; Assemble:	  nasm -f elf64 AddTwoSum_64.asm
; Link:		  gcc AddTwoSum_64.o -o AddTwoSum_64

; AddTwoSum_64.asm - Chapter 3 example.
; See http://www.asmirvine.com/gettingStartedVS2019/index.htm
; This is adapted for NASM.

    section .data       ; Data section, initialized variables
sum: dq 0

    section .text
    global main
main:
   mov  rax, 5
   add  rax, 6
   mov  [sum], rax

   mov  rax, 0
   ret