Match some audio functions (#896)

* cleanups

* Improve Audio_SequencePlayerProcessSequence

* cleanup

* labeling

* progress on func_800E5000

* func_800F6268

* func_800ECDF8

* Improve func_800F2464

* reorder variables

* labelling

* non-equivalent func_800EEA50

* minor doc

* func_800E6590

* minor doc

* Reformat abi.h

* Very slight improvements

* func_800DC384

* func_800E1618

* formatting

Co-authored-by: zelda2774 <zelda2774@invalid>

9 files changed, 1063 insertions, 448 deletions

diff --git a/src/code/audio_heap.c b/src/code/audio_heap.c
index 2c83fd511..70bb62805 100644
--- a/src/code/audio_heap.c
+++ b/src/code/audio_heap.c
@@ -45,8 +45,8 @@ void Audio_ResetLoadStatus(void) {
     }
 
     for (i = 0; i < 0x80; i++) {
-        if (gAudioContext.seqLoadstatus[i] != 5) {
-            gAudioContext.seqLoadstatus[i] = 0;
+        if (gAudioContext.seqLoadStatus[i] != 5) {
+            gAudioContext.seqLoadStatus[i] = 0;
         }
     }
 }
@@ -207,7 +207,7 @@ void func_800DE4B0(s32 poolIdx) {
     switch (poolIdx) {
         case 0:
             loadedPool = &gAudioContext.seqLoadedPool;
-            table = gAudioContext.seqLoadstatus;
+            table = gAudioContext.seqLoadStatus;
             break;
         case 1:
             loadedPool = &gAudioContext.bankLoadedPool;
@@ -304,7 +304,7 @@ void* Audio_AllocBankOrSeq(s32 poolIdx, s32 size, s32 arg2, s32 id) {
     switch (poolIdx) {
         case 0:
             loadedPool = &gAudioContext.seqLoadedPool;
-            table = gAudioContext.seqLoadstatus;
+            table = gAudioContext.seqLoadStatus;
             break;
         case 1:
             loadedPool = &gAudioContext.bankLoadedPool;
diff --git a/src/code/audio_load.c b/src/code/audio_load.c
index 3d6da12c9..a5e2b83a7 100644
--- a/src/code/audio_load.c
+++ b/src/code/audio_load.c
@@ -74,19 +74,19 @@ void func_800E11F0(void) {
 
 #pragma GLOBAL_ASM("asm/non_matchings/code/audio_load/func_800E12DC.s")
 
-#ifdef NON_MATCHING
 void func_800E1618(s32 arg0) {
     SampleDmaReq* temp_s0;
     s32 i;
     s32 t2;
+    s32 j;
 
     gAudioContext.unk_288C = gAudioContext.unk_2874;
     gAudioContext.sampleDmaReqs =
         Audio_Alloc(&gAudioContext.notesAndBuffersPool,
-                    (gAudioContext.maxSimultaneousNotes * 0x40) * gAudioContext.audioBufferParameters.presetUnk4);
-    t2 = gAudioContext.maxSimultaneousNotes * 3 * gAudioContext.audioBufferParameters.presetUnk4;
+                    4 * gAudioContext.maxSimultaneousNotes * sizeof(SampleDmaReq) * gAudioContext.audioBufferParameters.presetUnk4);
+    t2 = 3 * gAudioContext.maxSimultaneousNotes * gAudioContext.audioBufferParameters.presetUnk4;
     for (i = 0; i < t2; i++) {
-        SampleDmaReq* temp_s0 = &gAudioContext.sampleDmaReqs[gAudioContext.sampleDmaReqCnt];
+        temp_s0 = &gAudioContext.sampleDmaReqs[gAudioContext.sampleDmaReqCnt];
         temp_s0->ramAddr = func_800DE2B0(&gAudioContext.notesAndBuffersPool, gAudioContext.unk_288C);
         if (temp_s0->ramAddr == NULL) {
             break;
@@ -115,8 +115,8 @@ void func_800E1618(s32 arg0) {
     gAudioContext.unk_2624 = gAudioContext.sampleDmaReqCnt;
     gAudioContext.unk_288C = gAudioContext.unk_2878;
 
-    for (i = 0; i < gAudioContext.maxSimultaneousNotes; i++) {
-        SampleDmaReq* temp_s0 = &gAudioContext.sampleDmaReqs[gAudioContext.sampleDmaReqCnt];
+    for (j = 0; j < gAudioContext.maxSimultaneousNotes; j++) {
+        temp_s0 = &gAudioContext.sampleDmaReqs[gAudioContext.sampleDmaReqCnt];
         temp_s0->ramAddr = func_800DE2B0(&gAudioContext.notesAndBuffersPool, gAudioContext.unk_288C);
         if (temp_s0->ramAddr == NULL) {
             break;
@@ -132,9 +132,8 @@ void func_800E1618(s32 arg0) {
     }
 
     for (i = gAudioContext.unk_2624; i < gAudioContext.sampleDmaReqCnt; i++) {
-        SampleDmaReq* temp_s0 = &gAudioContext.sampleDmaReqs[i + gAudioContext.unk_2624];
-        gAudioContext.unk_272C[i - gAudioContext.unk_2624] = gAudioContext.unk_2624;
-        temp_s0->unk_0D = i - gAudioContext.unk_2624;
+        gAudioContext.unk_272C[i - gAudioContext.unk_2624] = i;
+        gAudioContext.sampleDmaReqs[i].unk_0D = i - gAudioContext.unk_2624;
     }
 
     for (i = gAudioContext.sampleDmaReqCnt; i < 0x100; i++) {
@@ -144,9 +143,6 @@ void func_800E1618(s32 arg0) {
     gAudioContext.unk_282D = 0;
     gAudioContext.unk_282F = gAudioContext.sampleDmaReqCnt - gAudioContext.unk_2624;
 }
-#else
-#pragma GLOBAL_ASM("asm/non_matchings/code/audio_load/func_800E1618.s")
-#endif
 
 s32 Audio_IsBankLoadComplete(s32 bankId) {
     if (bankId == 0xFF) {
@@ -162,10 +158,10 @@ s32 Audio_IsBankLoadComplete(s32 bankId) {
 
 s32 Audio_IsSeqLoadComplete(s32 seqId) {
     if (seqId == 0xFF) {
-        return 1;
-    } else if (gAudioContext.seqLoadstatus[seqId] >= 2) {
-        return 1;
-    } else if (gAudioContext.seqLoadstatus[Audio_GetTableIndex(SEQUENCE_TABLE, seqId)] >= 2) {
+        return true;
+    } else if (gAudioContext.seqLoadStatus[seqId] >= 2) {
+        return true;
+    } else if (gAudioContext.seqLoadStatus[Audio_GetTableIndex(SEQUENCE_TABLE, seqId)] >= 2) {
         return true;
     } else {
         return false;
@@ -191,8 +187,8 @@ void Audio_SetBankLoadStatus(s32 bankId, s32 status) {
 }
 
 void Audio_SetSeqLoadStatus(s32 seqId, s32 status) {
-    if ((seqId != 0xFF) && (gAudioContext.seqLoadstatus[seqId] != 5)) {
-        gAudioContext.seqLoadstatus[seqId] = status;
+    if ((seqId != 0xFF) && (gAudioContext.seqLoadStatus[seqId] != 5)) {
+        gAudioContext.seqLoadStatus[seqId] = status;
     }
 }
 
@@ -208,7 +204,7 @@ void func_800E1A78(s32 arg0, s32 arg1) {
     }
 }
 
-void Aduio_SetAudtabLoadstatus(s32 tabId, s32 status) {
+void Audio_SetAudtabLoadStatus(s32 tabId, s32 status) {
     if ((tabId != 0xFF) && (gAudioContext.audioTableLoadStatus[tabId] != 5)) {
         gAudioContext.audioTableLoadStatus[tabId] = status;
     }
@@ -451,7 +447,7 @@ u8* func_800E22C4(s32 seqId) {
     s32 pad;
     s32 sp20;
 
-    if (gAudioContext.seqLoadstatus[Audio_GetTableIndex(0, seqId)] == 1) {
+    if (gAudioContext.seqLoadStatus[Audio_GetTableIndex(0, seqId)] == 1) {
         return NULL;
     }
 
@@ -472,7 +468,7 @@ u32 func_800E2338(u32 arg0, u32* arg1, s32 arg2) {
     audioTable = Audio_GetLoadTable(2);
     if (temp_v0 = func_800E27A4(2, temp_s0), temp_v0 != NULL) {
         if (gAudioContext.audioTableLoadStatus[temp_s0] != 1) {
-            Aduio_SetAudtabLoadstatus(temp_s0, 2);
+            Audio_SetAudtabLoadStatus(temp_s0, 2);
         }
         *arg1 = 0;
         return temp_v0;
@@ -829,7 +825,7 @@ void* Audio_AsyncLoadInner(s32 tableType, s32 arg1, s32 arg2, s32 arg3, OSMesgQu
     sp34 = Audio_GetTableIndex(tableType, arg1);
     switch (tableType) {
         case SEQUENCE_TABLE:
-            if (gAudioContext.seqLoadstatus[sp34] == 1) {
+            if (gAudioContext.seqLoadStatus[sp34] == 1) {
                 return NULL;
             }
             break;
@@ -991,9 +987,9 @@ void Audio_ContextInit(void* heap, u32 heapSize) {
     gAudioContext.rspTask[0].task.t.data_size = 0;
     gAudioContext.rspTask[1].task.t.data_size = 0;
     osCreateMesgQueue(&gAudioContext.unk_25E8, &gAudioContext.unk_2600, 1);
-    osCreateMesgQueue(&gAudioContext.unk_1ED0, &gAudioContext.unk_1EE8, 0x40);
-    osCreateMesgQueue(&gAudioContext.unk_1E20, &gAudioContext.unk_1E38, 0x10);
-    osCreateMesgQueue(&gAudioContext.unk_1E78, &gAudioContext.unk_1E90, 0x10);
+    osCreateMesgQueue(&gAudioContext.unk_1ED0, gAudioContext.unk_1EE8, 0x40);
+    osCreateMesgQueue(&gAudioContext.unk_1E20, gAudioContext.unk_1E38, 0x10);
+    osCreateMesgQueue(&gAudioContext.unk_1E78, gAudioContext.unk_1E90, 0x10);
     gAudioContext.sampleIoReqIdx = 0;
     gAudioContext.sampleDmaReqCnt = 0;
     gAudioContext.cartHandle = osCartRomInit();
diff --git a/src/code/audio_seqplayer.c b/src/code/audio_seqplayer.c
index 7f86f0bc1..2c48d9b1a 100644
--- a/src/code/audio_seqplayer.c
+++ b/src/code/audio_seqplayer.c
@@ -121,7 +121,7 @@ void Audio_SequenceChannelInit(SequenceChannel* seqChannel) {
     seqChannel->largeNotes = false;
     seqChannel->bookOffset = 0;
     seqChannel->reverbBits.asByte = 0;
-    seqChannel->changes.asByte = 0xff;
+    seqChannel->changes.asByte = 0xFF;
     seqChannel->scriptState.depth = 0;
     seqChannel->newPan = 0x40;
     seqChannel->panChannelWeight = 0x80;
@@ -135,7 +135,7 @@ void Audio_SequenceChannelInit(SequenceChannel* seqChannel) {
     seqChannel->someOtherPriority = 1;
     seqChannel->delay = 0;
     seqChannel->adsr.envelope = gDefaultEnvelope;
-    seqChannel->adsr.releaseRate = 0xf0;
+    seqChannel->adsr.releaseRate = 0xF0;
     seqChannel->adsr.sustain = 0;
     seqChannel->vibratoRateTarget = 0x800;
     seqChannel->vibratoRateStart = 0x800;
@@ -200,7 +200,7 @@ s32 Audio_SeqChannelSetLayer(SequenceChannel* seqChannel, s32 layerIdx) {
     layer->freqScale = 1.0f;
     layer->unk_34 = 1.0f;
     layer->velocitySquare2 = 0.0f;
-    layer->instOrWave = 0xff;
+    layer->instOrWave = 0xFF;
     return 0;
 }
 
@@ -287,7 +287,7 @@ void Audio_SequencePlayerDisableAsFinished(SequencePlayer* seqPlayer) {
 }
 
 void Audio_SequencePlayerDisable(SequencePlayer* seqPlayer) {
-    Audio_SequencePlayerDisableChannels(seqPlayer, 0xffff);
+    Audio_SequencePlayerDisableChannels(seqPlayer, 0xFFFF);
     Audio_NotePoolClear(&seqPlayer->notePool);
     if (!seqPlayer->enabled) {
         return;
@@ -363,7 +363,7 @@ s16 Audio_M64ReadS16(M64ScriptState* state) {
 u16 Audio_M64ReadCompressedU16(M64ScriptState* state) {
     u16 ret = *(state->pc++);
     if (ret & 0x80) {
-        ret = (ret << 8) & 0x7f00;
+        ret = (ret << 8) & 0x7F00;
         ret = *(state->pc++) | ret;
     }
     return ret;
@@ -1640,9 +1640,9 @@ void Audio_SequencePlayerProcessSequence(SequencePlayer* seqPlayer) {
                     case 0xCE:
                         command = Audio_M64ReadU8(seqScript);
                         if (command == 0) {
-                            seqScript->value = gAudioContext.audioRandom / 4;
+                            seqScript->value = (gAudioContext.audioRandom >> 2) & 0xFF;
                         } else {
-                            seqScript->value = (gAudioContext.audioRandom / 4) % command;
+                            seqScript->value = (gAudioContext.audioRandom >> 2) % command;
                         }
                         break;
                     case 0xCD: {
diff --git a/src/code/audio_synthesis.c b/src/code/audio_synthesis.c
index 3a183f480..8e07ef0d8 100644
--- a/src/code/audio_synthesis.c
+++ b/src/code/audio_synthesis.c
@@ -12,6 +12,8 @@ Acmd* func_800DDB64(Acmd* cmd, NoteSubEu* noteSubEu, NoteSynthesisState* synthSt
 Acmd* func_800DD6CC(Acmd* cmd, NoteSubEu* noteSubEu, NoteSynthesisState* synthState, s32 aiBufLen, u16, s32, s32);
 Acmd* func_800DD62C(Acmd* cmd, NoteSynthesisState* synthState, s32 count, u16 pitch, u16 inpDmem, s32 resampleFlags);
 extern s16 D_8012FBAA[];
+
+// 4 nops, part of ucode_disas?
 #pragma GLOBAL_ASM("asm/non_matchings/code/audio_synthesis/pad_800DACB0.s")
 
 void AudioSynth_InitNextRingBuf(s32 chunkSize, s32 bufIdx, s32 reverbIdx) {
@@ -512,29 +514,26 @@ Acmd* func_800DC2DC(Acmd* cmd, SynthesisReverb* reverb, s16 bufIdx) {
     return cmd;
 }
 
