Question

What is the purpose of .intvec assembler directive?

(a) it creates an interrupt vector entry that points to an interrupt routine name

(b) one is used for storage, other for display

(c) one stores locally other stores globally

(d) the two are the same

The question was posed to me in unit test.

This interesting question is from Interrupts in chapter MSP430 Microcontroller of Microcontroller

Answer 1

Right choice is (a) it creates an interrupt vector entry that points to an interrupt routine name

To elaborate: The .intvec directive creates an interrupt vector entry that points to an interrupt routine name.