Files
linguist/samples/Verilog/t_div_pipelined.v
2012-07-23 15:52:49 -05:00

75 lines
1.9 KiB
Verilog
Executable File

////////////////////////////////////////////////////////////////////////////////
// Original Author: Schuyler Eldridge
// Contact Point: Schuyler Eldridge (schuyler.eldridge@gmail.com)
// div_pipelined.v
// Created: 4.3.2012
// Modified: 4.5.2012
//
// Testbench for div_pipelined.v
//
// Copyright (C) 2012 Schuyler Eldridge, Boston University
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License.
//
// 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, see <http://www.gnu.org/licenses/>.
////////////////////////////////////////////////////////////////////////////////
`timescale 1ns / 1ps
module t_div_pipelined();
reg clk, start, reset_n;
reg [7:0] dividend, divisor;
wire data_valid, div_by_zero;
wire [7:0] quotient, quotient_correct;
parameter
BITS = 8;
div_pipelined
#(
.BITS(BITS)
)
div_pipelined
(
.clk(clk),
.reset_n(reset_n),
.dividend(dividend),
.divisor(divisor),
.quotient(quotient),
.div_by_zero(div_by_zero),
// .quotient_correct(quotient_correct),
.start(start),
.data_valid(data_valid)
);
initial begin
#10 reset_n = 0;
#50 reset_n = 1;
#1
clk = 0;
dividend = -1;
divisor = 127;
#1000 $finish;
end
// always
// #20 dividend = dividend + 1;
always begin
#10 divisor = divisor - 1; start = 1;
#10 start = 0;
end
always
#5 clk = ~clk;
endmodule