module tick_div4(
input wire clk,
input wire rst,
output reg tick
);
reg [1:0] cnt;
always @(posedge clk) begin
if(rst) begin
tick <= 1'd0;
cnt <= 2'd0;
end
else if(cnt == 2'd3) begin
tick <= 1'd1;
cnt <= 2'd0;
end
else begin
tick <= 1'd0;
cnt <= cnt + 1'd1;
end
end
endmodule