24 lines
262 B
NASM
24 lines
262 B
NASM
section .bss
|
|
buffer resb 20
|
|
|
|
section .text
|
|
global itoa
|
|
|
|
itoa:
|
|
mov rax, rdi
|
|
mov rsi, buffer + 19
|
|
mov byte [rsi], 0
|
|
dec rsi
|
|
.loop:
|
|
xor rdx, rdx
|
|
mov rcx, 10
|
|
div rcx
|
|
add dl, '0'
|
|
mov [rsi], dl
|
|
dec rsi
|
|
test rax, rax
|
|
jnz .loop
|
|
inc rsi
|
|
mov rax, rsi
|
|
ret
|