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; // detect rising edge
prev <= sig_in; // update history
end
end
endmodule