module KEEPER (O);

    inout O;
    

`ifdef XIL_TIMING

    parameter LOC = "UNPLACED";

`endif

    
    reg   in;

    always @(O)
	if (O)
	    in <= 1;
	else
	    in <= 0;

    buf (pull1, pull0) B1 (O, in);

endmodule