From aeafdc3a3508ae772f0816604a72958cbc4bf27d Mon Sep 17 00:00:00 2001
From: Ryan Myers <ryan.p.myers@gmail.com>
Date: Tue, 21 Sep 2021 22:20:04 -0400
Subject: [PATCH] Decompile osAiGetLength

---
 asm/non_matchings/unknown_003260/func_80002C00.s     | 2 +-
 asm/non_matchings/unknown_003260/func_80002DF8.s     | 2 +-
 lib/asm/non_matchings/unknown_0C9A20/func_800C8E20.s | 2 +-
 lib/src/{unknown_0C9A20.c => osAiGetLength.c}        | 5 ++++-
 4 files changed, 7 insertions(+), 4 deletions(-)
 rename lib/src/{unknown_0C9A20.c => osAiGetLength.c} (94%)

diff --git a/asm/non_matchings/unknown_003260/func_80002C00.s b/asm/non_matchings/unknown_003260/func_80002C00.s
index 8a3c0606..ce4a8b56 100644
--- a/asm/non_matchings/unknown_003260/func_80002C00.s
+++ b/asm/non_matchings/unknown_003260/func_80002C00.s
@@ -31,7 +31,7 @@ glabel func_80002C00
 /* 003874 80002C74 0C032180 */  jal   osAiSetFrequency
 /* 003878 80002C78 24445622 */   addiu $a0, $v0, 0x5622
 .L80002C7C:
-/* 00387C 80002C7C 0C032388 */  jal   func_800C8E20
+/* 00387C 80002C7C 0C032388 */  jal   osAiGetLength
 /* 003880 80002C80 00000000 */   nop   
 /* 003884 80002C84 3C188012 */  lui   $t8, %hi(D_8011962C) # $t8, 0x8012
 /* 003888 80002C88 8F18962C */  lw    $t8, %lo(D_8011962C)($t8)
diff --git a/asm/non_matchings/unknown_003260/func_80002DF8.s b/asm/non_matchings/unknown_003260/func_80002DF8.s
index bc9cb009..eaa70e3b 100644
--- a/asm/non_matchings/unknown_003260/func_80002DF8.s
+++ b/asm/non_matchings/unknown_003260/func_80002DF8.s
@@ -1,7 +1,7 @@
 glabel func_80002DF8
 /* 0039F8 80002DF8 27BDFFE8 */  addiu $sp, $sp, -0x18
 /* 0039FC 80002DFC AFBF0014 */  sw    $ra, 0x14($sp)
-/* 003A00 80002E00 0C032388 */  jal   func_800C8E20
+/* 003A00 80002E00 0C032388 */  jal   osAiGetLength
 /* 003A04 80002E04 AFA40018 */   sw    $a0, 0x18($sp)
 /* 003A08 80002E08 00027082 */  srl   $t6, $v0, 2
 /* 003A0C 80002E0C 15C00006 */  bnez  $t6, .L80002E28
diff --git a/lib/asm/non_matchings/unknown_0C9A20/func_800C8E20.s b/lib/asm/non_matchings/unknown_0C9A20/func_800C8E20.s
index 56289001..b399ec13 100644
--- a/lib/asm/non_matchings/unknown_0C9A20/func_800C8E20.s
+++ b/lib/asm/non_matchings/unknown_0C9A20/func_800C8E20.s
@@ -1,4 +1,4 @@
-glabel func_800C8E20
+glabel osAiGetLength
 /* 0C9A20 800C8E20 3C0EA450 */  lui   $t6, 0xa450
 /* 0C9A24 800C8E24 03E00008 */  jr    $ra
 /* 0C9A28 800C8E28 8DC20004 */   lw    $v0, 4($t6)
diff --git a/lib/src/unknown_0C9A20.c b/lib/src/osAiGetLength.c
similarity index 94%
rename from lib/src/unknown_0C9A20.c
rename to lib/src/osAiGetLength.c
index 3d802000..e6991be0 100644
--- a/lib/src/unknown_0C9A20.c
+++ b/lib/src/osAiGetLength.c
@@ -3,6 +3,7 @@
 
 #include "types.h"
 #include "macros.h"
+#include "PR/rcp.h"
 
 // This probably does not belong here. Please move it to the appropriate place!
 #define EQPOWER_LENGTH 128
@@ -31,4 +32,6 @@ s16 eqpower[ EQPOWER_LENGTH ] = {
     405,      0
 };
 
-GLOBAL_ASM("lib/asm/non_matchings/unknown_0C9A20/func_800C8E20.s")
+u32 osAiGetLength(void) {
+    return IO_READ(AI_LEN_REG);
+}