; Name - Amoo Adeola Grace
; Matric No - 22:1206
; Department - Computer Science
 
 
section .data
     message    db      "Hello, world", 0x0A
     msg_len    equ     $ - message
 
section .text
    global _start
 
_start
    mov     rax, 1
    mov     rdi, 1
    lea     rsi, [rel message]
    mov     rdx, msg_len
    syscall
 
    mov     rax, 60
    xor     rdi, rdi
    syscall

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; hello64.asm — prints "Hello, world" then exits
section .data
    message     db      "Hello, world", 0x0A    ; the text + newline
    msg_len     equ     $ - message             ; length of the text

section .text
    global _start                              ; entry point for the program

_start:
    ; write(1, message, msg_len)
    mov     rax, 1          ; syscall number: write
    mov     rdi, 1          ; file descriptor: stdout
    lea     rsi, [rel message] ; address of message
    mov     rdx, msg_len     ; length of message
    syscall                 ; invoke the system call

    ; exit(0)
    mov     rax, 60         ; syscall number: exit
    xor     rdi, rdi        ; exit code 0
    syscall                 ; invoke exit