| 1 | 2 | olivier.gi | /*===========================================================================*/
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         | 2 |  |  | /* Copyright (C) 2001 Authors                                                */
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         | 3 |  |  | /*                                                                           */
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         | 4 |  |  | /* This source file may be used and distributed without restriction provided */
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         | 5 |  |  | /* that this copyright statement is not removed from the file and that any   */
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         | 6 |  |  | /* derivative work contains the original copyright notice and the associated */
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         | 7 |  |  | /* disclaimer.                                                               */
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         | 8 |  |  | /*                                                                           */
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         | 9 |  |  | /* This source file is free software; you can redistribute it and/or modify  */
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         | 10 |  |  | /* it under the terms of the GNU Lesser General Public License as published  */
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         | 11 |  |  | /* by the Free Software Foundation; either version 2.1 of the License, or    */
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         | 12 |  |  | /* (at your option) any later version.                                       */
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         | 13 |  |  | /*                                                                           */
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         | 14 |  |  | /* This source is distributed in the hope that it will be useful, but WITHOUT*/
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         | 15 |  |  | /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     */
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         | 16 |  |  | /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public       */
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         | 17 |  |  | /* License for more details.                                                 */
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         | 18 |  |  | /*                                                                           */
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         | 19 |  |  | /* You should have received a copy of the GNU Lesser General Public License  */
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         | 20 |  |  | /* along with this source; if not, write to the Free Software Foundation,    */
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         | 21 |  |  | /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA        */
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         | 22 |  |  | /*                                                                           */
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         | 23 |  |  | /*===========================================================================*/
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         | 24 |  |  | /*                                 DIGITAL I/O                               */
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         | 25 |  |  | /*---------------------------------------------------------------------------*/
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         | 26 |  |  | /* Test the Digital I/O interface:                                           */
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         | 27 |  |  | /*                                   - Read/Write register access.           */
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         | 28 |  |  | /*                                   - I/O Functionality.                    */
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         | 29 | 18 | olivier.gi | /*                                                                           */
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         | 30 |  |  | /* Author(s):                                                                */
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         | 31 |  |  | /*             - Olivier Girard,    olgirard@gmail.com                       */
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         | 32 |  |  | /*                                                                           */
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         | 33 |  |  | /*---------------------------------------------------------------------------*/
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         | 34 | 19 | olivier.gi | /* $Rev: 19 $                                                                */
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         | 35 |  |  | /* $LastChangedBy: olivier.girard $                                          */
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         | 36 |  |  | /* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $          */
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         | 37 | 2 | olivier.gi | /*===========================================================================*/
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         | 38 |  |  |  
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         | 39 |  |  | initial
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         | 40 |  |  |    begin
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         | 41 |  |  |       $display(" ===============================================");
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         | 42 |  |  |       $display("|                 START SIMULATION              |");
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         | 43 |  |  |       $display(" ===============================================");
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         | 44 |  |  |       repeat(5) @(posedge mclk);
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         | 45 |  |  |       stimulus_done = 0;
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         | 46 |  |  |  
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         | 47 |  |  |       // PORT 1: TEST RD/WR REGISTER ACCESS
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         | 48 |  |  |       //--------------------------------------------------------
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         | 49 |  |  |       @(r15==16'h0001);
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         | 50 |  |  |  
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         | 51 |  |  |       if (mem200 !== 16'h0000) tb_error("====== P1IN  != 0x0000 =====");
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         | 52 |  |  |       if (mem202 !== 16'h55aa) tb_error("====== P1OUT != 0x55aa =====");
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         | 53 |  |  |       if (mem204 !== 16'ha55a) tb_error("====== P1DIR != 0xa55a =====");
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         | 54 |  |  |       if (mem206 !== 16'haa55) tb_error("====== P1IFG != 0xaa55 =====");
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         | 55 |  |  |       if (mem208 !== 16'h5aa5) tb_error("====== P1IES != 0x5aa5 =====");
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         | 56 |  |  |       if (mem20A !== 16'h55aa) tb_error("====== P1IE  != 0x55aa =====");
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         | 57 |  |  |       if (mem20C !== 16'h32cd) tb_error("====== P1SEL != 0x32cd =====");
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         | 58 |  |  |  
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         | 59 |  |  |  
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         | 60 |  |  |       // PORT 2: TEST RD/WR REGISTER ACCESS
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         | 61 |  |  |       //--------------------------------------------------------
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         | 62 |  |  |       @(r15==16'h0002);
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         | 63 |  |  |  
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         | 64 |  |  |       if (mem210 !== 16'h0000) tb_error("====== P2IN  != 0x0000 =====");
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         | 65 |  |  |       if (mem212 !== 16'h55aa) tb_error("====== P2OUT != 0x55aa =====");
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         | 66 |  |  |       if (mem214 !== 16'ha55a) tb_error("====== P2DIR != 0xa55a =====");
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         | 67 |  |  |       if (mem216 !== 16'haa55) tb_error("====== P2IFG != 0xaa55 =====");
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         | 68 |  |  |       if (mem218 !== 16'h5aa5) tb_error("====== P2IES != 0x5aa5 =====");
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         | 69 |  |  |       if (mem21A !== 16'h55aa) tb_error("====== P2IE  != 0x55aa =====");
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         | 70 |  |  |       if (mem21C !== 16'h32cd) tb_error("====== P2SEL != 0x32cd =====");
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         | 71 |  |  |  
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         | 72 |  |  |  
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         | 73 |  |  |       // PORT 3: TEST RD/WR REGISTER ACCESS
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         | 74 |  |  |       //--------------------------------------------------------
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         | 75 |  |  |       @(r15==16'h0003);
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         | 76 |  |  |  
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         | 77 |  |  |       if (mem220 !== 16'h0000) tb_error("====== P3IN  != 0x0000 =====");
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         | 78 |  |  |       if (mem222 !== 16'h55aa) tb_error("====== P3OUT != 0x55aa =====");
