// // Copyright (c) 1999 Paul Bain (pdbain@adm.org) // // 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 - PR122 - Const define without length specification causes error. `timescale 1ns/1ns module main( clk, dat ); parameter dat_width =32; input clk; output [dat_width-1:0] dat; reg [dat_width-1:0] dat; reg [32-1:0] exp_dat; reg error; initial begin exp_dat = 0; dat = 0; end initial begin dat = #1 'h00010203; exp_dat = #1 'h0010203; error = 0; #10; for (exp_dat = 0; exp_dat != 4'hf; exp_dat = exp_dat + 1) begin dat = exp_dat; #1 if(dat !== exp_dat) begin $display("ERROR: dat = %h, exp_dat = %h",dat,exp_dat); error = 1; end else $display("Okay: dat = %h, exp_dat = %h",dat,exp_dat); end if(error === 0) $display("PASSED"); else $display("FAILED"); end endmodule