6.asm

里面有六个汇编程序

data	segment
	buf1 db "Please input numbers n(n<362):$"
	buf2 db 10,0,10 dup('$')
	buf3 db 0ah,0dh,"1+2+...+n=",24h
	buf4 dw ?
data 	ends
code	segment
	assume ds:data,cs:code
start:	mov ax,data
	mov ds,ax
	lea dx,buf1
	mov ah,9
	int 21h
	lea dx,buf2
	mov ah,0ah
	int 21h
	and cx,00ffh
	mov cl,buf2[1]
	lea si,buf2+2
	xor bx,bx
	mov dl,10
lop:	mov al,[si]
	and ax,000fh
	xchg bx,ax
	mul dl
	xchg bx,ax
	add bx,ax
	inc si
	loop lop
	mov dx,bx
	mov ax,dx
	call total
	mov buf4,ax
	lea dx,buf3
	mov ah,9
	int 21h
	mov ax,buf4
	call output
	mov ax,4c00h
	int 21h
total	proc	
	push dx
	dec dx
	cmp dx,1	
	je A
	call total
A:	add ax,dx
	pop dx
	ret
total	endp
output	proc
	mov cx,0	
	mov bx,10
B1:	mov dx,0 
	div bx
	add dl,30h
	push dx
	inc cx
	or ax,ax
	jz B2
	jmp B1
B2:	pop dx
	mov ah,2
	int 21h	
	loop B2
	ret
output	endp
code 	ends
	end start