real rnum
initial rnum=1;
always@(count) begin
   rnum = 100/(count[3:0] * count[3:0]);
end

reg r_div1, r_div2;
initial begin
   r_div1=0; r_div2=0;
end

always @(rnum) forever r_div1=#((1/rnum)/2) ~ r_div1;
always @(rnum) forever r_div2 = #((1/rnum)/2) ~r_div2;