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         | 79 |  |  |       if (mem224 !== 16'ha55a) tb_error("====== P3DIR != 0xa55a =====");
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         | 80 |  |  |       if (mem226 !== 16'h32cd) tb_error("====== P3SEL != 0x32cd =====");
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         | 81 |  |  |  
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         | 82 |  |  |  
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         | 83 |  |  |       // PORT 4: TEST RD/WR REGISTER ACCESS
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         | 84 |  |  |       //--------------------------------------------------------
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         | 85 |  |  |       @(r15==16'h0004);
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         | 86 |  |  |  
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         | 87 |  |  |       if (mem230 !== 16'h0000) tb_error("====== P4IN  != 0x0000 =====");
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         | 88 |  |  |       if (mem232 !== 16'h55aa) tb_error("====== P4OUT != 0x55aa =====");
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         | 89 |  |  |       if (mem234 !== 16'ha55a) tb_error("====== P4DIR != 0xa55a =====");
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         | 90 |  |  |       if (mem236 !== 16'h32cd) tb_error("====== P4SEL != 0x32cd =====");
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         | 91 |  |  |  
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         | 92 |  |  |  
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         | 93 |  |  |       // PORT 5: TEST RD/WR REGISTER ACCESS
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         | 94 |  |  |       //--------------------------------------------------------
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         | 95 |  |  |       @(r15==16'h0005);
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         | 96 |  |  |  
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         | 97 |  |  |       if (mem240 !== 16'h0000) tb_error("====== P5IN  != 0x0000 =====");
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         | 98 |  |  |       if (mem242 !== 16'h55aa) tb_error("====== P5OUT != 0x55aa =====");
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         | 99 |  |  |       if (mem244 !== 16'ha55a) tb_error("====== P5DIR != 0xa55a =====");
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         | 100 |  |  |       if (mem246 !== 16'h32cd) tb_error("====== P5SEL != 0x32cd =====");
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         | 101 |  |  |  
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         | 102 |  |  |  
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         | 103 |  |  |       // PORT 6: TEST RD/WR REGISTER ACCESS
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         | 104 |  |  |       //--------------------------------------------------------
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         | 105 |  |  |       @(r15==16'h0006);
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         | 106 |  |  |  
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         | 107 |  |  |       if (mem250 !== 16'h0000) tb_error("====== P6IN  != 0x0000 =====");
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         | 108 |  |  |       if (mem252 !== 16'h55aa) tb_error("====== P6OUT != 0x55aa =====");
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         | 109 |  |  |       if (mem254 !== 16'ha55a) tb_error("====== P6DIR != 0xa55a =====");
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         | 110 |  |  |       if (mem256 !== 16'h32cd) tb_error("====== P6SEL != 0x32cd =====");
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         | 111 |  |  |  
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         | 112 |  |  |  
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         | 113 |  |  |       // PORT 1: TEST I/O FUNCTIONALITY
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         | 114 |  |  |       //--------------------------------------------------------
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         | 115 |  |  |  
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         | 116 |  |  |       @(r15==16'h0200) p1_din = 8'h01;
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         | 117 |  |  |       @(r15==16'h0201) p1_din = 8'h02;
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         | 118 |  |  |       @(r15==16'h0202) p1_din = 8'h04;
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         | 119 |  |  |       @(r15==16'h0203) p1_din = 8'h08;
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         | 120 |  |  |       @(r15==16'h0204) p1_din = 8'h10;
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         | 121 |  |  |       @(r15==16'h0205) p1_din = 8'h20;
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         | 122 |  |  |       @(r15==16'h0206) p1_din = 8'h40;
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         | 123 |  |  |       @(r15==16'h0207) p1_din = 8'h80;
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         | 124 |  |  |       @(r15==16'h0208);
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         | 125 |  |  |       if (mem200 !== 16'h0201) tb_error("====== P1IN  != 0x0201 =====");
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         | 126 |  |  |       if (mem202 !== 16'h0804) tb_error("====== P1IN  != 0x0804 =====");
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         | 127 |  |  |       if (mem204 !== 16'h2010) tb_error("====== P1IN  != 0x2010 =====");
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         | 128 |  |  |       if (mem206 !== 16'h8040) tb_error("====== P1IN  != 0x8040 =====");
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         | 129 |  |  |  
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         | 130 |  |  |       @(r15==16'h1100);
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         | 131 |  |  |       if (p1_dout !== 8'h01) tb_error("====== P1DOUT  != 0x01 =====");
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         | 132 |  |  |       @(r15==16'h1101);
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         | 133 |  |  |       if (p1_dout !== 8'h02) tb_error("====== P1DOUT  != 0x02 =====");
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         | 134 |  |  |       @(r15==16'h1102);
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         | 135 |  |  |       if (p1_dout !== 8'h04) tb_error("====== P1DOUT  != 0x04 =====");
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         | 136 |  |  |       @(r15==16'h1103);
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         | 137 |  |  |       if (p1_dout !== 8'h08) tb_error("====== P1DOUT  != 0x08 =====");
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         | 138 |  |  |       @(r15==16'h1104);
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         | 139 |  |  |       if (p1_dout !== 8'h10) tb_error("====== P1DOUT  != 0x10 =====");
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         | 140 |  |  |       @(r15==16'h1105);
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         | 141 |  |  |       if (p1_dout !== 8'h20) tb_error("====== P1DOUT  != 0x20 =====");
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         | 142 |  |  |       @(r15==16'h1106);
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         | 143 |  |  |       if (p1_dout !== 8'h40) tb_error("====== P1DOUT  != 0x40 =====");
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         | 144 |  |  |       @(r15==16'h1107);
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         | 145 |  |  |       if (p1_dout !== 8'h80) tb_error("====== P1DOUT  != 0x80 =====");
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         | 146 |  |  |  
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         | 147 |  |  |       @(r15==16'h1200);
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         | 148 |  |  |       if (p1_dout_en !== 8'h01) tb_error("====== P1DIR  != 0x01 =====");
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         | 149 |  |  |       @(r15==16'h1201);
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         | 150 |  |  |       if (p1_dout_en !== 8'h02) tb_error("====== P1DIR  != 0x02 =====");
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         | 151 |  |  |       @(r15==16'h1202);
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         | 152 |  |  |       if (p1_dout_en !== 8'h04) tb_error("====== P1DIR  != 0x04 =====");
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         | 153 |  |  |       @(r15==16'h1203);
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         | 154 |  |  |       if (p1_dout_en !== 8'h08) tb_error("====== P1DIR  != 0x08 =====");
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         | 155 |  |  |       @(r15==16'h1204);
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         | 156 |  |  |       if (p1_dout_en !== 8'h10) tb_error("====== P1DIR  != 0x10 =====");
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         | 157 |  |  |       @(r15==16'h1205);
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         | 158 |  |  |       if (p1_dout_en !== 8'h20) tb_error("====== P1DIR  != 0x20 =====");
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         | 159 |  |  |       @(r15==16'h1206);
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         | 160 |  |  |       if (p1_dout_en !== 8'h40) tb_error("====== P1DIR  != 0x40 =====");
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         | 161 |  |  |       @(r15==16'h1207);
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         | 162 |  |  |       if (p1_dout_en !== 8'h80) tb_error("====== P1DIR  != 0x80 =====");
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         | 163 |  |  |  
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         | 164 |  |  |       @(r15==16'h1300);
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         | 165 |  |  |       if (p1_sel !== 8'h01) tb_error("====== P1SEL  != 0x01 =====");
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         | 166 |  |  |       @(r15==16'h1301);
