.model small  
.stack 100h  
.data  
    msg db 'Hello, World!$' 
.code  
main proc  
    mov ax, @data        ; Initialize data segment  
    mov ds, ax  
lea dx, msg          ; Load address of the message  
    mov ah, 9            ; Function to display string  
    int 21h              ; Call DOS interrupt  
    mov ax, 4c00h        ; Exit program  
    int 21h  
main endp  
end main