-#ifdef NON_MATCHING
 Acmd* func_800DC384(s16* aiBuf, s32 aiBufLen, Acmd* cmd, s32 updateIdx) {
-    NoteSubEu* phi_v0;
-    u8 sp9C[88];
+    u8 sp9C[0x5C];
     s16 phi_s2;
     s16 phi_s4;
-    s32 t;
-    s32 useReverb;
     SynthesisReverb* temp_t8;
-    u8 t2;
+    s32 useReverb;
+    s32 t;
     s32 i;
+    NoteSubEu* phi_v0;
+    NoteSubEu* phi_v0_2;
     s32 unk14;
 
     t = gAudioContext.maxSimultaneousNotes * updateIdx;
     phi_s2 = 0;
     if (gAudioContext.numSynthesisReverbs == 0) {
         for (i = 0; i < gAudioContext.maxSimultaneousNotes; i++) {
-            phi_v0 = &gAudioContext.noteSubsEu[t + i];
-            if (phi_v0->bitField0.s.enabled) {
+            if (gAudioContext.noteSubsEu[t + i].bitField0.s.enabled) {
                 sp9C[phi_s2++] = i;
             }
         }
-        i = 0;
     } else {
         for (phi_s4 = 0; phi_s4 < gAudioContext.numSynthesisReverbs; phi_s4++) {
             for (i = 0; i < gAudioContext.maxSimultaneousNotes; i++) {
@@ -551,10 +550,10 @@ Acmd* func_800DC384(s16* aiBuf, s32 aiBufLen, Acmd* cmd, s32 updateIdx) {
                 sp9C[phi_s2++] = i;
             }
         }
-        i = 0;
     }
 
     aClearBuffer(cmd++, 0x940, 0x340);
+    i = 0;
     for (phi_s4 = 0; phi_s4 < gAudioContext.numSynthesisReverbs; phi_s4++) {
         temp_t8 = &gAudioContext.synthesisReverbs[phi_s4];
         useReverb = temp_t8->useReverb;
@@ -582,10 +581,10 @@ Acmd* func_800DC384(s16* aiBuf, s32 aiBufLen, Acmd* cmd, s32 updateIdx) {
         }
 
         while (i < phi_s2) {
-            phi_v0 = &gAudioContext.noteSubsEu[sp9C[i] + t];
-            if (phi_v0->bitField1.s.reverbIndex == phi_s4) {
-                cmd = func_800DC910(sp9C[i], phi_v0, &gAudioContext.notes[sp9C[i]].synthesisState, aiBuf, aiBufLen, cmd,
-                                    updateIdx);
+            phi_v0_2 = &gAudioContext.noteSubsEu[sp9C[i] + t];
+            if (phi_v0_2->bitField1.s.reverbIndex == phi_s4) {
+                cmd = func_800DC910(sp9C[i], phi_v0_2, &gAudioContext.notes[sp9C[i]].synthesisState, aiBuf, aiBufLen,
+                                    cmd, updateIdx);
             } else {
                 break;
             }
@@ -619,9 +618,6 @@ Acmd* func_800DC384(s16* aiBuf, s32 aiBufLen, Acmd* cmd, s32 updateIdx) {
 
     return cmd;
 }
-#else
-#pragma GLOBAL_ASM("asm/non_matchings/code/audio_synthesis/func_800DC384.s")
-#endif
 
 #ifdef NON_EQUIVALENT
 Acmd* func_800DC910(s32 noteIdx, NoteSubEu* noteSubEu, NoteSynthesisState* synthState, s16* aiBuf, s32 aiBufLen,
@@ -1151,18 +1147,18 @@ Acmd* func_800DDB64(Acmd* cmd, NoteSubEu* noteSubEu, NoteSynthesisState* synthSt
 
     switch (arg5) {
         case 1:
+            phi_t0 = 0x940;
             phi_v1 = noteSubEu->headsetPanRight;
             phi_v0 = synthState->prevHeadsetPanRight;
             synthState->prevHeadsetPanLeft = 0;
-            synthState->prevHeadsetPanRight = noteSubEu->headsetPanRight;
-            phi_t0 = 0x940;
+            synthState->prevHeadsetPanRight = phi_v1;
             break;
         case 2:
+            phi_t0 = 0xAE0;
             phi_v1 = noteSubEu->headsetPanLeft;
             phi_v0 = synthState->prevHeadsetPanLeft;
-            synthState->prevHeadsetPanLeft = noteSubEu->headsetPanLeft;
+            synthState->prevHeadsetPanLeft = phi_v1;
             synthState->prevHeadsetPanRight = 0;
-            phi_t0 = 0xAE0;
             break;
         default:
             return cmd;
@@ -1170,26 +1166,26 @@ Acmd* func_800DDB64(Acmd* cmd, NoteSubEu* noteSubEu, NoteSynthesisState* synthSt
 
     if (arg4 != 1) {
         if (phi_v0 != phi_v1) {
-            aSetBuffer(cmd++, 0, 0x5C0, 0x3C0, (arg3 + phi_v1) - phi_v0);
-            aResampleZOH(cmd++, (u16)((((arg3 << 0xF) / 2) - 1) / ((((arg3 + phi_v1) - phi_v0) - 2) / 2)), 0);
+            aSetBuffer(cmd++, 0, 0x5C0, 0x3C0, arg3 + phi_v1 - phi_v0);
+            aResampleZOH(cmd++, (u16)((((arg3 << 0xF) / 2) - 1) / ((arg3 + phi_v1 - phi_v0 - 2) / 2)), 0);
         } else {
             aDMEMMove(cmd++, 0x5C0, 0x3C0, arg3);
         }
 
         if (phi_v0 != 0) {
             aLoadBuffer(cmd++, &synthState->synthesisBuffers->panResampleState[0x8], 0x5C0, ALIGN16(phi_v0));
-            aDMEMMove(cmd++, 0x3C0, phi_v0 + 0x5C0, (arg3 + phi_v1) - phi_v0);
+            aDMEMMove(cmd++, 0x3C0, 0x5C0 + phi_v0, arg3 + phi_v1 - phi_v0);
         } else {
-            aDMEMMove(cmd++, 0x3C0, 0x5C0, (arg3 + phi_v1));
+            aDMEMMove(cmd++, 0x3C0, 0x5C0, arg3 + phi_v1);
         }
     } else {
         aDMEMMove(cmd++, 0x5C0, 0x3C0, arg3);
         aClearBuffer(cmd++, 0x5C0, phi_v1);
-        aDMEMMove(cmd++, 0x3C0, phi_v1 + 0x5C0, arg3);
+        aDMEMMove(cmd++, 0x3C0, 0x5C0 + phi_v1, arg3);
     }
 
     if (phi_v1 != 0) {
-        aSaveBuffer(cmd++, arg3 + 0x5C0, &synthState->synthesisBuffers->panResampleState[0x8], ALIGN16(phi_v1));
+        aSaveBuffer(cmd++, 0x5C0 + arg3, &synthState->synthesisBuffers->panResampleState[0x8], ALIGN16(phi_v1));
     }
     aAddMixer(cmd++, ((arg3 + 0x3F) & ~0x3F), 0x5C0, phi_t0, 0x7FFF);
     return cmd;
diff --git a/src/code/code_800E4FE0.c b/src/code/code_800E4FE0.c
index cd5382e6c..494c6e5b5 100644
--- a/src/code/code_800E4FE0.c
+++ b/src/code/code_800E4FE0.c
@@ -1,5 +1,8 @@
 #include "global.h"
 
+#define SAMPLES_TO_OVERPRODUCE 0x10
+#define EXTRA_BUFFERED_AI_SAMPLES_TARGET 0x80
+
 typedef enum {
     CHAN_UPD_UNK_0,           // 0
     CHAN_UPD_VOL_SCALE,       // 1
@@ -32,90 +35,50 @@ AudioTask* func_800E4FE0(void) {
     return func_800E5000();
 }
 
-u32 D_801304E0 = 0x80;
-AudioTask* D_801304E4 = NULL;
+extern u64 rspAspMainDataStart[];
+extern u64 rspAspMainDataEnd[];
 
-extern u8 D_80155C70[];
-#ifdef NON_EQUIVALENT
-// haven't verified Equivalency yet.
+#ifdef NON_MATCHING
 AudioTask* func_800E5000(void) {
-    u32 sp6C;
+    static s32 sMaxAbiCmdCnt = 0x80;
+    static AudioTask* sWaitingAudioTask = NULL;
+    u32 samplesRemainingInAi;
     s32 abiCmdCnt;
+    s32 pad;
+    s32 j;
     s32 sp5C;
-    s16* sp58;
+    s16* currAiBuffer; // sp58
+    OSTask_t* task;
+    s32 index;
     u32 sp4C;
     s32 sp48;
-    void* sp3C;
-    void* sp34;
-    OSTask_t* temp_v1_10;
-    OSMesgQueue* temp_s1;
-    s16 temp_a0_2;
-    s16 temp_v0_2;
-    s16 temp_v1;
-    s16 temp_v1_2;
-    s16 temp_v1_9;
-    s32 temp_a0;
-    s32 temp_a3;
-    s32 temp_a3_2;
-    s32 temp_hi;
-    s32 temp_s0;
-    s32 temp_s0_2;
-    s32 temp_s0_3;
-    s32 temp_s0_4;
-    s32 temp_s0_5;
-    s32 temp_t4;
-    s32 temp_t6;
-    s32 temp_t7;
-    s32 temp_v1_6;
-    s32 temp_v1_7;
-    s32 temp_v1_8;
-    u32 temp_t3;
-    u32 temp_t4_2;
-    void* temp_t0;
-    void* temp_v1_3;
-    void* temp_v1_4;
-    void* temp_v1_5;
-    s16 phi_v1;
-    s32 phi_a0;
-    void* phi_v1_2;
-    s32 phi_s0;
-    s32 phi_v1_3;
-    void* phi_v1_4;
-    s32 phi_s0_2;
-    s32 phi_v1_5;
-    s32 phi_s0_3;
-    s32 phi_s0_4;
-    void* phi_v1_6;
-    s32 phi_s0_5;
     s32 i;
 
     gAudioContext.totalTaskCnt++;
     if (gAudioContext.totalTaskCnt % (gAudioContext.audioBufferParameters.presetUnk4) != 0) {
-        if (D_801755D0 != 0) {
+        if (D_801755D0 != NULL) {
             D_801755D0();
         }
 
-        if (gAudioContext.audioBufferParameters.presetUnk4 ==
-            ((gAudioContext.totalTaskCnt % (gAudioContext.audioBufferParameters.presetUnk4)) + 1)) {
-            return D_801304E4;
+        if ((gAudioContext.totalTaskCnt % gAudioContext.audioBufferParameters.presetUnk4) + 1 ==
+            gAudioContext.audioBufferParameters.presetUnk4) {
+            return sWaitingAudioTask;
         } else {
             return NULL;
         }
     }
 
-    osSendMesg(gAudioContext.taskStartQueueP, gAudioContext.totalTaskCnt, 0);
-    temp_t4 = gAudioContext.curAIBufIdx + 1;
-    temp_t6 = (gAudioContext.curAIBufIdx + 1) % 3;
+    osSendMesg(gAudioContext.taskStartQueueP, gAudioContext.totalTaskCnt, OS_MESG_NOBLOCK);
     gAudioContext.rspTaskIdx ^= 1;
     gAudioContext.curAIBufIdx++;
     gAudioContext.curAIBufIdx %= 3;
-    temp_hi = (gAudioContext.curAIBufIdx - 2 + 3) % 3;
-    sp6C = osAiGetLength() / 4;
+    index = (gAudioContext.curAIBufIdx - 2 + 3) % 3;
+    samplesRemainingInAi = osAiGetLength() / 4;
+
     if (gAudioContext.resetTimer < 16) {
-        if (gAudioContext.aiBufLengths[temp_hi] != 0) {
-            sp34 = &gAudioContext + (temp_hi * 4);
-            sp3C = &gAudioContext + (temp_hi * 2);
-            osAiSetNextBuffer(gAudioContext.aiBuffers[temp_hi], gAudioContext.aiBufLengths[temp_hi] * 4);
+        if (gAudioContext.aiBufLengths[index] != 0) {
+            // &gAudioContext + index*{2,4} should be saved across here
+            osAiSetNextBuffer(gAudioContext.aiBuffers[index], gAudioContext.aiBufLengths[index] * 4);
         }
     }
 
@@ -125,105 +88,124 @@ AudioTask* func_800E5000(void) {
 
     sp5C = gAudioContext.sampleIoReqIdx;
     for (i = 0; i < gAudioContext.sampleIoReqIdx; i++) {
-        if (osRecvMesg(&gAudioContext.unk_1ED0, NULL, 0) == 0) {
+        if (osRecvMesg(&gAudioContext.unk_1ED0, NULL, OS_MESG_NOBLOCK) == 0) {
             sp5C--;
         }
     }
 
     if (sp5C != 0) {
         for (i = 0; i < sp5C; i++) {
-            osRecvMesg(&gAudioContext.unk_1ED0, NULL, 1);
+            osRecvMesg(&gAudioContext.unk_1ED0, NULL, OS_MESG_BLOCK);
         }
     }
 
     sp48 = gAudioContext.unk_1ED0.validCount;
-    if (gAudioContext.unk_1ED0.validCount != 0) {
+    if (sp48 != 0) {
         for (i = 0; i < sp48; i++) {
-            osRecvMesg(&gAudioContext.unk_1ED0, NULL, 0);
+            osRecvMesg(&gAudioContext.unk_1ED0, NULL, OS_MESG_NOBLOCK);
         }
     }
+
     gAudioContext.sampleIoReqIdx = 0;
     func_800E11F0();
     Audio_ProcessLoads(gAudioContext.resetStatus);
     func_800E4F58();
-    if ((gAudioContext.resetStatus != 0) && (Audio_ResetStep() == 0)) {
-        if (gAudioContext.resetStatus == 0) {
-            osSendMesg(gAudioContext.audioResetQueueP, gAudioContext.audioResetPresetIdToLoad, 0);
-        }
 