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         | 167 |  |  |       if (p1_sel !== 8'h02) tb_error("====== P1SEL  != 0x02 =====");
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         | 168 |  |  |       @(r15==16'h1302);
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         | 169 |  |  |       if (p1_sel !== 8'h04) tb_error("====== P1SEL  != 0x04 =====");
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         | 170 |  |  |       @(r15==16'h1303);
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         | 171 |  |  |       if (p1_sel !== 8'h08) tb_error("====== P1SEL  != 0x08 =====");
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         | 172 |  |  |       @(r15==16'h1304);
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         | 173 |  |  |       if (p1_sel !== 8'h10) tb_error("====== P1SEL  != 0x10 =====");
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         | 174 |  |  |       @(r15==16'h1305);
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         | 175 |  |  |       if (p1_sel !== 8'h20) tb_error("====== P1SEL  != 0x20 =====");
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         | 176 |  |  |       @(r15==16'h1306);
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         | 177 |  |  |       if (p1_sel !== 8'h40) tb_error("====== P1SEL  != 0x40 =====");
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         | 178 |  |  |       @(r15==16'h1307);
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         | 179 |  |  |       if (p1_sel !== 8'h80) tb_error("====== P1SEL  != 0x80 =====");
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         | 180 |  |  |  
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         | 181 |  |  |  
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         | 182 |  |  |       // PORT 2: TEST I/O FUNCTIONALITY
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         | 183 |  |  |       //--------------------------------------------------------
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         | 184 |  |  |  
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         | 185 |  |  |       @(r15==16'h0210) p2_din = 8'h01;
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         | 186 |  |  |       @(r15==16'h0211) p2_din = 8'h02;
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         | 187 |  |  |       @(r15==16'h0212) p2_din = 8'h04;
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         | 188 |  |  |       @(r15==16'h0213) p2_din = 8'h08;
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         | 189 |  |  |       @(r15==16'h0214) p2_din = 8'h10;
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         | 190 |  |  |       @(r15==16'h0215) p2_din = 8'h20;
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         | 191 |  |  |       @(r15==16'h0216) p2_din = 8'h40;
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         | 192 |  |  |       @(r15==16'h0217) p2_din = 8'h80;
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         | 193 |  |  |       @(r15==16'h0218);
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         | 194 |  |  |       if (mem210 !== 16'h0201) tb_error("====== P2IN  != 0x0201 =====");
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         | 195 |  |  |       if (mem212 !== 16'h0804) tb_error("====== P2IN  != 0x0804 =====");
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         | 196 |  |  |       if (mem214 !== 16'h2010) tb_error("====== P2IN  != 0x2010 =====");
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         | 197 |  |  |       if (mem216 !== 16'h8040) tb_error("====== P2IN  != 0x8040 =====");
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         | 198 |  |  |  
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         | 199 |  |  |       @(r15==16'h2100);
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         | 200 |  |  |       if (p2_dout !== 8'h01) tb_error("====== P2DOUT  != 0x01 =====");
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         | 201 |  |  |       @(r15==16'h2101);
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         | 202 |  |  |       if (p2_dout !== 8'h02) tb_error("====== P2DOUT  != 0x02 =====");
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         | 203 |  |  |       @(r15==16'h2102);
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         | 204 |  |  |       if (p2_dout !== 8'h04) tb_error("====== P2DOUT  != 0x04 =====");
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         | 205 |  |  |       @(r15==16'h2103);
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         | 206 |  |  |       if (p2_dout !== 8'h08) tb_error("====== P2DOUT  != 0x08 =====");
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         | 207 |  |  |       @(r15==16'h2104);
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         | 208 |  |  |       if (p2_dout !== 8'h10) tb_error("====== P2DOUT  != 0x10 =====");
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         | 209 |  |  |       @(r15==16'h2105);
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         | 210 |  |  |       if (p2_dout !== 8'h20) tb_error("====== P2DOUT  != 0x20 =====");
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         | 211 |  |  |       @(r15==16'h2106);
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         | 212 |  |  |       if (p2_dout !== 8'h40) tb_error("====== P2DOUT  != 0x40 =====");
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         | 213 |  |  |       @(r15==16'h2107);
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         | 214 |  |  |       if (p2_dout !== 8'h80) tb_error("====== P2DOUT  != 0x80 =====");
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         | 215 |  |  |  
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         | 216 |  |  |       @(r15==16'h2200);
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         | 217 |  |  |       if (p2_dout_en !== 8'h01) tb_error("====== P2DIR  != 0x01 =====");
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         | 218 |  |  |       @(r15==16'h2201);
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         | 219 |  |  |       if (p2_dout_en !== 8'h02) tb_error("====== P2DIR  != 0x02 =====");
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         | 220 |  |  |       @(r15==16'h2202);
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         | 221 |  |  |       if (p2_dout_en !== 8'h04) tb_error("====== P2DIR  != 0x04 =====");
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         | 222 |  |  |       @(r15==16'h2203);
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         | 223 |  |  |       if (p2_dout_en !== 8'h08) tb_error("====== P2DIR  != 0x08 =====");
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         | 224 |  |  |       @(r15==16'h2204);
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         | 225 |  |  |       if (p2_dout_en !== 8'h10) tb_error("====== P2DIR  != 0x10 =====");
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         | 226 |  |  |       @(r15==16'h2205);
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         | 227 |  |  |       if (p2_dout_en !== 8'h20) tb_error("====== P2DIR  != 0x20 =====");
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         | 228 |  |  |       @(r15==16'h2206);
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         | 229 |  |  |       if (p2_dout_en !== 8'h40) tb_error("====== P2DIR  != 0x40 =====");
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         | 230 |  |  |       @(r15==16'h2207);
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         | 231 |  |  |       if (p2_dout_en !== 8'h80) tb_error("====== P2DIR  != 0x80 =====");
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         | 232 |  |  |  
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         | 233 |  |  |       @(r15==16'h2300);
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         | 234 |  |  |       if (p2_sel !== 8'h01) tb_error("====== P2SEL  != 0x01 =====");
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         | 235 |  |  |       @(r15==16'h2301);
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         | 236 |  |  |       if (p2_sel !== 8'h02) tb_error("====== P2SEL  != 0x02 =====");
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         | 237 |  |  |       @(r15==16'h2302);
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         | 238 |  |  |       if (p2_sel !== 8'h04) tb_error("====== P2SEL  != 0x04 =====");
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         | 239 |  |  |       @(r15==16'h2303);
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         | 240 |  |  |       if (p2_sel !== 8'h08) tb_error("====== P2SEL  != 0x08 =====");
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         | 241 |  |  |       @(r15==16'h2304);
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         | 242 |  |  |       if (p2_sel !== 8'h10) tb_error("====== P2SEL  != 0x10 =====");
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         | 243 |  |  |       @(r15==16'h2305);
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         | 244 |  |  |       if (p2_sel !== 8'h20) tb_error("====== P2SEL  != 0x20 =====");
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         | 245 |  |  |       @(r15==16'h2306);
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         | 246 |  |  |       if (p2_sel !== 8'h40) tb_error("====== P2SEL  != 0x40 =====");
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         | 247 |  |  |       @(r15==16'h2307);
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         | 248 |  |  |       if (p2_sel !== 8'h80) tb_error("====== P2SEL  != 0x80 =====");
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         | 249 |  |  |  
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         | 250 |  |  |  
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         | 251 |  |  |       // PORT 3: TEST I/O FUNCTIONALITY
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         | 252 |  |  |       //--------------------------------------------------------
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         | 253 |  |  |  
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         | 254 |  |  |       @(r15==16'h0220) p3_din = 8'h01;
 | 
      
