Finish decomping sav_chatot

18 files changed, 136 insertions, 156 deletions

diff --git a/arm9/arm9.lsf b/arm9/arm9.lsf
index b89ac7ce..7a8f19f1 100644
--- a/arm9/arm9.lsf
+++ b/arm9/arm9.lsf
@@ -112,7 +112,6 @@ Static arm9
 	Object unk_02029CEC.o
 	Object igt.o
 	Object sav_chatot.o
-	Object unk_02029EC4.o
 	Object unk_02029FB0.o
 	Object unk_0202A1E0.o
 	Object unk_0202A8F4.o
diff --git a/arm9/asm/scrcmd_3.s b/arm9/asm/scrcmd_3.s
index 28df2444..4568c590 100644
--- a/arm9/asm/scrcmd_3.s
+++ b/arm9/asm/scrcmd_3.s
@@ -173,7 +173,7 @@ FUN_0203FF10: ; 0x0203FF10
 	str r0, [sp, #0x30]
 	ldr r0, [r5, #0x0]
 	ldr r0, [r0, #0xc]
-	bl FUN_02029EF8
+	bl Sav2_Chatot_get
 	str r0, [sp, #0x34]
 	add r0, sp, #0x14
 	bl FUN_02081214
diff --git a/arm9/asm/unk_02005CFC.s b/arm9/asm/unk_02005CFC.s
index 6a601c58..7a7010b0 100644
--- a/arm9/asm/unk_02005CFC.s
+++ b/arm9/asm/unk_02005CFC.s
@@ -30,7 +30,7 @@ FUN_02005D20: ; 0x02005D20
 	bl FUN_02003D38
 	add r4, r0, #0x0
 	add r0, r5, #0x0
-	bl FUN_02029F04
+	bl Chatot_exists
 	cmp r0, #0x0
 	bne _02005D3A
 	mov r0, #0x0
@@ -80,10 +80,10 @@ _02005D70:
 	lsl r0, r0, #0x10
 	lsr r4, r0, #0x10
 	add r0, r6, #0x0
-	bl FUN_02029F10
+	bl Chatot_GetData
 	add r1, r0, #0x0
 	ldr r0, [sp, #0x0]
-	bl FUN_02029F14
+	bl Chatot_Decode
 	mov r0, #0xe
 	bl FUN_02004930
 	str r0, [sp, #0x8]
@@ -192,7 +192,7 @@ FUN_02005E6C: ; 0x02005E6C
 	bl FUN_02004DB4
 	add r1, r0, #0x0
 	add r0, r4, #0x0
-	bl FUN_02029F4C
+	bl Chatot_Encode
 	pop {r4, pc}
 	.balign 4
 
