sseg segment para stack 'stack' ;stack indicates this is stack space
 dw 100 dup (?)            &nbs p;    ;'stack' class name indicates combine with
sseg ends                       ;other stack segs

data segment
hello db 'hello$'
data ends

code segment
assume cs:code,ds:data      ;note assume directive points regs where they
main proc near              ; belong

     mov ax,data
     mov ds,ax
     mov ah,9
     mov dx,offset hello
     int 21h
     mov ah,4ch
     mov al,0
     int 21h
main endp
code ends
     end main