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本帖最后由 ckzmo 于 2011-3-6 13:11 编辑
题目就是吧12666显示在8行3列绿字
终于调试出来了- assume cs:code
- data segment
- db 10 dup(0)
- data ends
- code segment
- start:mov ax,12666
- mov bx,data
- mov ds,bx
- mov si,0
- call dtoc
-
- mov dh,8
- mov dl,3
- mov cl,2
- call show_str
-
- mov ax,4c00h
- int 21h
-
- dtoc:push bx
-
- s: mov dx,0
- mov cx,10d
- div cx
- mov cx,ax
- jcxz t
- add dx,30h
- mov ds:[si],dx
- push dx
- inc si
- mov bx,si
- jmp short s
-
- t: add bx,1
- mov cx,bx
- mov si,0
- add dx,30h
-
- s1 : mov ds:[si],dx
- pop dx
- inc si
- loop s1
-
- mov si,0
- ret
-
- show_str:mov al,0a0h
- dec dh
- mul dh
- mov bx,ax
-
- mov al,2
- mul dl
- sub ax,2
- add bx,ax
-
- mov dx,0b800h
- mov es,dx
-
- mov di,0
- mov al,cl
-
- s2:mov cl,ds:[si]
- mov ch,0
- jcxz x
- mov es:[bx+di],cl
- mov es:[bx+di+1],al
- inc si
- add di,2
- jmp short s2
-
- x:ret
-
- code ends
- end start
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