Euler Problem 1 in assembly

euler1.asm

;; nasm -f macho64 euler1.s --prefix _
;; ld -e _start -lSystem -macosx_version_min 10.7.0 -o hello euler1.o -lc

;; If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. 
;; The sum of these multiples is 23.

;; Find the sum of all the multiples of 3 or 5 below 1000.

use64
extern printf

global start
 
section .text

print:
    mov     rdi, type
    mov     rsi, [rbx - 0x4]
    mov     rax, 0
    call    printf
    ret

start:
    push    rbx
    mov     rbx, rsp
    sub     rsp, 16

    mov     qword [rbx - 0x4], 0
    mov     rcx, 999

label:
    push    rcx

    xor     rdx, rdx
    mov     rax, rcx
    mov     r8, 3
    div     r8

    cmp     rdx, 0
    je      true
    jmp     Try_Div5

Try_Div5:
    xor     rdx, rdx
    mov     rax, rcx
    mov     r8, 5
    div     r8

    cmp     rdx, 0
    je      true
    jmp     false

true:
    add    qword [rbx - 0x4], rcx

false:
    pop     rcx
    loop    label

finish:
    call    print
    mov     rsp, rbx

    mov     rax, 0x2000001 ; exit
    mov     rdi, 0
    syscall
    
section .data
type:    db "%d", $ - str, 0