hello world nasm code example

Example 1: nasm hello world

; Print "Hello, world" in console
global  _main
extern  _printf

section .data
message: db  'Hello, World', 10, 0
    
section .text
_main:
    push message
    call _printf
    add esp, 4
    ret

Example 2: hello world

print("Hello World");

Example 3: nasm assebly hello world

section .data
		getBanner db "Hello, World!", 0xa        ; String To Be Printed
        lenGetBanner equ $-getBanner             ; Get Length of String
        
section .text
		global _start
        
_start:
		; Display Banner
        mov edx, lenGetBanner                    ; Message Length
        mov ecx, getBanner                       ; Message to write
        mov ebx, 1                               ; File Descriptor (stdout)
        mov eax, 4                               ; Call Sys_Write
        int 80h                                  ; Call Kernel

Example 4: nasm hello world

; This code is for Microsoft Windows
; It does not work well in other OS

global _main
extern _MessageBoxA@16
extern _ExitProcess@4

section code use32 class=code
_main:
	push	dword 0 ; UINT uType = MB_OK
	push	dword title ; LPCSTR lpCaption
	push	dword banner ; LPCSTR lpText
	push	dword 0 ; HWND hWnd = NULL
	call	_MessageBoxA@16

	push	dword 0 ; UINT uExitCode
	call	_ExitProcess@4

section data use32 class=data
	banner:	db 'Hello, world!', 0
	title:	db 'Hello', 0

Example 5: hello world

System.out.println("Hello world is my frist program ")