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Which of the following use SWI as interrupt mechanism?

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Which of the following use SWI as interrupt mechanism?

(a) PowerPC

(b) MC68000

(c) Z80

(d) IBM PC

This question was posed to me in my homework.

I'd like to ask this question from Sources of Interrupts in section Interrupts and Exceptions of Embedded Systems

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Correct option is (c) Z80

The best explanation: The PowerPC and  MC68000 use TRAP instruction set for accessing software interrupt. IBM PC uses 8086 NMI. Z80 uses SWI for accessing software interrupts.

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