/* * Copyright (c) 2000 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 */ /* * This program is designed to test non-constant bit selects in the * concatenated l-value of procedural assignment. */ module main; reg [3:0] vec; reg a; integer i; initial begin vec = 4'b0000; a = 0; if (vec !== 4'b0000) begin $display("FAILED -- initialized vec to %b", vec); $finish; end for (i = 0 ; i < 4 ; i = i + 1) begin { a, vec[i] } = 2'b11; end if (vec !== 4'b1111) begin $display("FAILED == vec (%b) is not 1111", vec); $finish; end if (a !== 1'b1) begin $display("FAILED -- a (%b) is not 1", a); $finish; end $display("PASSED"); end // initial begin endmodule // main