
module
 driver #(
parameter
int
 delay = 30,
int
 iterations = 256)
(
output
wire
logic
 [0:1] out);
timeunit 1ns/1ps;
logic
 [0:1] outvar;
assign
 out = outvar;
initial
begin
outvar = '0;
for
 (
int
 i = 0; i < iterations; i++)
#delay outvar++;
end
endmodule
 : driver