         | 255 |  |  |       @(r15==16'h0221) p3_din = 8'h02;
 | 
      
         | 256 |  |  |       @(r15==16'h0222) p3_din = 8'h04;
 | 
      
         | 257 |  |  |       @(r15==16'h0223) p3_din = 8'h08;
 | 
      
         | 258 |  |  |       @(r15==16'h0224) p3_din = 8'h10;
 | 
      
         | 259 |  |  |       @(r15==16'h0225) p3_din = 8'h20;
 | 
      
         | 260 |  |  |       @(r15==16'h0226) p3_din = 8'h40;
 | 
      
         | 261 |  |  |       @(r15==16'h0227) p3_din = 8'h80;
 | 
      
         | 262 |  |  |       @(r15==16'h0228);
 | 
      
         | 263 |  |  |       if (mem220 !== 16'h0201) tb_error("====== P3IN  != 0x0201 =====");
 | 
      
         | 264 |  |  |       if (mem222 !== 16'h0804) tb_error("====== P3IN  != 0x0804 =====");
 | 
      
         | 265 |  |  |       if (mem224 !== 16'h2010) tb_error("====== P3IN  != 0x2010 =====");
 | 
      
         | 266 |  |  |       if (mem226 !== 16'h8040) tb_error("====== P3IN  != 0x8040 =====");
 | 
      
         | 267 |  |  |  
 | 
      
         | 268 |  |  |       @(r15==16'h3100);
 | 
      
         | 269 |  |  |       if (p3_dout !== 8'h01) tb_error("====== P3DOUT  != 0x01 =====");
 | 
      
         | 270 |  |  |       @(r15==16'h3101);
 | 
      
         | 271 |  |  |       if (p3_dout !== 8'h02) tb_error("====== P3DOUT  != 0x02 =====");
 | 
      
         | 272 |  |  |       @(r15==16'h3102);
 | 
      
         | 273 |  |  |       if (p3_dout !== 8'h04) tb_error("====== P3DOUT  != 0x04 =====");
 | 
      
         | 274 |  |  |       @(r15==16'h3103);
 | 
      
         | 275 |  |  |       if (p3_dout !== 8'h08) tb_error("====== P3DOUT  != 0x08 =====");
 | 
      
         | 276 |  |  |       @(r15==16'h3104);
 | 
      
         | 277 |  |  |       if (p3_dout !== 8'h10) tb_error("====== P3DOUT  != 0x10 =====");
 | 
      
         | 278 |  |  |       @(r15==16'h3105);
 | 
      
         | 279 |  |  |       if (p3_dout !== 8'h20) tb_error("====== P3DOUT  != 0x20 =====");
 | 
      
         | 280 |  |  |       @(r15==16'h3106);
 | 
      
         | 281 |  |  |       if (p3_dout !== 8'h40) tb_error("====== P3DOUT  != 0x40 =====");
 | 
      
         | 282 |  |  |       @(r15==16'h3107);
 | 
      
         | 283 |  |  |       if (p3_dout !== 8'h80) tb_error("====== P3DOUT  != 0x80 =====");
 | 
      
