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RTR532/ps2/ps02q/ps02_tb.v
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Verilog

/////////////////////////////
// Author - Imants Pulkstenis
// Date - 16.02.2020
// Project name - PS02
// Module name - Test bench for PS02 project Top module
//
// Detailed module description:
//
// This module generete clk signal for
// for tom podule of ps02 project
// The test is executed using Icarus Verilog!
//
// The result can be evaluated in GTKwave application.
// Code:
// iverilog -o output.vvp ps02_tb.v && vvp output.vvp
// gtkwave -f wave.vcd
//
// Revision:
// A - initial design
//
//
/////////////////////////////
//sub modules
`include "alu.v"
`include "ps02_siggen.v"
//top module
`include "ps02.v"
//define module and connections to outside
module ps02_tb ();
//define inside use signals
reg clk = 1'b0;
reg rst = 1'b0;
//---------Test script----------------
// 50% duty cycle clock
always #0.5 clk <= ~clk;
//-----Unit Under test---------------
ps02 #(
.data_width(32)
) unit_under_test (
.clk(clk),
.rst(rst),
.R(),
.flag()
);
//---------Test--------------------
initial
begin
rst = 1;
#10;
rst = 0;
#100
$finish();
end
initial
begin
$display(" ");
$display("----------------------------------------------");
$display(" Starting Testbench...");
$dumpfile("wave.vcd");
$dumpvars(0);
$display("----------------------------------------------");
$display(" ");
end
endmodule