/* * Copyright (c) 2002 Stephen 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 */ /* * Test the select of a bit from a parameter. */ module test; reg [4:0] a; wire o; RAM dut(o, a[3:0]); defparam test.dut.INIT = 16'h55aa; initial begin for (a = 0 ; a[4] == 0 ; a = a + 1) begin #1 $display("dut[%h] = %b", a, o); end end endmodule // test module RAM (O, A); parameter INIT = 16'h0000; output O; input [3:0] A; reg mem [15:0]; reg [4:0] count; wire [3:0] adr; buf (O, mem[A]); initial begin for (count = 0; count < 16; count = count + 1) mem[count] <= INIT[count]; end endmodule