/* * Copyright (c) 2001 Brendan J Simon * * 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 */ // test case to show vector ordering bugs. module test; reg [4:0] foo40; // works great. reg [0:4] foo04; // only works for time=0; //reg [4:0] foo04; reg [5:1] foo51; // never works. //reg [4:0] foo51; reg [1:5] foo15; // never works. //reg [4:0] foo15; initial begin #102; $finish(0); end initial #1 begin foo40 = 0; foo04 = 0; foo51 = 0; foo15 = 0; end always #10 begin foo40 <= foo40 + 1; foo04 <= foo04 + 1; foo51 <= foo51 + 1; foo15 <= foo15 + 1; end always @(foo40) begin $write("foo40=%8d\n", foo40); end always @(foo04) begin $write(" foo04=%8d\n", foo04); end always @(foo51) begin $write(" foo51=%8d\n", foo51); end always @(foo15) begin $write(" foo15=%8d\n", foo15); end endmodule