/* * Copyright (c) 2003 Stephen Williams (steve@icarus.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 assignsigned(); parameter foo = 10; reg signed [15:0] bar = -1; wire baz; assign baz = (bar < $signed(foo)); initial begin #1 $display("bar=%h(%0d), foo=%0d, baz = %b", bar, bar, foo, baz); if (baz !== 1'b1) begin $display("FAILED -- Compare returns %b instead of 1.", baz); $finish; end $display("PASSED"); end endmodule