%macro s 4
	mov rax,%1;
	mov rdi,%2;
	mov rsi,%3;
	mov rdx,%4;
	syscall
%endmacro

section .data
msg db "Addition of numbers is "
msgLen equ $-msg
arr db 8,1,3,7,5   ;declare the numbers in the array

newline db "",10

section .bss
sum resw 2
temp resb 2

section .text

global _start
_start:

s 1,1,msg,msgLen
mov rsi, arr           ;move the register source index to the first element in the array
mov ax, 00h              ;initialize contents of accumulator and register b to 0
mov bx, 00h
mov cx, 5                 ;set the counter to 5
		
up2:
mov bl, byte[rsi]
add ax, bx
jnc skip
inc ah

skip:	 
inc rsi                 ;go to the next location
dec cx                  ;decrement the counter
jnz up2

mov word[sum],ax

mov bp, 4
mov ax, word[sum]

up:                                  ;simple hex to ascii conversion
rol ax, 4
mov bx, ax
and ax, 0fh
cmp al, 09
jbe down
add al, 07

down: 
add al, 30h
mov [temp], al
s 1, 1,temp, 1
mov ax, bx
dec bp
jnz up

s 1,1,newline,1           ;print the newline character

mov rax, 60      ;exit sequence
mov rdi,0
syscall