مایکروسافت ماکرو اسمبلر

.model small
.stack 2048

.data
message db "Hello, World!", '$'

.code
main proc
	mov ax, @data
	mov ds, ax 
	
	mov ah, 09h
	mov dx, offset message
	int 21h
	
	mov ax, 4c00h
	int 21h
main endp
	end main

.386
.model small, stdcall
.stack 4096

includelib kernel32.lib

STD_OUTPUT_HANDLE equ -11					; predefined Win API constant

GetStdHandle proto, 				; get standard handle
	nStdHandle:dword 					; type of console handle

WriteConsoleA proto,					 	; write a buffer to the console
	hConsoleOutput:dword,				 	; output handle
	lpBuffer:ptr byte,					; pointer to buffer
	nNumberOfCharsToWrite:dword,		 		; size of buffer
	lpNumberOfCharsWritten:ptr dword,	 		; ptr to number of bytes written
	lpReserved:dword					; (not used)
	
ExitProcess proto,
	dwExitCode:dword

.data
message		db "Hello, World!"				; string to write
bytesWritten	dw ? 		 			; number of bytes written

.code
main proc
	invoke GetStdHandle, STD_OUTPUT_HANDLE			; returns console output handle to eax
		
	invoke WriteConsoleA,
		eax, 					; console output handle
		offset message,			 	; points to string
		13,					 	; string length
		offset bytesWritten, 		 		; returns number of bytes written
		0
	
	invoke ExitProcess, 0
main endp
	end main