diff --git a/bsnes/Makefile b/bsnes/Makefile
index 702371d4..58051cb2 100755
--- a/bsnes/Makefile
+++ b/bsnes/Makefile
@@ -1,9 +1,12 @@
 include nall/Makefile
 snes := snes
 gameboy := gameboy
-profile := accuracy
+profile := compatibility
 ui := ui
 
+# debugger
+options :=
+
 # compiler
 c       := $(compiler) -std=gnu99
 cpp     := $(subst cc,++,$(compiler)) -std=gnu++0x
@@ -18,9 +21,11 @@ objects := libco
 # profile-guided optimization
 # flags += -fprofile-use
 
+flags := $(flags) $(foreach o,$(call strupper,$(options)),-D$o)
+
 # platform
 ifeq ($(platform),x)
-  link += -s -ldl -lX11 -lXext
+  link += -ldl -lX11 -lXext
 else ifeq ($(platform),osx)
 else ifeq ($(platform),win)
   link += -mwindows
diff --git a/bsnes/nall/string/convert.hpp b/bsnes/nall/string/convert.hpp
index ca77db85..603d2e0e 100755
--- a/bsnes/nall/string/convert.hpp
+++ b/bsnes/nall/string/convert.hpp
@@ -117,38 +117,7 @@ uintmax_t binary(const char *str) {
 }
 
 double fp(const char *str) {
-  if(!str) return 0.0;
-  bool negate = false;
-
-  //check for negation
-  if(*str == '-') {
-    negate = true;
-    str++;
-  }
-
-  intmax_t result_integral = 0;
-  while(*str) {
-    uint8_t x = *str++;
-    if(x >= '0' && x <= '9') x -= '0';
-    else if(x == '.' || x == ',') break;  //break loop and read fractional part
-    else return (double)result_integral;  //invalid value, assume no fractional part
-    result_integral = result_integral * 10 + x;
-  }
-
-  intmax_t result_fractional = 0;
-  while(*str) {
-    uint8_t x = *str++;
-    if(x >= '0' && x <= '9') x -= '0';
-    else break;  //stop at first invalid character
-    result_fractional = result_fractional * 10 + x;
-  }
-
-  //calculate fractional portion
-  double result = (double)result_fractional;
-  while((uintmax_t)result > 0) result /= 10.0;
-  result += (double)result_integral;
-
-  return !negate ? result : -result;
+  return atof(str);
 }
 
 }
diff --git a/bsnes/nall/string/platform.hpp b/bsnes/nall/string/platform.hpp
index 42c1a756..6ee5e1a9 100755
--- a/bsnes/nall/string/platform.hpp
+++ b/bsnes/nall/string/platform.hpp
@@ -8,7 +8,6 @@ string realpath(const char *name) {
   if(::realpath(name, path)) {
     string result(path);
     result.transform("\\", "/");
-    if(result.endswith("/") == false) result.append("/");
     return result;
   }
   return "";
diff --git a/bsnes/ruby/ruby.cpp b/bsnes/ruby/ruby.cpp
index 8b84c4f4..73b53c28 100755
--- a/bsnes/ruby/ruby.cpp
+++ b/bsnes/ruby/ruby.cpp
@@ -1,5 +1,4 @@
 #include <ruby/ruby.hpp>
-using namespace nall;
 
 #undef mkdir
 #undef usleep
diff --git a/bsnes/ruby/ruby.hpp b/bsnes/ruby/ruby.hpp
index 4d1b1a35..4b64f880 100755
--- a/bsnes/ruby/ruby.hpp
+++ b/bsnes/ruby/ruby.hpp
@@ -1,6 +1,6 @@
 /*
   ruby
-  version: 0.06 (2009-05-22)
+  version: 0.06a (2011-02-27)
   license: public domain
 */
 
diff --git a/bsnes/ruby/ruby_impl.cpp b/bsnes/ruby/ruby_impl.cpp
index 4b7049e2..ac517a1f 100755
--- a/bsnes/ruby/ruby_impl.cpp
+++ b/bsnes/ruby/ruby_impl.cpp
@@ -24,6 +24,8 @@
   #include <windows.h>
 #endif
 