@@ -250,14 +250,14 @@ _02005EDC: .word 0x000001B9
 FUN_02005EE0: ; 0x02005EE0
 	push {r4, lr}
 	add r4, r0, #0x0
-	bl FUN_02029F04
+	bl Chatot_exists
 	cmp r0, #0x0
 	bne _02005EF0
 	mov r0, #0x0
 	pop {r4, pc}
 _02005EF0:
 	add r0, r4, #0x0
-	bl FUN_02029F10
+	bl Chatot_GetData
 	mov r1, #0xf
 	ldrsb r0, [r0, r1]
 	sub r1, #0x2d
diff --git a/arm9/asm/unk_02029EC4.s b/arm9/asm/unk_02029EC4.s
deleted file mode 100644
index 2c4bdd91..00000000
--- a/arm9/asm/unk_02029EC4.s
+++ /dev/null
@@ -1,92 +0,0 @@
-	.include "asm/macros.inc"
-    .include "global.inc"
-
-	.text
-
-	thumb_func_start FUN_02029F14
-FUN_02029F14: ; 0x02029F14
-	push {r4-r7}
-	mov r5, #0x0
-	mov r2, #0xfa
-	add r4, r5, #0x0
-	mov r6, #0xf
-	lsl r2, r2, #0x2
-_02029F20:
-	ldrsb r7, [r1, r4]
-	add r3, r0, r5
-	and r7, r6
-	lsl r7, r7, #0x18
-	lsr r7, r7, #0x18
-	sub r7, #0x8
-	lsl r7, r7, #0x18
-	asr r7, r7, #0x14
-	strb r7, [r0, r5]
-	ldrsb r7, [r1, r4]
-	add r4, r4, #0x1
-	add r5, r5, #0x2
-	lsl r7, r7, #0x14
-	lsr r7, r7, #0x18
-	sub r7, #0x8
-	lsl r7, r7, #0x18
-	asr r7, r7, #0x14
-	strb r7, [r3, #0x1]
-	cmp r4, r2
-	blt _02029F20
-	pop {r4-r7}
-	bx lr
-
-	thumb_func_start FUN_02029F4C
-FUN_02029F4C: ; 0x02029F4C
-	push {r4-r7}
-	add r3, r0, #0x0
-	add r2, r1, #0x0
-	mov r0, #0x1
-	mov r1, #0x0
-	str r0, [r3, #0x0]
-	add r0, r1, #0x0
-_02029F5A:
-	ldrsb r4, [r2, r0]
-	add r6, r3, r1
-	add r7, r2, r0
-	asr r5, r4, #0x3
-	lsr r5, r5, #0x1c
-	add r5, r4, r5
-	lsl r4, r5, #0x14
-	asr r4, r4, #0x18
-	add r4, #0x8
-	strb r4, [r6, #0x4]
-	mov r4, #0x4
-	ldrsb r5, [r6, r4]
-	mov r4, #0x1
-	ldrsb r4, [r7, r4]
-	add r0, r0, #0x2
-	add r1, r1, #0x1
-	asr r7, r4, #0x3
-	lsr r7, r7, #0x1c
-	add r7, r4, r7
-	lsl r4, r7, #0x14
-	asr r4, r4, #0x18
-	add r4, #0x8
-	lsl r4, r4, #0x18
-	lsr r4, r4, #0x14
-	orr r4, r5
-	strb r4, [r6, #0x4]
-	mov r4, #0x7d
-	lsl r4, r4, #0x4
-	cmp r0, r4
-	blt _02029F5A
-	pop {r4-r7}
-	bx lr
-	.balign 4
-
-	thumb_func_start FUN_02029F9C
-FUN_02029F9C: ; 0x02029F9C
-	add r2, r0, #0x0
-	add r0, r1, #0x0
-	add r1, r2, #0x0
-	mov r2, #0xfb
-	ldr r3, _02029FAC ; =MIi_CpuCopyFast
-	lsl r2, r2, #0x2
-	bx r3
-	nop
-_02029FAC: .word MIi_CpuCopyFast
diff --git a/arm9/asm/unk_020476CC.s b/arm9/asm/unk_020476CC.s
index 7e25689f..54679259 100644
--- a/arm9/asm/unk_020476CC.s
+++ b/arm9/asm/unk_020476CC.s
@@ -97,7 +97,7 @@ _0204775C:
 	add r4, r7, #0x0
 _02047774:
 	add r0, r5, #0x0
-	bl FUN_02029EE4
+	bl Chatot_new
 	mov r1, #0x46
 	lsl r1, r1, #0x2
 	str r0, [r4, r1]
@@ -455,11 +455,11 @@ FUN_02047A64: ; 0x02047A64
 	add r2, r0, r2
 	mov r0, #0x46
 	lsl r0, r0, #0x2
-	ldr r3, _02047A74 ; =FUN_02029F9C
+	ldr r3, _02047A74 ; =Chatot_copy
 	ldr r0, [r2, r0]
 	bx r3
 	nop
-_02047A74: .word FUN_02029F9C
+_02047A74: .word Chatot_copy
 
