/* * Copyright (c) 2001 Eric Brombaugh * * 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_simple.v - testbench for simple.mcl behavioral output // 01-22-01 E. Brombaugh /* * The ``simple'' module was generated by the synopsis module compiler * and is typical of the modules it generates. The testbench was hand * coded. This file was merged into a single file using the Verilog * preprocessor. */ `timescale 1ns / 10 ps module simple( y, a, b, c ); input [3:0] a; input [3:0] b; input [7:0] c; output [8:0] y; wire dpa_zero, dpa_one; wire [8:0] y_1_; assign dpa_zero= 1024'h0; assign dpa_one= 1024'h1; /* simple.mcl:4 module simple (y, a, b, c); */ /* simple.mcl:6 input signed [3:0] a, b; */ /* simple.mcl:7 input signed [7:0] c; */ /* simple.mcl:9 y = a*b+c; */ assign y_1_= ((a[2:0]-(a[3]<<3))*(b[2:0]-(b[3]<<3))+(c[6:0]-(c[7]<<7))); /* simple.mcl:5 output signed [8:0] y; */ assign y = y_1_[8:0]; /* simple.mcl:4 module simple (y, a, b, c); */ /* simple.mcl:9 y = a*b+c; */ /*User Defined Aliases */ endmodule module test_simple; reg [15:0] count; reg clk; reg [3:0] a, b; reg [7:0] c; wire [8:0] y; simple u1(y, a, b, c); initial begin count = 0; clk = 0; a = 0; b = 0; c = 0; end always #10 clk = ~clk; always @(posedge clk) begin a = count[3:0]; b = count[7:4]; c = count[15:8]; #10 $display("%h %h %h %h", a, b, c, y); count = count + 1; if(count == 0) $finish(0); end endmodule