Why RETI instruction be the last instruction of ISR?

Question

TuteeHUB · Accepted Answer

none of the mentioned

TuteeHUB · Answer

because it returns with carry

TuteeHUB · Answer

because it returns to the main program with all the flags of the SREG raised

TuteeHUB · Answer

because it returns to the main program where interrupt is generated and set the global interrupt enable bit in SREG

TuteeHUB · Answer

none of the mentioned

1.	Why RETI instruction be the last instruction of ISR?
A.	because it returns with carry
B.	because it returns to the main program with all the flags of the SREG raised
C.	because it returns to the main program where interrupt is generated and set the global interrupt enable bit in SREG
D.	none of the mentioned
Answer» D. none of the mentioned

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