diff --git a/configure.py b/configure.py
index 22aeff6dee2..2385429416a 100755
--- a/configure.py
+++ b/configure.py
@@ -995,7 +995,7 @@ config.libs = [
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01", "ShieldD"), "JSystem/JAudio2/JAUBankTable.cpp"),
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JAudio2/JAUClusterSound.cpp"),
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JAudio2/JAUInitializer.cpp"),
-            Object(Equivalent, "JSystem/JAudio2/JAUSectionHeap.cpp"),
+            Object(Equivalent, "JSystem/JAudio2/JAUSectionHeap.cpp"), #weak function order
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JAudio2/JAUSeqCollection.cpp"),
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JAudio2/JAUSeqDataBlockMgr.cpp"),
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JAudio2/JAUSoundAnimator.cpp"),
@@ -1090,7 +1090,7 @@ config.libs = [
         [
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JSupport/JSUList.cpp"),
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JSupport/JSUInputStream.cpp"),
-            Object(NonMatching, "JSystem/JSupport/JSUOutputStream.cpp"),
+            Object(MatchingFor("Shield", "ShieldD"), "JSystem/JSupport/JSUOutputStream.cpp"),
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JSupport/JSUMemoryStream.cpp"),
             Object(MatchingFor("GZ2E01", "GZ2P01", "GZ2J01"), "JSystem/JSupport/JSUFileStream.cpp"),
         ],
diff --git a/include/JSystem/JSupport/JSUOutputStream.h b/include/JSystem/JSupport/JSUOutputStream.h
index 43d9d37ef05..b44ec084b05 100644
--- a/include/JSystem/JSupport/JSUOutputStream.h
+++ b/include/JSystem/JSupport/JSUOutputStream.h
@@ -12,7 +12,7 @@ public:
     JSUOutputStream() {}
     virtual ~JSUOutputStream();
 
-    virtual s32 skip(s32, s8) = 0;
+    virtual s32 skip(s32, s8);
 	virtual s32 writeData(const void*, s32) = 0;
 
     s32 write(const void*, s32);
diff --git a/include/JSystem/JSupport/JSURandomOutputStream.h b/include/JSystem/JSupport/JSURandomOutputStream.h
index 1b2648fabbf..d87a2995c5f 100644
--- a/include/JSystem/JSupport/JSURandomOutputStream.h
+++ b/include/JSystem/JSupport/JSURandomOutputStream.h
@@ -12,7 +12,6 @@ public:
     JSURandomOutputStream() {}
     virtual ~JSURandomOutputStream() {}
 
-    /* vt[3] */ virtual s32 skip(s32, s8);
     /* vt[4] */ virtual s32 writeData(const void*, s32) = 0;
     /* vt[5] */ virtual s32 getLength() const = 0;
     /* vt[6] */ virtual s32 getPosition() const = 0;
diff --git a/src/JSystem/JAudio2/JAUSectionHeap.cpp b/src/JSystem/JAudio2/JAUSectionHeap.cpp
index 3323a5839df..3cf6c7f2041 100644
--- a/src/JSystem/JAudio2/JAUSectionHeap.cpp
+++ b/src/JSystem/JAudio2/JAUSectionHeap.cpp
@@ -67,6 +67,14 @@ namespace {
     };
 }
 
+namespace {
+    bool JKRSolidHeap_isEmpty(JKRSolidHeap* pHeap) {
+        u32 beforeSize = pHeap->getFreeSize();
+        pHeap->freeAll();
+        return pHeap->getFreeSize() - beforeSize == 0;
+    }
+}
+
 /* 802A4EE8-802A4F68 29F828 0080+00 1/1 0/0 0/0 .text __ct__Q210JAUSection12TSectionDataFv */
 JAUSection::TSectionData::TSectionData() {
     resetRegisteredWaveBankTables();
@@ -119,8 +127,8 @@ void JAUSection::finishBuild() {
 
