From 3684ba5da478a6811eeaa5bd3287550efce742c8 Mon Sep 17 00:00:00 2001
From: Ryan Myers <ryan.p.myers@gmail.com>
Date: Tue, 21 Sep 2021 20:22:29 -0400
Subject: [PATCH] Decompile alCopy

---
 lib/asm/non_matchings/unknown_0D43F0/alCopy.s | 37 -------------------
 lib/src/alCopy.c                              | 11 +++++-
 2 files changed, 10 insertions(+), 38 deletions(-)
 delete mode 100644 lib/asm/non_matchings/unknown_0D43F0/alCopy.s

diff --git a/lib/asm/non_matchings/unknown_0D43F0/alCopy.s b/lib/asm/non_matchings/unknown_0D43F0/alCopy.s
deleted file mode 100644
index 17bcae43..00000000
--- a/lib/asm/non_matchings/unknown_0D43F0/alCopy.s
+++ /dev/null
@@ -1,37 +0,0 @@
-glabel alCopy
-/* 0D4420 800D3820 00801025 */  move  $v0, $a0
-/* 0D4424 800D3824 00A01825 */  move  $v1, $a1
-/* 0D4428 800D3828 18C00018 */  blez  $a2, .L800D388C
-/* 0D442C 800D382C 00003825 */   move  $a3, $zero
-/* 0D4430 800D3830 30C50003 */  andi  $a1, $a2, 3
-/* 0D4434 800D3834 10A00009 */  beqz  $a1, .L800D385C
-/* 0D4438 800D3838 00A02025 */   move  $a0, $a1
-.L800D383C:
-/* 0D443C 800D383C 904E0000 */  lbu   $t6, ($v0)
-/* 0D4440 800D3840 24E70001 */  addiu $a3, $a3, 1
-/* 0D4444 800D3844 24630001 */  addiu $v1, $v1, 1
-/* 0D4448 800D3848 24420001 */  addiu $v0, $v0, 1
-/* 0D444C 800D384C 1487FFFB */  bne   $a0, $a3, .L800D383C
-/* 0D4450 800D3850 A06EFFFF */   sb    $t6, -1($v1)
-/* 0D4454 800D3854 10E6000D */  beq   $a3, $a2, .L800D388C
-/* 0D4458 800D3858 00000000 */   nop   
-.L800D385C:
-/* 0D445C 800D385C 904F0000 */  lbu   $t7, ($v0)
-/* 0D4460 800D3860 24E70004 */  addiu $a3, $a3, 4
-/* 0D4464 800D3864 24630004 */  addiu $v1, $v1, 4
-/* 0D4468 800D3868 A06FFFFC */  sb    $t7, -4($v1)
-/* 0D446C 800D386C 90580001 */  lbu   $t8, 1($v0)
-/* 0D4470 800D3870 24420004 */  addiu $v0, $v0, 4
-/* 0D4474 800D3874 A078FFFD */  sb    $t8, -3($v1)
-/* 0D4478 800D3878 9059FFFE */  lbu   $t9, -2($v0)
-/* 0D447C 800D387C A079FFFE */  sb    $t9, -2($v1)
-/* 0D4480 800D3880 9048FFFF */  lbu   $t0, -1($v0)
-/* 0D4484 800D3884 14E6FFF5 */  bne   $a3, $a2, .L800D385C
-/* 0D4488 800D3888 A068FFFF */   sb    $t0, -1($v1)
-.L800D388C:
-/* 0D448C 800D388C 03E00008 */  jr    $ra
-/* 0D4490 800D3890 00000000 */   nop   
-
-/* 0D4494 800D3894 00000000 */  nop   
-/* 0D4498 800D3898 00000000 */  nop   
-/* 0D449C 800D389C 00000000 */  nop   
diff --git a/lib/src/alCopy.c b/lib/src/alCopy.c
index b68d0ebc..9134fa85 100644
--- a/lib/src/alCopy.c
+++ b/lib/src/alCopy.c
@@ -4,6 +4,15 @@
 #include "types.h"
 #include "macros.h"
 
+//TODO: This probably belongs somewhere else
 s32 D_800E48A0[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 
-GLOBAL_ASM("lib/asm/non_matchings/unknown_0D43F0/alCopy.s")
\ No newline at end of file
+void alCopy(void *src, void *dest, s32 len) {
+    s32  i;
+    u8 *s = (u8 *)src;
+    u8 *d = (u8 *)dest;
+
+    for (i = 0; i < len; i++) {
+        *d++ = *s++;
+    }
+}