65 lines
1.9 KiB
Coq
65 lines
1.9 KiB
Coq
|
|
// Copyright (c) 2002 Michael Ruff (mruff at chiaro.com)
|
||
|
|
// Michael Runyan (mrunyan 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 test;
|
||
|
|
|
||
|
|
reg [7:0] r_poke_1, r_poke_2, r_poke_3, r_poke_4, r_poke_5;
|
||
|
|
reg [7:0] r_peek_1, r_peek_2, r_peek_3, r_peek_4, r_peek_5;
|
||
|
|
|
||
|
|
task f_copy;
|
||
|
|
begin
|
||
|
|
// twizzle copy
|
||
|
|
r_peek_1 = r_poke_2;
|
||
|
|
r_peek_2 = r_poke_3;
|
||
|
|
r_peek_3 = r_poke_4;
|
||
|
|
r_peek_4 = r_poke_5;
|
||
|
|
r_peek_5 = r_poke_1;
|
||
|
|
end
|
||
|
|
endtask
|
||
|
|
|
||
|
|
task f_dump;
|
||
|
|
integer i;
|
||
|
|
begin
|
||
|
|
$display("Verilog compare r_poke <=> r_peek");
|
||
|
|
$display (" 'b_%b <=> 'b_%b%s",
|
||
|
|
r_poke_1, r_peek_5, r_poke_1 !== r_peek_5 ? " - ERROR" : "");
|
||
|
|
$display (" 'b_%b <=> 'b_%b%s",
|
||
|
|
r_poke_2, r_peek_1, r_poke_2 !== r_peek_1 ? " - ERROR" : "");
|
||
|
|
$display (" 'b_%b <=> 'b_%b%s",
|
||
|
|
r_poke_3, r_peek_2, r_poke_3 !== r_peek_2 ? " - ERROR" : "");
|
||
|
|
$display (" 'b_%b <=> 'b_%b%s",
|
||
|
|
r_poke_4, r_peek_3, r_poke_4 !== r_peek_3 ? " - ERROR" : "");
|
||
|
|
$display (" 'b_%b <=> 'b_%b%s",
|
||
|
|
r_poke_5, r_peek_4, r_poke_5 !== r_peek_4 ? " - ERROR" : "");
|
||
|
|
end
|
||
|
|
endtask
|
||
|
|
|
||
|
|
initial begin
|
||
|
|
#0;
|
||
|
|
$regpoke;
|
||
|
|
#10;
|
||
|
|
f_copy;
|
||
|
|
#10;
|
||
|
|
$regpeek;
|
||
|
|
#10;
|
||
|
|
f_dump;
|
||
|
|
end
|
||
|
|
|
||
|
|
endmodule
|