52 lines
1.4 KiB
Coq
52 lines
1.4 KiB
Coq
|
/*
|
||
|
|
* Copyright (c) 2001 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Catch problems with non-zero lsb values in l-value expressions.
|
||
|
|
*/
|
||
|
|
module main;
|
||
|
|
|
||
|
|
reg [7:1] a = 6'b111111;
|
||
|
|
reg [7:1] b = 6'b000010;
|
||
|
|
|
||
|
|
integer q;
|
||
|
|
reg [7:1] x;
|
||
|
|
reg PCLK = 1;
|
||
|
|
always @(posedge PCLK)
|
||
|
|
for (q=1; q<=7; q=q+1)
|
||
|
|
x[q] <= #1 a[q] & b[q];
|
||
|
|
|
||
|
|
always #5 PCLK = !PCLK;
|
||
|
|
|
||
|
|
initial begin
|
||
|
|
// $dumpfile("dump.vcd");
|
||
|
|
// $dumpvars(0, main);
|
||
|
|
#50 $display("done: x=%b", x);
|
||
|
|
|
||
|
|
if (x !== 6'b000010)
|
||
|
|
$display("FAILED -- x = %b", x);
|
||
|
|
else
|
||
|
|
$display("PASSED");
|
||
|
|
|
||
|
|
$finish;
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
endmodule // main
|