Write a switch case driven X86/64 ALP to perform 64-bit hexadecimal arithmetic operations (+,-,*, /) using suitable macros. Define procedure for each operation.

 %macro disp 2    

mov rax,01h

mov rdi,01h

mov rsi,%1

mov rdx,%2

syscall

%endmacro

%macro inp 2

mov rax,00h

mov rdi,00h

mov rsi,%1

mov rdx,%2

syscall

%endmacro

section .data

msg1 db "enter first 8 bit hex no:",10

len1: equ $-msg1

msg2 db "enter second 8 bit hex no:",10

len2: equ $-msg2

msg3 db "Addition result is:",10

len3: equ $-msg3

section .bss

 

num1 resb 3

num2 resb 3  

res resb 02

section .text

global _start

_start:

disp msg1,len1

inp num1,03

disp msg2,len2

inp num2,03

mov rsi,num1

mov cl,04

xor bx,bx

mov ch,02

up:

cmp byte[rsi],39h

jng sk

sub byte[rsi],07h

sk:

sub byte[rsi],30h

shl bx,cl

add  bl,[rsi]

inc rsi

dec ch

jnz up

xor dx,dx

mov rsi,num2

mov cl,04

mov ch,02

up1:

cmp byte[rsi],39h

jng sk1

sub byte[rsi],07h

sk1:

sub byte[rsi],30h

shl dx,cl

add dl,[rsi]

inc rsi

dec ch

jnz up1

add bl,dl

mov al,bl

mov rsi,res

mov ch,02

mov cl,04

again1:

rol al,cl

mov bl,al

and bl,0fh

cmp bl,09h

jng skip2

add bl,07h

skip2:

add bl,30h

mov [rsi],bl

inc rsi

dec ch

jnz again1

disp res,02

mov rax,3ch

mov rdi,00

syscall