max.v

   parameter N = 4;
   reg [31:0] n [0:N-1];
   reg [31:0] count;
   reg [31:0] max;
   integer i;
   
   always @(negedge rst or posedge clk) begin
      if (rst==1'd0) begin
         n[0] <= 32'd123;
         n[1] <= 32'd456;
         n[2] <= 32'd789;
         n[3] <= 32'd123;
         count <= 32'd0;
         max <= 32'd0;
      end else begin
         if (n[count] > max)
            max <= n[count];
            
         if (count != N-1)
            count <= count+1;
         else
            count <= 32'd0;
      end
   end