diff --git a/splat.yaml b/splat.yaml
index 8a42480..f11f6d2 100644
--- a/splat.yaml
+++ b/splat.yaml
@@ -101,7 +101,7 @@ segments:
       - [0x19050, c]
       - [0x19DD0, c]
       - [0x19E10, asm]
-      - [0x19E30, asm, "dma_load_loop"]
+      - [0x19E30, c]
       - [0x19EB0, asm]
       - [0x19FC0, c, "black"]
       - [0x1A050, c]
@@ -122,7 +122,7 @@ segments:
       - [0x1B320, asm]
       - [0x1B360, asm]
       - [0x1B3A0, asm]
-      - [0x1B3E0, asm]
+      - [0x1B3E0, c]
       - [0x1B510, asm]
       - [0x1B530, asm]
       - [0x1B650, asm]
@@ -137,7 +137,9 @@ segments:
       - [0x1C2B0, asm]
       - [0x1C670, asm, "libultra/io/piacs"]
       - [0x1C760, asm, "libultra/io/pidma"]
-      - [0x1C810, asm]
+      - [0x1C810, asm, "libultra/io/aigetlen"]
+      - [0x1C820, asm, "libultra/io/aigetstat"]
+      - [0x1C830, asm, "libultra/io/aisetfreq"]
       - [0x1C950, asm]
       - [0x1C9F0, asm, "libultra/audio/drvrNew"]
       - [0x1D220, asm, "libultra/audio/load"]
@@ -339,7 +341,16 @@ segments:
     subsegments:
       - [0x3F1B0, c]
       - [0x3FE70, c]
-      - [0x40640, asm]
+
+      - [0x40640, rodata]
+      - [0x40690, rodata]
+      - [0x406E0, rodata]
+      - [0x40730, rodata]
+      - [0x40780, rodata]
+      - [0x407D0, rodata]
+      - [0x40820, rodata]
+      - [0x40870, rodata]
+      - [0x40E10, rodata]
 
       - { start: 0x40E80, type: bss, vram: 0x800EB8F0 }
 
@@ -367,7 +378,35 @@ segments:
       - [0x5AFF0, asm]
       - [0x5C060, asm]
       - [0x5C1D0, asm]
-      - [0x5C210, asm]
+
+      - [0x5C210, rodata]
+      - [0x5C510, rodata]
+      - [0x5CD70, rodata]
+      - [0x5CEF0, rodata]
+      - [0x5CF00, rodata]
+      - [0x5CF20, rodata]
+      - [0x5CF30, rodata]
+      - [0x650A0, rodata]
+      - [0x650B0, rodata]
+      - [0x65220, rodata]
+      - [0x65230, rodata]
+      - [0x65260, rodata]
+      - [0x65280, rodata]
+      - [0x652A0, rodata]
+      - [0x65970, rodata]
+      - [0x659E0, rodata]
+      - [0x65B00, rodata]
+      - [0x65B80, rodata]
+      - [0x65C10, rodata]
+      - [0x65C50, rodata]
+      - [0x65CC0, rodata]
+      - [0x65D60, rodata]
+      - [0x65DD0, rodata]
+      - [0x66310, rodata]
+      - [0x663C0, rodata]
+      - [0x66570, rodata]
+      - [0x66B60, rodata]
+      - [0x66B80, rodata]
 
       - { start: 0x66E10, type: bss, vram: 0x80190F10 }
       
diff --git a/src/19050.c b/src/19050.c
index 2d0c8b2..8971c0a 100644
--- a/src/19050.c
+++ b/src/19050.c
@@ -70,7 +70,14 @@ void __thread_800893C0(void) {
 
 INCLUDE_ASM(const s32, "19050", func_8008949C);
 
-INCLUDE_ASM(const s32, "19050", func_80089528);
+// INCLUDE_ASM(const s32, "19050", func_80089528);
+
+void func_80089528(s8 arg0) {
+    extern s8 D_800E918D;
+    
+    D_800E918D = arg0;
+}
+
 
 INCLUDE_ASM(const s32, "19050", func_80089534);
 
diff --git a/src/19E30.c b/src/19E30.c
new file mode 100644
index 0000000..e731936
--- /dev/null
+++ b/src/19E30.c
@@ -0,0 +1,18 @@
+#include "common.h"
+
+extern void func_80089054(s32*, OSMesgQueue*, s32);
+extern void func_80089124(s32*);
+
+void __dma_load_loop(s32 arg0) {
+    s32 sp10[4];
+    OSMesgQueue mq;
+    OSMesg buf;
+    
+    osCreateMesgQueue(&mq, &buf, 1);
+    func_80089054(&sp10, &mq, 1);
+
+    for(; arg0 != 0; arg0--)
+        osRecvMesg(&mq, NULL, OS_MESG_BLOCK);
+    
+    func_80089124(&sp10);
+}
diff --git a/src/1A050.c b/src/1A050.c
index db8c7c6..ae6558b 100644
--- a/src/1A050.c
+++ b/src/1A050.c
@@ -2,6 +2,7 @@
 
 void romCopy(const void* src, const void* dst, const s32 len);
 s32 func_80089CF8(s16 arg0, s32 arg1);
+void __controller_thread_80089D9C(void*);
 
