$1.$ The initial value in R$4$ is $0$xFACE$5678,$ in R$7$ is $0$xBB$114433,$ and the initial value of the $4-$

bit condition code NZCV $=0$b$0000$

STOP MOVS R$4,$ #$0$x$5$A ; instruction $1$

MOVS R$7,$ #$0$x$0$ ; instruction $2$

CBNZ R$7,$ DONE ; instruction $3$

MOVW R$4,$ #$0$xABCD ; instruction $4$

DONE END ; instruction $5$

a$)$ Convert the instruction $1$ into machine code $($result in hexadecimal format$)$ using the

code format from the class note. $[3$ points$]$

b$)$ Convert the instruction $4$ into machine code $($result in hexadecimal format$)$ using the

code format from the class note. $[4$ points$]$

c$)$ What will be the condition code NZCV after the instruction $2$ is executed? What is the

value in R$7($word size $=32$ bits $=4$ bytes$)$ in hexadecimal format after the instruction

$2$ is executed? $[3$ points$]$

Student Name:

ID Number:

d$)$ After the instruction $3$ is executed, what is the next instruction to be executed $($instruction

$4$ or instruction $5)?$ Why? What will be the value in R$4($word size$)$ in hexadecimal

format after the instruction $5?[4$ points$]$

e$)$ If the STOP instruction is at the memory location $0$x$01000000,$ fill in the data in the

following memory block starting from $0$x$01000000$ based on instructions $1-4.[12$

points$]$

Even address content Odd address content

$0$x$01000008($instruction $4)$

$[2$ points$]$

$0$x$01000006($instruction $4)$

$[2$ points$]$

$0$x$01000004($instruction $3)$

$[4$ points$]$

$0$x$01000002($instruction $2)$

$[2$ points$]$

$0$x$10000000($instruction $1)$

$[2$ points$]$

f$)$ What is the program counter $($PC$)$ value when the instruction $2$ is executing? $[2$ points$]$

g$)$ What is the program counter $($PC$)$ value at the end of the program? $[2$ points$]$