-        D_801304E4 = NULL;
-        return NULL;
+    if (gAudioContext.resetStatus != 0) {
+        if (Audio_ResetStep() == 0) {
+            if (gAudioContext.resetStatus == 0) {
+                osSendMesg(gAudioContext.audioResetQueueP, gAudioContext.audioResetPresetIdToLoad, OS_MESG_NOBLOCK);
+            }
+
+            sWaitingAudioTask = NULL;
+            return NULL;
+        }
     }
 
     if (gAudioContext.resetTimer > 16) {
         return NULL;
-    } else if (gAudioContext.resetTimer != 0) {
+    }
+    if (gAudioContext.resetTimer != 0) {
         gAudioContext.resetTimer++;
     }
 
     gAudioContext.currTask = &gAudioContext.rspTask[gAudioContext.rspTaskIdx];
     gAudioContext.curAbiCmdBuf = gAudioContext.abiCmdBufs[gAudioContext.rspTaskIdx];
-    gAudioContext.aiBufLengths[gAudioContext.curAIBufIdx] =
-        (s16)((((gAudioContext.audioBufferParameters.samplesPerFrameTarget - sp6C) + 0x80) & 0xFFF0) + 0x10);
-    if (gAudioContext.aiBufLengths[gAudioContext.curAIBufIdx] < gAudioContext.audioBufferParameters.minAiBufferLength) {
-        gAudioContext.aiBufLengths[gAudioContext.curAIBufIdx] = gAudioContext.audioBufferParameters.minAiBufferLength;
+
+    index = gAudioContext.curAIBufIdx;
+    currAiBuffer = gAudioContext.aiBuffers[index];
+
+    gAudioContext.aiBufLengths[index] =
+        (s16)((((gAudioContext.audioBufferParameters.samplesPerFrameTarget - samplesRemainingInAi) +
+                EXTRA_BUFFERED_AI_SAMPLES_TARGET) &
+               ~0xF) +
+              SAMPLES_TO_OVERPRODUCE);
+    if (gAudioContext.aiBufLengths[index] < gAudioContext.audioBufferParameters.minAiBufferLength) {
+        gAudioContext.aiBufLengths[index] = gAudioContext.audioBufferParameters.minAiBufferLength;
     }
 
-    if (gAudioContext.audioBufferParameters.maxAiBufferLength < gAudioContext.aiBufLengths[gAudioContext.curAIBufIdx]) {
-        gAudioContext.aiBufLengths[gAudioContext.curAIBufIdx] = gAudioContext.audioBufferParameters.maxAiBufferLength;
+    if (gAudioContext.aiBufLengths[index] > gAudioContext.audioBufferParameters.maxAiBufferLength) {
+        gAudioContext.aiBufLengths[index] = gAudioContext.audioBufferParameters.maxAiBufferLength;
     }
 
+    j = 0;
     if (gAudioContext.resetStatus == 0) {
-        i = 0;
         // msg = 0000RREE R = read pos, E = End Pos
-        while (osRecvMesg(gAudioContext.cmdProcQueueP, &sp4C, 0) != -1) {
+        while (osRecvMesg(gAudioContext.cmdProcQueueP, (OSMesg*)&sp4C, OS_MESG_NOBLOCK) != -1) {
+            if (1) {}
+            if (1) {}
+            if (1) {}
             Audio_ProcessCmds(sp4C);
-            i++;
+            j++;
         }
-        if ((i == 0) && (gAudioContext.cmdQueueFinished)) {
+        if ((j == 0) && (gAudioContext.cmdQueueFinished)) {
             Audio_ScheduleProcessCmds();
         }
     }
 
     gAudioContext.curAbiCmdBuf =
-        AudioSynth_Update(gAudioContext.curAbiCmdBuf, &abiCmdCnt, gAudioContext.aiBuffers[gAudioContext.curAIBufIdx],
-                          gAudioContext.aiBufLengths[gAudioContext.curAIBufIdx]);
-    gAudioContext.audioRandom = osGetCount() * (gAudioContext.audioRandom + gAudioContext.totalTaskCnt);
-    gAudioContext.audioRandom = gAudioContext.aiBuffers[gAudioContext.curAIBufIdx][gAudioContext.totalTaskCnt & 0xFF] +
-                                gAudioContext.audioRandom;
-    ;
-    gWaveSamples[8] = (s16*)((((u8*)func_800E4FE0)) + (gAudioContext.audioRandom & 0xFFF0));
+        AudioSynth_Update(gAudioContext.curAbiCmdBuf, &abiCmdCnt, currAiBuffer, gAudioContext.aiBufLengths[index]);
+    gAudioContext.audioRandom = (gAudioContext.audioRandom + gAudioContext.totalTaskCnt) * osGetCount();
+    gAudioContext.audioRandom =
+        gAudioContext.aiBuffers[index][gAudioContext.totalTaskCnt & 0xFF] + gAudioContext.audioRandom;
+    gWaveSamples[8] = (s16*)(((u8*)func_800E4FE0) + (gAudioContext.audioRandom & 0xFFF0));
+
+    index = gAudioContext.rspTaskIdx;
     gAudioContext.currTask->taskQueue = NULL;
     gAudioContext.currTask->unk_44 = NULL;
-    temp_v1_10 = &gAudioContext.currTask->task.t;
-    temp_v1_10->type = 2U;
-    temp_v1_10->flags = 0U;
-    temp_v1_10->ucode_boot = D_801120C0;
-    temp_v1_10->ucode_boot_size = 0x1000;
-    temp_v1_10->ucode_data_size = (((s32)(D_80155F50 - D_80155C70) >> 3) * 8) - 1;
-    temp_v1_10->ucode = D_801120C0;
-    temp_v1_10->ucode_data = D_80155C70;
-    temp_v1_10->ucode_size = 0x1000;
-    temp_v1_10->dram_stack = NULL;
-    temp_v1_10->dram_stack_size = 0;
-    temp_v1_10->output_buff = NULL;
-    temp_v1_10->output_buff_size = NULL;
-    temp_v1_10->data_ptr = gAudioContext.abiCmdBufs[gAudioContext.rspTaskIdx];
-    temp_v1_10->yield_data_ptr = NULL;
-    temp_v1_10->yield_data_size = 0;
-    temp_v1_10->data_size = abiCmdCnt * sizeof(ACmd);
-
-    if (D_801304E0 < abiCmdCnt) {
-        D_801304E0 = abiCmdCnt;
+
+    task = &gAudioContext.currTask->task.t;
+    task->type = M_AUDTASK;
+    task->flags = 0;
+    task->ucode_boot = D_801120C0;
+    task->ucode_boot_size = 0x1000;
+    task->ucode_data_size = ((rspAspMainDataEnd - rspAspMainDataStart) * sizeof(u64)) - 1;
+    task->ucode = D_801120C0;
+    task->ucode_data = rspAspMainDataStart;
+    task->ucode_size = 0x1000;
+    task->dram_stack = NULL;
+    task->dram_stack_size = 0;
+    task->output_buff = NULL;
+    task->output_buff_size = NULL;
+    task->data_ptr = (u64*)gAudioContext.abiCmdBufs[index];
+    task->data_size = abiCmdCnt * sizeof(Acmd);
+    task->yield_data_ptr = NULL;
+    task->yield_data_size = 0;
+
+    if (sMaxAbiCmdCnt < abiCmdCnt) {
+        sMaxAbiCmdCnt = abiCmdCnt;
     }
 
     if (gAudioContext.audioBufferParameters.presetUnk4 == 1) {
         return gAudioContext.currTask;
+    } else {
+        sWaitingAudioTask = gAudioContext.currTask;
+        return NULL;
     }
-    D_801304E4 = gAudioContext.currTask;
-    return NULL;
 }
 #else
+s32 sMaxAbiCmdCnt = 0x80;
+AudioTask* sWaitingAudioTask = NULL;
 #pragma GLOBAL_ASM("asm/non_matchings/code/code_800E4FE0/func_800E5000.s")
 #endif
 
@@ -271,7 +253,7 @@ void func_800E5584(AudioCmd* cmd) {
             if (cmd->asUInt == 1) {
                 for (i = 0; i < gAudioContext.maxSimultaneousNotes; i++) {
                     Note* note = &gAudioContext.notes[i];
-                    NoteSubEu* subEu = &note->noteSubEu.bitField0;
+                    NoteSubEu* subEu = &note->noteSubEu;
                     if (subEu->bitField0.s.enabled && note->playbackState.unk_04 == 0) {
                         if (note->playbackState.parentLayer->seqChannel->muteBehavior & 8) {
                             subEu->bitField0.s.finished = 1;
@@ -310,7 +292,7 @@ void func_800E5584(AudioCmd* cmd) {
             gAudioContext.audioResetPresetIdToLoad = cmd->asUInt;
             return;
         case 0xFB:
-            D_801755D0 = cmd->asUInt;
+            D_801755D0 = (void (*)(void))cmd->asUInt;
             return;
         case 0xE0:
         case 0xE1:
@@ -503,7 +485,7 @@ void Audio_ProcessCmds(u32 msg) {
 u32 func_800E5E20(u32* arg0) {
     u32 sp1C;
 
-    if (osRecvMesg(&gAudioContext.unk_1E20, &sp1C, 0) == -1) {
+    if (osRecvMesg(&gAudioContext.unk_1E20, (OSMesg*)&sp1C, OS_MESG_NOBLOCK) == -1) {
         *arg0 = 0;
         return 0;
     }
@@ -524,7 +506,7 @@ s32 func_800E5EDC(void) {
     s32 pad;
     s32 sp18;
 
-    if (osRecvMesg(gAudioContext.audioResetQueueP, &sp18, OS_MESG_NOBLOCK) == -1) {
+    if (osRecvMesg(gAudioContext.audioResetQueueP, (OSMesg*)&sp18, OS_MESG_NOBLOCK) == -1) {
         return 0;
     } else if (gAudioContext.audioResetPresetIdToLoad != sp18) {
         return -1;
@@ -536,7 +518,7 @@ s32 func_800E5EDC(void) {
 void func_800E5F34(void) {
     // macro?
     // clang-format off
-    s32 chk = -1; s32 sp28; do { } while (osRecvMesg(gAudioContext.audioResetQueueP, &sp28, 0) != chk);
+    s32 chk = -1; s32 sp28; do {} while (osRecvMesg(gAudioContext.audioResetQueueP, (OSMesg*)&sp28, OS_MESG_NOBLOCK) != chk);
     // clang-format on
 }
 
@@ -745,47 +727,45 @@ void Audio_WaitForAudioTask(void) {
     osRecvMesg(gAudioContext.taskStartQueueP, NULL, OS_MESG_BLOCK);
 }
 
-#ifdef NON_MATCHING
 s32 func_800E6590(s32 arg0, s32 arg1, s32 arg2) {
-    u32 temp_v1_2;
-    AudioBankSound* temp_a0;
-    Note* temp_a0_2;
-    SequenceChannelLayer* temp_v0;
-    SequenceChannel* temp_v1;
     SequencePlayer* seqPlayer;
+    SequenceChannelLayer* layer;
+    Note* note;
+    AudioBankSound* sound;
+    s32 loopEnd;
+    s32 samplePos;
 
     seqPlayer = &gAudioContext.seqPlayers[arg0];
     if (seqPlayer->enabled && seqPlayer->channels[arg1]->enabled) {
-        temp_v0 = seqPlayer->channels[arg1]->layers[arg2];
-        if (temp_v0 == NULL) {
+        layer = seqPlayer->channels[arg1]->layers[arg2];
+        if (layer == NULL) {
             return 0;
         }
 
-        if (temp_v0->enabled) {
-            temp_a0_2 = temp_v0->note;
-            if (temp_a0_2 == NULL) {
+        if (layer->enabled) {
+            if (layer->note == NULL) {
                 return 0;
             }
 
-            if (!temp_v0->bit3) {
+            if (!layer->bit3) {
                 return 0;
             }
 
-            if (temp_v0 == temp_a0_2->playbackState.parentLayer) {
-                temp_a0 = temp_a0_2->noteSubEu.sound.audioBankSound;
-                if (temp_a0 == 0) {
+            note = layer->note;
+            if (layer == note->playbackState.parentLayer) {
+                sound = note->noteSubEu.sound.audioBankSound;
+                if (sound == NULL) {
                     return 0;
                 }
-                return temp_a0->sample->loop->end - temp_a0_2->synthesisState.samplePosInt;
+                loopEnd = sound->sample->loop->end;
+                samplePos = note->synthesisState.samplePosInt;
+                return loopEnd - samplePos;
             }
             return 0;
         }
     }
     return 0;
 }
-#else
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800E4FE0/func_800E6590.s")
-#endif
 
 s32 func_800E6680(void) {
     return func_800E66C0(0);
diff --git a/src/code/code_800EC960.c b/src/code/code_800EC960.c
index c52c87e7d..79fb1479b 100644
--- a/src/code/code_800EC960.c
+++ b/src/code/code_800EC960.c
@@ -18,6 +18,12 @@ typedef struct {
     s32 unk_0C;
 } unk_s2;
 
+typedef struct {
+    u16 unk_00;
+    u16 unk_02;
+    u8 unk_04[100];
+} D_801306DC_s; // size = 0x68
+
 void Audio_SetVolScale(u8, u8, u8, u8);
 void func_800F5550(u16);
 void func_800F5E18(u8 arg0, u16 arg1, u8 arg2, s8 arg3, s8 arg4);
@@ -26,80 +32,146 @@ void func_800F56A8(void);
 void func_800F6FB4(u8);
 s32 func_800F491C(u8 arg0);
 
