iverilog/ivtest/ivltests/task_mem.v

48 lines
1.4 KiB
Verilog

/*
* 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
*/
/*
* This program tests the use of memories within tasks.
*/
module test;
parameter addrsiz = 14;
parameter ramsiz = 1 << addrsiz;
task loadram;
integer i, j;
reg [15:0] memword;
reg [15:0] tempram[0:(2*ramsiz)-1];
begin
for (i = 0; i < 16; i = i + 2)
tempram[i] = i;
for (i = 0; i < 16; i = i + 2)
if (tempram[i] !== i) begin
$display("FAILED -- %m.tempram[%d] = %b", i, tempram[i]);
$finish;
end
$display("PASSED");
end
endtask // loadram
initial loadram;
endmodule