 	thumb_func_start FUN_02047A78
 FUN_02047A78: ; 0x02047A78
@@ -480,7 +480,7 @@ FUN_02047A78: ; 0x02047A78
 	bl Sav2_Pokedex_get
 	str r0, [sp, #0x4]
 	ldr r0, [r4, #0xc]
-	bl FUN_02029EF8
+	bl Sav2_Chatot_get
 	str r0, [sp, #0x8]
 	ldr r0, [r4, #0xc]
 	bl Sav2_PlayerData_GetOptionsAddr
@@ -628,7 +628,7 @@ FUN_02047BC0: ; 0x02047BC0
 	str r0, [sp, #0xc]
 	ldr r0, [sp, #0x0]
 	ldr r0, [r0, #0xc]
-	bl FUN_02029EF8
+	bl Sav2_Chatot_get
 	str r0, [sp, #0x8]
 	ldr r0, [sp, #0x0]
 	ldr r0, [r0, #0xc]
@@ -795,7 +795,7 @@ FUN_02047D48: ; 0x02047D48
 	str r0, [sp, #0x18]
 	ldr r0, [sp, #0x0]
 	ldr r0, [r0, #0xc]
-	bl FUN_02029EF8
+	bl Sav2_Chatot_get
 	str r0, [sp, #0x14]
 	ldr r0, [sp, #0x0]
 	ldr r0, [r0, #0xc]
diff --git a/arm9/asm/unk_0206BF90.s b/arm9/asm/unk_0206BF90.s
index d672d875..acf84738 100644
--- a/arm9/asm/unk_0206BF90.s
+++ b/arm9/asm/unk_0206BF90.s
@@ -572,7 +572,7 @@ _0206C350:
 	add r0, r4, #0x0
 	ldr r1, [r2, r1]
 	add r0, #0x20
-	bl FUN_02029F9C
+	bl Chatot_copy
 	mov r0, #0x1
 	pop {r4, pc}
 	.balign 4
diff --git a/arm9/asm/unk_02080C38.s b/arm9/asm/unk_02080C38.s
index 0f1630ed..36539633 100644
--- a/arm9/asm/unk_02080C38.s
+++ b/arm9/asm/unk_02080C38.s
@@ -916,7 +916,7 @@ _020812F2:
 	add r5, r4, #0x0
 _02081304:
 	mov r0, #0x14
-	bl FUN_02029EE4
+	bl Chatot_new
 	mov r1, #0x57
 	lsl r1, r1, #0x2
 	str r0, [r5, r1]
@@ -927,7 +927,7 @@ _02081304:
 	add r0, r1, #0x0
 	ldr r0, [r4, r0]
 	ldr r1, [r6, #0x20]
-	bl FUN_02029F9C
+	bl Chatot_copy
 	ldr r0, [r6, #0x8]
 	ldr r1, [r4, #0x0]
 	bl CopyPokemonToPokemon
@@ -1900,7 +1900,7 @@ _02081A7C:
 	strb r0, [r4, r2]
 	pop {r3-r7, pc}
 _02081A8A:
-	bl FUN_02029EC4
+	bl Sav2_Chatot_sizeof
 	add r2, r0, #0x0
 	mov r0, #0x57
 	lsl r0, r0, #0x2
diff --git a/arm9/asm/unk_020834D0.s b/arm9/asm/unk_020834D0.s
index e86c6f2d..39062a81 100644
--- a/arm9/asm/unk_020834D0.s
+++ b/arm9/asm/unk_020834D0.s
@@ -830,7 +830,7 @@ FUN_02083AA8: ; 0x02083AA8
 	push {r3-r5, lr}
 	add r5, r2, #0x0
 	add r4, r3, #0x0
-	bl FUN_02029EC4
+	bl Sav2_Chatot_sizeof
 	add r2, r0, #0x0
 	ldrb r1, [r5, r2]
 	add r0, r5, #0x0
@@ -854,7 +854,7 @@ FUN_02083AD4: ; 0x02083AD4
 	add r4, r0, #0x0
 	add r7, r1, #0x0
 	add r6, r2, #0x0
-	bl FUN_02029EC4
+	bl Sav2_Chatot_sizeof
 	add r5, r0, #0x0
 	ldr r0, _02083B0C ; =0x00000585
 	add r4, r4, r0
diff --git a/arm9/global.inc b/arm9/global.inc
index 6a3b9a32..e4c26196 100644
--- a/arm9/global.inc
+++ b/arm9/global.inc
@@ -1977,16 +1977,16 @@
 .extern AddIGTSeconds
 .extern GetIGTHours
 .extern GetIGTMinutes
-.extern FUN_02029EC4
-.extern FUN_02029ECC
-.extern FUN_02029EE4
-.extern FUN_02029EF8
-.extern FUN_02029F04
-.extern FUN_02029F08
-.extern FUN_02029F10
-.extern FUN_02029F14
-.extern FUN_02029F4C
-.extern FUN_02029F9C
+.extern Sav2_Chatot_sizeof
+.extern Sav2_Chatot_init
+.extern Chatot_new
+.extern Sav2_Chatot_get
+.extern Chatot_exists
+.extern Chatot_invalidate
+.extern Chatot_GetData
+.extern Chatot_Decode
+.extern Chatot_Encode
+.extern Chatot_copy
 .extern FUN_02029FB0
 .extern FUN_02029FB8
 .extern FUN_02029FC8
diff --git a/arm9/modules/05/asm/module_05.s b/arm9/modules/05/asm/module_05.s