         | 284 |  |  |  
 | 
      
         | 285 |  |  |       @(r15==16'h3200);
 | 
      
         | 286 |  |  |       if (p3_dout_en !== 8'h01) tb_error("====== P3DIR  != 0x01 =====");
 | 
      
         | 287 |  |  |       @(r15==16'h3201);
 | 
      
         | 288 |  |  |       if (p3_dout_en !== 8'h02) tb_error("====== P3DIR  != 0x02 =====");
 | 
      
         | 289 |  |  |       @(r15==16'h3202);
 | 
      
         | 290 |  |  |       if (p3_dout_en !== 8'h04) tb_error("====== P3DIR  != 0x04 =====");
 | 
      
         | 291 |  |  |       @(r15==16'h3203);
 | 
      
         | 292 |  |  |       if (p3_dout_en !== 8'h08) tb_error("====== P3DIR  != 0x08 =====");
 | 
      
         | 293 |  |  |       @(r15==16'h3204);
 | 
      
         | 294 |  |  |       if (p3_dout_en !== 8'h10) tb_error("====== P3DIR  != 0x10 =====");
 | 
      
         | 295 |  |  |       @(r15==16'h3205);
 | 
      
         | 296 |  |  |       if (p3_dout_en !== 8'h20) tb_error("====== P3DIR  != 0x20 =====");
 | 
      
         | 297 |  |  |       @(r15==16'h3206);
 | 
      
         | 298 |  |  |       if (p3_dout_en !== 8'h40) tb_error("====== P3DIR  != 0x40 =====");
 | 
      
         | 299 |  |  |       @(r15==16'h3207);
 | 
      
         | 300 |  |  |       if (p3_dout_en !== 8'h80) tb_error("====== P3DIR  != 0x80 =====");
 | 
      
         | 301 |  |  |  
 | 
      
         | 302 |  |  |       @(r15==16'h3300);
 | 
      
         | 303 |  |  |       if (p3_sel !== 8'h01) tb_error("====== P3SEL  != 0x01 =====");
 | 
      
         | 304 |  |  |       @(r15==16'h3301);
 | 
      
         | 305 |  |  |       if (p3_sel !== 8'h02) tb_error("====== P3SEL  != 0x02 =====");
 | 
      
         | 306 |  |  |       @(r15==16'h3302);
 | 
      
         | 307 |  |  |       if (p3_sel !== 8'h04) tb_error("====== P3SEL  != 0x04 =====");
 | 
      
         | 308 |  |  |       @(r15==16'h3303);
 | 
      
         | 309 |  |  |       if (p3_sel !== 8'h08) tb_error("====== P3SEL  != 0x08 =====");
 | 
      
         | 310 |  |  |       @(r15==16'h3304);
 | 
      
         | 311 |  |  |       if (p3_sel !== 8'h10) tb_error("====== P3SEL  != 0x10 =====");
 | 
      
         | 312 |  |  |       @(r15==16'h3305);
 | 
      
         | 313 |  |  |       if (p3_sel !== 8'h20) tb_error("====== P3SEL  != 0x20 =====");
 | 
      
         | 314 |  |  |       @(r15==16'h3306);
 | 
      
         | 315 |  |  |       if (p3_sel !== 8'h40) tb_error("====== P3SEL  != 0x40 =====");
 | 
      
         | 316 |  |  |       @(r15==16'h3307);
 | 
      
         | 317 |  |  |       if (p3_sel !== 8'h80) tb_error("====== P3SEL  != 0x80 =====");
 | 
      
         | 318 |  |  |  
 | 
      
         | 319 |  |  |  
 | 
      
         | 320 |  |  |       // PORT 4: TEST I/O FUNCTIONALITY
 | 
      
         | 321 |  |  |       //--------------------------------------------------------
 | 
      
         | 322 |  |  |  
 | 
      
         | 323 |  |  |       @(r15==16'h0230) p4_din = 8'h01;
 | 
      
         | 324 |  |  |       @(r15==16'h0231) p4_din = 8'h02;
 | 
      
         | 325 |  |  |       @(r15==16'h0232) p4_din = 8'h04;
 | 
      
         | 326 |  |  |       @(r15==16'h0233) p4_din = 8'h08;
 | 
      
         | 327 |  |  |       @(r15==16'h0234) p4_din = 8'h10;
 | 
      
         | 328 |  |  |       @(r15==16'h0235) p4_din = 8'h20;
 | 
      
         | 329 |  |  |       @(r15==16'h0236) p4_din = 8'h40;
 | 
      
         | 330 |  |  |       @(r15==16'h0237) p4_din = 8'h80;
 | 
      
         | 331 |  |  |       @(r15==16'h0238);
 | 
      
         | 332 |  |  |       if (mem230 !== 16'h0201) tb_error("====== P4IN  != 0x0201 =====");
 | 
      
         | 333 |  |  |       if (mem232 !== 16'h0804) tb_error("====== P4IN  != 0x0804 =====");
 | 
      
         | 334 |  |  |       if (mem234 !== 16'h2010) tb_error("====== P4IN  != 0x2010 =====");
 | 
      
         | 335 |  |  |       if (mem236 !== 16'h8040) tb_error("====== P4IN  != 0x8040 =====");
 | 
      
         | 336 |  |  |  
 | 
      
         | 337 |  |  |       @(r15==16'h4100);
 | 
      
         | 338 |  |  |       if (p4_dout !== 8'h01) tb_error("====== P4DOUT  != 0x01 =====");
 | 
      
         | 339 |  |  |       @(r15==16'h4101);
 | 
      
         | 340 |  |  |       if (p4_dout !== 8'h02) tb_error("====== P4DOUT  != 0x02 =====");
 | 
      
         | 341 |  |  |       @(r15==16'h4102);
 | 
      
         | 342 |  |  |       if (p4_dout !== 8'h04) tb_error("====== P4DOUT  != 0x04 =====");
 | 
      
         | 343 |  |  |       @(r15==16'h4103);
 | 
      
         | 344 |  |  |       if (p4_dout !== 8'h08) tb_error("====== P4DOUT  != 0x08 =====");
 | 
      
