module rise_pulse(
input wire clk,
input wire rst, // synchronous active-high reset
input wire sig_in,
output reg pulse
);
reg prev; // previous sampled value of sig_in
always @(posedge clk) begin
// Write your code here
pulse <= rst ? 1'b0 : (~prev & sig_in);
prev <= rst ? 1'b0 : sig_in;
end
endmodule