index ebf46a48..ffb9dbe2 100644
--- a/arm9/modules/05/asm/module_05.s
+++ b/arm9/modules/05/asm/module_05.s
@@ -7747,8 +7747,8 @@ _021EC544:
 	cmp r0, #0
 	bne _021EC572
 	add r0, r7, #0
-	bl FUN_02029EF8
-	bl FUN_02029F08
+	bl Sav2_Chatot_get
+	bl Chatot_invalidate
 _021EC572:
 	add sp, #0x24
 	pop {r4, r5, r6, r7, pc}
diff --git a/arm9/modules/14/asm/module_14.s b/arm9/modules/14/asm/module_14.s
index b95ab0d6..65c14608 100644
--- a/arm9/modules/14/asm/module_14.s
+++ b/arm9/modules/14/asm/module_14.s
@@ -122,8 +122,8 @@ StoragePC_Overlay_Teardown: ; 0x021D75B8
 	mov r0, #0x47
 	lsl r0, r0, #2
 	ldr r0, [r4, r0]
-	bl FUN_02029EF8
-	bl FUN_02029F08
+	bl Sav2_Chatot_get
+	bl Chatot_invalidate
 _021D75DE:
 	mov r0, #0x45
 	lsl r0, r0, #2
diff --git a/arm9/modules/71/asm/module_71.s b/arm9/modules/71/asm/module_71.s
index b9d99cf4..4b488741 100644
--- a/arm9/modules/71/asm/module_71.s
+++ b/arm9/modules/71/asm/module_71.s
@@ -1161,7 +1161,7 @@ _0222DF74:
 	b _0222E0E8
 _0222DF80:
 	ldr r0, [r4, #4]
-	bl FUN_02029EF8
+	bl Sav2_Chatot_get
 	bl MOD71_0222F528
 	ldr r0, [r4, #0x4c]
 	add r0, r0, #1
@@ -3446,7 +3446,7 @@ MOD71_0222F264: ; 0x0222F264
 	cmp r0, r1
 	bne _0222F2AE
 	ldr r0, [r4, #4]
-	bl FUN_02029EF8
+	bl Sav2_Chatot_get
 	mov r1, #0
 	mov r2, #0x64
 	add r3, r1, #0
@@ -6379,8 +6379,8 @@ _02230A40:
 	cmp r0, #0
 	bne _02230A98
 	ldr r0, [r5, #0x10]
-	bl FUN_02029EF8
-	bl FUN_02029F08
+	bl Sav2_Chatot_get
+	bl Chatot_invalidate
 _02230A98:
 	ldr r0, [r5, #0x10]
 	add r1, r4, #0
diff --git a/arm9/modules/80/asm/module_80.s b/arm9/modules/80/asm/module_80.s
index 9abe50f0..512cdc80 100644
--- a/arm9/modules/80/asm/module_80.s
+++ b/arm9/modules/80/asm/module_80.s
@@ -16126,8 +16126,8 @@ _02235590:
 	bne _022355DC
 	ldr r0, [r5]
 	ldr r0, [r0, #0x20]
-	bl FUN_02029EF8
-	bl FUN_02029F08
+	bl Sav2_Chatot_get
+	bl Chatot_invalidate
 _022355DC:
 	cmp r6, #0
 	beq _022355EA
diff --git a/arm9/src/main.c b/arm9/src/main.c
index c05fa1f3..863cb654 100644
--- a/arm9/src/main.c
+++ b/arm9/src/main.c
@@ -33,7 +33,7 @@ extern void GF_InitRTCWork(void);
 extern void FUN_02002C14(void);
 extern void FUN_02002C50(int, int);
 extern struct SaveBlock2 * SaveBlock2_new(void);
-extern void * FUN_02029EF8(struct SaveBlock2 *);
+extern void * Sav2_Chatot_get(struct SaveBlock2 *);
 extern int FUN_020337E8(int);
 extern void FUN_02034188(int, int);
 extern int FUN_020227FC(struct SaveBlock2 *);
@@ -73,7 +73,7 @@ THUMB_FUNC void NitroMain(void)
     FUN_02002C50(3, 3);
     UNK_02016FA8.unk10 = -1;
     UNK_02016FA8.unk18 = SaveBlock2_new();
-    InitSoundData(FUN_02029EF8(UNK_02016FA8.unk18), Sav2_PlayerData_GetOptionsAddr(UNK_02016FA8.unk18));
+    InitSoundData(Sav2_Chatot_get(UNK_02016FA8.unk18), Sav2_PlayerData_GetOptionsAddr(UNK_02016FA8.unk18));
     Init_Timer3();
     if (FUN_020337E8(3) == 3)
         FUN_02034188(3, 0);
diff --git a/arm9/src/sav_chatot.c b/arm9/src/sav_chatot.c
index f2707821..7b240a99 100644
--- a/arm9/src/sav_chatot.c
+++ b/arm9/src/sav_chatot.c
@@ -1,49 +1,98 @@
 #include "global.h"

