This topic created in 3492 days ago, the information mentioned may be changed or developed.
data segment
mesage db "How do you do.",0dh,0ah,24h
data ends
code segment
assume cs : code,ds:data
start: mov ax,data
mov ds,ax
lea dx,mesage
mov ah,09h
int 21h
mov ah,4ch
int 21h
code ends
end start