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
prev <= rst ? 1'b0 : sig_in;
pulse <= (~prev && sig_in && ~rst) ? 1'b1 : 1'b0;
end
endmodule