;nasm -f elf64 -o as.o array_sum.asm
;ld -o as as.o

;somma n elementi di un vettore

BITS 64
%idefine offset

SECTION .data

valori db 1,2,3
n db $-valori
somma  db 1

SECTION .text

global _start

_start:
		mov rax,0			; rax = 0
		mov rcx,0
		mov cl, byte [n]			 
		lea rbx,[valori]	
				
_loop:
		add al, byte [rbx]
		inc bl
		loop _loop, ecx
		
		mov [somma],rax
		
		mov rax,60			; exit syscall (x86_64)
		mov rdi,0			; status = 0 (exit normally)
		syscall