diff --git a/Assets/dll/bsnes.wbx.gz b/Assets/dll/bsnes.wbx.gz
index cf02e454ef..9fc7feb00c 100644
Binary files a/Assets/dll/bsnes.wbx.gz and b/Assets/dll/bsnes.wbx.gz differ
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/BSNES/BsnesApi.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/BSNES/BsnesApi.cs
index 4764a9e4f6..6ed3d30313 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/BSNES/BsnesApi.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/BSNES/BsnesApi.cs
@@ -115,10 +115,10 @@ namespace BizHawk.Emulation.Cores.Nintendo.BSNES
 			{
 				Filename = "bsnes.wbx",
 				Path = dllPath,
-				SbrkHeapSizeKB = 14 * 1024,
-				InvisibleHeapSizeKB = 4,
-				MmapHeapSizeKB = 110 * 1024, // TODO: check whether this needs to be larger; it depends on the rom size
-				PlainHeapSizeKB = 0,
+				SbrkHeapSizeKB = 12 * 1024,
+				InvisibleHeapSizeKB = 136 * 1024, // TODO: Roms get saved here and in mmap, consider consolidating?
+				MmapHeapSizeKB = 33 * 1024, // TODO: check whether this needs to be larger; it depends on the rom size
+				PlainHeapSizeKB = 1 * 1024,
 				SealedHeapSizeKB = 0,
 				SkipCoreConsistencyCheck = comm.CorePreferences.HasFlag(CoreComm.CorePreferencesFlags.WaterboxCoreConsistencyCheck),
 				SkipMemoryConsistencyCheck = comm.CorePreferences.HasFlag(CoreComm.CorePreferencesFlags.WaterboxMemoryConsistencyCheck),
diff --git a/waterbox/bsnescore/bsnes/sfc/memory/memory.cpp b/waterbox/bsnescore/bsnes/sfc/memory/memory.cpp
index 4b76009681..144e0d6566 100644
--- a/waterbox/bsnescore/bsnes/sfc/memory/memory.cpp
+++ b/waterbox/bsnescore/bsnes/sfc/memory/memory.cpp
@@ -6,8 +6,9 @@ bool Memory::GlobalWriteEnable = false;
 Bus bus;
 
 Bus::~Bus() {
-  if(lookup) delete[] lookup;
-  if(target) delete[] target;
+  //if(lookup) delete[] lookup;
+  //if(target) delete[] target;
+  abort();
 }
 
 auto Bus::reset() -> void {
@@ -17,11 +18,14 @@ auto Bus::reset() -> void {
     counter[id] = 0;
   }
 
-  if(lookup) delete[] lookup;
-  if(target) delete[] target;
+  //if(lookup) delete[] lookup;
+  //if(target) delete[] target;
 
-  lookup = new uint8 [16 * 1024 * 1024]();
-  target = new uint32[16 * 1024 * 1024]();
+  //lookup = new uint8 [16 * 1024 * 1024]();
+  //target = new uint32[16 * 1024 * 1024]();
+
+  if (!lookup) lookup = alloc_invisible<uint8> (16 * 1024 * 1024);
+  if (!target) target = alloc_invisible<uint32>(16 * 1024 * 1024);
 
   reader[0] = [](uint, uint8 data) -> uint8 { return data; };
   writer[0] = [](uint, uint8) -> void {};
diff --git a/waterbox/bsnescore/bsnes/sfc/memory/protectable.hpp b/waterbox/bsnescore/bsnes/sfc/memory/protectable.hpp
index a6f8a5b384..c2afc9fb2e 100644
--- a/waterbox/bsnescore/bsnes/sfc/memory/protectable.hpp
+++ b/waterbox/bsnescore/bsnes/sfc/memory/protectable.hpp
@@ -1,14 +1,18 @@
 struct ProtectableMemory : Memory {
   inline auto reset() -> void override {
-    delete[] self.data;
-    self.data = nullptr;
-    self.size = 0;
+    //delete[] self.data;
+    //self.data = nullptr;
+    //self.size = 0;
   }
 
   inline auto allocate(uint size, uint8 fill = 0xff) -> void override {
+    if (!self.data) {
+        self.data = alloc_plain<uint8>(self.size = size);
+    }
     if(self.size != size) {
-      delete[] self.data;
-      self.data = new uint8[self.size = size];
+      //delete[] self.data;
+      //self.data = new uint8[self.size = size];
+      abort();
     }
     for(uint address : range(size)) {
       self.data[address] = fill;
diff --git a/waterbox/bsnescore/bsnes/sfc/memory/readable.hpp b/waterbox/bsnescore/bsnes/sfc/memory/readable.hpp
index fcaf14b334..ad1a83b7a6 100644
--- a/waterbox/bsnescore/bsnes/sfc/memory/readable.hpp
+++ b/waterbox/bsnescore/bsnes/sfc/memory/readable.hpp
@@ -1,14 +1,18 @@
 struct ReadableMemory : Memory {
   inline auto reset() -> void override {
-    delete[] self.data;
-    self.data = nullptr;
-    self.size = 0;
+    //delete[] self.data;
+    //self.data = nullptr;
+    //self.size = 0;
   }
 
