How do you plan to solve it?
module tick_div4( input wire clk, input wire rst, output reg tick ); reg [1:0] cnt; always @(posedge clk) begin // Write your code here cnt <= (cnt == 2'b11) ? 0 : rst ? 1'b0 : cnt + 1'b1; tick <= (cnt == 2'b11); end endmodule