| /* |
| * Copyright (c) 2001 Steve 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 |
| */ |
| |
| /* Check that display prints the right signed value. */ |
| |
| module signed1(); |
| |
| reg [7:0] x; |
| reg signed [7:0] y; |
| |
| initial |
| begin |
| x = 8'b0000_0011; |
| y = 8'b1111_1101; |
| |
| $display("x = %0d (should be 3)",x); |
| $display("y = %0d (should be -3)",y); |
| |
| x = y; |
| $display("x = %0d (should be 253)",x); |
| |
| |
| end |
| |
| endmodule |