diff --git a/configure.py b/configure.py
index 31888c80..4e3075ed 100755
--- a/configure.py
+++ b/configure.py
@@ -921,8 +921,8 @@ LIBS = [
         "lib": "musyx",
 
         ### MusyX 1.5.3 (debug)
-        # "mw_version": "1.2.5",
-        # "cflags": "-proc gecko -fp hard -nodefaults -nosyspath -i include -i libc -g -sym on -D_DEBUG=1 -enum int -DMUSY_VERSION_MAJOR=1 -DMUSY_VERSION_MINOR=5 -DMUSY_VERSION_PATCH=3",
+        #"mw_version": "1.2.5",
+        #"cflags": "-proc gecko -fp hard -nodefaults -nosyspath -i include -i libc -g -sym on -D_DEBUG=1 -enum int -DMUSY_VERSION_MAJOR=1 -DMUSY_VERSION_MINOR=5 -DMUSY_VERSION_PATCH=3",
 
         ### MusyX 2.0.3 (debug)
         # "mw_version": "1.3.2",
diff --git a/src/musyx/runtime/snd3d.c b/src/musyx/runtime/snd3d.c
index 2019b6f3..f1912f6e 100644
--- a/src/musyx/runtime/snd3d.c
+++ b/src/musyx/runtime/snd3d.c
@@ -1,15 +1,16 @@
 #include "musyx/musyx_priv.h"
 #include "musyx/synth.h"
 
-u8 s3dCallCnt;
-SND_DOOR* s3dDoorRoot;
-SND_EMITTER* s3dEmitterRoot;
-SND_LISTENER* s3dListenerRoot;
-SND_ROOM* s3dRoomRoot;
-u8 s3dUseMaxVoices;
-u8 snd_base_studio;
-u8 snd_max_studios;
-u32 snd_used_studios;
+static u8 s3dCallCnt;
+static SND_EMITTER* s3dEmitterRoot;
+static SND_LISTENER* s3dListenerRoot;
+static SND_ROOM* s3dRoomRoot;
+static SND_DOOR* s3dDoorRoot;
+static u32 snd_used_studios;
+static u8 snd_base_studio;
+static u8 snd_max_studios;
+static u8 s3dUseMaxVoices;
+
 
 static void UpdateRoomDistances() {
   SND_ROOM* r;      // r30
@@ -840,14 +841,32 @@ void sndSetup3DStudios(unsigned char first, unsigned char num) {
   snd_max_studios = num;
 }
 
-void sndGet3DParameters(SND_3DINFO* info, SND_FVECTOR* pos, SND_FVECTOR* dir, float maxDis,
-                        float comp, unsigned char maxVol, unsigned char minVol,
-                        struct SND_ROOM* room) {
+void sndGet3DParameters(SND_3DINFO* info, SND_FVECTOR* pos, SND_FVECTOR* dir, f32 maxDis, f32 comp,
+                        u8 maxVol, u8 minVol, SND_ROOM* room) {
   float xPan;  // r1+0x34
   float yPan;  // r1+0x30
   float zPan;  // r1+0x2C
   float cvol;  // r1+0x28
   float pitch; // r1+0x24
+  static SND_EMITTER em;
+  hwDisableIrq();
+
+  em.flags = 8;
+  em.pos = *pos;
+  em.dir = *dir;
+  em.maxDis = maxDis;
+  em.maxVol = maxVol / 127.f;
+  em.minVol = minVol / 127.f;
+  em.volPush = comp;
+  em.room = room;
+  
+  CalcEmitter(&em, &cvol, &pitch, &xPan, &yPan, &zPan);
+  info->vol = clip127(cvol * 127.f);
+  info->pan = clip127((xPan + 1.f) * 64.f);
+  info->span = clip127((1.f - zPan) * 64.f);
+  info->doppler = clip3FFF(pitch * 8192.f);
+  
+  hwEnableIrq();
 }
 
 void s3dInit(u32 flags) {
diff --git a/src/musyx/runtime/snd_midictrl.c b/src/musyx/runtime/snd_midictrl.c
index dcc350a0..db84ffee 100644
--- a/src/musyx/runtime/snd_midictrl.c
+++ b/src/musyx/runtime/snd_midictrl.c
@@ -387,7 +387,6 @@ u8 inpGetMidiLastNote(u8 midi, u8 midiSet) {
   return fx_lastNote[midi];
 }
 
-#pragma dont_inline on
 static u16 _GetInputValue(SYNTH_VOICE* svoice, CTRL_DEST* inp, u8 midi, u8 midiSet) {
   u32 i;     // r26
   u32 value; // r29
@@ -447,8 +446,6 @@ static u16 _GetInputValue(SYNTH_VOICE* svoice, CTRL_DEST* inp, u8 midi, u8 midiS
   return value;
 }
 
-#pragma dont_inline reset
-
 static u16 GetInputValue(SYNTH_VOICE* svoice, CTRL_DEST* inp, u32 dirtyMask) {
 
   if (!(svoice->midiDirtyFlags & dirtyMask)) {
@@ -501,13 +498,12 @@ u16 inpGetTremolo(SYNTH_VOICE* svoice) {
   return GetInputValue(svoice, &svoice->inpTremolo, 0x1000);
 }
 
-u16 inpGetAuxB(u8 studio, u8 index, u8 midi, u8 midiSet) {
+u16 inpGetAuxA(u8 studio, u8 index, u8 midi, u8 midiSet) {
   static u32 dirtyMask[4] = {0x80000001, 0x80000002, 0x80000004, 0x80000008};
-
   return GetGlobalInputValue(&inpAuxA[studio][index], dirtyMask[index], midi, midiSet);
 }
 
-u16 inpGetAuxA(u8 studio, u8 index, u8 midi, u8 midiSet) {
+u16 inpGetAuxB(u8 studio, u8 index, u8 midi, u8 midiSet) {
   static u32 dirtyMask[4] = {0x80000010, 0x80000020, 0x80000040, 0x80000080};
 
   return GetGlobalInputValue(&inpAuxB[studio][index], dirtyMask[index], midi, midiSet);