64-Bit-NASM-Assembly-Code-Examples/input_20_numbers_and_find_sum.asm at master · Sakib2263/64-Bit-NASM-Assembly-Code-Examples · GitHub

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; Write an assembly program that would input twenty numbers from the user and print
; sum, then the first number, then the 2nd number followed by 3rd number and so on.
segment .data
a: dq 2
b: dq 0
cnt: dq 0
fmt: dq "%lld ",10,0
fmt_in: dq "%lld", 0
fmt_out: dq "THE SUM IS: %lld", 10, 0

segment .bss
array resq 21

segment .text
global main
extern printf
extern scanf

main:
push RBP


mov RAX, 0
mov RCX, 0
mov RBX, 0

INPUT_ARRAY:
	cmp RCX, 20
	jz DONE
	mov [cnt], RCX
	mov RAX, 0
	mov RDI, fmt_in
	mov RSI, a
	call scanf
	mov RAX, [a]
	mov RCX, [cnt]
	mov [array+RCX*8], RAX
	add RBX, [a]
	inc RCX
	jmp INPUT_ARRAY

DONE:
	mov RAX, 0
	mov RCX, 0
	mov RDI, fmt_out
	mov RSI, RBX
	call printf
	mov RAX, 0
	mov RCX, 0
	mov RBX, 0

PRINT_ARRAY:
	cmp RCX, 20
	jz END
	mov RAX, [array+RCX*8]
	inc RCX
	mov [cnt], RCX
	mov RDI, fmt
	mov RSI, RAX
	call printf
	mov RCX, [cnt]
	jmp PRINT_ARRAY

END:
	mov RAX, 0
	pop RBP
ret