HP 68302 User Manual page 162

Displaying and Editing I/O Locations
This section shows you how:
•
To display I/O locations
•
To edit an I/O location
With the 68302 microprocessor, I/O locations are memory-mapped.
To display I/O locations
1
Choose the Window→I/O command.
From the I/O window's control menu, choose the Define... (ALT, -, D)
2
command.
Enter the address in the Address text box.
3
Select whether the size of the I/O location is a Byte or 16 Bits.
4
Choose the Set button.
5
Choose the Close button.
6
The Window→I/O command displays the contents of the specified I/O
locations.
The debugger periodically reads the I/O locations and displays the latest
status in the I/O window. To prevent the debugger from reading the I/O
locations (and updating the I/O window), choose the RealTime→I/O
Polling→OFF (ALT, R, I, F) command.
Chapter 5: Debugging Programs
Displaying and Editing I/O Locations
163