Sum_of_array.txt

section .data
    num_array dw 1234h, 5678h, 9876h, 5432h   ; Sample array of 16-bit numbers
    result dd 0                            ; 32-bit result initialized to 0
    n equ 4                                ; Number of elements in the array
    result_msg db 'The result of array addition is: ', 0

section .bss
    sum dd 0                                ; Variable to store the sum

section .text
global _start

_start:
    ; Initialize registers and pointers
    mov esi, num_array
    mov edi, result
    xor eax, eax
    xor edx, edx

    ; Loop through the array and add the elements
add_loop:
    ; Load a 16-bit number from the array into ax
    mov ax, [esi]

    ; Add the 16-bit number to the result (32-bit)
    add [edi], eax
    adc edx, 0  ; Add with carry for the high word

    ; Move to the next element
    add esi, 2
    add edi, 4

    ; Decrement the counter
    dec dword [n]

    ; Check if we've reached the end of the array
    jnz add_loop

    ; Store the result in the 'sum' variable for display
    mov [sum], edx
    mov [sum+4], eax

    ; Display the result message
    mov eax, 4
    mov ebx, 1
    mov ecx, result_msg
    mov edx, 33
    int 0x80

    ; Display the 32-bit result
    mov eax, 4
    mov ebx, 1
    mov ecx, sum
    mov edx, 8
    int 0x80

    ; Exit the program
    mov eax, 1
    mov ebx, 0
    int 0x80