iverilog/ivtest/ivltests/task_omemw2.v

45 lines
1.3 KiB
Coq
Raw Normal View History

// Copyright (c) 2000 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 tests tasks being able to write to output parameters that
// are memory words. This is legal as val[0] is a valid l-value.
// In addition, it catches binding issues. Note the common name
// of the val parameter and the val memory.
module test;
reg [31:0] val[1:0], tmp;
task testT;
output [31:0] val;
begin
val = 1234;
end
endtask
initial begin
testT(val[0]);
if (val[0] === 1234)
$display("PASSED");
else
$display("FAILED -- val[0] == %b",val[0]);
end
endmodule