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发表于 2011-11-24 19:04:25
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cfer 发表于 2011-11-22 22:52
是什么程序,能让我看下不
就是在屏幕中间输出welcome to masn的那个实验,代码如下:
- assume cs:code,ds:data,ss:stack
- data segment
- db 'welcome to masn!'
- db 2H,24H,71H
- data ends
- stack segment
- dw 8 dup (0)
- stack ends
- code segment
- start: mov ax,data
- mov ds,ax
- mov ax,stack
- mov ss,ax
- mov sp,10h
- mov bx,0
- mov ax,0b872h
- mov cx,3
-
-
- s: push cx
- push ax
- push bx
-
- mov es,ax
- mov si,0
- mov di,0
- mov cx,10h
- s1: mov al,ds:[si]
- mov es:[di],al
- inc si
- add di,2
- loop s1
-
-
- mov di,1
- pop bx
- mov al,ds:10h[bx]
- inc bx
- mov cx,10h
-
- s2: mov es:[di],al
-
- add di,2
- loop s2
-
-
- pop ax
- add ax,0ah
- pop cx
-
- loop s
-
- mov ax,4c00h
- int 21h
- code ends
- end start
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