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Step Command and
Interrupts
RAM Enable Bit
Software
Performance Analysis
5-6 Using the Emulator
Step execution cannot be performed in the following cases.
When the emulator is in the monitor and a suspended interrupt
is existed.
When the emulator is in the monitor and a level sensed
interrupt is existed (including interrupts from internal I/O
device).
In the above cases, you will see an error message when you attempt to
execute the step command.
The contents of registers will be the same as those before the issue of
the step command.
The internal RAM of H8/338 processor can be enabled/disabled by
RAME (RAM enable bit). However, once you map the internal RAM
area to emulation RAM, the emulator still accesses emulation RAM
even if the internal RAM is disabled by RAME.
Program activity measurement using the Software Performance
Measurement Tool (SPMT) is valid only for H8/338 internal ROM
area. Outside this area, the result of program activity measurement is
not reliable.
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