MASM Sum Average

sum_a.asm

include io.h

data segment
	lf db 0dh,0
	cr db 0ah,0
	n_prompt db "Enter n:",0
	num_prompt db "Enter number",0
	res_sum db "Sum = ",0
	res_avg db "Average = ",0
	n dw 40 DUP(?)
	bar dw 40 DUP(?)
	arr dw 100 DUP(?)
data ends

code segment
	Assume cs:code, ds:data

start:	mov ax, data
		mov ds,ax

		output n_prompt
		output lf
		output cr

		inputs bar,40
		atoi bar
		mov n,ax

		lea bx, arr
		mov dx,n

__inp:	output num_prompt
		output lf
		output cr
		inputs bar, 40
		atoi bar
		mov [bx],ax
		add bx,2
		dec dx
		cmp dx,0
		jne __inp
		
		mov ax,0
		lea bx,arr
		mov dx,n

sum:	add ax,[bx]
		add bx,2
		dec dx
		cmp dx,0
		jne sum

		itoa bar,ax
		output res_sum
		output bar

avg:	cwd
		idiv n

		itoa bar, ax
		output cr
		output lf
		output res_avg
		output bar

quit:	mov al,0
		mov ah,4ch
		int 21h

code ends
     end start

Enter n:
3
Enter number
2
Enter number
3
Enter number
4
Sum = 9

Average = 3