assume        cs:code

a        segment
        dw        1,2,3,4,5,6,7,8,9,0ah,0bh,0ch,0dh,0eh,0fh,0ffh
a        ends

b        segment
        dw        0,0,0,0,0,0,0,0
b        ends

code        segment
        

start:        MOV ax,a
        mov ds,ax
        mov ax,b
        mov ss,ax
        mov sp,30h
        mov bx,0

        mov cx,8h

s:        push        ds:[bx]
        add        bx,2h
        loop        s

        mov ax,4c00h
        ...