| // |
| // 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 - assign a string in a function |
| // |
| // This test was contributed via forwarding on the geda netlist. I don't |
| // know who actually wrote it - that isn't obvious from the copy of email |
| // I eventually received - SDW |
| // |
| |
| module test(); |
| wire [31:0] A; |
| reg [31:0] B; |
| |
| function [31:0] message; |
| input [1:0] reg_num; |
| begin |
| message = (reg_num == 2'b00) ? "Mes0": |
| (reg_num == 2'b01) ? "Mes1": |
| (reg_num == 2'b10) ? "Mes2": |
| "Mes3"; |
| end |
| endfunction |
| |
| assign A = "hi"; |
| initial |
| begin |
| B = "ho"; |
| #1; |
| $display ("%s", A); |
| $display ("%s", message(1)); |
| $finish; |
| end |
| endmodule |
