68 lines
1.7 KiB
Coq
68 lines
1.7 KiB
Coq
|
//
|
||
|
|
// Copyright (c) 1999 Steven Wilson (stevew@home.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 - Validate task w/ multiple inputs, single output
|
||
|
|
|
||
|
|
|
||
|
|
module main;
|
||
|
|
|
||
|
|
reg var1,var2;
|
||
|
|
reg in1;
|
||
|
|
reg error;
|
||
|
|
|
||
|
|
task my_task ;
|
||
|
|
input in1,in2;
|
||
|
|
output out1,out2;
|
||
|
|
begin
|
||
|
|
out1 = in1 ;
|
||
|
|
out2 = in2 ;
|
||
|
|
end
|
||
|
|
endtask
|
||
|
|
|
||
|
|
initial
|
||
|
|
begin
|
||
|
|
error = 0;
|
||
|
|
my_task(1'b1,1'b0,var1,var2);
|
||
|
|
if(~(var1 & ~var2))
|
||
|
|
begin
|
||
|
|
$display("FAILED - task 3.14D task didn't return correct value (1)");
|
||
|
|
error = 1;
|
||
|
|
end
|
||
|
|
|
||
|
|
in1 = 0;
|
||
|
|
my_task(~in1,~in1,var1,var2);
|
||
|
|
if(~(var1 & var2))
|
||
|
|
begin
|
||
|
|
$display("FAILED - task 3.14D task didn't return correct value(2)");
|
||
|
|
error = 1;
|
||
|
|
end
|
||
|
|
|
||
|
|
in1 = 0;
|
||
|
|
my_task(in1,in1,var1,var2);
|
||
|
|
if(~(~var1 & ~var2))
|
||
|
|
begin
|
||
|
|
$display("FAILED - task 3.14D task didn't return correct value(2)");
|
||
|
|
error = 1;
|
||
|
|
end
|
||
|
|
|
||
|
|
if(error == 0)
|
||
|
|
$display("PASSED");
|
||
|
|
end
|
||
|
|
|
||
|
|
endmodule // main
|