 #include "MI_memory.h"

 #include "heap.h"

-#include "save_block_2.h"

+#include "sav_chatot.h"

 

-struct SaveChatotSoundClip

-{

-    // TODO: Fill this in

-    BOOL exists;

-    s8 data[1000];

-};

-

-THUMB_FUNC u32 FUN_02029EC4(void)

+THUMB_FUNC u32 Sav2_Chatot_sizeof(void)

 {

     return sizeof(struct SaveChatotSoundClip);

 }

 

-THUMB_FUNC void FUN_02029ECC(struct SaveChatotSoundClip * chatot)

+THUMB_FUNC void Sav2_Chatot_init(struct SaveChatotSoundClip * chatot)

 {

     MIi_CpuClear32(0, chatot, sizeof(struct SaveChatotSoundClip));

     chatot->exists = FALSE;

 }

 

-THUMB_FUNC struct SaveChatotSoundClip * FUN_02029EE4(u32 heap_id)

+THUMB_FUNC struct SaveChatotSoundClip * Chatot_new(u32 heap_id)

 {

     struct SaveChatotSoundClip * ret = (struct SaveChatotSoundClip *)AllocFromHeap(heap_id, sizeof(struct SaveChatotSoundClip));

-    FUN_02029ECC(ret);

+    Sav2_Chatot_init(ret);

     return ret;

 }

 

-THUMB_FUNC struct SaveChatotSoundClip * FUN_02029EF8(struct SaveBlock2 * sav2)

+THUMB_FUNC struct SaveChatotSoundClip * Sav2_Chatot_get(struct SaveBlock2 * sav2)

 {

     return (struct SaveChatotSoundClip *) SavArray_get(sav2, 22);

 }

 

-THUMB_FUNC u32 FUN_02029F04(struct SaveChatotSoundClip * chatot)

