1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2008 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
reg [1:0] in;
/*AUTOWIRE*/
// Beginning of automatic wires (for undeclared instantiated-module outputs)
wire [1:0] out10; // From test of Test.v
wire [1:0] out32; // From test of Test.v
// End of automatics
Test test (/*AUTOINST*/
// Outputs
.out32 (out32[1:0]),
.out10 (out10[1:0]),
// Inputs
.in (in[1:0]));
// Test loop
always @ (posedge clk) begin
in <= in + 1;
`ifdef TEST_VERBOSE
$write("[%0t] in=%d out32=%d out10=%d\n", $time, in, out32, out10);
`endif
if (in==3) begin
$write("*-* All Finished *-*\n");
$finish;
end
end
endmodule
module Test (/*AUTOARG*/
// Outputs
out32, out10,
// Inputs
in
);
input [1:0] in;
output [1:0] out32;
output [1:0] out10;
assign out32 = in[3:2];
assign out10 = in[1:0];
endmodule
|
