verilator/test_regress/t/t_display_time.v
2019-11-21 19:29:46 -05:00

40 lines
1.2 KiB
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2003 by Wilson Snyder.
`timescale 1ns/1ns
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
always @ (posedge clk) begin
if ($time >= 10) begin
// Display formatting
$write; // Check missing arguments work
$write("default: [%0t] 0t time [%t] No0 time p=%p 0p=%0p\n",
$time, $time, $time, $time);
`ifndef verilator // Unsupported
$timeformat(-9, 0, "", 0);
$write("-9,0,,0: [%0t] 0t time [%t] No0 time p=%p 0p=%0p\n",
$time, $time, $time, $time);
$timeformat(-9, 0, "", 10);
$write("-9,0,,10: [%0t] 0t time [%t] No0 time p=%p 0p=%0p\n",
$time, $time, $time, $time);
$timeformat(-9, 0, "ns", 5);
$write("-9,0,ns,5: [%0t] 0t time [%t] No0 time p=%p 0p=%0p\n",
$time, $time, $time, $time);
$timeformat(-9, 3, "ns", 8);
$write("-9,3,ns,8: [%0t] 0t time [%t] No0 time p=%p 0p=%0p\n",
$time, $time, $time, $time);
`endif
$write("\n");
$write("*-* All Finished *-*\n");
$finish;
end
end
endmodule