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The use of which of the following AVR instructions within an interrupt service routine would necessitate saving the status re

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Answer #1

b.push r0

This instruction is a Push register on to stack

This instruction stores the content of register r0 on to the stack. The stack pointer post decremented by 1 after the push. The instruction within an interrupt service routine would saving the status register at the beginning of the routine.

So option b is correct.

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The use of which of the following AVR instructions within an interrupt service routine would necessitate saving the status register at the routine? a. bset 1 b. push rO c. rjmp loop Od. sbis $16, 4 e...
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