Explain the action of an interrupt processing routine, Computer Engineering

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Explain the action of an interrupt processing routine?

Action of an interrupt processing routine is as follows:

1. Save contents of registers of CPU. This action is not essential if the CPU registers are saved through the interrupt action itself.

2. Process the interrupt as well as take suitable actions. The interrupt code field of saved PSW information unit consequent to this interrupt consists of useful information for this reason.

3. Return from interrupt processing.


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