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Action: Reset the emulator. Check your foreground monitor source code to verify
that it keeps the processor in the supervisor state and does not make transitions into
the user program state.
142
Supervisor stack in guarded memory at <address>
Cause: The supervisor stack either was defined in or grew into a memory range
mapped as guarded.
Action: Reset the emulator. Then, define the supervisor stack pointer within a
memory range mapped as emulation or target RAM and allow sufficient room for
the stack to grow as procedures are activated and deactivated.
143
Supervisor stack is in ROM at <address>
Cause: The supervisor stack either was defined in or grew into a memory range
mapped as ROM.
Action: Reset the emulator. Then, define the supervisor stack pointer within a
memory range mapped as emulation or target RAM and allow sufficient room for
the stack to grow as procedures are activated and deactivated.
145
BERR occurred during background operation
Cause: A bus error was encountered while the emulator was executing the
background monitor.
Action: Reset the emulator.
146
BERR during background access to supervisor stack
Cause: A bus error occurred while the emulation monitor was attempting to push
or pop data on the supervisor stack.
Action: Define the supervisor stack pointer within a memory range mapped as
emulation or target RAM and allow sufficient room for the stack to grow as
procedures are activated and deactivated.
147
RESET during background operation
Cause: A target system RESET occurred while the emulator was executing in the
background monitor.
Chapter 13: Error Messages
Terminal Interface Messages
507
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