refactor: clean up repository layout

1 files changed, 0 insertions, 107 deletions

diff --git a/aoc-2025/utils/io.asm b/aoc-2025/utils/io.asm
deleted file mode 100644
index 2081671..0000000
--- a/aoc-2025/utils/io.asm
+++ /dev/null
@@ -1,107 +0,0 @@
-; utils/io.asm - shared syscall constants, file reading, and output helpers.
-; This file is %included (not linked) by each day's solution.
-
-%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
-
-section .data
-    newline db 10
-
-section .bss
-    number_buffer resb 32
-
-section .text
-
-; read_file: open the path in RDI read-only, read up to RDX bytes into the
-; buffer in RSI, close, and return the number of bytes read in RAX.
-read_file:
-    mov     r8, rsi         ; buffer base
-    mov     r9, rdx         ; capacity
-    mov     rax, SYS_OPEN
-    mov     rsi, O_RDONLY
-    xor     rdx, rdx
-    syscall
-    mov     r10, rax        ; fd
-    xor     r11, r11        ; bytes read so far
-.loop:
-    mov     rax, SYS_READ
-    mov     rdi, r10
-    lea     rsi, [r8 + r11]
-    mov     rdx, r9
-    sub     rdx, r11
-    syscall
-    cmp     rax, 0
-    jle     .done
-    add     r11, rax
-    jmp     .loop
-.done:
-    mov     rax, SYS_CLOSE
-    mov     rdi, r10
-    syscall
-    mov     rax, r11
-    ret
-
-print_newline:
-    mov     rax, SYS_WRITE
-    mov     rdi, STDOUT
-    mov     rsi, newline
-    mov     rdx, 1
-    syscall
-    ret
-
-; print_int64: print the unsigned integer in RAX in decimal.
-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: print the NUL-terminated string pointed to by RCX.
-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