4 files changed, 77 insertions, 16 deletions
diff --git a/arm9/lib/include/NNS_SND_arc.h b/arm9/lib/include/NNS_SND_arc.h
new file mode 100644
index 00000000..656c8728
--- /dev/null
+++ b/arm9/lib/include/NNS_SND_arc.h
@@ -0,0 +1,38 @@
+#ifndef GUARD_NNS_SND_ARC_H
+#define GUARD_NNS_SND_ARC_H
+
+#include "SND_main.h"
+
+typedef struct NNSSndArcHeader
+{
+    struct SNDBinaryFileHeader fileHeader;
+    u32 symbolDataOffset;
+    u32 symbolDataSize;
+    u32 infoOffset;
+    u32 infoSize;
+    u32 fatOffset;
+    u32 fatSize;
+    u32 fileImageOffset;
+    u32 fileImageSize;
+} NNSSndArcHeader;
+
+typedef struct NNSSndArc
+{
+    NNSSndArcHeader header;
+    BOOL file_open;
+    FSFile file;
+    FSFileID fileId;
+    struct NNSSndArcFat* fat;
+    struct NNSSndArcSymbol* symbol;
+    struct NNSSndArcInfo* info;
+} NNSSndArc;
+
+void NNS_SndInit(void);
+void NNS_SndArcInit(NNSSndArc *, const char *, void *, u32);
+void NNS_SndArcPlayerSetup(void *);
+void NNS_SndMain(void);
+void NNS_SndHandleInit(u32 *);
+void NNS_SndPlayerStopSeqByPlayerNo(int, int);
+void NNS_SndHandleReleaseSeq(void);
+
+#endif //GUARD_NNS_SND_ARC_H
diff --git a/arm9/lib/include/NNS_SND_arc_loader.h b/arm9/lib/include/NNS_SND_arc_loader.h
new file mode 100644
index 00000000..851c08ab
--- /dev/null
+++ b/arm9/lib/include/NNS_SND_arc_loader.h
@@ -0,0 +1,12 @@
+#ifndef GUARD_NNS_SND_ARC_LOADER_H
+#define GUARD_NNS_SND_ARC_LOADER_H
+
+#include "NNS_SND_heap.h"
+
+BOOL NNS_SndArcLoadGroup(int groupNo, NNSSndHeapHandle * heap);
+BOOL NNS_SndArcLoadSeq(int seqNo, NNSSndHeapHandle * heap);
+BOOL NNS_SndArcLoadSeqEx(int seqNo, u32 loadFlag, NNSSndHeapHandle * heap);
+BOOL NNS_SndArcLoadWaveArc(int waveArcNo, NNSSndHeapHandle * heap);
+BOOL NNS_SndArcLoadBank(int bankNo, NNSSndHeapHandle * heap);
+
+#endif //GUARD_NNS_SND_ARC_LOADER_H
diff --git a/arm9/lib/include/NNS_SND_heap.h b/arm9/lib/include/NNS_SND_heap.h
new file mode 100644
index 00000000..9dc06a24
--- /dev/null
+++ b/arm9/lib/include/NNS_SND_heap.h
@@ -0,0 +1,11 @@
+#ifndef GUARD_NNS_SND_HEAP_H
+#define GUARD_NNS_SND_HEAP_H
+
+struct NNSSndHeap;
+typedef struct NNSSndHeap* NNSSndHeapHandle;
+
+NNSSndHeapHandle * NNS_SndHeapCreate(void *, u32);
+int NNS_SndHeapSaveState(NNSSndHeapHandle *);
+void NNS_SndHeapLoadState(NNSSndHeapHandle *, int);
+
+#endif //GUARD_NNS_SND_HEAP_H
diff --git a/arm9/src/sound.c b/arm9/src/sound.c
index 4927a575..95d14c64 100644
--- a/arm9/src/sound.c
+++ b/arm9/src/sound.c
@@ -32,9 +32,9 @@ void InitSoundData(void * a0, struct Options * a1)
     NNS_SndInit();
     FUN_020040C8();
     FUN_02004064(sdat);
-    sdat->unk_00090 = NNS_SndHeapCreate(sdat->unk_00094, sizeof(sdat->unk_00094));
-    NNS_SndArcInit(&sdat->header, "data/sound/sound_data.sdat", sdat->unk_00090, 0);
-    NNS_SndArcPlayerSetup(sdat->unk_00090);
+    sdat->heap = NNS_SndHeapCreate(sdat->unk_00094, sizeof(sdat->unk_00094));
+    NNS_SndArcInit(&sdat->header, "data/sound/sound_data.sdat", sdat->heap, 0);
+    NNS_SndArcPlayerSetup(sdat->heap);
     FUN_02004088(sdat);
     FUN_020040A4(sdat);
     UNK_02107074 = 0;
@@ -203,7 +203,7 @@ void * FUN_02003D38(u32 a0)
 int FUN_02003F3C(int * a0)
 {
     struct SoundData * sdat = GetSoundDataPointer();
-    int r4 = NNS_SndHeapSaveState(sdat->unk_00090);
+    int r4 = NNS_SndHeapSaveState(sdat->heap);
     GF_ASSERT(r4 != -1);
     if (a0 != NULL)
         *a0 = r4;
@@ -213,37 +213,37 @@ int FUN_02003F3C(int * a0)
 void FUN_02003F64(int a0)
 {
     struct SoundData * sdat = GetSoundDataPointer();
-    NNS_SndHeapLoadState(sdat->unk_00090, a0);
+    NNS_SndHeapLoadState(sdat->heap, a0);
 }
 
