n = 20
data   segment      
	z   dw   n   dup(?)   
	data   ends   
	code   segment   
	assume   cs:code,ds:data   
start:   
	mov   ax,data   
	mov   ds,ax   
	mov   cx,n-2   
	mov   ax,1   
	mov   bx,1   
	mov   z,ax   
	mov   z+1,bx   
	mov   si,2
	
loop1:       
	add   ax,bx   
	mov   z[si],ax   
	inc   si   
	mov   dx,ax   
	mov   ax,bx   
	mov   bx,dx   
	dec   cx   
	jnz   loop1   
	mov   ax,4c00H   
	int   21H   
code    ends   
	end   start