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#2
cnhanxiao2008-11-19 00:52
回复 1# 的帖子
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data segment
char equ '$'
ptrn db 'this is a example $'
charddr dw ?
count equ 19
data ends
coseg segment
assume cs: coseg,ds:data
start: mov ax,data
mov ds,ax
mov di,offset ptrn
mov al,char
mov cx ,count
cld
repne scasb
jz pasepr
mov di,1
pasepr:del di
mov charddr,di
mov ah,4ch
int 21h
coseg ends
end start
这个程序那里出错了?