+extern f32 D_8012F6B4[]; // from audio_synthesis
+
 // stick float vals
-extern f32 D_8012F6B4[];
-extern u32 sOcarinaAllowedBtnMask; // 80130EFC
-extern s32 sOcarinaABtnMap;        // 80130F00
-extern s32 sOcarinaCUPBtnMap;      // 80130F04
-extern s32 sOcarinaCDownBtnMap;    // 80130F08
-extern u8 D_80131F64;
-extern u8 D_80133408;
-extern s8 D_8013060C;
+extern u32 D_801305B0;
+extern u32 D_801305B4;
+extern s8 D_801305B8;
+extern s8 D_801305BC;
+extern s8 D_801305C0;
+extern f32 D_801305C4[2];
+extern u8 D_801305CC;
+extern u8 sPrevChargeLevel; // 801305E0
+extern f32 D_801305E4[4];
+extern f32 D_801305F4;
+extern u8 D_801305F8[8];
+extern u8 D_80130600;
 extern s8 D_80130604;
+extern s8 D_80130608;
+extern s8 D_8013060C;
+extern s8 D_80130610;
 extern s8 D_80130614;
-extern f32 D_80130620;
-extern s8 D_80130624;
-extern u8 D_80131878;
-extern u32 D_80130F3C;
-extern u8 sCurOcarinaBtnVal;   // 80130F14
-extern u8 sPrevOcarinaNoteVal; // 80130F18
-extern u8 sCurOcarinaBtnIdx;   // note index?
-extern u8 sLearnSongLastBtn;
-extern u8 sOcarinaInpEnabled; // D_80130F0C
-extern u8 sPlaybackState;
-extern u16 sStaffPlaybackPos;
-extern s8 D_80130F10; // ocarina active?
-extern u8 sNoteValueIndexMap[];
 extern s8 D_80130618;
 extern u8 D_8013061C;
+extern f32 D_80130620;
+extern s8 D_80130624;
+extern u16 D_80130628;
+extern u8 D_8013062C;
+extern u8 D_80130630;
+extern u32 D_80130634;
+extern u32 D_80130638;
 extern u8 D_8013063C;
 extern u8 D_80130640;
 extern u8 D_80130644;
 extern u8 D_80130648;
-extern s8 D_801306C8[];
-extern u8 D_80133414;
-extern s8 D_80130610;
-extern u8 D_80130600;
-extern u8 D_801305F8[];
-extern s8 D_80130608;
-extern u8 D_801305FF;
 extern Vec3f* D_8013064C;
-extern u8 D_801305CC;
-extern u8 D_8013062C;
-extern u8 D_80130630;
-extern u8 D_80130658[];
-extern u8 D_80133418;
-extern u16 D_80130628;
-extern s8 D_80130F2C; // pitch?
 extern f32 D_80130650;
-extern s8 D_801305B8;
-extern s8 D_801305BC;
-extern s8 D_801305C0;
-extern f32 D_801305E4[];
-extern u8 sPrevChargeLevel;
-extern f32 D_801305F4;
-extern u32 D_801305B0;
-extern u32 D_801305B4;
+extern u8 D_80130654;
+extern u8 D_80130658[]; // <= 112
+extern s8 D_801306C8[20];
+extern D_801306DC_s D_801306DC[20];
+extern u32 sOcarinaAllowedBtnMask; // 80130EFC
+extern s32 sOcarinaABtnMap;        // 80130F00
+extern s32 sOcarinaCUPBtnMap;      // 80130F04
+extern s32 sOcarinaCDownBtnMap;    // 80130F08
+extern u8 sOcarinaInpEnabled;      // 80130F0C
+extern s8 D_80130F10;              // ocarina active?
+extern u8 sCurOcarinaBtnVal;       // 80130F14
+extern u8 sPrevOcarinaNoteVal;     // 80130F18
+extern u8 sCurOcarinaBtnIdx;       // 80130F1C, note index?
+extern u8 sLearnSongLastBtn;       // 80130F20
+extern f32 D_80130F24;
+extern u32 D_80130F28;
+extern s8 D_80130F2C; // pitch?
+extern s8 D_80130F30;
+extern s8 D_80130F34;
+extern u8 sPlaybackState; // 80130F38
+extern u32 D_80130F3C;
+extern u32 sNotePlaybackTimer;
+extern u16 sPlaybackNotePos;
+extern u16 sStaffPlaybackPos;
+extern u16 D_80130F4C;
+extern u8 sDisplayedNoteValue; // Note to display on screen?
+extern u8 sNotePlaybackVolume;
+extern u8 sNotePlaybackVibrato;
+extern s8 sNotePlaybackTone;
+extern f32 sNormalizedNotePlaybackTone;
+extern f32 sNormalizedNotePlaybackVolume;
+extern s32 D_80130F68;
+extern u8 sOcarinaNoteValues[5];
+extern u8 sOcaMinigameApndPos;
+extern u8 sOcaMinigameEndPos;
+extern u8 sOcaMinigameNoteCnts[];     // <= 4
+extern OcarinaSong sOcarinaSongs[14]; // 80130F80
+extern OcarinaSong* sPlaybackSong;
+// extern u8 D_80131844[];
+// extern u8* gFrogsSongPtr = D_80131844;
+extern u8 D_80131858;
+extern u8 sRecordSongPos;
+extern u32 D_80131860;
+extern u8 D_80131864;
+extern u8 D_80131868;
+extern u8 D_8013186C;
+extern s8 D_80131870;
+extern u8 D_80131874;
+extern u8 D_80131878;
+extern u8 D_8013187C;
+extern u8 D_80131880;
+extern OcarinaSong sPierresSong;
+// extern OcarinaNote* gScarecrowCustomSongPtr = &sPierresSong;
+// extern OcarinaNote* gScarecrowSpawnSongPtr = &sOcarinaSongs[12];
+extern OcarinaSong* D_80131BEC;   // = &sOcarinaSongs[13];
+extern u8 sNoteValueIndexMap[16]; // = {0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 5, 3, 3, 4, 4, 4}
+// extern OcarinaSongInfo gOcarinaSongNotes[14];
+// D_80131C80 .. 88 are in-function static in func_800EE824
 extern f32 D_80131C8C;
+
+extern u8 D_801333F0;
+
+// Debug variables (separate file?):
+extern f32 D_80131C90; // func_800EEA50, in-function static?
+extern f32 D_80131C94; // func_800EEA50, in-function static?
 extern u8 D_80131C98;
 extern u8 D_80131C9C;
 extern u8 D_80131CA0;
+extern u8 D_80131CA4;
 extern u8 D_80131CA8;
-extern u16 D_80131E08[];
-extern u8 D_8013340C;
-extern u8 D_80131EEE;
+extern char D_80131CAC[][23];
+extern u16 D_80131E08[11];
+extern u16 D_80131E20[11];
+extern char D_80131E38[7][11]; // func_800EEA50
+extern char D_80131E88[][10];  // func_800EEA50
 extern s8 D_80131EBC;
 extern s8 D_80131EC0;
 extern s8 D_80131EC4;
 extern s8 D_80131EC8[];
-extern u16 D_80131E20[];
-extern u8 D_80131CA4;
-extern u8 sOcaMinigameEndPos;
-extern u8 sOcaMinigameApndPos;
-extern u8 sOcaMinigameNoteCnts[];
-extern u16 D_80130F3E;
-extern u8 sOcarinaNoteValues[5];
-extern u8 D_8013170C;
+extern u8 D_80131ED0;
+extern u8 sAudioScreenPrintInd;
+extern u8 sAudioScreenPrintOverflow;
+extern s8 D_80131EDC;
+extern s8 D_80131EE0;
+extern u8 D_80131EE4[11];
+extern u8 D_80131EF0[11];
+extern u8 D_80131EFC;
+extern u8 D_80131F00;
+extern u8 D_80131F04;
+extern u8 D_80131F08;
+extern char D_80131F0C[][5]; // func_800EEA50
+extern u8 D_80131F18;
+extern u8 D_80131F1C;
+extern u16 D_80131F20[];
+extern u8 D_80131F28;
+extern u8 D_80131F2C;
+extern u8 D_80131F30[];
+extern char D_80131F44[][2]; // func_800EEA50
+extern u8 D_80131F4C[];
+extern u8 D_80131F50;
+extern char D_80131F54[][5]; // func_800EEA50
+extern u8 D_80131F64;
+extern u8 D_80131F68;
+// D_80131F6C is in-function static in func_800F510C
+
 /** bit field of songs that can be played
  * 0x0800 storms
  * 0x0400 song of time
@@ -114,44 +186,18 @@ extern u8 D_8013170C;
  * 0x0002 bolero
  * 0x0001 minuet
  */
-extern u8 D_8013187C;
-extern u16 D_80130F4C;
-extern u8 D_80131880;
-extern u8 D_80131858;
-extern f32 D_80130F24;
-extern s8 D_80130F34;
-extern u32 D_80130F28;
-extern u8 D_80131F4C[];
-extern u8 D_80131F50;
-extern OcarinaSong sOcarinaSongs[]; // 80130F80
-extern u32 sNotePlaybackTimer;
-extern u16 sPlaybackNotePos;
-extern u32 D_80131860;
-extern u8 D_8013186;
-extern u8 D_80131868;
-extern u8 D_8013186C;
-extern s8 D_80131870;
-extern u8 D_80131874;
-extern u8 sRecordSongPos;
-extern u8 D_80131864;
-extern s8 D_80130F30;
-extern OcarinaSong* sPlaybackSong;
-extern OcarinaSong sPierresSong;
-extern u8 sDisplayedNoteValue; // Note to display on screen?
-extern s32 D_80130F68;
-extern OcarinaNote* D_80131BE4;
-extern OcarinaSong* D_80131BEC;
 
 typedef struct {
     u8 unk_00;
     char unk_01[0x37];
 } unk_dstruct;
 
-extern u8 D_80131EFC;
+extern u8 D_801333F4;
+extern u8 D_80133408;
+extern u8 D_8013340C;
+extern u8 D_80133414;
+extern u8 D_80133418;
 extern unk_dstruct D_801337CE[];
-extern u8 D_80131F28;
-extern u8 D_80131F2C;
-extern u8 D_80131F30[];
 
 /**
  * BSS
@@ -169,10 +215,10 @@ s8 D_8016B7DC;
 f32 D_8016B7E0;
 u16 D_8016B7E4;
 typedef struct {
-    char unk_00[6];
-    s16 unk_06;
-} unk_D_8016B7E8;
-unk_D_8016B7E8 D_8016B7E8[0x19];
+    s8 str[5];
+    u16 num;
+} unk_sAudioScreenPrintBuf;
+unk_sAudioScreenPrintBuf sAudioScreenPrintBuf[25];
 u8 D_8016B8B0;
 u8 D_8016B8B1;
 u8 D_8016B8B2;
@@ -223,6 +269,10 @@ u32 sDebugPadPress;
 s32 sAudioUpdateTaskStart;
 s32 sAudioUpdateTaskEnd;
 
+extern u16 D_8016E2E0[];
+extern u16 D_8016E2F8[];
+extern u8 D_8016E310[];
+
 void func_800EC960(u8 custom) {
     if (!custom) {
         osSyncPrintf("AUDIO : Ocarina Control Assign Normal\n");
@@ -377,7 +427,6 @@ void func_800ECDBC(void) {
     }
 }
 
-#ifdef NON_MATCHING
 void func_800ECDF8(void) {
     u16 sh;
     u16 pad;
@@ -396,16 +445,17 @@ void func_800ECDF8(void) {
             return;
         }
 
-        if (sPrevOcarinaNoteVal == sCurOcarinaBtnVal || sCurOcarinaBtnVal == 0xFF) {
-            inputChanged = 1;
-        }
+        // clang-format off
+        if (sPrevOcarinaNoteVal == sCurOcarinaBtnVal || sCurOcarinaBtnVal == 0xFF) { inputChanged = 1; }
+        // clang-format on
 
         for (i = gOcarinaSongNotestartIdx; i < sOcarinaSongCnt; i++) {
             sh = 1 << i;
             if (sOcarinaAvailSongs & sh) {
                 D_8016BA50[i] = D_8016BA70[i] + 0x12;
                 if (inputChanged) {
-                    if ((D_8016BA50[i] >= D_8016BA70[i] - 0x12) && (D_8016BA50[i] >= D_8016BA70[i]) &&
+                    // (pointless if check, this is always true)
+                    if ((D_8016BA50[i] >= D_8016BA70[i] - 0x12) && (D_8016BA50[i] >= D_8016BA70[i] + 0x12) &&
                         (sOcarinaSongs[i].notes[sLearnSongPos[i]].unk_02 == 0) &&
                         (sLearnSongLastBtn == sLearnSongExpectedNote[i])) {
                         D_80131878 = i + 1;
@@ -431,11 +481,11 @@ void func_800ECDF8(void) {
                     if (sCurOcarinaBtnVal != sLearnSongExpectedNote[i]) {
                         sOcarinaAvailSongs ^= sh;
                     }
-                    for (; prevNote->noteIdx == note->noteIdx || (note->noteIdx == 0xFF && note->unk_02 != 0);
-                         sLearnSongPos[i]++) {
+                    while (prevNote->noteIdx == note->noteIdx || (note->noteIdx == 0xFF && note->unk_02 != 0)) {
                         D_8016BA70[i] += note->unk_02;
-                        note = &sOcarinaSongs[i].notes[sLearnSongPos[i] + 1];
                         prevNote = &sOcarinaSongs[i].notes[sLearnSongPos[i]];
+                        note = &sOcarinaSongs[i].notes[sLearnSongPos[i] + 1];
+                        sLearnSongPos[i]++;
                     }
                 } else if (D_8016BA50[i] < 0xA) {
                     sp57 = -1;
@@ -462,10 +512,6 @@ void func_800ECDF8(void) {
         }
     }
 }
-#else
-void func_800ECDF8(void);
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800EC960/func_800ECDF8.s")
-#endif
 
 void func_800ED200(void) {
     u32 temp_v0;
@@ -474,7 +520,7 @@ void func_800ED200(void) {
     u8 k;
 
     if (CHECK_BTN_ANY(sCurOcarinaBtnPress, BTN_L) && CHECK_BTN_ANY(sCurOcarinaBtnPress, sOcarinaAllowedBtnMask)) {
-        func_800ECC04(D_80130F3E);
+        func_800ECC04((u16)D_80130F3C);
         return;
     }
 
@@ -533,7 +579,7 @@ void func_800ED458(s32 arg0) {
     }
 
     if ((D_8016BA10 == 0) ||
-        ((sCurOcarinaBtnPress & sOcarinaAllowedBtnMask) != (0, D_8016BA10 & sOcarinaAllowedBtnMask))) {
+        ((D_8016BA10 & sOcarinaAllowedBtnMask) != (sCurOcarinaBtnPress & sOcarinaAllowedBtnMask))) {
         D_8016BA10 = 0;
         if (1) {}
         sCurOcarinaBtnVal = 0xFF;
@@ -660,12 +706,6 @@ void func_800ED93C(s8 songIdx, s8 arg1) {
     }
 }
 
-extern u8 sNotePlaybackVolume;
-extern f32 sNormalizedNotePlaybackVolume;
-extern u8 sNotePlaybackVibrato;
-extern s8 sNotePlaybackTone;
-extern f32 sNormalizedNotePlaybackTone;
-
 void Audio_OcaPlayback(void) {
     s32 noteTimerStep;
     s32 nextNoteTimerStep;
@@ -1145,16 +1185,664 @@ u8* func_800EE9D0(s32 arg0, u8 arg1) {
     return D_8016B9B8;
 }
 
