/********************************************************************** * Assigning lists of values to unpacked arrays * * Author: Stuart Sutherland * * (c) Copyright 2003, Sutherland HDL, Inc. *** ALL RIGHTS RESERVED *** * www.sutherland-hdl.com * * Used with permission in the book, "SystemVerilog for Design" *  By Stuart Sutherland, Simon Davidmann, and Peter Flake. *  Book copyright: 2003, Kluwer Academic Publishers, Norwell, MA, USA *  www.wkap.il, ISBN: 0-4020-7530-8 * * Revision History: *   1.00 15 Dec 2003 -- original code, as included in book *   1.01 10 Jul 2004 -- cleaned up comments, added expected results *                       to output messages * * Caveat: Expected results displayed for this code example are based * on an interpretation of the SystemVerilog 3.1 standard by the code * author or authors.  At the time of writing, official SystemVerilog * validation suites were not available to validate the example. * * RIGHT TO USE: This code example, or any portion thereof, may be * used and distributed without restriction, provided that this entire * comment block is included with the example. * * DISCLAIMER: THIS CODE EXAMPLE IS PROVIDED "AS IS" WITHOUT WARRANTY * OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED * TO WARRANTIES OF MERCHANTABILITY, FITNESS OR CORRECTNESS. IN NO * EVENT SHALL THE AUTHOR OR AUTHORS BE LIABLE FOR ANY DAMAGES, * INCLUDING INCIDENTAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF THE * USE OF THIS CODE. *********************************************************************/module test;  byte a [0:3][0:3];  initial begin    a[1][0] = 8'h5;  // assign to one element    $display("\n a[0][0] = %0h (expect 0)", a[0][0]);    $display("\n a[1][0] = %0h (expect 5)", a[1][0]);    a = {{0,1,2,3},{4,5,6,7},{7,6,5,4},{3,2,1,0}};    // assign a list of values to the full array    $display("\n a[2][0] = %0h (expect 7)", a[2][0]);    a[3] = {'hF, 'hA, 'hC, 'hE};    // assign list of values to slice of the array    $display("\n a[3][0] = %0h (expect f)\n", a[3][0]);    $finish;  endendmodule