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在运行中断安装程序的时候,程序一直处于运行状态,好像进入什么死循环了,但是找不到错误,求大神解答!
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov si, offset output
mov ax,0
mov es,ax
mov di, 200H
mov cx, offset no - offset output
cld
rep movsb
mov ax,0
mov es,ax
mov word ptr ds:[7cH*4],200H
mov word ptr ds:[7cH*4+2],0
mov ax,4c00H
int 21H
output: mov ax,0b800H
mov es,ax
mov di,12*160+80
con: push cx
mov ch,[si]
jcxz outputend
pop cx
mov dh,[si]
mov es:[di],dh
mov es:[di+1],cl
inc di
inc di
inc si
jmp con
outputend: pop cx
iret
no: nop
code ends
end start |
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