-extern char D_80131CAC[][0x17];
-extern char D_80131F54[][5];
-extern char D_80131E38[7][0xB];
-extern char D_80131E88[][0xA];
-extern u8 D_80131F68;
-
 // Debug Print
+#ifdef NON_EQUIVALENT
+void func_800EEA50(GfxPrint* printer) {
+    char digitStr[2] = "1"; // sp98
+    s32 s0;
+    s32 k;
+    u8 i;
+    u8 j;
+    u8 songInd;
+    u8 totalNumLayers;
+    u8 instOrWave;
+    u8 inst;
+    u8 phi_s2_3;
+    s8 ind;
+    u8 idx;             // v1
+    u8 bank;            // fp
+    u8 numEnabledNotes; // sp78
+
+#define SETCOL_COMMON(v, r, g, b) \
+    GfxPrint_SetColor(printer, ((v & 4) >> 2) * (r), ((v & 2) >> 1) * (g), (v & 1) * (b), 255)
+#define SETCOL(r, g, b) SETCOL_COMMON(D_80131CA8, r, g, b)
+#define SETCOL2(r, g, b) SETCOL_COMMON(D_80131EE4[2], r, g, b)
+
+    D_80131C98 = 1;
+    GfxPrint_SetPos(printer, 3, 2);
+    SETCOL(255, 255, 255);
+    GfxPrint_Printf(printer, "Audio Debug Mode");
+
+    GfxPrint_SetPos(printer, 3, 3);
+    GfxPrint_Printf(printer, "- %s -", D_80131CAC[D_80131CA0]);
+
+    numEnabledNotes = 0;                                                          // s0
+    for (i = 0; i < gAudioSessionPresets[D_80133414].maxSimultaneousNotes; i++) { // s6
+        if (gAudioContext.notes[i].noteSubEu.bitField0.s.enabled == 1) {
+            numEnabledNotes++;
+        }
+    }
+
+    if (D_80131F68 < numEnabledNotes) {
+        D_80131F68 = numEnabledNotes;
+    }
+    if (D_8016B9E0[D_80133414] < numEnabledNotes) {
+        D_8016B9E0[D_80133414] = numEnabledNotes;
+    }
+
+    if (D_80131EE4[0] != 0) {
+        GfxPrint_SetPos(printer, D_80131EDC, D_80131EE0);
+        SETCOL2(0xC8, 0xC8, 0xC8);
+        GfxPrint_Printf(printer, "Audio ScrPrt");
+
+        ind = sAudioScreenPrintInd;               // fp
+        for (k = 0; k < D_80131EE4[1] + 1; k++) { // s2 (s32 loop)
+            if (ind == 0) {
+                if (sAudioScreenPrintOverflow == 1) {
+                    ind = 25 - 1;
+                } else {
+                    k = D_80131EE4[1] + 1; // "break;"
+                }
+            } else {
+                ind--;
+            }
+            if (k != D_80131EE4[1] + 1) {
+                if ((ind % 5) != 0) {
+                    SETCOL2(0xB4, 0xB4, 0xB4);
+                } else {
+                    SETCOL2(0x78, 0x78, 0x78);
+                }
+                GfxPrint_SetPos(printer, D_80131EDC + 2, D_80131EE0 + D_80131EE4[1] + 1 - k);
+                GfxPrint_Printf(printer, "%s", sAudioScreenPrintBuf[ind].str);
+
+                GfxPrint_SetPos(printer, D_80131EDC + 7, D_80131EE0 + D_80131EE4[1] + 1 - k);
+                GfxPrint_Printf(printer, "%04X", sAudioScreenPrintBuf[ind].num);
+            }
+        }
+    }
+
+    switch (D_80131CA0) {
+        case 0:
+            GfxPrint_SetPos(printer, 3, 4);
+            SETCOL(255, 6, 6);
+            GfxPrint_Printf(printer, "BGM CANCEL:%s", D_80131F54[D_80131E08[5]]);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "SE MUTE:%s", D_80131F54[D_80131C9C]);
+
+            GfxPrint_SetPos(printer, 18, 4);
+            SETCOL(255, 255, 255);
+            GfxPrint_Printf(printer, "PUSH CONT-4 A-BTN");
+
+            bank = (u8)D_80131E08[2];
+            i = gSoundBanks[bank][0].next; // s6, s3
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(printer, "SE HANDLE:%s", D_80131E38[bank]);
+
+            while (i != 0xFF) {
+                GfxPrint_SetPos(printer, 3, j + 7);
+                GfxPrint_Printf(printer, "%02x %04x %02x %08x", i, gSoundBanks[bank][i].unk_28,
+                                gSoundBanks[bank][i].unk_2A, gSoundBanks[bank][i].unk_20);
+                i = gSoundBanks[bank][i].next;
+                j++;
+            }
+            break;
+
+        case 1:
+            GfxPrint_SetPos(printer, 2, D_80131CA4 + 4);
+            SETCOL(127, 255, 127);
+            GfxPrint_Printf(printer, "*");
+
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 4);
+            GfxPrint_Printf(printer, "Seq 0  : %2x", D_80131E08[0]);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "Seq 1  : %2x", D_80131E08[1]);
+
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(printer, "SE HD  : %2x %s", D_80131E08[2], D_80131E38[D_80131E08[2]]);
+
+            GfxPrint_SetPos(printer, 3, 7);
+            GfxPrint_Printf(printer, "SE No. :%3x", D_80131E08[3]);
+
+            GfxPrint_SetPos(printer, 3, 8);
+            GfxPrint_Printf(printer, "S-Out  : %2x %s", D_80131E08[4], D_80131E88[D_80131E08[4]]);
+
+            GfxPrint_SetPos(printer, 3, 9);
+            GfxPrint_Printf(printer, "BGM Ent: %2x", D_80131E08[5]);
+
+            GfxPrint_SetPos(printer, 3, 10);
+            GfxPrint_Printf(printer, "Spec   : %2x", D_80131E08[6]);
+
+            GfxPrint_SetPos(printer, 3, 11);
+            GfxPrint_Printf(printer, "Na Snd : %2x", D_80131E08[7]);
+
+            GfxPrint_SetPos(printer, 3, 12);
+            GfxPrint_Printf(printer, "Cam Wt : %s", D_80131F54[D_80131E08[8]]);
+
+            GfxPrint_SetPos(printer, 3, 13);
+            GfxPrint_Printf(printer, "Lnk Wt : %s", D_80131F54[D_80131E08[9]]);
+
+            GfxPrint_SetPos(printer, 3, 14);
+            GfxPrint_Printf(printer, "SE Ent : %2x", D_80131E08[10]);
+            break;
+
+        case 7:
+            ind = 0;                  // fp
+            for (k = 0; k < 7; k++) { // s2 (s32 loop)
+                if (k == D_80131EC4) {
+                    SETCOL(255, 127, 127);
+                } else {
+                    SETCOL(255, 255, 255);
+                }
+                GfxPrint_SetPos(printer, D_80131EBC + 2, D_80131EC0 + ind + 4);
+                GfxPrint_Printf(printer, "%s <%d>", D_80131E38[k], D_80131EC8[k]);
+
+                for (s0 = 0; s0 < D_80130578[D_801333CC][k]; s0++) {
+                    GfxPrint_SetPos(printer, D_80131EBC + 2, D_80131EC0 + ind + 5);
+                    if (D_80131EC8[k] == 1) {
+                        idx = D_8016E1B8[k][s0].unk_4;
+                        if ((idx != 0xFF) && ((gSoundBanks[k][idx].unk_2A == 4) || (gSoundBanks[k][idx].unk_2A == 5))) {
+                            SoundBankEntry* entry = &gSoundBanks[k][idx];
+                            GfxPrint_Printf(printer, "%2X %5d %5d %5d %02X %04X %04X", idx, (s32)*entry->posX,
+                                            (s32)*entry->posY, (s32)*entry->posZ, entry->unk_24, entry->unk_26,
+                                            entry->unk_28);
+                        } else {
+                            GfxPrint_Printf(printer, "FF ----- ----- ----- -- ---- ----", idx);
+                        }
+                    } else if (D_80131EC8[k] == 2) {
+                        idx = D_8016E1B8[k][s0].unk_4;
+                        if ((idx != 0xFF) && ((gSoundBanks[k][idx].unk_2A == 4) || (gSoundBanks[k][idx].unk_2A == 5))) {
+                            SoundBankEntry* entry = &gSoundBanks[k][idx];
+                            SequenceChannel* chan = gAudioContext.seqPlayers[2].channels[entry->unk_2E];
+                            GfxPrint_Printf(printer, "%2X %5d %5d %5d %3d %3d %04X", idx, (s32)*entry->posX,
+                                            (s32)*entry->posY, (s32)*entry->posZ, (s32)(chan->volume * 127.1f),
+                                            chan->newPan, entry->unk_28);
+                        } else {
+                            GfxPrint_Printf(printer, "FF ----- ----- ----- --- --- ----", idx);
+                        }
+                    } else if (D_80131EC8[k] == 3) {
+                        idx = D_8016E1B8[k][s0].unk_4;
+                        if ((idx != 0xFF) && ((gSoundBanks[k][idx].unk_2A == 4) || (gSoundBanks[k][idx].unk_2A == 5))) {
+                            SoundBankEntry* entry = &gSoundBanks[k][idx];
+                            SequenceChannel* chan = gAudioContext.seqPlayers[2].channels[entry->unk_2E];
+                            GfxPrint_Printf(printer, "%2X %5d %5d %5d %3d %3d %04X", idx, (s32)*entry->posX,
+                                            (s32)*entry->posY, (s32)*entry->posZ, (s32)(chan->freqScale * 100.0f),
+                                            chan->reverb, entry->unk_28);
+                        } else {
+                            GfxPrint_Printf(printer, "FF ----- ----- ----- --- --- ----", idx);
+                        }
+                    } else if (D_80131EC8[k] == 4) {
+                        idx = D_8016E1B8[k][s0].unk_4;
+                        if ((idx != 0xFF) && ((gSoundBanks[k][idx].unk_2A == 4) || (gSoundBanks[k][idx].unk_2A == 5))) {
+                            SoundBankEntry* entry = &gSoundBanks[k][idx];
+                            GfxPrint_Printf(printer, "%2X %04X", idx, entry->unk_28);
+                        } else {
+                            GfxPrint_Printf(printer, "FF ----", idx);
+                        }
+                    }
+
+                    if (D_80131EC8[k] != 0) {
+                        ind++;
+                    }
+                }
+                ind++;
+            }
+            break;
+
+        case 13:
+            GfxPrint_SetPos(printer, 2, D_80131ED0 + 4);
+            SETCOL(255, 255, 255);
+            GfxPrint_Printf(printer, "*");
+
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 4);
+            GfxPrint_Printf(printer, "Swicth  : %d", D_80131EE4[0]);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "Lines   : %d", D_80131EE4[1] + 1);
+
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(printer, "Color   : %d", D_80131EE4[2]);
+
+            GfxPrint_SetPos(printer, 3, 7);
+            GfxPrint_Printf(printer, "%s  : %d", D_80131E38[0], D_80131EE4[3]);
+
+            GfxPrint_SetPos(printer, 3, 8);
+            GfxPrint_Printf(printer, "%s    : %d", D_80131E38[1], D_80131EE4[4]);
+
+            GfxPrint_SetPos(printer, 3, 9);
+            GfxPrint_Printf(printer, "ENVRONM : %d", D_80131EE4[5]);
+
+            GfxPrint_SetPos(printer, 3, 10);
+            GfxPrint_Printf(printer, "%s   : %d", D_80131E38[3], D_80131EE4[6]);
+
+            GfxPrint_SetPos(printer, 3, 11);
+            GfxPrint_Printf(printer, "%s  : %d", D_80131E38[4], D_80131EE4[7]);
+
+            GfxPrint_SetPos(printer, 3, 12);
+            GfxPrint_Printf(printer, "%s : %d", D_80131E38[5], D_80131EE4[8]);
+
+            GfxPrint_SetPos(printer, 3, 13);
+            GfxPrint_Printf(printer, "%s    : %d", D_80131E38[6], D_80131EE4[9]);
+
+            GfxPrint_SetPos(printer, 3, 14);
+            GfxPrint_Printf(printer, "SEQ ENT : %d", D_80131EE4[10]);
+            break;
+
+        case 8:
+            GfxPrint_SetPos(printer, 3, 4);
+            SETCOL(255, 255, 255);
+            if (D_801333F4 != 0) {
+                GfxPrint_Printf(printer, "SWAP OFF");
+            }
+
+            if (D_80131F00 == 0) {
+                SETCOL(255, 255, 255);
+            } else {
+                SETCOL(127, 127, 127);
+            }
+            GfxPrint_SetPos(printer, 2, D_80131F04 + 6);
+            GfxPrint_Printf(printer, "*");
+
+            phi_s2_3 = D_80131F08;
+            if (D_80131F08 >= 4) {
+                phi_s2_3++;
+            }
+            if (D_80131F00 == 1) {
+                SETCOL(255, 255, 255);
+                GfxPrint_SetPos(printer, phi_s2_3 + 3, 5);
+                GfxPrint_Printf(printer, "V");
+            }
+
+            for (i = 0; i < 10; i++) { // s3, s6
+                if (i == D_80131F04) {
+                    if (D_80131F00 == 0) {
+                        SETCOL(192, 192, 192);
+                    } else {
+                        SETCOL(255, 255, 255);
+                    }
+                } else if (D_80131F00 == 0) {
+                    SETCOL(144, 144, 144);
+                } else {
+                    SETCOL(96, 96, 96);
+                }
+                GfxPrint_SetPos(printer, 3, i + 6);
+                GfxPrint_Printf(printer, "%04x %04x %s", D_8016E2E0[i], D_8016E2F8[i], D_80131F0C[D_8016E310[i]]);
+            }
+            break;
+
+        case 5:
+            GfxPrint_SetPos(printer, 3, 4);
+            SETCOL(255, 255, 255);
+            GfxPrint_Printf(printer, "Group Track:%d", D_80131F28);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "Sub Track  :%d", D_80131F2C);
+
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(printer, "TRK NO. ");
+
+            GfxPrint_SetPos(printer, 3, 7);
+            GfxPrint_Printf(printer, "ENTRY   ");
+
+            GfxPrint_SetPos(printer, 3, 8);
+            GfxPrint_Printf(printer, "MUTE    ");
+
+            GfxPrint_SetPos(printer, 3, 9);
+            GfxPrint_Printf(printer, "OPENNOTE");
+
+            totalNumLayers = 0;        // s4
+            for (i = 0; i < 16; i++) { // s3, s6
+                u8 numLayers = 0;      // s2
+                if (i == D_80131F2C) {
+                    SETCOL(255, 255, 255);
+                } else {
+                    SETCOL(200, 200, 200);
+                }
+                GfxPrint_SetPos(printer, i + 15, 6);
+                GfxPrint_Printf(printer, "%1X", i);
+
+                GfxPrint_SetPos(printer, i + 15, 7);
+                if (gAudioContext.seqPlayers[D_80131F28].channels[i]->enabled) {
+                    GfxPrint_Printf(printer, "O");
+                } else {
+                    GfxPrint_Printf(printer, "X");
+                }
+
+                GfxPrint_SetPos(printer, i + 15, 8);
+                if (gAudioContext.seqPlayers[D_80131F28].channels[i]->stopSomething2) {
+                    GfxPrint_Printf(printer, "O");
+                } else {
+                    GfxPrint_Printf(printer, "X");
+                }
+
+                GfxPrint_SetPos(printer, i + 15, 9);
+                for (j = 0; j < 4; j++) { // s0
+                    if (gAudioContext.seqPlayers[D_80131F28].channels[i]->layers[j] != NULL) {
+                        numLayers++;
+                    }
+                }
+
+                GfxPrint_Printf(printer, "%1X", numLayers);
+                totalNumLayers += numLayers;
+            }
+