+THUMB_FUNC BOOL Chatot_exists(struct SaveChatotSoundClip * chatot)

 {

     return chatot->exists;

 }

 

-THUMB_FUNC void FUN_02029F08(struct SaveChatotSoundClip * chatot)

+THUMB_FUNC void Chatot_invalidate(struct SaveChatotSoundClip * chatot)

 {

     chatot->exists = FALSE;

 }

 

-THUMB_FUNC s8 * FUN_02029F10(struct SaveChatotSoundClip * chatot)

+THUMB_FUNC s8 * Chatot_GetData(struct SaveChatotSoundClip * chatot)

 {

     return chatot->data;

 }

+

+static inline s8 transform(u8 value)

+{

+    return (s8)(value - 8);

+}

+

+THUMB_FUNC void Chatot_Decode(s8 * dest, const s8 * data)

+{

+    s32 i;

+    s32 dest_i;

+    u8 val;

+    s8 val2;

+

+    for (dest_i = 0, i = 0; i < 1000; i++, dest_i += 2)

+    {

+        val = (u8)(data[i] & 0xF);

+        val2 = transform(val);

+        dest[dest_i + 0] = (s8)(val2 << 4);

+        val = (u8)(data[i] >> 4);

+        val2 = transform(val);

+        dest[dest_i + 1] = (s8)(val2 << 4);

+    }

+}

+

+static inline u8 untransform(s8 val)

+{

+    val /= 16;

+    return (u8)(val + 8);

+}

+

+THUMB_FUNC void Chatot_Encode(struct SaveChatotSoundClip * chatot, const s8 * data)

+{

+    s32 src_i;

+    s32 i = 0;

+    u8 val2;

+    s8 val;

+    chatot->exists = TRUE;

+

+    for (src_i = 0; src_i < 2000; src_i += 2)

+    {

+        val = data[src_i + 0];

+        val2 = untransform(val);

+        chatot->data[i] = (s8)val2;

+

+        val = data[src_i + 1];

+        val2 = untransform(val);

+        chatot->data[i] |= val2 << 4;

+

+        i++;

+    }

+}

+

+THUMB_FUNC void Chatot_copy(struct SaveChatotSoundClip * dest, const struct SaveChatotSoundClip * src)

+{

+    MIi_CpuCopyFast(src, dest, sizeof(struct SaveChatotSoundClip));

+}

diff --git a/arm9/src/save_arrays.c b/arm9/src/save_arrays.c
index 8520f2c1..f4b18b86 100644
--- a/arm9/src/save_arrays.c
+++ b/arm9/src/save_arrays.c
@@ -15,6 +15,7 @@
 #include "seal.h"
 #include "unk_020139D8.h"
 #include "unk_02024E64.h"
+#include "sav_chatot.h"
 
