急啊 要交期末作业！大侠帮忙

data segment str db 'ababababababaasdfbabababababababa' count equ $-str data ends code segment assume cs:code,ds:data start: mov ax,data mov ds,ax lea si,str xor ax,ax xor bx,bx mov cx,count p1: mov al,[si] cmp al,'a' jne p2 inc si dec cx cmp cx,0 jz p3 mov al,[si] cmp al,'b' jnz p1 inc bl p2: inc si jmp p1 p3: mov al,bl mov bl,10 div bl cmp al,0 jz p4 mov cl,ah mov dl,al add dl,30h mov ah,2 int 21h p4: mov dl,cl add dl,30h mov ah,2 int 21h mov ah,4ch int 21h code ends end start

和第一个问题类似