Something has to tell a tri-state buffer that wire should be disconnected. You can NOT that signal, and use that as a "isDisconnected" indicator.
see this discussion: https://github.com/SebLague/Digital-Logic-Sim/issues/428
so i guess why that wont work for what I'm doing is because I trying to have the chip read from a bus only so theirs a possibility of the bus not having any data on it in which case I would want to display to read nothing instead of zero that it currently reads as and I cant not the tri state buffer because that would be coming from a buss buffer somewhere else on the bus that the chip I'm making wont have access to