// // Copyright (c) 1999 Steven Wilson (stevew@home.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 // // // SDW - time3.v - Verify glitch doesn't propagate with non-blocking // // D: module main (); reg a; reg error; wire c; reg d; assign c = a; always @(c) #5 d <= c; always @(posedge d) error <= 1'b1; initial begin /* $dumpfile("/root/testsuite/dump.vcd"); $dumpvars(0,main); $dumpon; */ a =1'b0; error = 1'b0; #10; a = 1'b1; # 3; a = 1'b0; # 10; if(error) $display("FAILED"); else $display("PASSED"); #5; $finish; end endmodule