iverilog/ivtest/ivltests/monitor.v

33 lines
1.1 KiB
Verilog

// Copyright (c) 2001 Stephen Williams (steve@icarus.com)
//
// This source code is free software; you can redistribute it
// and/or modify it in source code form under the terms of the GNU
// General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
//
// This trivial program shows that the $monitor system task really does
// seem to work.
module main;
reg clk = 0;
always #5 clk = ~clk;
initial begin
$monitor($time,, "clk=%b", clk);
#61 $finish(0);
end
endmodule