mov ch,17
next:dec ch
je exit
mov bx,0
shl ax,1
rol bx,1
cmp bx,0
jz next
inc cl
jmp next
exit:mov ah,4ch
int 21h
第二題：
mov cx,10
mov si,offset buffer
next:mov bx,word ptr[si]
inc bx
mov word ptr[si],bx
inc si
inc si
loop exit
jmp next
exit: mov ah,4ch
int 21h