83 lines
1.5 KiB
Coq
83 lines
1.5 KiB
Coq
|
// Copyright (c) 2002 Michael Ruff (mruff at chiaro.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
|
||
|
|
//
|
||
|
|
module lvl2;
|
||
|
|
reg r;
|
||
|
|
time t;
|
||
|
|
event e;
|
||
|
|
integer i;
|
||
|
|
|
||
|
|
task t_my;
|
||
|
|
r = 1'b0;
|
||
|
|
endtask
|
||
|
|
|
||
|
|
function f_my;
|
||
|
|
input in;
|
||
|
|
begin
|
||
|
|
f_my = !in;
|
||
|
|
end
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
initial begin: init
|
||
|
|
t_my;
|
||
|
|
r = f_my(r);
|
||
|
|
r = f_my(i);
|
||
|
|
r = f_my(t);
|
||
|
|
->e;
|
||
|
|
end
|
||
|
|
endmodule
|
||
|
|
|
||
|
|
module lvl1;
|
||
|
|
lvl2 lvl2();
|
||
|
|
endmodule
|
||
|
|
|
||
|
|
module top0;
|
||
|
|
reg r;
|
||
|
|
time t;
|
||
|
|
event e;
|
||
|
|
integer i;
|
||
|
|
|
||
|
|
task t_my;
|
||
|
|
r = 1'b0;
|
||
|
|
endtask
|
||
|
|
|
||
|
|
function f_my;
|
||
|
|
input in;
|
||
|
|
begin
|
||
|
|
f_my = !in;
|
||
|
|
end
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
initial begin: init
|
||
|
|
t_my;
|
||
|
|
r = f_my(r);
|
||
|
|
r = f_my(i);
|
||
|
|
r = f_my(t);
|
||
|
|
->e;
|
||
|
|
end
|
||
|
|
|
||
|
|
lvl1 lvl1_0();
|
||
|
|
lvl1 lvl1_1();
|
||
|
|
endmodule
|
||
|
|
|
||
|
|
|
||
|
|
module top1;
|
||
|
|
initial begin: init
|
||
|
|
$test;
|
||
|
|
end
|
||
|
|
endmodule
|