code segment

assume cs:code

sum_p proc near

jcxz exit

add ax,cx

dec cx

call sum_p

exit: ret

sum_p endp

start: mov ax,2000h

mov ds,ax

mov ax,0

mov si,0

mov cx,7

call sum_p

mov [si],ax

mov ah,4ch

int 21h

code ends

end start-code segment assume cs: codesum_p proc near jcxz exit add ax, cx dec cx call sum_pexit: retsum_p endpstart: mov ax, 2000h mov ds, ax mov ax, 0 mov si, 0 mov cx, 7 call sum_p mov [si], ax mov ah, 4ch int 21hcode ends end start