iverilog/ivtest/ivltests/ptest011.v

57 lines
1.4 KiB
Verilog

//
// Copyright (c) 1999 Peter Monta (pmonta@imedia.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 main;
wire [3:0] a,b,c,d,e,f;
ma a1(a);
ma #(4'd9) a2(b);
mb #(4'd12) b1(c);
mb b2(d);
mc #(4'd2) c1(e,f);
initial begin
#1;
if (a===4'd5 && b===4'd9 && c===4'd12 && d===4'd7 && e===4'd2 && f===4'd3)
$display("PASSED");
else
$display("FAILED");
end
endmodule
module ma(x);
output [3:0] x;
parameter P = 4'd5;
assign x = P;
endmodule
module mb(x);
output [3:0] x;
parameter Q = 4'd7;
ma #(Q) a1(x);
endmodule
module mc(x,y);
output [3:0] x,y;
parameter R = 4'd1;
parameter S = 4'd3;
ma #(R) a1(x);
ma #(S) a2(y);
endmodule