code segment assume cs:code sum_p proc near jcxz exit add ax,cx dec cx call sum_p exit: ret sum_p endp start: mov ax,2000h mov ds,ax mov ax,0 mov si,0 mov cx,7 call sum_p mov [si],ax mov ah,4ch int 21h

FastTools，比系统自带的Vlookup sum自带的快多啦-FastTools, a lot faster than the Vlookup sum comes with a built-in system!!