// // Copyright (c) 1999 Peter Monta (pmonta@imedia.com) // // This source code is free software; you can redistribute it // and/or modify it in source code form under the terms of the GNU // General Public License as published by the Free Software // Foundation; either version 2 of the License, or (at your option) // any later version. // // This program 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA // module main; reg [3:0] b; wire [1:0] a; assign a = b[3:2] + 1; initial begin b = 4'b1011; #1; if (a===2'b11) $display("PASSED"); else $display("FAILED"); end endmodule