module t_ff_async_pr (
input CLK,
input RST,
input PRE,
input T,
output reg Q
);
always @ (posedge CLK or posedge RST or posedge PRE)begin
if (RST)
Q <= 1'b0;
else if (PRE)
Q <= 1'b1;
else
if (T)
Q <= ~Q;
else
Q <= Q;
end
// Write your code here
endmodule