44. Bus Error Checker

How do you plan to solve it?

/*Write your code here*/
module error_checker_xz(
    input [7:0] bus,
    output all_known,
    output has_unknown,
    output [7:0] bus_if_known


);
wire test= (^(bus ^ bus)) === 1'bx;
assign all_known=~test;
assign has_unknown=test;
assign bus_if_known=has_unknown ? 8'b0:bus;







endmodule