-BOOL FUN_02003F78(u32 * a0)
+BOOL FUN_02003F78(int a0)
 {
     struct SoundData * sdat = GetSoundDataPointer();
-    return NNS_SndArcLoadGroup(a0, sdat->unk_00090);
+    return NNS_SndArcLoadGroup(a0, sdat->heap);
 }
 
-BOOL FUN_02003F90(u32 * a0)
+BOOL FUN_02003F90(int a0)
 {
     struct SoundData * sdat = GetSoundDataPointer();
-    return NNS_SndArcLoadSeq(a0, sdat->unk_00090);
+    return NNS_SndArcLoadSeq(a0, sdat->heap);
 }
 
-BOOL FUN_02003FA8(u32 * a0, u32 * a1)
+BOOL FUN_02003FA8(int a0, u32 a1)
 {
     struct SoundData * sdat = GetSoundDataPointer();
-    return NNS_SndArcLoadSeqEx(a0, a1, sdat->unk_00090);
+    return NNS_SndArcLoadSeqEx(a0, a1, sdat->heap);
 }
 
-BOOL FUN_02003FC4(u32 * a0)
+BOOL FUN_02003FC4(int a0)
 {
     struct SoundData * sdat = GetSoundDataPointer();
-    return NNS_SndArcLoadWaveArc(a0, sdat->unk_00090);
+    return NNS_SndArcLoadWaveArc(a0, sdat->heap);
 }
 
-BOOL FUN_02003FDC(u32 * a0)
+BOOL FUN_02003FDC(int a0)
 {
     struct SoundData * sdat = GetSoundDataPointer();
-    return NNS_SndArcLoadBank(a0, sdat->unk_00090);
+    return NNS_SndArcLoadBank(a0, sdat->heap);
 }
 
 u32 * FUN_02003FF4(int a0)
@@ -303,7 +303,7 @@ void FUN_02004088(struct SoundData * sdat)
 void FUN_020040A4(struct SoundData * sdat)
 {
     FUN_02003F3C(&sdat->unk_BCD1C[0]);
-    FUN_02003F78(NULL);
+    FUN_02003F78(0);
     FUN_02003F3C(&sdat->unk_BCD1C[1]);
 }