         | 345 |  |  |       @(r15==16'h4104);
 | 
      
         | 346 |  |  |       if (p4_dout !== 8'h10) tb_error("====== P4DOUT  != 0x10 =====");
 | 
      
         | 347 |  |  |       @(r15==16'h4105);
 | 
      
         | 348 |  |  |       if (p4_dout !== 8'h20) tb_error("====== P4DOUT  != 0x20 =====");
 | 
      
         | 349 |  |  |       @(r15==16'h4106);
 | 
      
         | 350 |  |  |       if (p4_dout !== 8'h40) tb_error("====== P4DOUT  != 0x40 =====");
 | 
      
         | 351 |  |  |       @(r15==16'h4107);
 | 
      
         | 352 |  |  |       if (p4_dout !== 8'h80) tb_error("====== P4DOUT  != 0x80 =====");
 | 
      
         | 353 |  |  |  
 | 
      
         | 354 |  |  |       @(r15==16'h4200);
 | 
      
         | 355 |  |  |       if (p4_dout_en !== 8'h01) tb_error("====== P4DIR  != 0x01 =====");
 | 
      
         | 356 |  |  |       @(r15==16'h4201);
 | 
      
         | 357 |  |  |       if (p4_dout_en !== 8'h02) tb_error("====== P4DIR  != 0x02 =====");
 | 
      
         | 358 |  |  |       @(r15==16'h4202);
 | 
      
         | 359 |  |  |       if (p4_dout_en !== 8'h04) tb_error("====== P4DIR  != 0x04 =====");
 | 
      
         | 360 |  |  |       @(r15==16'h4203);
 | 
      
         | 361 |  |  |       if (p4_dout_en !== 8'h08) tb_error("====== P4DIR  != 0x08 =====");
 | 
      
         | 362 |  |  |       @(r15==16'h4204);
 | 
      
         | 363 |  |  |       if (p4_dout_en !== 8'h10) tb_error("====== P4DIR  != 0x10 =====");
 | 
      
         | 364 |  |  |       @(r15==16'h4205);
 | 
      
         | 365 |  |  |       if (p4_dout_en !== 8'h20) tb_error("====== P4DIR  != 0x20 =====");
 | 
      
         | 366 |  |  |       @(r15==16'h4206);
 | 
      
         | 367 |  |  |       if (p4_dout_en !== 8'h40) tb_error("====== P4DIR  != 0x40 =====");
 | 
      
         | 368 |  |  |       @(r15==16'h4207);
 | 
      
         | 369 |  |  |       if (p4_dout_en !== 8'h80) tb_error("====== P4DIR  != 0x80 =====");
 | 
      
         | 370 |  |  |  
 | 
      
         | 371 |  |  |       @(r15==16'h4300);
 | 
      
         | 372 |  |  |       if (p4_sel !== 8'h01) tb_error("====== P4SEL  != 0x01 =====");
 | 
      
         | 373 |  |  |       @(r15==16'h4301);
 | 
      
         | 374 |  |  |       if (p4_sel !== 8'h02) tb_error("====== P4SEL  != 0x02 =====");
 | 
      
         | 375 |  |  |       @(r15==16'h4302);
 | 
      
         | 376 |  |  |       if (p4_sel !== 8'h04) tb_error("====== P4SEL  != 0x04 =====");
 | 
      
         | 377 |  |  |       @(r15==16'h4303);
 | 
      
         | 378 |  |  |       if (p4_sel !== 8'h08) tb_error("====== P4SEL  != 0x08 =====");
 | 
      
         | 379 |  |  |       @(r15==16'h4304);
 | 
      
         | 380 |  |  |       if (p4_sel !== 8'h10) tb_error("====== P4SEL  != 0x10 =====");
 | 
      
         | 381 |  |  |       @(r15==16'h4305);
 | 
      
         | 382 |  |  |       if (p4_sel !== 8'h20) tb_error("====== P4SEL  != 0x20 =====");
 | 
      
         | 383 |  |  |       @(r15==16'h4306);
 | 
      
         | 384 |  |  |       if (p4_sel !== 8'h40) tb_error("====== P4SEL  != 0x40 =====");
 | 
      
         | 385 |  |  |       @(r15==16'h4307);
 | 
      
         | 386 |  |  |       if (p4_sel !== 8'h80) tb_error("====== P4SEL  != 0x80 =====");
 | 
      
         | 387 |  |  |  
 | 
      
         | 388 |  |  |  
 | 
      
         | 389 |  |  |       // PORT 5: TEST I/O FUNCTIONALITY
 | 
      
         | 390 |  |  |       //--------------------------------------------------------
 | 
      
         | 391 |  |  |  
 | 
      
         | 392 |  |  |       @(r15==16'h0240) p5_din = 8'h01;
 | 
      
         | 393 |  |  |       @(r15==16'h0241) p5_din = 8'h02;
 | 
      
         | 394 |  |  |       @(r15==16'h0242) p5_din = 8'h04;
 | 
      
         | 395 |  |  |       @(r15==16'h0243) p5_din = 8'h08;
 | 
      
         | 396 |  |  |       @(r15==16'h0244) p5_din = 8'h10;
 | 
      
         | 397 |  |  |       @(r15==16'h0245) p5_din = 8'h20;
 | 
      
         | 398 |  |  |       @(r15==16'h0246) p5_din = 8'h40;
 | 
      
         | 399 |  |  |       @(r15==16'h0247) p5_din = 8'h80;
 | 
      
         | 400 |  |  |       @(r15==16'h0248);
 | 
      
         | 401 |  |  |       if (mem240 !== 16'h0201) tb_error("====== P5IN  != 0x0201 =====");
 | 
      
         | 402 |  |  |       if (mem242 !== 16'h0804) tb_error("====== P5IN  != 0x0804 =====");
 | 
      
         | 403 |  |  |       if (mem244 !== 16'h2010) tb_error("====== P5IN  != 0x2010 =====");
 | 
      
         | 404 |  |  |       if (mem246 !== 16'h8040) tb_error("====== P5IN  != 0x8040 =====");
 | 
      
