实验十，，，码子～。。= =，

三个模块都集合在一个文件里了，，

assume cs:code,ss:stack



data segment

	db 10 dup (0)

data ends



stack segment

	db 16 dup (0)

stack ends



code segment

start:	mov ax,12666

	mov bx,data

	mov ds,bx

	mov bx,stack

	mov ss,bx

	mov sp,16

	mov si,0

	call dtoc



	mov dh,8

	mov dl,3

	mov cl,2

	call show_str

	

	mov ax,4c00h

	int 21h

	



dtoc:mov dx,0

	mov bp,sp

	mov cx,0

	push cx

s:mov cx,10

	call divdw

	push cx

	mov cx,dx

	jcxz j1

	jmp short s

j1:mov cx,ax

	jcxz ok

	jmp short s

ok:	pop cx

		jcxz finish

		add cx,30h

		mov [si],cl

		inc si

	  jmp short ok

finish:mov si,0

	ret	 



show_str:	push dx

		push cx

		push si

		

		mov ax,0b800h

		mov es,ax

		mov ax,0a0h

		mul dh

		mov bx,ax

		

		add dl,dl

		mov ax,0

		mov al,dl

		add bx,ax

		mov di,0

		;输出位置 es:[bx+di]

		

		mov dl,cl

		mov cx,0

	s1:	mov ch,0

		mov cl,[si]

		jcxz ok1

		mov ax,[si]

		mov es:[bx+di],ax				

		mov es:[bx+di+1],dl		

		inc si

		add di,2

		jmp short s1



	ok1:	pop si

		pop cx

		pop dx

		ret

		

divdw:mov bx,ax

	mov ax,dx

	mov dx,0

	div cx

	push ax

	mov ax,bx

	div cx

	mov cx,dx

	pop dx

	ret



code ends

end start