   inline auto allocate(uint size, uint8 fill = 0xff) -> void override {
+    if (!self.data) {
+        self.data = alloc_invisible<uint8>(self.size = size);
+    }
     if(self.size != size) {
-      delete[] self.data;
-      self.data = new uint8[self.size = size];
+      //delete[] self.data;
+      //self.data = new uint8[self.size = size];
+      abort();
     }
     for(uint address : range(size)) {
       self.data[address] = fill;
diff --git a/waterbox/bsnescore/bsnes/sfc/memory/writable.hpp b/waterbox/bsnescore/bsnes/sfc/memory/writable.hpp
index 7d51303fc5..f68cff0e2e 100644
--- a/waterbox/bsnescore/bsnes/sfc/memory/writable.hpp
+++ b/waterbox/bsnescore/bsnes/sfc/memory/writable.hpp
@@ -1,14 +1,18 @@
 struct WritableMemory : Memory {
   inline auto reset() -> void override {
-    delete[] self.data;
-    self.data = nullptr;
-    self.size = 0;
+    //delete[] self.data;
+    //self.data = nullptr;
+    //self.size = 0;
   }
 
   inline auto allocate(uint size, uint8 fill = 0xff) -> void override {
+    if (!self.data) {
+        self.data = alloc_plain<uint8>(self.size = size);
+    }
     if(self.size != size) {
-      delete[] self.data;
-      self.data = new uint8[self.size = size];
+      //delete[] self.data;
+      //self.data = new uint8[self.size = size];
+      abort();
     }
     for(uint address : range(size)) {
       self.data[address] = fill;
diff --git a/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.cpp b/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.cpp
index 53d1212d78..18f84d2702 100644
--- a/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.cpp
+++ b/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.cpp
@@ -34,10 +34,12 @@ auto PPU::noVRAMBlocking() const -> bool { return configuration.hacks.ppu.noVRAM
 #define ppu ppufast
 
 PPU::PPU() {
-  output = new uint16_t[2304 * 2160]();
+  //output = new uint16_t[2304 * 2160]();
+  output = alloc_invisible<uint16_t>(2304 * 2160);
 
   for(uint l : range(16)) {
-    lightTable[l] = new uint16_t[32768];
+    //lightTable[l] = new uint16_t[32768];
+    lightTable[l] = alloc_invisible<uint16_t>(32768);
     for(uint r : range(32)) {
       for(uint g : range(32)) {
         for(uint b : range(32)) {
@@ -51,14 +53,17 @@ PPU::PPU() {
     }
   }
 
+  lines = alloc_invisible<Line>(240);
+
   for(uint y : range(240)) {
     lines[y].y = y;
   }
 }
 
 PPU::~PPU() {
-  delete[] output;
-  for(uint l : range(16)) delete[] lightTable[l];
+  //delete[] output;
+  //for(uint l : range(16)) delete[] lightTable[l];
+  abort();
 }
 
 auto PPU::synchronizeCPU() -> void {
diff --git a/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.hpp b/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.hpp
index 3a076083cc..b4857ebb75 100644
--- a/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.hpp
+++ b/waterbox/bsnescore/bsnes/sfc/ppu-fast/ppu.hpp
@@ -351,7 +351,8 @@ public:
   };
 
 //unserialized:
-  Line lines[240];
+  //Line lines[240];
+  Line* lines;
 
   //used to help detect when the video output size changes between frames to clear overscan area.
   struct Frame {
diff --git a/waterbox/bsnescore/bsnes/sfc/sfc.hpp b/waterbox/bsnescore/bsnes/sfc/sfc.hpp
index eae1eb5407..51b9d218e5 100644
--- a/waterbox/bsnescore/bsnes/sfc/sfc.hpp
+++ b/waterbox/bsnescore/bsnes/sfc/sfc.hpp
@@ -3,6 +3,8 @@
 //license: GPLv3
 //started: 2004-10-14
 
+#include <emulibc.h>
+
 #include <emulator/emulator.hpp>
 #include <emulator/random.hpp>
 #include <emulator/cheat.hpp>