iverilog/ivtest/ivltests/for3.16A.v

44 lines
1.2 KiB
Verilog

//
// Copyright (c) 2000 Steve 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
//
// for3.16A - Template 1 - for(val1=0; val1 <= expr ; val1 = val1 + 1) some_action
//
module test ;
reg [3:0] val1;
reg [3:0] val2;
initial
begin
val2 = 0;
for(val1 = 0; val1 <= 4'ha; val1 = val1+1)
begin
val2 = val2 + 1;
end
if(val2 === 4'hb)
$display("PASSED");
else
begin
$display("FAILED val2 s/b 4'ha, but is %h",val2);
end
end
endmodule