| // |
| // 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 c; |
| reg [3:0] a,b; |
| wire [3:0] d; |
| |
| assign d = c ? a : b; |
| |
| initial begin |
| a = 4'd5; |
| b = 4'd6; |
| c = 0; |
| #1; |
| if (d!==4'd6) begin |
| $display("FAILED"); |
| $finish; |
| end |
| c = 1; |
| #1; |
| if (d!==4'd5) begin |
| $display("FAILED"); |
| $finish; |
| end |
| $display("PASSED"); |
| end |
| endmodule |
