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|
module example #(
parameter w,
parameter x = 1,
parameter byte y,
parameter byte z = 3
) (
output a, b,
output byte c, d
);
assign a = w;
assign b = x;
assign c = y;
assign d = z;
endmodule
module top;
wire a1, b1;
wire a2, b2;
wire a3, b3;
wire a4, b4;
byte c1, d1;
byte c2, d2;
byte c3, d3;
byte c4, d4;
example #(0, 1, 2) e1(a1, b1, c1, d1);
example #(.w(1), .y(4)) e2(a2, b2, c2, d2);
example #(.x(0), .w(1), .y(5)) e3(a3, b3, c3, d3);
example #(1, 0, 9, 10) e4(a4, b4, c4, d4);
always @* begin
assert (a1 == 0);
assert (b1 == 1);
assert (c1 == 2);
assert (d1 == 3);
assert (a2 == 1);
assert (b2 == 1);
assert (c2 == 4);
assert (d3 == 3);
assert (a3 == 1);
assert (b3 == 0);
assert (c3 == 5);
assert (d3 == 3);
assert (a4 == 1);
assert (b4 == 0);
assert (c4 == 9);
assert (d4 == 10);
end
endmodule
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