mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-29 14:51:17 +00:00
34 lines
684 B
Verilog
34 lines
684 B
Verilog
// DESCRIPTION: Verilator: Verilog Test module
|
|
//
|
|
// This file ONLY is placed under the Creative Commons Public Domain, for
|
|
// any use, without warranty, 2021 by Wilson Snyder.
|
|
// SPDX-License-Identifier: CC0-1.0
|
|
|
|
function int zeroed;
|
|
endfunction
|
|
|
|
function automatic integer what_bit;
|
|
input [31:0] a;
|
|
// what_bit = 0;
|
|
for (int i = 31; i >= 0; i = i - 1) begin
|
|
if (a[i] == 1'b1) begin
|
|
what_bit = i;
|
|
end
|
|
end
|
|
endfunction
|
|
|
|
module t(/*AUTOARG*/);
|
|
|
|
parameter ZERO = zeroed();
|
|
|
|
parameter PP = what_bit(0);
|
|
|
|
initial begin
|
|
if (ZERO != 0) $stop;
|
|
if (PP != 'x) $stop;
|
|
$write("*-* All Finished *-*\n");
|
|
$finish;
|
|
end
|
|
|
|
endmodule
|