MI EXPT 1 NOT WORKING

include io.h



data segment
x db ?
y db ?
a db ?
b db ?
z dw ?
temp1 db ?
temp2 db ?
prompt1 db 'Enter x' ,0
prompt2 db 'Enter y' ,0
prompt3 db 'Enter a' ,0
prompt4 db 'Enter b' ,0
string db 40 DUP(?)
ans db 'the sum is'
sum db ?

data ends

code SEGMENT

ASSUME CS:code, DS:data

start: mov ax, SEG data
mov  ds, ax

prompt: output prompt1
inputs string,40
atoi string
mov x,al


output prompt2
inputs string, 40
atoi string
mov y,al


output prompt3
inputs string ,40
atoi string
mov a,al


output prompt4
inputs string ,40
atoi string
mov b,al



mov al,x
add al,y
mov temp1, al

mov al,a
sub al,b
mov temp2, al

mov al,x
sub al,y
mov x, al

mov al,a
add al,b
mov a, al



mov al, x
mov bl, a
mul bl
mov z,ax


mov al, temp1
mov bl, temp2
mul bl ; result in ax


div z
itoa sum,al
output al




int 21h
code ends

end start