module jk_ff_enable (
input CLK,
input EN,
input J,
input K,
output reg Q
);
always @(posedge CLK) begin
if (EN) begin
if (J) begin
if (K) begin
Q <= ~Q;
end else begin
Q <= 1;
end
end else begin
if (K) begin
Q <= 0;
end else begin
Q <= Q;
end
end
end
end
endmodule