      if (!irq_ta0) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING/FALLING EDGE 2 =====");

      @(mem200 === 16'h000C);

      if (mem202 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING/FALLING EDGE 3 =====");

      if (mem204 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 0: RISING/FALLING EDGE 4 =====");

                                // --------- comparator 1 ----------

      @(mem200 === 16'h0001);

      ta_cci1a = 1'b1;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: NO CAPTURE 1 =====");

      @(mem200 === 16'h0002);

      ta_cci1a = 1'b0;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: NO CAPTURE 2 =====");

      @(mem200 === 16'h0003);

      if (mem202 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: NO CAPTURE 3 =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: NO CAPTURE 4 =====");

      @(mem200 === 16'h0004);

      ta_cci1a = 1'b1;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING EDGE 1 =====");

      @(mem200 === 16'h0005);

      ta_cci1a = 1'b0;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING EDGE 2 =====");

      @(mem200 === 16'h0006);

      if (mem202 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING EDGE 3 =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING EDGE 4 =====");

      @(mem200 === 16'h0007);

      ta_cci1a = 1'b1;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: FALLING EDGE 1 =====");

      @(mem200 === 16'h0008);

      ta_cci1a = 1'b0;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: FALLING EDGE 2 =====");

      @(mem200 === 16'h0009);

      if (mem202 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: FALLING EDGE 3 =====");

      if (mem204 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: FALLING EDGE 4 =====");

      @(mem200 === 16'h000A);

      ta_cci1a = 1'b1;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING/FALLING EDGE 1 =====");

      @(mem200 === 16'h000B);

      ta_cci1a = 1'b0;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING/FALLING EDGE 2 =====");

      @(mem200 === 16'h000C);

      if (mem202 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING/FALLING EDGE 3 =====");

      if (mem204 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 1: RISING/FALLING EDGE 4 =====");

                                // --------- comparator 2 ----------

      @(mem200 === 16'h0001);

      ta_cci2a = 1'b1;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: NO CAPTURE 1 =====");

      @(mem200 === 16'h0002);

      ta_cci2a = 1'b0;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: NO CAPTURE 2 =====");

      @(mem200 === 16'h0003);

      if (mem202 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: NO CAPTURE 3 =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: NO CAPTURE 4 =====");

      @(mem200 === 16'h0004);

      ta_cci2a = 1'b1;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING EDGE 1 =====");

      @(mem200 === 16'h0005);

      ta_cci2a = 1'b0;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING EDGE 2 =====");

      @(mem200 === 16'h0006);

      if (mem202 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING EDGE 3 =====");

      if (mem204 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING EDGE 4 =====");

      @(mem200 === 16'h0007);

      ta_cci2a = 1'b1;

      repeat(5) @(posedge mclk);

      if (irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: FALLING EDGE 1 =====");

      @(mem200 === 16'h0008);

      ta_cci2a = 1'b0;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: FALLING EDGE 2 =====");

      @(mem200 === 16'h0009);

      if (mem202 !== 16'h0000) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: FALLING EDGE 3 =====");

      if (mem204 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: FALLING EDGE 4 =====");

      @(mem200 === 16'h000A);

      ta_cci2a = 1'b1;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING/FALLING EDGE 1 =====");

      @(mem200 === 16'h000B);

      ta_cci2a = 1'b0;

      repeat(5) @(posedge mclk);

      if (!irq_ta1) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING/FALLING EDGE 2 =====");

      @(mem200 === 16'h000C);

      if (mem202 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING/FALLING EDGE 3 =====");

      if (mem204 !== 16'h1234) tb_error("====== TIMER_A CAPTURE, EDGE SELECTION AND INTERRUPT COMPARATOR 2: RISING/FALLING EDGE 4 =====");

      // TIMER A TEST:  CAPTURE OVERFLOW

      //--------------------------------------------------------

      @(r15 === 16'h2000);

                                // --------- Comparator 0 ----------

      @(mem200 === 16'h0001);

      ta_cci0a = 1'b1;

      @(mem200 === 16'h0002);

      ta_cci0a = 1'b0;

      @(mem200 === 16'h0003);

      if (mem202 !== 16'hC008) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 0 =====");

      if (mem204 !== 16'hC002) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 0 =====");

      @(mem200 === 16'h0004);

      ta_cci0a = 1'b1;

      @(mem200 === 16'h0005);

      ta_cci0a = 1'b0;

      @(mem200 === 16'h0006);

      if (mem202 !== 16'hC008) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 0 =====");

      if (mem204 !== 16'hC000) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 0 =====");

                                // --------- Comparator 1 ----------

      @(mem200 === 16'h0001);

      ta_cci1a = 1'b1;

      @(mem200 === 16'h0002);

      ta_cci1a = 1'b0;

      @(mem200 === 16'h0003);

      if (mem202 !== 16'hC008) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 1 =====");

      if (mem204 !== 16'hC002) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 1 =====");

      @(mem200 === 16'h0004);

      ta_cci1a = 1'b1;

      @(mem200 === 16'h0005);

      ta_cci1a = 1'b0;

      @(mem200 === 16'h0006);

      if (mem202 !== 16'hC008) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 1 =====");

      if (mem204 !== 16'hC000) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 1 =====");

                                // --------- Comparator 2 ----------

      @(mem200 === 16'h0001);

      ta_cci2a = 1'b1;

      @(mem200 === 16'h0002);

      ta_cci2a = 1'b0;

      @(mem200 === 16'h0003);

      if (mem202 !== 16'hC008) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 2 =====");

      if (mem204 !== 16'hC002) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 2 =====");

      @(mem200 === 16'h0004);

      ta_cci2a = 1'b1;

      @(mem200 === 16'h0005);

      ta_cci2a = 1'b0;

      @(mem200 === 16'h0006);

      if (mem202 !== 16'hC008) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 2 =====");

      if (mem204 !== 16'hC000) tb_error("====== TIMER_A CAPTURE OVERFLOW: COMPARATOR 2 =====");

`endif

      stimulus_done = 1;

   end