LAB8

lab8from 2022.3.6

嘶,DOS debug编译进入程序 发现报错, 不给进, 没排查出问题, 先暂时放一放

assume cs:codesg
codesg segment
        mov ax,4c00h
        int 21h
start:     mov ax,0
    s:    nop
        nop
        mov di,offset s
        mov si,offset s2
        mov ax,cs:[si]
        mov cs:[di],ax
   s0:    jmp short s
   s1:    mov ax,0
           int 21h
           mov ax,0
   s2:  jmp short s1
           nop
   codesg ends
   end start