+using namespace nall;
+
 /* Video */
 
 #define DeclareVideo(Name) \
diff --git a/bsnes/snes/memory/memory.cpp b/bsnes/snes/memory/memory.cpp
index 74fd4086..4513b472 100755
--- a/bsnes/snes/memory/memory.cpp
+++ b/bsnes/snes/memory/memory.cpp
@@ -44,12 +44,8 @@ void Bus::map(
   for(unsigned bank = bank_lo; bank <= bank_hi; bank++) {
     for(unsigned addr = addr_lo; addr <= addr_hi; addr++) {
       unsigned destaddr = (bank << 16) | addr;
-      if(mode == MapMode::Linear) {
-        destaddr = mirror(base + offset, length);
-        offset = (offset + 1) % length;
-      } else if(mode == MapMode::Shadow) {
-        destaddr = mirror(base + destaddr, length);
-      }
+      if(mode == MapMode::Linear) destaddr = mirror(base + offset++, length);
+      if(mode == MapMode::Shadow) destaddr = mirror(base + destaddr, length);
       lookup[(bank << 16) | addr] = id;
       target[(bank << 16) | addr] = destaddr;
     }
diff --git a/bsnes/snes/snes.hpp b/bsnes/snes/snes.hpp
index f49a32b7..12363d59 100755
--- a/bsnes/snes/snes.hpp
+++ b/bsnes/snes/snes.hpp
@@ -1,13 +1,11 @@
 namespace SNES {
   namespace Info {
     static const char Name[] = "bsnes";
-    static const char Version[] = "076";
+    static const char Version[] = "076.01";
     static const unsigned SerializerVersion = 18;
   }
 }
 
-//#define DEBUGGER
-
 #include <libco/libco.h>
 
 #include <nall/algorithm.hpp>
diff --git a/bsnes/ui/Makefile b/bsnes/ui/Makefile
index d5f72ebd..1cb3891e 100755
--- a/bsnes/ui/Makefile
+++ b/bsnes/ui/Makefile
@@ -1,7 +1,7 @@
 include $(snes)/Makefile
 include $(gameboy)/Makefile
 
-ui_objects := ui-main ui-general ui-settings ui-tools ui-input ui-utility ui-cartridge ui-debugger
+ui_objects := ui-main ui-general ui-settings ui-tools ui-input ui-utility ui-path ui-cartridge ui-debugger
 ui_objects += ruby phoenix
 ui_objects += $(if $(call streq,$(platform),win),resource)
 
@@ -68,6 +68,7 @@ obj/ui-tools.o: $(ui)/tools/tools.cpp $(call rwildcard,$(ui)/*.hpp) $(call rwild
 obj/ui-settings.o: $(ui)/settings/settings.cpp $(call rwildcard,$(ui)/*.hpp) $(call rwildcard,$(ui)/settings/*)
 obj/ui-input.o: $(ui)/input/input.cpp $(call rwildcard,$(ui)/*.hpp) $(call rwildcard,$(ui)/input/*)
 obj/ui-utility.o: $(ui)/utility/utility.cpp $(call rwildcard,$(ui)/*.hpp) $(call rwildcard,$(ui)/utility/*)
+obj/ui-path.o: $(ui)/path/path.cpp $(call rwildcard,$(ui)/*.hpp) $(call rwildcard,$(ui)/path/*)
 obj/ui-cartridge.o: $(ui)/cartridge/cartridge.cpp $(call rwildcard,$(ui)/*.hpp) $(call rwildcard,$(ui)/cartridge/*)
 obj/ui-debugger.o: $(ui)/debugger/debugger.cpp $(call rwildcard,$(ui)/*.hpp) $(call rwildcard,$(ui)/debugger/*)
 
diff --git a/bsnes/ui/base.hpp b/bsnes/ui/base.hpp
index a5d9745d..449c1cea 100755
--- a/bsnes/ui/base.hpp
+++ b/bsnes/ui/base.hpp
@@ -28,6 +28,7 @@ struct TopLevelWindow : Window {
 #include "tools/tools.hpp"
 #include "input/input.hpp"
 #include "utility/utility.hpp"
+#include "path/path.hpp"
 #include "cartridge/cartridge.hpp"
 