         | 405 |  |  |  
 | 
      
         | 406 |  |  |       @(r15==16'h5100);
 | 
      
         | 407 |  |  |       if (p5_dout !== 8'h01) tb_error("====== P5DOUT  != 0x01 =====");
 | 
      
         | 408 |  |  |       @(r15==16'h5101);
 | 
      
         | 409 |  |  |       if (p5_dout !== 8'h02) tb_error("====== P5DOUT  != 0x02 =====");
 | 
      
         | 410 |  |  |       @(r15==16'h5102);
 | 
      
         | 411 |  |  |       if (p5_dout !== 8'h04) tb_error("====== P5DOUT  != 0x04 =====");
 | 
      
         | 412 |  |  |       @(r15==16'h5103);
 | 
      
         | 413 |  |  |       if (p5_dout !== 8'h08) tb_error("====== P5DOUT  != 0x08 =====");
 | 
      
         | 414 |  |  |       @(r15==16'h5104);
 | 
      
         | 415 |  |  |       if (p5_dout !== 8'h10) tb_error("====== P5DOUT  != 0x10 =====");
 | 
      
         | 416 |  |  |       @(r15==16'h5105);
 | 
      
         | 417 |  |  |       if (p5_dout !== 8'h20) tb_error("====== P5DOUT  != 0x20 =====");
 | 
      
         | 418 |  |  |       @(r15==16'h5106);
 | 
      
         | 419 |  |  |       if (p5_dout !== 8'h40) tb_error("====== P5DOUT  != 0x40 =====");
 | 
      
         | 420 |  |  |       @(r15==16'h5107);
 | 
      
         | 421 |  |  |       if (p5_dout !== 8'h80) tb_error("====== P5DOUT  != 0x80 =====");
 | 
      
         | 422 |  |  |  
 | 
      
         | 423 |  |  |       @(r15==16'h5200);
 | 
      
         | 424 |  |  |       if (p5_dout_en !== 8'h01) tb_error("====== P5DIR  != 0x01 =====");
 | 
      
         | 425 |  |  |       @(r15==16'h5201);
 | 
      
         | 426 |  |  |       if (p5_dout_en !== 8'h02) tb_error("====== P5DIR  != 0x02 =====");
 | 
      
         | 427 |  |  |       @(r15==16'h5202);
 | 
      
         | 428 |  |  |       if (p5_dout_en !== 8'h04) tb_error("====== P5DIR  != 0x04 =====");
 | 
      
         | 429 |  |  |       @(r15==16'h5203);
 | 
      
         | 430 |  |  |       if (p5_dout_en !== 8'h08) tb_error("====== P5DIR  != 0x08 =====");
 | 
      
         | 431 |  |  |       @(r15==16'h5204);
 | 
      
         | 432 |  |  |       if (p5_dout_en !== 8'h10) tb_error("====== P5DIR  != 0x10 =====");
 | 
      
         | 433 |  |  |       @(r15==16'h5205);
 | 
      
         | 434 |  |  |       if (p5_dout_en !== 8'h20) tb_error("====== P5DIR  != 0x20 =====");
 | 
      
         | 435 |  |  |       @(r15==16'h5206);
 | 
      
         | 436 |  |  |       if (p5_dout_en !== 8'h40) tb_error("====== P5DIR  != 0x40 =====");
 | 
      
         | 437 |  |  |       @(r15==16'h5207);
 | 
      
         | 438 |  |  |       if (p5_dout_en !== 8'h80) tb_error("====== P5DIR  != 0x80 =====");
 | 
      
         | 439 |  |  |  
 | 
      
         | 440 |  |  |       @(r15==16'h5300);
 | 
      
         | 441 |  |  |       if (p5_sel !== 8'h01) tb_error("====== P5SEL  != 0x01 =====");
 | 
      
         | 442 |  |  |       @(r15==16'h5301);
 | 
      
         | 443 |  |  |       if (p5_sel !== 8'h02) tb_error("====== P5SEL  != 0x02 =====");
 | 
      
         | 444 |  |  |       @(r15==16'h5302);
 | 
      
         | 445 |  |  |       if (p5_sel !== 8'h04) tb_error("====== P5SEL  != 0x04 =====");
 | 
      
         | 446 |  |  |       @(r15==16'h5303);
 | 
      
         | 447 |  |  |       if (p5_sel !== 8'h08) tb_error("====== P5SEL  != 0x08 =====");
 | 
      
         | 448 |  |  |       @(r15==16'h5304);
 | 
      
         | 449 |  |  |       if (p5_sel !== 8'h10) tb_error("====== P5SEL  != 0x10 =====");
 | 
      
         | 450 |  |  |       @(r15==16'h5305);
 | 
      
         | 451 |  |  |       if (p5_sel !== 8'h20) tb_error("====== P5SEL  != 0x20 =====");
 | 
      
         | 452 |  |  |       @(r15==16'h5306);
 | 
      
         | 453 |  |  |       if (p5_sel !== 8'h40) tb_error("====== P5SEL  != 0x40 =====");
 | 
      
         | 454 |  |  |       @(r15==16'h5307);
 | 
      
         | 455 |  |  |       if (p5_sel !== 8'h80) tb_error("====== P5SEL  != 0x80 =====");
 | 
      
         | 456 |  |  |  
 | 
      
         | 457 |  |  |  
 | 
      
         | 458 |  |  |       // PORT 6: TEST I/O FUNCTIONALITY
 | 
      
         | 459 |  |  |       //--------------------------------------------------------
 | 
      
         | 460 |  |  |  
 | 
      
         | 461 |  |  |       @(r15==16'h0250) p6_din = 8'h01;
 | 
      
         | 462 |  |  |       @(r15==16'h0251) p6_din = 8'h02;
 | 
      
         | 463 |  |  |       @(r15==16'h0252) p6_din = 8'h04;
 | 
      
         | 464 |  |  |       @(r15==16'h0253) p6_din = 8'h08;
 | 
      
         | 465 |  |  |       @(r15==16'h0254) p6_din = 8'h10;
 | 
      
         | 466 |  |  |       @(r15==16'h0255) p6_din = 8'h20;
 | 
      
         | 467 |  |  |       @(r15==16'h0256) p6_din = 8'h40;
 | 
      
         | 468 |  |  |       @(r15==16'h0257) p6_din = 8'h80;
 | 
      
         | 469 |  |  |       @(r15==16'h0258);
 | 
      
         | 470 |  |  |       if (mem250 !== 16'h0201) tb_error("====== P6IN  != 0x0201 =====");
 | 
      
