2.8 Changing the address
Addressable bus mappings, connections that have bold lines, have editable address maps.
- Double-click the
pvbus_m_range port of the BusDecoder component to open the
Port Properties dialog.
Figure 2-14 Viewing the address mapping from the Port Properties dialog
- Open the Edit Connection dialog:
- Select the
Memory.pvbus Slave Port line, and click
- Double click on the entry.
Figure 2-15 Edit Connection dialog
- Select the Enable address mapping checkbox to activate the address text
fields. The address mapping for the master port is shown on the left side of the Edit
Connection dialog. Start, End,
and Size are all editable. If one value changes, the other values
are automatically updated if necessary. The equivalent LISA statement is displayed at the
bottom of the Edit Connection dialog.
Enter a Start address of
and an End address of
in the active left-hand side of the
Edit Connection dialog. The Size of
calculated. This maps the master port to the selected address range.
- If mapping the master port to a different address range on the slave port is required, select
Enable slave port address range. If Enable slave port
address range is checked, the parameters for the slave port can be edited.
The default values are the same as for the master port when the slave address range is
When the slave address range is disabled, this is equivalent
to specifying the address range 0...size-1, and not the master address
In this case, a slave port address range is not required, so deselect the Enable slave
port address range checkbox.
Figure 2-16 Edit address map for slave port
- Click OK to close the Edit Address Mapping dialog
Memory.pvbus slave port.
- Click OK to close the Port Properties