+            SETCOL(255, 255, 255);
+            if (D_80131F30[D_80131F28] < totalNumLayers) {
+                D_80131F30[D_80131F28] = totalNumLayers;
+            }
+            GfxPrint_SetPos(printer, i + 16, 9);
+            GfxPrint_Printf(printer, "%2d,%2d", totalNumLayers, D_80131F30[D_80131F28]);
+
+            GfxPrint_SetPos(printer, 3, 11);
+            GfxPrint_Printf(printer, "VOL     ");
+
+            GfxPrint_SetPos(printer, 3, 12);
+            GfxPrint_Printf(printer, "E VOL   ");
+
+            GfxPrint_SetPos(printer, 3, 13);
+            GfxPrint_Printf(printer, "BANK ID ");
+
+            GfxPrint_SetPos(printer, 3, 14);
+            GfxPrint_Printf(printer, "PROG    ");
+
+            GfxPrint_SetPos(printer, 3, 15);
+            GfxPrint_Printf(printer, "PAN    ");
+
+            GfxPrint_SetPos(printer, 3, 16);
+            GfxPrint_Printf(printer, "PANPOW  ");
+
+            GfxPrint_SetPos(printer, 3, 17);
+            GfxPrint_Printf(printer, "FXMIX   ");
+
+            GfxPrint_SetPos(printer, 3, 18);
+            GfxPrint_Printf(printer, "PRIO    ");
+
+            GfxPrint_SetPos(printer, 3, 19);
+            GfxPrint_Printf(printer, "VIB PIT ");
+
+            GfxPrint_SetPos(printer, 3, 20);
+            GfxPrint_Printf(printer, "VIB DEP ");
+
+            GfxPrint_SetPos(printer, 3, 21);
+            GfxPrint_Printf(printer, "TUNE    ");
+
+            GfxPrint_SetPos(printer, 3, 22);
+            GfxPrint_Printf(printer, "TUNE    ");
+
+            for (i = 0; i < 8; i++) { // s3, s6
+                GfxPrint_SetPos(printer, (i + 5) * 3, 22);
+                GfxPrint_Printf(printer, "%02X ",
+                                gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->soundScriptIO[i]);
+            }
+
+            if (gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->enabled) {
+                GfxPrint_SetPos(printer, 15, 11);
+                GfxPrint_Printf(printer, "%d",
+                                (u32)(gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->volume * 127.1) &
+                                    0xFF);
+
+                GfxPrint_SetPos(printer, 15, 12);
+                GfxPrint_Printf(printer, "%d",
+                                (u32)(gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->volumeScale * 127.1) &
+                                    0xFF);
+
+                GfxPrint_SetPos(printer, 15, 13);
+                GfxPrint_Printf(printer, "%X", gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->bankId);
+
+                instOrWave = (u8)gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->instOrWave;
+                if (instOrWave == 0) {
+                    inst = 0x7F;
+                } else {
+                    inst = instOrWave;
+                    if (instOrWave < 0x80) {
+                        inst--;
+                    }
+                }
+
+                GfxPrint_SetPos(printer, 15, 14);
+                GfxPrint_Printf(printer, "%d", inst);
+
+                GfxPrint_SetPos(printer, 15, 15);
+                GfxPrint_Printf(printer, "%d", gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->newPan);
+
+                GfxPrint_SetPos(printer, 15, 16);
+                GfxPrint_Printf(printer, "%d",
+                                gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->panChannelWeight);
+
+                GfxPrint_SetPos(printer, 15, 17);
+                GfxPrint_Printf(printer, "%d", gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->reverb);
+
+                GfxPrint_SetPos(printer, 15, 18);
+                GfxPrint_Printf(printer, "%d", gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->notePriority);
+
+                GfxPrint_SetPos(printer, 15, 19);
+                GfxPrint_Printf(printer, "%d",
+                                (gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->vibratoRateTarget / 32) &
+                                    0xFF);
+
+                GfxPrint_SetPos(printer, 15, 20);
+                GfxPrint_Printf(printer, "%d",
+                                (gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->vibratoExtentTarget / 8) &
+                                    0xFF);
+
+                GfxPrint_SetPos(printer, 15, 21);
+                GfxPrint_Printf(printer, "%d",
+                                (u32)(gAudioContext.seqPlayers[D_80131F28].channels[D_80131F2C]->freqScale * 100.0f) &
+                                    0xFFFF);
+            }
+            break;
+
+        case 3:
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 4);
+            GfxPrint_Printf(printer, "TOTAL  %d", D_8014A6C4.heap);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "DRIVER %05X / %05X",
+                            gAudioContext.notesAndBuffersPool.cur - gAudioContext.notesAndBuffersPool.start,
+                            gAudioContext.notesAndBuffersPool.size);
+
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(
+                printer, "AT-SEQ %02X-%02X (%05X-%05X / %05X)", (u8)gAudioContext.seqLoadedPool.temporary.entries[0].id,
+                (u8)gAudioContext.seqLoadedPool.temporary.entries[1].id,
+                gAudioContext.seqLoadedPool.temporary.entries[0].size,
+                gAudioContext.seqLoadedPool.temporary.entries[1].size, gAudioContext.seqLoadedPool.temporary.pool.size);
+
+            GfxPrint_SetPos(printer, 3, 7);
+            GfxPrint_Printf(printer, "AT-BNK %02X-%02X (%05X-%05X / %05X)",
+                            (u8)gAudioContext.bankLoadedPool.temporary.entries[0].id,
+                            (u8)gAudioContext.bankLoadedPool.temporary.entries[1].id,
+                            gAudioContext.bankLoadedPool.temporary.entries[0].size,
+                            gAudioContext.bankLoadedPool.temporary.entries[1].size,
+                            gAudioContext.bankLoadedPool.temporary.pool.size);
+
+            GfxPrint_SetPos(printer, 3, 8);
+            GfxPrint_Printf(
+                printer, "ST-SEQ %02Xseqs  (%05X / %06X)", gAudioContext.seqLoadedPool.persistent.numEntries,
+                gAudioContext.seqLoadedPool.persistent.pool.cur - gAudioContext.seqLoadedPool.persistent.pool.start,
+                gAudioContext.seqLoadedPool.persistent.pool.size);
+
+            for (k = 0; k < gAudioContext.seqLoadedPool.persistent.numEntries; k++) { // s2 (s32 loop)
+                GfxPrint_SetPos(printer, (k + 1) * 3, 9);
+                GfxPrint_Printf(printer, "%02x", gAudioContext.seqLoadedPool.persistent.entries[k].id);
+            }
+
+            GfxPrint_SetPos(printer, 3, 10);
+            GfxPrint_Printf(
+                printer, "ST-BNK %02Xbanks (%05X / %06X)", gAudioContext.bankLoadedPool.persistent.numEntries,
+                gAudioContext.bankLoadedPool.persistent.pool.cur - gAudioContext.bankLoadedPool.persistent.pool.start,
+                gAudioContext.bankLoadedPool.persistent.pool.size);
+
+            for (k = 0; k < gAudioContext.bankLoadedPool.persistent.numEntries; k++) { // s2 (s32 loop)
+                GfxPrint_SetPos(printer, (k + 1) * 3, 11);
+                GfxPrint_Printf(printer, "%02x", gAudioContext.bankLoadedPool.persistent.entries[k].id);
+            }
+
+            GfxPrint_SetPos(printer, 3, 12);
+            GfxPrint_Printf(printer, "E-MEM  %05X / %05X", gAudioContext.unk_2D50.cur - gAudioContext.unk_2D50.start,
+                            gAudioContext.unk_2D50.size);
+            break;
+
+        case 9:
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 4);
+            GfxPrint_Printf(printer, "BGM No.    %02X", D_80131F4C[0]);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "SCENE SET  %02X %s", D_80131F4C[1], D_80131F44[D_80131F4C[1]]);
+
+            SETCOL(0x64, 255, 0x64);
+            GfxPrint_SetPos(printer, 2, D_80131F50 + 4);
+            GfxPrint_Printf(printer, "*");
+
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 7);
+            GfxPrint_Printf(printer, "NEXT SCENE %02X %s", (u8)gAudioContext.seqPlayers[0].unk_158[2],
+                            D_80131F44[(u8)gAudioContext.seqPlayers[0].unk_158[2]]);
+
+            GfxPrint_SetPos(printer, 3, 8);
+            GfxPrint_Printf(printer, "NOW SCENE  %02X %s", (u8)gAudioContext.seqPlayers[0].unk_158[4],
+                            D_80131F44[(u8)gAudioContext.seqPlayers[0].unk_158[4]]);
+
+            GfxPrint_SetPos(printer, 3, 9);
+            GfxPrint_Printf(printer, "NOW BLOCK  %02X", (gAudioContext.seqPlayers[0].unk_158[5] + 1) & 0xFF);
+
+            GfxPrint_SetPos(printer, 3, 11);
+            GfxPrint_Printf(printer, "PORT");
+
+            GfxPrint_SetPos(printer, 3, 12);
+            GfxPrint_Printf(printer, "%02X %02X %02X %02X", (u8)gAudioContext.seqPlayers[0].unk_158[0],
+                            (u8)gAudioContext.seqPlayers[0].unk_158[1], (u8)gAudioContext.seqPlayers[0].unk_158[2],
+                            (u8)gAudioContext.seqPlayers[0].unk_158[3]);
+
+            GfxPrint_SetPos(printer, 3, 13);
+            GfxPrint_Printf(printer, "%02X %02X %02X %02X", (u8)gAudioContext.seqPlayers[0].unk_158[4],
+                            (u8)gAudioContext.seqPlayers[0].unk_158[5], (u8)gAudioContext.seqPlayers[0].unk_158[6],
+                            (u8)gAudioContext.seqPlayers[0].unk_158[7]);
+            break;
+
+        case 11:
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 4);
+            GfxPrint_Printf(printer, "SEQ INFO  : %2d %02x %d", sDisplayedStaff.noteIdx, sDisplayedStaff.state,
+                            sDisplayedStaff.pos);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "PLAY INFO : %2d %02x %d", D_8016B9F8.noteIdx, D_8016B9F8.state, D_8016B9F8.pos);
+
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(printer, "8note REC POINTER : %08x", gScarecrowSpawnSongPtr);
+
+            songInd = 0;                  // s2
+            for (j = 0; j < 4; j++) {     // s0, a0
+                for (i = 0; i < 8; i++) { // s3, s6
+                    GfxPrint_SetPos(printer, (i + 1) * 3, j + 7);
+                    GfxPrint_Printf(printer, "%02x", gScarecrowSpawnSongPtr[songInd++]);
+                }
+            }
+
+            GfxPrint_SetPos(printer, 3, 24);
+            GfxPrint_Printf(printer, "OCA:%02x SEQ:%04x PLAY:%02x REC:%02x", D_80130F10, D_80130F3C, sPlaybackState,
+                            D_80131858);
+            break;
+
+        case 12:
+            GfxPrint_SetPos(printer, 2, D_80131F18 + 4);
+            SETCOL(127, 255, 127);
+            GfxPrint_Printf(printer, "*");
+
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 4);
+            GfxPrint_Printf(printer, "SE HD  : %02x %s", D_80131F20[0], D_80131E38[D_80131F20[0]]);
+
+            GfxPrint_SetPos(printer, 3, 5);
+            GfxPrint_Printf(printer, "SE No. : %02x", D_80131F20[1]);
+
+            GfxPrint_SetPos(printer, 20, 6);
+            GfxPrint_Printf(printer, "       : %04x", D_8013331C[D_80131F20[0]][D_80131F20[1]].unk_2);
+
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(printer, "SE SW    %s", func_800EE9D0(D_8013331C[D_80131F20[0]][D_80131F20[1]].unk_2, 16));
+
+            SETCOL(127, 255, 127);
+            digitStr[0] = (char)('0' + ((D_8013331C[D_80131F20[0]][D_80131F20[1]].unk_2 >> (15 - D_80131F1C)) & 1));
+            GfxPrint_SetPos(printer, D_80131F1C + 12, 6);
+            GfxPrint_Printf(printer, "%s", &digitStr);
+
+            SETCOL(255, 255, 255);
+            GfxPrint_SetPos(printer, 3, 7);
+            GfxPrint_Printf(printer, "SE PR  : %02x", D_8013331C[D_80131F20[0]][D_80131F20[1]].unk_0);
+            break;
+
+        case 14:
+            GfxPrint_SetPos(printer, 3, 4);
+            SETCOL(255, 255, 255);
+            GfxPrint_Printf(printer, "env_fx %d code_fx %d SPEC %d", D_80130614, D_80130618, D_80133414);
+
+            if (sAudioUpdateTaskEnd == sAudioUpdateTaskStart) {
+                D_80131C90 = (f32)((sAudioUpdateEndTime - sAudioUpdateStartTime) * 64ULL / 3) / 50000000.0f;
+                if (D_80131C94 < D_80131C90) {
+                    D_80131C94 = D_80131C90;
+                }
+            }
+
+            GfxPrint_SetPos(printer, 3, 6);
+            GfxPrint_Printf(printer, "SOUND GAME FRAME NOW %f", D_80131C90);
+
+            GfxPrint_SetPos(printer, 3, 7);
+            GfxPrint_Printf(printer, "SOUND GAME FRAME MAX %f", D_80131C94);
+
+            GfxPrint_SetPos(printer, 3, 9);
+            GfxPrint_Printf(printer, "SWITCH BGM MODE %d %d %d (FLAG %d)", D_8013061C, D_80130634, D_80130638,
+                            D_80130654);
+
+            GfxPrint_SetPos(printer, 3, 10);
+            GfxPrint_Printf(printer, "ENEMY DIST %f VOL %3d", D_80130620, D_80130624);
+
+            GfxPrint_SetPos(printer, 3, 11);
+            GfxPrint_Printf(printer, "GANON DIST VOL %3d", D_8016B8B4);
+
+            GfxPrint_SetPos(printer, 3, 12);
+            GfxPrint_Printf(printer, "DEMO FLAG %d", D_8013060C);
+
+            GfxPrint_SetPos(printer, 3, 12);
+            if (D_8016BAA8 == 1) {
+                GfxPrint_Printf(printer, "MARON BGM DIST %f", D_8016BAAC);
+                D_8016BAA8 = 0;
+            }
+
+            GfxPrint_SetPos(printer, 3, 23);
+            if (D_80131F64 != 0) {
+                GfxPrint_Printf(printer, "NATURE FAILED %01x", D_80131F64);
+            }
+
+            GfxPrint_SetPos(printer, 3, 24);
+            if (D_8013064C != 0) {
+                GfxPrint_Printf(printer, "SARIA BGM PTR %08x", D_8013064C);
+            }
+
+            GfxPrint_SetPos(printer, 3, 25);
+            GfxPrint_Printf(printer, "POLI %d(%d)", D_80131F68, numEnabledNotes);
+
+            for (i = 0; i < 11; i++) { // s3, s6
+                GfxPrint_SetPos(printer, (i + 1) * 3, 26);
+                GfxPrint_Printf(printer, "%d", D_8016B9E0[i]);
+            }
+            break;
+    }
+#undef SETCOL_COMMON
+#undef SETCOL
+#undef SETCOL2
+}
+#else
 #pragma GLOBAL_ASM("asm/non_matchings/code/code_800EC960/func_800EEA50.s")
+#endif
 
