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;;; Kompiler og kjoer med: | |
;;; nasm -f elf64 -F stabs kake.asm && gcc -o kake kake.o && ./kake | |
global main | |
extern printf | |
segment .data | |
formatert db 'Svaret er: %u!', 0Ah, 0h | |
segment .text | |
;;; ADD IF MULTIPLE | |
add_if_multiple: | |
xor rdx, rdx | |
mov rax, rcx | |
div rdi | |
cmp rdx, 0 | |
jne add_if_multiple_exit | |
add rbx, rcx | |
add_if_multiple_exit: | |
ret | |
;;; MAIN ENTRY POINT | |
main: | |
mov rcx, 1000 ; itere fra 1000 til 0 | |
xor rbx, rbx ; spar sum i rbx, tøm.. | |
start_loop: | |
cmp rcx, 0 | |
je loop_exit | |
dec rcx | |
mov rdi, 3 ; delelig på 3? | |
call add_if_multiple | |
cmp rdx, 0 | |
je start_loop | |
mov rdi, 5 ; delelig på 5? | |
call add_if_multiple | |
jmp start_loop | |
loop_exit: | |
mov rsi, rbx | |
mov rdi, formatert ; Print, merk at 64 bit | |
call printf ; ikke bruker cdecl, men registre | |
mov rax, 0 | |
ret ; ret fra main => exit 0 |
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