 #if defined(DEBUGGER)
diff --git a/bsnes/ui/config.cpp b/bsnes/ui/config.cpp
index 72ada91e..9909f7e7 100755
--- a/bsnes/ui/config.cpp
+++ b/bsnes/ui/config.cpp
@@ -1,12 +1,11 @@
 Configuration config;
 
 void Configuration::load() {
-  configuration::load(string(path.user, "bsnes.cfg"));
+  configuration::load(::path.home("bsnes.cfg"));
 }
 
 void Configuration::save() {
-  mkdir(path.user, 0755);
-  configuration::save(string(path.user, "bsnes.cfg"));
+  configuration::save(::path.home("bsnes.cfg"));
 }
 
 void Configuration::create() {
diff --git a/bsnes/ui/main.cpp b/bsnes/ui/main.cpp
index fd156d11..3a6c2a91 100755
--- a/bsnes/ui/main.cpp
+++ b/bsnes/ui/main.cpp
@@ -10,8 +10,8 @@ void Application::main(int argc, char **argv) {
   config.create();
   inputMapper.create();
 
-  config.path.base = realpath(argv[0]);
-  config.path.user = { userpath(), ".bsnes/" };
+  config.path.base = dir(realpath(argv[0]));
+  config.path.user = userpath();
 
   config.load();
   config.save();
@@ -57,6 +57,7 @@ void Application::main(int argc, char **argv) {
   inputSettings.create();
   advancedSettings.create();
   cheatEditor.create();
+  cheatDatabase.create();
   stateManager.create();
   #if defined(DEBUGGER)
   debugger.create();
@@ -158,19 +159,23 @@ int main(int argc, char **argv) {
 }
 
 void Application::loadGeometry() {
-  geometryConfig.load(string(config.path.user, "bsnes-geometry.cfg"));
+  geometryConfig.load(path.home("geometry.cfg"));
   foreach(window, windows) {
     lstring position;
     position.split(",", window->position);
     Geometry geom = window->geometry();
-    window->setGeometry({ (signed)integer(position[0]), (signed)integer(position[1]), geom.width, geom.height });
+    window->setGeometry({
+      (signed)integer(position[0]), (signed)integer(position[1]),
+      geom.width, geom.height
+    //(unsigned)decimal(position[2]), (unsigned)decimal(position[3])
+    });
   }
 }
 
