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How to enable Interrupt in single Step Debugging

norman s.

Hello Keil community,

I have an Atmel AT91SAM7x256 board with selfmade assembly startup code. For testing I had connect a simple switch at PioB to enter the external Interrupt. In simulation mode I can enter the IRQ_Hanlder in single steps without problems . But in debugging Mode the Programm did only enter the IRQ when I start the programm with the "run" Button, but not with single steps. :-(

My questions is now how can I configure the Keil debugger to enable the Interrupt in single step mode? Or maybe there are any special registers in the Atmel processor where I can enable it?

Many thanks and best regards

Norman

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