From 78c4d3d06d8e863cfe2489281ccfe206544cbd7f Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Sun, 6 Sep 2026 00:40:37 +0200
Subject: fix: add utilities

---
 aoc-2025/day3.asm | 69 +------------------------------------------------------
 1 file changed, 1 insertion(+), 68 deletions(-)

(limited to 'aoc-2025/day3.asm')

diff --git a/aoc-2025/day3.asm b/aoc-2025/day3.asm
index c8b8b75..8330755 100644
--- a/aoc-2025/day3.asm
+++ b/aoc-2025/day3.asm
@@ -5,20 +5,11 @@ default rel
 
 global _start
 
-%define SYS_EXIT   60
-%define SYS_READ   0
-%define SYS_WRITE  1
-%define SYS_OPEN   2
-%define SYS_CLOSE  3
-
-%define O_RDONLY   0
-%define STDOUT     1
+%include "utils/io.asm"
 
 section .data
     input_path db "input/day3.txt", 0
 
-    newline   db 10
-
     label1 db "Part 1: ", 0
     label2 db "Part 2: ", 0
 
@@ -31,7 +22,6 @@ section .bss
     sum2         resq 1
 
     work_digits   resb 64  ; stack for greedy subsequence
-    number_buffer resb 32  ; for printing
 
 section .text
 
@@ -242,60 +232,3 @@ get_max_for_k:
     jmp     .convert_loop
 .done:
     ret
-
-print_newline:
-    mov     rax, SYS_WRITE
-    mov     rdi, STDOUT
-    mov     rsi, newline
-    mov     rdx, 1
-    syscall
-    ret
-
-print_int64:
-    mov     rdi, number_buffer+31
-    mov     byte [rdi], 0
-    dec     rdi
-
-    cmp     rax, 0
-    jne     .conv
-
-    mov     byte [rdi], '0'
-    jmp     .done
-.conv:
-    mov     rbx, 10
-.next:
-    xor     rdx, rdx
-    div     rbx
-    add     dl, '0'
-    mov     [rdi], dl
-    dec     rdi
-    test    rax, rax
-    jnz     .next
-
-    inc     rdi
-.done:
-    mov     rax, SYS_WRITE
-    mov     rsi, rdi
-    mov     rdi, STDOUT
-    mov     rdx, number_buffer+31
-    sub     rdx, rsi
-    syscall
-    ret
-
-print_string:
-    push    rcx
-    push    rdx
-    mov     rdx, 0
-.length:
-    cmp     byte [rcx+rdx], 0
-    je      .submit
-    inc     rdx
-    jmp     .length
-.submit:
-    mov     rax, SYS_WRITE
-    mov     rdi, STDOUT
-    mov     rsi, rcx
-    syscall
-    pop     rdx
-    pop     rcx
-    ret
-- 
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