iverilog/ivtest/ivltests/pr142.v

62 lines
1.5 KiB
Verilog

//
// Copyright (c) 2001 Ed Schwartz (schwartz@r11.ricoh.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
//
// SDW - Verify PR142 - Added something to print PASSED..
module testit;
reg clk;
reg [2:0] cnt;
always
begin
# 50 clk = ~clk;
end // always begin
task idle;
input [15:0] waitcnt;
begin: idletask
// begin
integer i;
for (i=0; i < waitcnt; i = i + 1)
begin
@ (posedge clk);
end // for (i=0; i < waitcnt; i = i + 1)
end
endtask // idle
initial begin
clk = 0;
cnt = 0;
$display ("One");
cnt = cnt + 1;
idle(3);
cnt = cnt + 1;
$display ("Two");
if(cnt === 2)
$display("PASSED");
else
$display("FAILED");
$finish;
end
endmodule