iverilog/ivtest/ivltests/always3.1.7D.v

57 lines
1.7 KiB
Verilog

//
// 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 always for (expr1;boolean_expr;expr2) statement ;
module main ;
reg [3:0] value1,value2,value3;
initial
begin
value1 = 0; // Time 0 assignemnt
value2 = 0;
#6 ;
if(value1 != 4'h1)
begin
$display("FAILED - 3.1.7D always for (1)") ;
value2 = 1;
end
#5 ;
if(value1 != 4'h2)
begin
$display("FAILED - 3.1.7D always for (2) ");
value2 = 1;
end
#5 ;
if(value1 != 4'h3)
begin
$display("FAILED - 3.1.7D always for (3) ");
value2 = 1;
end
if(value2 == 0)
$display("PASSED");
$finish;
end
always for(value1 = 0; value1 <= 5; value1 = value1 + 1) #5 ;
endmodule