| // |
| // 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 - Validate function within a continuous assignment |
| |
| module main (); |
| |
| reg error; |
| reg [3:0] val2; |
| |
| |
| function [3:0] myfunc ; |
| input [31:0] in1 ; |
| myfunc = in1; |
| endfunction |
| |
| wire [3:0] val1; |
| assign val1 = myfunc(val2); |
| |
| initial |
| begin |
| error = 0; |
| val2 = 4'h0; |
| # 1 ; |
| if(val1 !== 4'b0) |
| begin |
| $display("FAILED - function3.11D - function within continuous assign(1)"); |
| error = 1; |
| end |
| |
| val2 = 32'h8; |
| # 1 ; |
| if(val1 !== val2) |
| begin |
| $display("FAILED - function3.11D - function within continuous assign(2)"); |
| error = 1; |
| end |
| |
| if(error == 0) |
| $display("PASSED"); |
| end |
| |
| endmodule // main |