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section 7 - Index of

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SWI S<strong>of</strong>tware Interrupt SWIOperation:Begin SWI exception processingAssembler Syntax:SWIDescription: Suspend normal instruction execution and begin SWI exception processing.The interrupt priority level (11,10) is set to 3 in the status register (SR) if a long interruptservice routine is used.Restrictions:An SWI instruction cannot be used in a fast interrupt routine.An SWI instruction cannot be repeated using the REP instruction.Example:SWI;begin SWI exception processingExplanation <strong>of</strong> Example: The SWI instruction suspends normal instruction executionand initiates SWI exception processing.

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