-extern u16 D_80131E14;
 void func_800F1BDC(void) {
     u16 phi_t1 = 1;
 
@@ -1176,12 +1864,12 @@ void func_800F1BDC(void) {
         if (D_80131CA4 > 0) {
             D_80131CA4--;
         } else {
-            D_80131CA4 = 0xA;
+            D_80131CA4 = 10;
         }
     }
 
     if (CHECK_BTN_ANY(sDebugPadPress, BTN_DDOWN)) {
-        if (D_80131CA4 < 0xA) {
+        if (D_80131CA4 < 10) {
             D_80131CA4++;
         } else {
             D_80131CA4 = 0;
@@ -1241,7 +1929,7 @@ void func_800F1BDC(void) {
                 break;
             case 6:
                 Audio_SeqCmdF(0, D_80131E08[D_80131CA4]);
-                D_80131EFC = D_80131E14;
+                D_80131EFC = D_80131E08[6];
                 if (gAudioSessionPresets[D_80131EFC].numSequencePlayers - 1 < D_80131F28) {
                     D_80131F28 = gAudioSessionPresets[D_80131EFC].numSequencePlayers - 1;
                 }
@@ -1327,15 +2015,6 @@ void func_800F2150(void) {
     }
 }
 
-extern u8 D_80131ED0;
-extern u8 D_80131ED4;
-extern u8 D_80131ED8;
-extern s8 D_80131EDC;
-extern s8 D_80131EE0;
-extern u8 D_80131EE4[];
-extern u8 D_80131EF0[];
-extern u8 D_801333F0;
-
 void func_800F227C(void) {
 
     if (D_80131EE4[0] != 0) {
@@ -1358,8 +2037,8 @@ void func_800F227C(void) {
         }
 
         if (CHECK_BTN_ANY(sDebugPadPress, BTN_B)) {
-            D_80131ED4 = 0;
-            D_80131ED8 = 0;
+            sAudioScreenPrintInd = 0;
+            sAudioScreenPrintOverflow = 0;
         }
     }
 
@@ -1372,7 +2051,7 @@ void func_800F227C(void) {
     }
 
     if (CHECK_BTN_ANY(sDebugPadPress, BTN_DDOWN)) {
-        if (D_80131ED0 < 0xA) {
+        if (D_80131ED0 < 10) {
             D_80131ED0++;
         } else {
             D_80131ED0 = 0;
@@ -1396,20 +2075,14 @@ void func_800F227C(void) {
     }
 
     D_801333F0 = D_80131EE4[3] + (D_80131EE4[4] * 2) + (D_80131EE4[5] * 4) + (D_80131EE4[6] * 8) +
-                 (D_80131EE4[7] * 0x10) + (D_80131EE4[8] * 32);
+                 (D_80131EE4[7] * 0x10) + (D_80131EE4[8] * 0x20);
 }
 
-extern u8 D_80131F00;
-extern u8 D_80131F04;
-extern u8 D_80131F08;
-extern u16 D_8016E2E0[];
-extern u16 D_8016E2F8[];
-extern u8 D_801333F4;
-extern u8 D_8016E310[];
 #ifdef NON_MATCHING
+// regalloc near phi_v1
 void func_800F2464(void) {
-    s16 phi_t1;
-    u16 new_var;
+    s16 delta;
+    u16 val;
     u8 phi_v1;
 
     if (D_80131F00 == 0) {
@@ -1429,7 +2102,6 @@ void func_800F2464(void) {
         }
 
         phi_v1 = 9;
-        phi_t1 = phi_t1;
         if ((sDebugPadPress & 0x8000) != 0) {
             D_80131F00 = 1;
         }
@@ -1446,9 +2118,7 @@ void func_800F2464(void) {
                 phi_v1 = 9;
             }
             D_8016E2E0[D_80131F04] = D_8016E2E0[phi_v1];
-            if (!D_80131F08) {
-                ;
-            }
+            if (D_80131F08) {}
             D_8016E2F8[D_80131F04] = D_8016E2F8[phi_v1];
         }
     } else {
@@ -1469,23 +2139,23 @@ void func_800F2464(void) {
 
         if (((sDebugPadPress & 0x800) != 0) || ((sDebugPadPress & 0x400) != 0)) {
             if ((sDebugPadPress & 0x800) != 0) {
-                phi_t1 = (D_8016BAB0 & 8) != 0 ? 8 : 1;
+                delta = (D_8016BAB0 & 8) != 0 ? 8 : 1;
             }
 
             if ((sDebugPadPress & 0x400) != 0) {
-                phi_t1 = (D_8016BAB0 & 8) != 0 ? -8 : -1;
+                delta = (D_8016BAB0 & 8) != 0 ? -8 : -1;
             }
 
             if (D_80131F08 < 4) {
-                new_var = (u16)(((D_8016E2E0[D_80131F04] >> (((-D_80131F08) * 4) + 0xC)) + phi_t1) & 0xF);
-                D_8016E2E0[D_80131F04] =
-                    (u16)((D_8016E2E0[D_80131F04] & ((0xF << (((-D_80131F08) * 4) + 0xC)) ^ 0xFFFF)) +
-                          (new_var << (((-D_80131F08) * 4) + 0xC)));
+                val = D_8016E2E0[D_80131F04] >> (((-D_80131F08) * 4) + 0xC);
+                val = (val + delta) & 0xF;
+                D_8016E2E0[D_80131F04] = (D_8016E2E0[D_80131F04] & ((0xF << (((-D_80131F08) * 4) + 0xC)) ^ 0xFFFF)) +
+                                         (val << (((-D_80131F08) * 4) + 0xC));
             } else {
-                new_var = (u16)(((D_8016E2F8[D_80131F04] >> (((-D_80131F08) * 4) + 0x1C)) + phi_t1) & 0xF);
-                D_8016E2F8[D_80131F04] =
-                    (u16)((D_8016E2F8[D_80131F04] & ((0xF << (((-D_80131F08) * 4) + 0x1C)) ^ 0xFFFF)) +
-                          (new_var << (((-D_80131F08) * 4) + 0x1C)));
+                val = D_8016E2F8[D_80131F04] >> (((-D_80131F08) * 4) + 0x1C);
+                val = (val + delta) & 0xF;
+                D_8016E2F8[D_80131F04] = (D_8016E2F8[D_80131F04] & ((0xF << (((-D_80131F08) * 4) + 0x1C)) ^ 0xFFFF)) +
+                                         (val << (((-D_80131F08) * 4) + 0x1C));
             }
         }
 
@@ -1586,12 +2256,6 @@ void func_800F28B4(void) {
 void func_800F29FC(void) {
 }
 
-extern u8 D_80131F18;
-extern u16 D_80131F20[];
-
-extern u16 D_80131E24;
-extern u8 D_80131F1C;
-
 void func_800F2A04(void) {
     s32 phi_a2;
     u16 sfx;
@@ -1623,7 +2287,7 @@ void func_800F2A04(void) {
                 if (D_80131F20[D_80131F18] > 0) {
                     D_80131F20[D_80131F18]--;
                 } else {
-                    D_80131F20[D_80131F18] = D_80131E24 - 1;
+                    D_80131F20[D_80131F18] = D_80131E20[2] - 1;
                 }
             } else {
                 D_80131F20[D_80131F18] -= phi_a2;
@@ -1639,7 +2303,7 @@ void func_800F2A04(void) {
     if (CHECK_BTN_ANY(sDebugPadPress, BTN_DRIGHT)) {
         if (D_80131F18 < 2) {
             if (D_80131F18 == 0) {
-                if (D_80131F20[D_80131F18] < (D_80131E24 - 1)) {
+                if (D_80131F20[D_80131F18] < (D_80131E20[2] - 1)) {
                     D_80131F20[D_80131F18]++;
                 } else {
                     D_80131F20[D_80131F18] = 0;
@@ -1675,26 +2339,26 @@ void func_800F2A04(void) {
     }
 }
 
-void func_800F2D6C(s8* arg0, u16 arg1) {
+void func_800F2D6C(const s8* str, u16 num) {
     u8 i = 0;
 
-    D_8016B7E8[D_80131ED4].unk_06 = arg1;
+    sAudioScreenPrintBuf[sAudioScreenPrintInd].num = num;
 
-    while (arg0[i] != 0) {
-        D_8016B7E8[D_80131ED4].unk_00[i] = arg0[i];
+    while (str[i] != 0) {
+        sAudioScreenPrintBuf[sAudioScreenPrintInd].str[i] = str[i];
         i++;
     }
 
     while (i < 5) {
-        D_8016B7E8[D_80131ED4].unk_00[i] = 0;
+        sAudioScreenPrintBuf[sAudioScreenPrintInd].str[i] = 0;
         i++;
     }
 
-    if (D_80131ED4 < 0x18) {
-        D_80131ED4++;
+    if (sAudioScreenPrintInd < 25 - 1) {
+        sAudioScreenPrintInd++;
     } else {
-        D_80131ED4 = 0;
-        D_80131ED8 = 1;
+        sAudioScreenPrintInd = 0;
+        sAudioScreenPrintOverflow = 1;
     }
 }
 
@@ -1731,7 +2395,8 @@ void func_800F2E28(void) {
 
         if (CHECK_BTN_ANY(sDebugPadPress, BTN_Z)) {
             // change text color
-            D_80131CA8 = (u32)(++D_80131CA8) % 8;
+            D_80131CA8++;
+            D_80131CA8 &= 7;
         }
 
         switch (D_80131CA0) {
@@ -1785,7 +2450,7 @@ void func_800F2E28(void) {
                 break;
         }
 
-        D_8013340C = D_80131EEE;
+        D_8013340C = D_80131EE4[10];
     }
 }
 
@@ -1886,7 +2551,7 @@ s8 func_800F32F0(u8 arg0, u8 arg1, u8 arg2) {
         if (temp_a3->unk_1C < 2500.0f) {
             phi_v0 = *temp_a3->posZ > 0.0f ? (temp_a3->unk_1C / 2500.0f) * 70.0f : (temp_a3->unk_1C / 2500.0f) * 91.0f;
         } else {
-            phi_v0 = 0x46;
+            phi_v0 = 70;
         }
     }
 
@@ -2018,12 +2683,12 @@ u8 func_800F37B8(f32 arg0, SoundBankEntry* arg1, s8 arg2) {
     f32 phi_f12;
 
     if (*arg1->posZ < arg0) {
-        phi_v0 = arg2 < 0x41 ? arg2 : 0x7F - arg2;
+        phi_v0 = arg2 < 65 ? arg2 : 0x7F - arg2;
 
-        if (phi_v0 < 0x1E) {
+        if (phi_v0 < 30) {
             phi_v1 = 0;
         } else {
-            phi_v1 = (((phi_v0 & 0xFFFF) * 0xA) - 0x12C) / 0x22;
+            phi_v1 = (((phi_v0 & 0xFFFF) * 10) - 300) / 34;
             if (phi_v1 != 0) {
                 phi_v1 = 0x10 - phi_v1;
             }
@@ -2067,7 +2732,7 @@ s8 func_800F3990(f32 arg0, u16 arg1) {
 
     if (arg0 >= 0.0f) {
         if (arg0 > 625.0f) {
-            ret = 0x7F;
+            ret = 127;
         } else {
             ret = (arg0 / 625.0f) * 126.0f;
         }
@@ -2075,12 +2740,11 @@ s8 func_800F3990(f32 arg0, u16 arg1) {
     return ret | 1;
 }
 
-extern f32 D_801305C4[];
 void func_800F3A08(u8 bankIdx, u8 entryIdx, u8 channelIdx) {
     f32 sp44;
     s8 phi_a1;
-    s8 sp42;
-    f32 sp3C;
+    s8 reverb;
+    f32 freqScale;
     s8 sp3B;
     u8 sp3A;
     u8 sp39;
@@ -2089,13 +2753,13 @@ void func_800F3A08(u8 bankIdx, u8 entryIdx, u8 channelIdx) {
     u8 sp33;
     SoundBankEntry* temp_a3;
 
