dseg segment
	w1 dq 0123456789ABCDEFH
	w2 dq 0
dseg ends

sseg segment stack
        dw 100h dup(?)
sseg ends

cseg segment
assume  ds:dseg,cs:cseg,ss:sseg,ES:DSEG
start:  mov ax,dseg
	mov ds,ax

	mov si,0
x:	mov al,byte ptr w1[si]
	mov byte ptr w2[si],al
	inc si
	cmp si,8
	jne x


        mov ah,4ch
        int 21h
cseg ends
end start