7.9的问题
assume cs:codesg,ds:datasg,ss:stacksgstacksg segment
dw 0,0,0,0,0,0,0,0
stacksg ends
datasg segment
db '1. display......'
db '2. brows........'
db '3. replaxce.....'
db '4. modify.......'
datasg ends
codesg segment
start: mov ax,stacksg
mov ss,ax
mov sp,16
mov ax,datasg
mov ds,ax
mov bx,0
mov cx,4
s0: push cx
mov si,0
mov cx,4
s: mov al,
and al,11011111b
mov ,al
inc si
loop s
add bx,16
pop cx
loop s0
mov ax,4c00h
int 21h
codesg ends
end startml后提示assembling:1.asm
erroe A4910: cannot open file : F:\TRY\ML.err
1.asm<26>:error A2070
1.asm<28>:error A2070 啊知道了我已经成功了把mov ,al
改成就行了但是这是为什么呢? 我的也是这个问题,书上说这是合理的,不晓得为什么,求解……
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