8086 Assembly Language Program to multiply two 16-bit numbers

data segment
num1 dw 1111h
num2 dw 2222h
prod dw 2 dup (0)
data ends

code segment
assume cs:code,ds:data
start:

mov ax,data
mov ds,ax

mov ax,num1
mul num2
lea si,prod
mov [si],ax
add si,2
mov [si],dx

mov ah,4ch
int 21h

code ends
end start

8086 Assembly Language Program to add the elements(word) of 2 arrays and store the result(word) in another array

data segment
arr1 dw 10h,20h,30h,40h,50h
arr2 dw 10h,20h,30h,40h,50h
arr3 dw 5 dup (0)
data ends

code segment
assume cs:code , ds:data
start:

mov ax,data
mov ds,ax

lea si,arr1
lea di,arr2
lea bx,arr3

mov cl,5
l1:
mov ax,[si]
add ax,[di]
mov [bx],ax

add si,2
add di,2
add bx,2
dec cl
jnz l1

mov ah,4ch
int 21h
code ends
end start

8086 Assembly Language Program to add the elements(byte) of 2 arrays and store the result(byte) in another array

data segment
arr1 db 10h,20h,30h,40h,50h
arr2 db 10h,20h,30h,40h,50h
arr3 db 5 dup (0)
data ends

code segment
assume cs:code , ds:data
start:

mov ax,data
mov ds,ax

lea si,arr1
lea di,arr2
lea bx,arr3

mov cl,5

l1:
mov al,[si]
add al,[di]
mov [bx],al
inc si
inc di
inc bx
dec cl
jnz l1

mov ah,4ch
int 21h
code ends
end start

8086 Assembly Language Program to add elements(word) of an array.Assume result is also a word

data segment
arr dw 10h,20h,30h,40h,50h
res dw 1 dup (0)
data ends

code segment
assume cs:code,ds:data
start:

mov ax,data
mov ds,ax

lea si,arr
mov ax,[si]
mov cl,5

inc si
inc si
dec cl

l1:add ax,[si]
inc si
inc si
dec cl
jnz l1

mov res, ax

mov ah,4ch
int 21h

code ends
end start

8086 Assembly Language Program to add the elements(byte) of an array. Assume that the result is also a byte

data segment
arr db 10h, 20h, 30h, 40h, 50h
res db 1 dup (0)
data ends

code segment
assume cs:code, ds:data
start:

mov ax,data
mov ds,ax

lea si, arr
mov cl,5
mov al,[si]

inc si
dec cl

l1:add al,[si]
inc si
dec cl
jnz l1

mov res, al

mov ah, 4ch
int 21h

code ends
end start