 /* 802A5160-802A51E4 29FAA0 0084+00 2/0 0/0 0/0 .text            dispose__10JAUSectionFv */
 void JAUSection::dispose() {
-    /* JUT_ASSERT(267, ! data_.registeredBankTables.any());
-    JUT_ASSERT(268, ! data_.registeredWaveBankTables.any()); */
+    JUT_ASSERT(267, ! data_.registeredBankTables.any());
+    JUT_ASSERT(268, ! data_.registeredWaveBankTables.any());
     if (data_.mBstDst) {
         sectionHeap_->sectionHeapData_.soundTable->~JAUSoundTable();
         sectionHeap_->sectionHeapData_.soundTable = NULL;
@@ -362,7 +370,6 @@ JASBank* JAUSection::newBank(void const* param_0, u32 param_1) {
 }
 
 /* 802A5B84-802A5CAC 2A04C4 0128+00 0/0 1/1 0/0 .text            newVoiceBank__10JAUSectionFUlUl */
-// NONMATCHING regalloc
 JASVoiceBank* JAUSection::newVoiceBank(u32 bank_no, u32 param_1) {
     {
         JUT_ASSERT(685, isOpen());
@@ -371,7 +378,6 @@ JASVoiceBank* JAUSection::newVoiceBank(u32 bank_no, u32 param_1) {
         JUT_ASSERT(688, waveBank != NULL);
         TPushCurrentHeap push(getHeap_()); 
         JASBank* voiceBank = new JASVoiceBank();
-        JASVoiceBank* voiceBank2 = (JASVoiceBank*)voiceBank;
         if (voiceBank) {
             if (buildingBankTable_) {
                 JUT_ASSERT(696, buildingBankTable_->getBank( bank_no ) == 0);
@@ -381,8 +387,8 @@ JASVoiceBank* JAUSection::newVoiceBank(u32 bank_no, u32 param_1) {
                 JASDefaultBankTable::getInstance()->registBank(bank_no, voiceBank);
                 data_.registeredBankTables.set(bank_no, true);
             }
-            voiceBank2->assignWaveBank(waveBank);
-            return voiceBank2;
+            voiceBank->assignWaveBank(waveBank);
+            return (JASVoiceBank*)voiceBank;
         }
     }
     return NULL;
@@ -453,11 +459,6 @@ void JAUSectionHeap::releaseIdleDynamicSeqDataBlock() {
     sectionHeapData_.seqDataBlocks.releaseIdleDynamicSeqDataBlock(sectionHeapData_.seqDataUser);
 }
 
-namespace {
-    // TODO
-    bool JKRSolidHeap_isEmpty(JKRSolidHeap*) { return 1; }
-}
-
 /* 802A5F24-802A5F9C 2A0864 0078+00 1/1 0/0 0/0 .text JAUNewSectionHeap__FP12JKRSolidHeapb */
 static JAUSectionHeap* JAUNewSectionHeap(JKRSolidHeap* heap, bool param_1) {
     JUT_ASSERT(809, JKRSolidHeap_isEmpty( heap ));
diff --git a/src/PowerPC_EABI_Support/MSL/MSL_C++/MSL_Common/Include/bitset.h b/src/PowerPC_EABI_Support/MSL/MSL_C++/MSL_Common/Include/bitset.h
index 4417a93b6c0..749acdcbf95 100644
--- a/src/PowerPC_EABI_Support/MSL/MSL_C++/MSL_Common/Include/bitset.h
+++ b/src/PowerPC_EABI_Support/MSL/MSL_C++/MSL_Common/Include/bitset.h
@@ -29,7 +29,7 @@ public:
     __bitset_base() { data = 0; }
 
     bool test(size_t pos) const { return data & (1 << pos); }
-    bool any() const;
+    bool any() const { return data != 0; }
     void set(size_t pos, bool val) { data |= (1 << pos); }
     void reset(size_t pos) { data &= ~(1 << pos); }
 private:
@@ -62,6 +62,15 @@ template<size_t N> void __bitset_base<N>::reset(size_t pos) {
     data[i] &= ~mask;
 }
 
+template<size_t N> bool __bitset_base<N>::any() const {
+    for (int i = 0; i < N; i++) {
+        if (data[i] != 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
 template<size_t N> class bitset : private __bitset_base<(N - 1) / (sizeof(size_t) * 8) + 1> {
 public:
     typedef __bitset_base<(N - 1) / (sizeof(size_t) * 8) + 1> base;
@@ -86,7 +95,9 @@ public:
         }
         return base::test(pos);
     }
-    bool any() const;
+    bool any() const {
+        return base::any();
+    }
 };
 }  // namespace std