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
if (rst) begin
prev<=1'b0;
pulse<=1'b0;
end else begin
pulse<=sig_in&~prev;
prev<=sig_in;
end
end
endmodule