这个实验9代码为什么不能成功
assume cs:code,ds:datadata segment
db'welcome to masm!'
db 02h,24h,71h
data ends
code segment
start: mov ax,0B872h
mov es,ax
mov ax,data
mov ds,ax
mov bx,0
mov ax,0
mov si,0
mov cx,16
s: mov al,
mov es:,al
mov al,
mov es:,al
mov al,
mov es:,al
inc bx
addsi,2
loop s
mov ax,0
mov si,0
mov cx,16
s0:mov al,
mov es:,al
mov al,
mov es:,al
mov al,
mov es:,al
add si,2
loop s0
mov ax,4c00h
int 21h
code ends
end start
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