-    sp42 = 0;
+    reverb = 0;
     sp3B = 0x40;
     sp3A = 0;
     sp39 = 0;
     sp38 = 0;
     sp33 = 0;
-    sp3C = 1.0f;
+    freqScale = 1.0f;
     sp44 = 1.0f;
     temp_a3 = &gSoundBanks[bankIdx][entryIdx];
     switch (bankIdx) {
@@ -2110,11 +2774,11 @@ void func_800F3A08(u8 bankIdx, u8 entryIdx, u8 channelIdx) {
         case BANK_OCARINA:
             temp_a3->unk_1C = sqrtf(temp_a3->unk_1C);
             sp44 = func_800F3188(bankIdx, entryIdx) * *temp_a3->unk_14;
-            sp42 = func_800F32F0(bankIdx, entryIdx, channelIdx);
+            reverb = func_800F32F0(bankIdx, entryIdx, channelIdx);
             sp3B = func_800F3468(*temp_a3->posX, *temp_a3->posZ, temp_a3->unk_C);
-            sp3C = func_800F35EC(bankIdx, entryIdx) * *temp_a3->unk_10;
+            freqScale = func_800F35EC(bankIdx, entryIdx) * *temp_a3->unk_10;
             if (D_80130604 == 2) {
-                sp34 = D_801305C4[(temp_a3->unk_26 & 0x400) >> 0xA];
+                sp34 = D_801305C4[(temp_a3->unk_26 & 0x400) >> 10];
                 if (!(temp_a3->unk_26 & 0x800)) {
                     if (*temp_a3->posZ < sp34) {
                         sp3A = 0x10;
@@ -2132,7 +2796,7 @@ void func_800F3A08(u8 bankIdx, u8 entryIdx, u8 channelIdx) {
                 }
             }
             if (D_8013063C != 0) {
-                if ((bankIdx == 1) || (bankIdx == 0) || (bankIdx == 6)) {
+                if ((bankIdx == BANK_ITEM) || (bankIdx == BANK_PLAYER) || (bankIdx == BANK_VOICE)) {
                     sp33 = D_8013063C;
                 }
             }
@@ -2157,13 +2821,13 @@ void func_800F3A08(u8 bankIdx, u8 entryIdx, u8 channelIdx) {
     }
 
     Audio_QueueCmdS8(0x6020000 | (channelIdx << 8) | 2, phi_a1);
-    if (sp42 != D_8016B8B8[channelIdx].unk_08) {
-        Audio_QueueCmdS8(0x5020000 | (channelIdx << 8), sp42);
-        D_8016B8B8[channelIdx].unk_08 = sp42;
+    if (reverb != D_8016B8B8[channelIdx].unk_08) {
+        Audio_QueueCmdS8(0x5020000 | (channelIdx << 8), reverb);
+        D_8016B8B8[channelIdx].unk_08 = reverb;
     }
-    if (sp3C != D_8016B8B8[channelIdx].unk_04) {
-        Audio_QueueCmdF32(0x4020000 | (channelIdx << 8), sp3C);
-        D_8016B8B8[channelIdx].unk_04 = sp3C;
+    if (freqScale != D_8016B8B8[channelIdx].unk_04) {
+        Audio_QueueCmdF32(0x4020000 | (channelIdx << 8), freqScale);
+        D_8016B8B8[channelIdx].unk_04 = freqScale;
     }
     if (sp3A != D_8016B8B8[channelIdx].unk_0A) {
         Audio_QueueCmdS8(0xE020000 | (channelIdx << 8), sp3A | 0x10);
@@ -2457,7 +3121,7 @@ void func_800F4A70(void) {
     if (D_80130600 != 0) {
         D_80130600--;
         if (D_80130600 == 0) {
-            func_800F491C(D_801305FF);
+            func_800F491C(D_801305F8[7]);
         }
     }
 }
@@ -2576,12 +3240,12 @@ void func_800F510C(s8 arg0) {
                 phi_v1 = 0x7F - arg0;
             }
 
-            if (phi_v1 >= 0x65) {
-                phi_a2 = 0xB;
-            } else if (phi_v1 < 0x14) {
+            if (phi_v1 > 100) {
+                phi_a2 = 11;
+            } else if (phi_v1 < 20) {
                 phi_a2 = 2;
             } else {
-                phi_a2 = ((phi_v1 - 0x14) / 0xA) + 2;
+                phi_a2 = ((phi_v1 - 20) / 10) + 2;
             }
 
             phi_a1 = 0;
@@ -2808,7 +3472,7 @@ void func_800F5C2C(void) {
 
 void func_800F5C64(u16 arg0) {
     u16 sp26;
-    s32 sp20;
+    u32 sp20;
     u8* sp1C;
     u8* sp18;
 
@@ -2861,9 +3525,6 @@ void func_800F5E18(u8 seqIdx, u16 seqId, u8 fadeTimer, s8 arg3, s8 arg4) {
     Audio_StartSeq(seqIdx, fadeTimer, seqId);
 }
 
-extern u8 D_80130654;
-extern u32 D_80130634;
-extern u32 D_80130638;
 void func_800F5E90(u8 arg0) {
     s32 phi_t0;
     u16 phi_t1;
@@ -2957,38 +3618,38 @@ void func_800F6114(f32 arg0) {
     D_80130620 = arg0;
 }
 
-#ifdef NON_MATCHING
 void func_800F6268(f32 arg0, u16 arg1) {
-    s8 temp_a0;
+    s8 pad;
     s8 phi_v1;
+    s16 temp_a0;
 
     D_8016BAA8 = 1;
     D_8016BAAC = arg0;
     if (D_8016B9F2 == 0) {
-        temp_a0 = func_800FA0B4(0);
+        temp_a0 = (s8)(func_800FA0B4(0) & 0xFF);
         if (temp_a0 == (arg1 & 0xFF)) {
             if ((arg1 & 0xFF) == 0x2F) {
 
                 if (arg0 > 2000.0f) {
-                    phi_v1 = 0x7F;
+                    phi_v1 = 127;
                 } else if (arg0 < 200.0f) {
                     phi_v1 = 0;
                 } else {
-                    phi_v1 = ((arg0 - 200.0f) * 127.0f) / 1800.0f;
+                    phi_v1 = (s8)(((arg0 - 200.0f) * 127.0f) / 1800.0f);
                 }
-                Audio_SeqCmd6(0, 3, 0, 0x7F - phi_v1);
-                Audio_SeqCmd6(0, 3, 1, 0x7F - phi_v1);
+                Audio_SeqCmd6(0, 3, 0, 127 - phi_v1);
+                Audio_SeqCmd6(0, 3, 1, 127 - phi_v1);
                 Audio_SeqCmd6(0, 3, 13, phi_v1);
                 if (D_8016B9D8[0] == 0) {
                     D_8016B9D8[0]++;
                 }
             }
         } else if ((temp_a0 == 1) && ((arg1 & 0xFF) == 0x2F)) {
-            temp_a0 = func_800FA0B4(3);
-            if ((temp_a0 != (arg1 & 0xFF)) && (D_8016B9D8[0] < 0xA)) {
+            temp_a0 = (s8)(func_800FA0B4(3) & 0xFF);
+            if ((temp_a0 != (arg1 & 0xFF)) && (D_8016B9D8[0] < 10)) {
                 func_800F5E18(3, 0x2F, 0, 0, 0);
                 Audio_SeqCmdA(3, 0xFFFC);
-                D_8016B9D8[0] = 0xA;
+                D_8016B9D8[0] = 10;
             }
 
             if (arg0 > 2000.0f) {
@@ -2996,21 +3657,17 @@ void func_800F6268(f32 arg0, u16 arg1) {
             } else if (arg0 < 200.0f) {
                 phi_v1 = 0;
             } else {
-                phi_v1 = ((arg0 - 200.0f) * 127.0f) / 1800.0f;
+                phi_v1 = (s8)(((arg0 - 200.0f) * 127.0f) / 1800.0f);
             }
             Audio_SeqCmd6(3, 3, 0, 127 - phi_v1);
             Audio_SeqCmd6(3, 3, 1, 127 - phi_v1);
         }
 
-        if (D_8016B9D8[0] < 0xA) {
+        if (D_8016B9D8[0] < 10) {
             D_8016B9D8[0]++;
         }
     }
 }
-#else
-void func_800F6268(f32 arg0, u16 arg1);
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800EC960/func_800F6268.s")
-#endif
 
 void func_800F64E0(u8 arg0) {
     D_80130608 = arg0;
@@ -3142,7 +3799,7 @@ void func_800F6964(u16 arg0) {
         switch (i) {
             case 0xB:
             case 0xC:
-                if (D_80133414 == 0xA) {
+                if (D_80133414 == 10) {
                     phi_v1 = 1;
                 }
                 break;
@@ -3227,14 +3884,6 @@ void func_800F6C34(void) {
     D_8016B9F2 = 0;
 }
 
-typedef struct {
-    u16 unk_00;
-    u16 unk_02;
-    u8 unk_04[0x64];
-} D_801306DC_s;
-
-extern D_801306DC_s D_801306DC[];
-
 void func_800F6D58(u8 arg0, u8 arg1, u8 arg2) {
     u8 t;
     u8 temp_a0;
@@ -3302,8 +3951,8 @@ void func_800F6FB4(u8 arg0) {
 
     if ((D_8016E750[0].unk_254 == 0xFFFF) || ((D_80130658[((u8)D_8016E750[0].unk_254) & 0xFFFF] & 0x80) == 0)) {
         func_800F6E7C(D_801306DC[arg0].unk_00, D_801306DC[arg0].unk_02);
-        while ((D_801306DC[arg0].unk_04[i] != 0xFF) && (i < 0x64)) {
-            // Probably a fake match, using Audio_SeqCmd8 deosn't work.
+        while ((D_801306DC[arg0].unk_04[i] != 0xFF) && (i < 100)) {
+            // Probably a fake match, using Audio_SeqCmd8 doesn't work.
             b0 = D_801306DC[arg0].unk_04[i++];
             b1 = D_801306DC[arg0].unk_04[i++];
             b2 = D_801306DC[arg0].unk_04[i++];
diff --git a/src/code/code_800F7260.c b/src/code/code_800F7260.c
index aed3f4cb8..db3180fb1 100644
--- a/src/code/code_800F7260.c
+++ b/src/code/code_800F7260.c
@@ -18,27 +18,20 @@ typedef struct {
     /* 0x0C */ u16 unk_C;
 } Struct_800F8EA0; // size = 0x10
 
-u8 D_80133340[4] = {
-    0x53,
-    0x45,
-    0x00,
-    0x00,
-};
+// rodata for func_800F7680 (this file)
+char D_80133340[] = "SE";
 
+// rodata for func_800F7CEC (this file)
 char D_80133344[] = VT_COL(RED, WHITE) "<INAGAKI CHECK> dist over! flag:%04X ptr:%08X pos:%f-%f-%f" VT_RST "\n";
 
+// file padding
 s32 D_8013338C = 0;
 
-UNK_TYPE D_80133390[] = {
-    0x53455120,
-    0x48000000,
-};
-
-UNK_TYPE D_80133398[] = {
-    0x20202020,
-    0x4C000000,
-};
+// rodata for Audio_ProcessSeqCmd (code_800F9280.c)
+char D_80133390[] = "SEQ H";
+char D_80133398[] = "    L";
 
+// data
 u8 D_801333A0 = 0;
 
 u8 D_801333A4 = 0;
@@ -114,6 +107,8 @@ void Audio_ClearBGMMute(u8 arg0) {
     }
 }
 
+// a3 = freq scale factor for ocarina
+// a5 = reverb add
 void Audio_PlaySoundGeneral(u16 sfxId, Vec3f* a1, u8 a2, f32* a3, f32* a4, s8* a5) {
     u8 i;
     Struct_800F738C* phi_v0;
@@ -559,7 +554,7 @@ void func_800F87A0(u8 bankId) {
         }
         bankIndex = gSoundBanks[bankId][0].next;
     }
-    sp48.unk_28 = bankId << 0xC;
+    sp48.unk_28 = bankId << 12;
     func_800F74E0(0, &sp48);
 }
 
@@ -588,7 +583,7 @@ void func_800F89A0(u8 bankId, Vec3f* pos) {
     SoundBankEntry sp18;
 
     func_800F8884(bankId, pos);
-    sp18.unk_28 = bankId << 0xC;
+    sp18.unk_28 = bankId << 12;
     sp18.posX = &pos->x;
     func_800F74E0(1, &sp18);
 }
diff --git a/src/code/code_800F9280.c b/src/code/code_800F9280.c
index 6b273f981..3f93b87bc 100644
--- a/src/code/code_800F9280.c
+++ b/src/code/code_800F9280.c
@@ -48,7 +48,6 @@ void func_800F9280(u8 seqIdx, u8 seqId, u8 arg2, u16 fadeTimer) {
     }
 }
 #else
-void func_800F9280(u8 seqIdx, u8 seqId, u8 arg2, u16 fadeTimer);
 #pragma GLOBAL_ASM("asm/non_matchings/code/code_800F9280/func_800F9280.s")
 #endif
 
diff --git a/src/overlays/gamestates/ovl_select/z_select.c b/src/overlays/gamestates/ovl_select/z_select.c
index d8c0e81e7..ff20e2a52 100644
--- a/src/overlays/gamestates/ovl_select/z_select.c
+++ b/src/overlays/gamestates/ovl_select/z_select.c
@@ -418,7 +418,7 @@ static char* sLoadingMessages[] = {
     "\x8Dｲﾏ ﾂｸｯﾃﾏｽ",                       // "Now creating"
     "\x8Dｺｼｮｳｼﾞｬﾅｲﾖ",                      // "It's not broken"
     "\x8Cｺｰﾋｰ ﾌﾞﾚｲｸ",                      // "Coffee Break"
-    "\x8C\Bﾒﾝｦｾｯﾄｼﾃｸﾀﾞｻｲ",                 // "Please set B side"
+    "\x8C" "Bﾒﾝｦｾｯﾄｼﾃｸﾀﾞｻｲ",               // "Please set B side"
     "\x8Dｼﾞｯﾄ\x8Cｶﾞﾏﾝ\x8Dﾉ\x8Cｺ\x8Dﾃﾞｱｯﾀ", // "Be patient, now"
     "\x8Dｲﾏｼﾊﾞﾗｸｵﾏﾁｸﾀﾞｻｲ",                 // "Please wait just a minute"
     "\x8Dｱﾜﾃﾅｲｱﾜﾃﾅｲ｡ﾋﾄﾔｽﾐﾋﾄﾔｽﾐ｡",          // "Don't worry, don't worry. Take a break, take a break"