编程，计算data段中的第一组数据的3次方，结果保存在后面一组dword单元中

assume cs:code

data segment
       dw   1,2,3,4,5,6,7,8
       dd   0,0,0,0,0,0,0,0
data ends

code segment

start:
             mov ax,data
             mov ds,ax
             mov si,0
             mov di,16

             mov cx,8
s:
             mov bx,[si]
             call cube
             mov [di], ax
             mov [di].2, dx
             add si,2
             add di,4
             loop s

             mov ax,4c00h
             int 21h

cube:
              mov ax,bx
              mul bx
              mul bx
              ret

code ends

end start