 extern u32 FUN_0202AC20(void);
 extern u32 FUN_02034D7C(void);
@@ -26,7 +27,7 @@ extern u32 FUN_02028054(void);
 extern u32 FUN_02028980(void);
 extern u32 FUN_02029A84(void);
 extern u32 FUN_02029FB0(void);
-extern u32 FUN_02029EC4(void);
+extern u32 Sav2_Chatot_sizeof(void);
 extern u32 FUN_0202A89C(void);
 extern u32 FUN_0202A8F4(void);
 extern u32 FUN_0202A924(void);
@@ -47,7 +48,6 @@ extern void FUN_0202805C(void *);
 extern void FUN_02028994(void *);
 extern void FUN_02029A8C(void *);
 extern void FUN_02029FB8(void *);
-extern void FUN_02029ECC(void *);
 extern void FUN_0202A8A4(void *);
 extern void FUN_0202A8F8(void *);
 extern void FUN_0202A92C(void *);
@@ -87,7 +87,7 @@ const struct SaveChunkHeader UNK_020EE700[] = {
     { 19, 0, (SAVSIZEFN)FUN_02029A84, (SAVINITFN)FUN_02029A8C },
     { 20, 0, (SAVSIZEFN)FUN_02029FB0, (SAVINITFN)FUN_02029FB8 },
     { 21, 0, (SAVSIZEFN)Sav2_SealCase_sizeof, (SAVINITFN)Sav2_SealCase_init },
-    { 22, 0, (SAVSIZEFN)FUN_02029EC4, (SAVINITFN)FUN_02029ECC },
+    { 22, 0, (SAVSIZEFN)Sav2_Chatot_sizeof, (SAVINITFN)Sav2_Chatot_init },
     { 23, 0, (SAVSIZEFN)FUN_0202A89C, (SAVINITFN)FUN_0202A8A4 },
     { 24, 0, (SAVSIZEFN)FUN_0202A8F4, (SAVINITFN)FUN_0202A8F8 },
     { 25, 0, (SAVSIZEFN)FUN_0202A924, (SAVINITFN)FUN_0202A92C },
diff --git a/arm9/src/scrcmd_sound.c b/arm9/src/scrcmd_sound.c
index 5acaae1e..df611ec7 100644
--- a/arm9/src/scrcmd_sound.c
+++ b/arm9/src/scrcmd_sound.c
@@ -1,6 +1,6 @@
 #include "scrcmd.h"
 
-extern void* FUN_02029EF8(struct SaveBlock2* sav2);
+extern void* Sav2_Chatot_get(struct SaveBlock2* sav2);
 extern u32 FUN_02005D20(void *);
 extern void FUN_02005E6C(void *);
 extern void FUN_0200433C(u32, u32, u32);
@@ -203,7 +203,7 @@ THUMB_FUNC BOOL ScrCmd_Unk0059(struct ScriptContext* ctx)
 {
     u16* ret_ptr = GetVarPointer(ctx->unk80, ScriptReadHalfword(ctx));
 
-    void* unk = FUN_02029EF8(ctx->unk80->saveBlock2);
+    void* unk = Sav2_Chatot_get(ctx->unk80->saveBlock2);
     if (FUN_02005D20(unk) == 1)
     {
         *ret_ptr = 1;
@@ -241,7 +241,7 @@ THUMB_FUNC BOOL ScrCmd_Unk005B(struct ScriptContext* ctx)
 
 THUMB_FUNC BOOL ScrCmd_Unk005C(struct ScriptContext* ctx)
 {
-    void* unk = FUN_02029EF8(ctx->unk80->saveBlock2);
+    void* unk = Sav2_Chatot_get(ctx->unk80->saveBlock2);
     FUN_02005E6C(unk);
 
     return TRUE;
diff --git a/include/sav_chatot.h b/include/sav_chatot.h
new file mode 100644
index 00000000..858423c5
--- /dev/null
+++ b/include/sav_chatot.h
@@ -0,0 +1,24 @@
+#ifndef POKEDIAMOND_SAV_CHATOT_H

+#define POKEDIAMOND_SAV_CHATOT_H

+

+#include "save_block_2.h"

+

+struct SaveChatotSoundClip

+{

+    // TODO: Fill this in

+    BOOL exists;

+    s8 data[1000];

+};

+

+u32 Sav2_Chatot_sizeof(void);

+void Sav2_Chatot_init(struct SaveChatotSoundClip * chatot);

+struct SaveChatotSoundClip * Chatot_new(u32 heap_id);

+struct SaveChatotSoundClip * Sav2_Chatot_get(struct SaveBlock2 * sav2);

+BOOL Chatot_exists(struct SaveChatotSoundClip * chatot);

+void Chatot_invalidate(struct SaveChatotSoundClip * chatot);

+s8 * Chatot_GetData(struct SaveChatotSoundClip * chatot);

+void Chatot_Decode(s8 * dest, const s8 * data);

+void Chatot_Encode(struct SaveChatotSoundClip * chatot, const s8 * data);

+void Chatot_copy(struct SaveChatotSoundClip * dest, const struct SaveChatotSoundClip * src);

+

+#endif //POKEDIAMOND_SAV_CHATOT_H