[setup]: prepare day 3

1 files changed, 27 insertions, 0 deletions

diff --git a/src/Day3.asm b/src/Day3.asm
new file mode 100644
index 0000000..0dd95a2
--- /dev/null
+++ b/src/Day3.asm
@@ -0,0 +1,27 @@
+; Advent of Code 2025 - Day 3
+
+bits 64
+default rel
+
+global _start
+
+%define SYS_EXIT 60
+%define SYS_WRITE 1
+
+%define STDOUT 1
+
+section .data
+    message db "Hello Day 3!", 0xA
+    length  equ $-message
+    
+section .text
+_start:
+    mov rax, SYS_WRITE
+    mov rdi, STDOUT
+    mov rsi, message
+    mov rdx, length
+    syscall
+
+    mov rax, SYS_EXIT
+    xor rdi, rdi
+    syscall