module tick_div4(
input wire clk,
input wire rst,
output reg tick
);
reg [1:0] cnt;
always @(posedge clk) begin
if (rst)
begin
cnt <= 2'b0;
tick<= 1'b0;
end
else
begin
if (cnt == 2'b11)
begin
cnt<=2'b0;
tick<=1'b1;
end
else
begin
cnt <=cnt+2'b1;
tick <=1'b0;
end
end
end
endmodule