         | 471 |  |  |       if (mem252 !== 16'h0804) tb_error("====== P6IN  != 0x0804 =====");
 | 
      
         | 472 |  |  |       if (mem254 !== 16'h2010) tb_error("====== P6IN  != 0x2010 =====");
 | 
      
         | 473 |  |  |       if (mem256 !== 16'h8040) tb_error("====== P6IN  != 0x8040 =====");
 | 
      
         | 474 |  |  |  
 | 
      
         | 475 |  |  |       @(r15==16'h6100);
 | 
      
         | 476 |  |  |       if (p6_dout !== 8'h01) tb_error("====== P6DOUT  != 0x01 =====");
 | 
      
         | 477 |  |  |       @(r15==16'h6101);
 | 
      
         | 478 |  |  |       if (p6_dout !== 8'h02) tb_error("====== P6DOUT  != 0x02 =====");
 | 
      
         | 479 |  |  |       @(r15==16'h6102);
 | 
      
         | 480 |  |  |       if (p6_dout !== 8'h04) tb_error("====== P6DOUT  != 0x04 =====");
 | 
      
         | 481 |  |  |       @(r15==16'h6103);
 | 
      
         | 482 |  |  |       if (p6_dout !== 8'h08) tb_error("====== P6DOUT  != 0x08 =====");
 | 
      
         | 483 |  |  |       @(r15==16'h6104);
 | 
      
         | 484 |  |  |       if (p6_dout !== 8'h10) tb_error("====== P6DOUT  != 0x10 =====");
 | 
      
         | 485 |  |  |       @(r15==16'h6105);
 | 
      
         | 486 |  |  |       if (p6_dout !== 8'h20) tb_error("====== P6DOUT  != 0x20 =====");
 | 
      
         | 487 |  |  |       @(r15==16'h6106);
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         | 488 |  |  |       if (p6_dout !== 8'h40) tb_error("====== P6DOUT  != 0x40 =====");
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         | 489 |  |  |       @(r15==16'h6107);
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         | 490 |  |  |       if (p6_dout !== 8'h80) tb_error("====== P6DOUT  != 0x80 =====");
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         | 491 |  |  |  
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         | 492 |  |  |       @(r15==16'h6200);
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         | 493 |  |  |       if (p6_dout_en !== 8'h01) tb_error("====== P6DIR  != 0x01 =====");
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         | 494 |  |  |       @(r15==16'h6201);
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         | 495 |  |  |       if (p6_dout_en !== 8'h02) tb_error("====== P6DIR  != 0x02 =====");
 | 
      
         | 496 |  |  |       @(r15==16'h6202);
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         | 497 |  |  |       if (p6_dout_en !== 8'h04) tb_error("====== P6DIR  != 0x04 =====");
 | 
      
         | 498 |  |  |       @(r15==16'h6203);
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         | 499 |  |  |       if (p6_dout_en !== 8'h08) tb_error("====== P6DIR  != 0x08 =====");
 | 
      
         | 500 |  |  |       @(r15==16'h6204);
 | 
      
         | 501 |  |  |       if (p6_dout_en !== 8'h10) tb_error("====== P6DIR  != 0x10 =====");
 | 
      
         | 502 |  |  |       @(r15==16'h6205);
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         | 503 |  |  |       if (p6_dout_en !== 8'h20) tb_error("====== P6DIR  != 0x20 =====");
 | 
      
         | 504 |  |  |       @(r15==16'h6206);
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         | 505 |  |  |       if (p6_dout_en !== 8'h40) tb_error("====== P6DIR  != 0x40 =====");
 | 
      
         | 506 |  |  |       @(r15==16'h6207);
 | 
      
         | 507 |  |  |       if (p6_dout_en !== 8'h80) tb_error("====== P6DIR  != 0x80 =====");
 | 
      
         | 508 |  |  |  
 | 
      
         | 509 |  |  |       @(r15==16'h6300);
 | 
      
         | 510 |  |  |       if (p6_sel !== 8'h01) tb_error("====== P6SEL  != 0x01 =====");
 | 
      
         | 511 |  |  |       @(r15==16'h6301);
 | 
      
         | 512 |  |  |       if (p6_sel !== 8'h02) tb_error("====== P6SEL  != 0x02 =====");
 | 
      
         | 513 |  |  |       @(r15==16'h6302);
 | 
      
         | 514 |  |  |       if (p6_sel !== 8'h04) tb_error("====== P6SEL  != 0x04 =====");
 | 
      
         | 515 |  |  |       @(r15==16'h6303);
 | 
      
         | 516 |  |  |       if (p6_sel !== 8'h08) tb_error("====== P6SEL  != 0x08 =====");
 | 
      
         | 517 |  |  |       @(r15==16'h6304);
 | 
      
         | 518 |  |  |       if (p6_sel !== 8'h10) tb_error("====== P6SEL  != 0x10 =====");
 | 
      
         | 519 |  |  |       @(r15==16'h6305);
 | 
      
         | 520 |  |  |       if (p6_sel !== 8'h20) tb_error("====== P6SEL  != 0x20 =====");
 | 
      
         | 521 |  |  |       @(r15==16'h6306);
 | 
      
         | 522 |  |  |       if (p6_sel !== 8'h40) tb_error("====== P6SEL  != 0x40 =====");
 | 
      
         | 523 |  |  |       @(r15==16'h6307);
 | 
      
         | 524 |  |  |       if (p6_sel !== 8'h80) tb_error("====== P6SEL  != 0x80 =====");
 | 
      
         | 525 |  |  |  
 | 
      
         | 526 |  |  |  
 | 
      
         | 527 |  |  |       stimulus_done = 1;
 | 
      
         | 528 |  |  |    end
 | 
      
         | 529 |  |  |  
 |