Question: ( 5 points ) Suppose register i ( i 1 2 ) is initialized to have a value of i ( e . g .

(5 points) Suppose register i (i 12) is initialized to have a value of i (e.g. r0=0, r1=1, r2=2, r3=
3, etc.). Assumes the main stack (MSP) stack is used. In addition, in the interrupt handler, if LR =
0xFFFFFFF9, then the main stack (MSP) is used. If LR =0xFFFFFFFD, then the Process Stack
(PSP) is used.
When the interrupt occurs, the program status register (PSR)=0x00000020, PC =0x08000020, LR
=0x08000180, SP =0x20001000.

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