Creating a bus port in custom made part in LogicWorks
I figured this one out.  It turns out you have to create your own bus port inputs and outputs.  It's fairly easy:

Open a new file for creating a device symbol. In
Device Symbol Editor, Choose “Set to primitive
type” in Options-> subcircuit/part
type and then choose Port Connector. The symbol
will then be of Type Port Connector.
Create a number of pins for a bus by choosing
Option->Add pins with, for example,
INPUT[A0..A3] for a four-bit input bus that has
signals A0 to A3.
The signal names must match those that the bus is
to be connected to. Therefore each bus port
connector can only be used once to connect signals
with same names.
A bus internal pin can be either output or input or bi-directional.
Set pins on a bus to be output pins if the pins are to be connected to inputs of a sub-circuit.
Draw a bus symbol that can be any
shape you want. Select a bus pin from
the symbol palette and place it on the
bus symbol. There are four bus pins,
one for each side of the bus symbol.
A screen capture on the right shows
how a 4-bit input bus port can be
created. Notice that the pin functions
are designated as Output, although the
bus port is an input bus port.
Make sure the pin directions and the
number of pins match the intended
application.
Save the port connector symbol to your
own library.