汇编 fibonacci 斐波那契数列

DATAS SEGMENT
    mess1 db 'enter n:','$' ;db不能用中文
    stokin db 20, ?, 20 dup(0);
    asc db 48
    ten db 10
DATAS ENDS

STACKS SEGMENT
    ;此处输入堆栈段代码
STACKS ENDS

CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
    MOV AX,DATAS
    MOV DS,AX
   
   	lea dx,mess1
   	mov al, 0
   	mov ah, 9
   	int 21h
   	
   	lea dx,stokin
   	mov ah, 10
   	int 21h   	
   	call crlf
 
    ;处理成数字
    mov ch,0
    mov cl,stokin[1];存了多少占一个字节，不能给cx
    xor bx,bx

	mov ax,0
	
	mov bh, 0
	mov bp,48
	mov si, 10
	mov di, 2
l1:
	;SI源变址寄存器，DI目地变址寄存器
	
	mov bl,stokin[di]
	sub bx,bp
	
	mul si;ax*=10
	
	add al, bl
	inc di
	
	loop l1
	
	mov dx, ax
	mov cx, ax
	mov bx,1
	push bx
	push bx
	
	
	dec cx
	dec cx
	xor bx, bx
fi:
	pop ax
	pop bx
	add bx, ax
	push ax
	push bx
	loop fi
	
	
	mov dx, bx
	;mov bx, 48
	;add dx, bx

	;mov ah, 2
	;mov al, 0
	;int 21h;100->47
	;mov dl,ch
	;add dl,bl
	;mov ah,2
	;int 21h
	
	mov ax, dx
 	MOV BX,10  
 	MOV CX,0 
    

LOOP1:MOV DX,0  
	DIV BX     
 	ADD DL,'0' 
 	PUSH DX   
 	INC CX     
 	CMP AX,0     
 	JNZ LOOP1      
 	mov al, 0
 	MOV AH,2
 	
LOOP2:POP DX
 	INT 21H
 LOOP LOOP2

	MOV AH,4CH
    INT 21H
    
crlf proc near
	mov dh, 0
	mov dl, 0dh
	mov ah, 2
	int 21h
	
	mov dl,0ah
	mov ah, 2
	int 21h
	ret
crlf endp
CODES ENDS
    END START