$30pts$

$($a$)(10$ pts$)$ Generate the machine code corresponding to the Delay and Long$\_$Delay

subroutines of the following AVR assembly program. Use hexadecimal numbers to

represent the resulting code FOR EACH ASSEMBLY PROGRAM LINE THAT

GENERATES A MACHINE CODE.

$($b$)(5$ pts$)$ What is the size of this program in bytes?

$($c$)(5$ pts$)$ What are the values of R$20,$R$21,$R$22$ after the execution of Long$\_$Delay

subroutine?

$($d$)(5$ pts$)$ How long is the delay introduced by a single call of the following subrou$-$

tine Long$\_$Delay in seconds with a $1MHz$ clock frequency?

$($e$)(5$ pts$)$ What should be the minimum stack size to call the Long$\_$Delay subrou$-$

tine?