verilator/test_regress/t/t_past_bad.v
2021-03-28 20:03:08 -04:00

21 lines
533 B
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2018 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
module t (/*AUTOARG*/
// Inputs
d, clk, num
);
input d;
input clk;
input int num;
always @ (posedge clk) begin
if ($past(d, num)) $stop; // IEEE 16.9.3 must be const
if ($past(d, 0)) $stop; // IEEE 16.9.3 must be >= 0
if ($past(d, 10000)) $stop; // TICKCOUNT
end
endmodule