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Chapter 1 Overview 1.2 Making Maximum Use of the Main Window
7
1.2.4 Using Information Provided by the Status Bar
The status bar displays important data including, for example, the status of the IE and the cause
of a break.
If a break occurs at a point where no break has been set, or if no source appears when a break
occurs, for example, check this area first.
Status bar:
Information relating to IE is displayed. Break
cause information is particularly important.
1. Source file name:
Displays the source file name and source line number corresponding
to the indicated PC value. If no file information is available, "---" is
displayed.
Displays the function name corresponding to the indicated PC value.
If no function information is available, "---" is displayed.
Displays the current PC value.
Displays the status of the CPU (
μ
PD780xx: target device).
2. Function name:
3. PC value:
4. CPU status:
CPU status
TARGET
HOLD
STANDBY
LUTCHUP
Description
The target is on.
Bus hold mode
Halt or stop mode
Latch-up has been detected. Turn off the target and in-circuit
emulator immediately.
5. IE status:
Displays the operation status of the in-circuit emulator.
IE status
Description
RUN
STEP
BREAK
TRACE
TIMER
Real-time execution in progress
Step-by-step execution in progress
Break status
Tracing in progress
Timer measurement in progress
6. Break cause:
Displays the reason for a break. The table below lists possible break
causes.
Cause
Description
Compulsory Break
Temporally Break
Event Break
Out Of Range Break
Trace Full Break
Non Map Break
SFR Illegal
Stack Overflow
Write Protect
Normal break (manual break)
Normal break (break caused by internal processing)
Break triggered by an event
Break caused by procedure step termination
Break caused by trace full state
Access to a non-mapped area was attempted.
Illegal access to an SFR was attempted.
Break caused by stack overflow
An attempt was made to write to a write-protected area.