 OSPiHandle* CART_HANDLE;
 OSMesgQueue MQ_800BE030;
@@ -15,24 +16,36 @@ void func_80089C50(void) {
 }
 
 
-INCLUDE_ASM(const s32, "1A050", __init_controllers);
+// INCLUDE_ASM(const s32, "1A050", __init_controllers);
 
-// u8 __init_controllers(void) {
-//     ? sp18;
-//     u8 sp28;
+extern OSMesg D_800BBE60[8];
+
+extern OSMesgQueue MQ_CONTROLLER;
+extern OSThread THREAD_CONTROLLER;
+
+/* 1A060 80089C60 */
+u8 __init_controllers(void) {
+    u8 pattern;
+    OSContStatus data;
+    s32 pad[2];
+
+    osCreateMesgQueue(&MQ_CONTROLLER, D_800BBE60, 8);
+    osSetEventMesg(OS_EVENT_SI, &MQ_CONTROLLER, NULL);
+    
+    osContInit(&MQ_CONTROLLER, &pattern, &data);
+    
+    osCreateThread(&THREAD_CONTROLLER, 5, __controller_thread_80089D9C, NULL, &MQ_800BE030, 0x73);
+    osStartThread(&THREAD_CONTROLLER);
+    
+    return pattern;
+}
 
-//     osCreateMesgQueue(&MQ_CONTROLLER, &D_800BBE60, 8);
-//     osSetEventMesg(5, &MQ_CONTROLLER, 0);
-//     osContInit(&MQ_CONTROLLER, &sp28, &sp18);
-//     osCreateThread(&THREAD_CONTROLLER, 5, __controller_thread_80089D9C, NULL, &MQ_800BE030, 0x73);
-//     osStartThread(&THREAD_CONTROLLER);
-//     return sp28;
-// }
 
 // INCLUDE_ASM(const s32, "1A050", func_80089CF8);
-extern OSMesgQueue MQ_800E7988;
 
 s32 func_80089CF8(s16 arg0, s32 arg1) {
+    extern OSMesgQueue MQ_800E7988;
+
     typedef struct {
         /* 0x0 */ s16 unk0;
         /* 0x4 */ OSMesgQueue* msgQueue;
@@ -67,9 +80,6 @@ void __start_controller_thread(void) {
 
 INCLUDE_ASM(const s32, "1A050", __controller_thread_80089D9C);
 
-
-// INCLUDE_ASM(const s32, "1A050", initialise);
-
 void initialise(void) {
     extern s32 func_8008BD30();
     extern s32 D_800E7A20;
diff --git a/src/1B3E0.c b/src/1B3E0.c
new file mode 100644
index 0000000..ec1ba44
--- /dev/null
+++ b/src/1B3E0.c
@@ -0,0 +1,14 @@
+#include "common.h"
+
+void __start_thread_800BE1C0(void);
+void __thread_8008AFE0(void*);
+
+INCLUDE_ASM(const s32, "1B3E0", __thread_8008AFE0);
+
+void __start_thread_800BE1C0(void) {
+    extern u8 SP_THREAD_800BE1C0[1];
+    extern OSThread THREAD_800BE1C0;
+
+    osCreateThread(&THREAD_800BE1C0, 4, __thread_8008AFE0, NULL, SP_THREAD_800BE1C0, 0x32);
+    osStartThread(&THREAD_800BE1C0);
+}
diff --git a/src/boot.c b/src/boot.c
index c11d30c..aa2b755 100644
--- a/src/boot.c
+++ b/src/boot.c
@@ -1,7 +1,5 @@
 #include "common.h"
 
-#include <PR/os.h>
-
 void boot(void);
 void idle(void* arg);
 
diff --git a/symbol_addrs.txt b/symbol_addrs.txt
index 20bf23c..e68e871 100644
--- a/symbol_addrs.txt
+++ b/symbol_addrs.txt
@@ -10,6 +10,11 @@ D_80197168 = 0x80197168; // size:0x10
 
 D_800E7D90 = 0x800E7D90; // size:0x58
 D_800E7DE8 = 0x800E7DE8; // size:0x58
+D_800AEFE0 = 0x800AEFE0; // size:0x8
+
+osAiSetFrequency = 0x8008C430;
+osAiGetLength = 0x8008C410;
+osAiGetStatus = 0x8008C420;
 
 __osException = 0x80098D70;
 __osExceptionPreamble = 0x80098D60;
@@ -153,6 +158,7 @@ __scExec = 0x800943A4;
 __scAppendList = 0x8009434C;
 __scTaskComplete = 0x800942C0;
 __scTaskReady = 0x8009426C;
+__scYield = 0x80094474;
 __scHandleRDP = 0x800941DC;
 
 osViGetCurrentFramebuffer = 0x800951E0;