PPC600 Family Debugger     |    26
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1989-2022   Lauterbach              
SYStem.Mode  Select operation mode
Select target reset mode.
Format: SYStem.Mode <mode> 
SYStem.Attach (alias for SYStem.Mode Attach)
SYStem.Down (alias for SYStem.Mode Down)
SYStem.Up (alias for SYStem.Mode Up)
<mode>: Down | NoDebug | Go | Attach | StandBy | Up
Down  Disables the Debugger. The debugger does not influence the target or 
the running application. The output signals of the debug cable are 
tristated.
NoDebug Resets the target with debug mode disabled. In this mode no debugging 
is possible. The CPU state keeps in the state of NoDebug and the output 
signals of the debug cable are tristated.
Go  Resets the target with debug mode enabled and prepares the CPU for 
debug mode entry. After this command the CPU is in the system.up 
mode and running. Now, the processor can be stopped with the break 
command or until any break condition occurs.
Attach Connect to the processor without asserting reset. The state of the 
target/application does not change. After this command the CPU is in the 
system.up mode and running.
StandBy If this mode is used to start debugging from power-on. The debugger will 
wait until power-on is detected and then stop the CPU at the first 
instruction at the reset address. Not available for all PowerPC families 
covered by this manual.
Up Resets the target and sets the CPU to debug mode. After execution of 
this command the CPU is stopped and prepared for debugging. All 
register are set to the default value.