 void Application::saveGeometry() {
   foreach(window, windows) {
     Geometry geom = window->geometry();
-    window->position = { geom.x, ",", geom.y };
+    window->position = { geom.x, ",", geom.y, ",", geom.width, ",", geom.height };
   }
-  geometryConfig.save(string(config.path.user, "bsnes-geometry.cfg"));
+  geometryConfig.save(path.home("geometry.cfg"));
 }
diff --git a/bsnes/ui/path/path.cpp b/bsnes/ui/path/path.cpp
new file mode 100755
index 00000000..d22caa53
--- /dev/null
+++ b/bsnes/ui/path/path.cpp
@@ -0,0 +1,20 @@
+#include "../base.hpp"
+Path path;
+
+string Path::home(const string &filename) {
+  string path = { config.path.base, filename };
+  if(file::exists(path)) return path;
+
+  path = config.path.user;
+  #if defined(PLATFORM_X) || defined(PLATFORM_OSX)
+  path.append(".config/");
+  mkdir(path, 0755);
+  path.append("bsnes/");
+  mkdir(path, 0755);
+  #else
+  path.append("bsnes/");
+  mkdir(path, 0755);
+  #endif
+  path.append(filename);
+  return path;
+}
diff --git a/bsnes/ui/path/path.hpp b/bsnes/ui/path/path.hpp
new file mode 100755
index 00000000..721b3222
--- /dev/null
+++ b/bsnes/ui/path/path.hpp
@@ -0,0 +1,5 @@
+struct Path {
+  string home(const string &filename);
+};
+
+extern Path path;
diff --git a/bsnes/ui/tools/cheat-database.cpp b/bsnes/ui/tools/cheat-database.cpp
new file mode 100755
index 00000000..fc5d8b5d
--- /dev/null
+++ b/bsnes/ui/tools/cheat-database.cpp
@@ -0,0 +1,93 @@
+CheatDatabase cheatDatabase;
+
+void CheatDatabase::create() {
+  application.addWindow(this, "CheatDatabase", "192,192");
+
+  listView.setCheckable(true);
+  selectAllButton.setText("Select All");
+  unselectAllButton.setText("Unselect All");
+  okButton.setText("Ok");
+
+  layout.setMargin(5);
+  layout.append(listView, 0, 0, 5);
+  controlLayout.append(selectAllButton,   100, 0, 5);
+  controlLayout.append(unselectAllButton, 100, 0);
+  controlLayout.append(spacerWidget,        0, 0);
+  controlLayout.append(okButton,           80, 0);
+  layout.append(controlLayout, 0, Style::ButtonHeight);
+  setGeometry({ 0, 0, 600, layout.minimumHeight() + 350 });
+  append(layout);
+
+  selectAllButton.onTick = [this]() {
+    foreach(item, this->listData, n) this->listView.setChecked(n, true);
+  };
+
+  unselectAllButton.onTick = [this]() {
+    foreach(item, this->listData, n) this->listView.setChecked(n, false);
+  };
+
+  okButton.onTick = { &CheatDatabase::addCodes, this };
+}
+
+void CheatDatabase::findCodes() {
+  string data;
+  data.readfile(path.home("cheats.xml"));
+  if(auto position = strpos(data, SNES::cartridge.sha256())) {
+    auto startPosition = strpos((const char*)data + position(), ">");
+    auto endPosition = strpos((const char*)data + position(), "</cartridge>");
+    string xmlData = {
+      "<cartridge>\n",
+      substr((const char*)data + position() + 1, startPosition(), endPosition() - startPosition() - 1),
+      "</cartridge>\n"
+    };
+
+    setTitle("");
+    listView.reset();
+    listData.reset();
+
+    xml_element document = xml_parse(xmlData);
+    foreach(root, document.element) {
+      if(root.name == "cartridge") foreach(node, root.element) {
+        if(node.name == "name") setTitle(node.parse());
+        else if(node.name == "cheat") {
+          string description, code;
+          foreach(element, node.element) {
+            if(element.name == "description") description = element.parse();
+            else if(element.name == "code") code.append(string(element.parse(), "+"));
+          }
+          code.rtrim<1>("+");
+          code.append("\t");
+          code.append(description);
+          listView.append(description);
+          listData.append(code);
+        }
+      }
+    }
+
+    setVisible(true);
+  } else {
+    MessageWindow::information(cheatEditor, "Sorry, no cheat codes found for this cartridge.");
+  }
+}
+
+void CheatDatabase::addCodes() {
+  foreach(code, listData, n) {
+    if(listView.checked(n)) {
+      if(auto position = cheatEditor.findUnusedSlot()) {
+        lstring part;
+        part.split("\t", code);
+        SNES::cheat[position()].enabled = false;
+        SNES::cheat[position()] = part[0];
+        cheatEditor.cheatList.setChecked(position(), false);
+        cheatEditor.cheatText[position()][CheatEditor::CheatCode] = part[0];
+        cheatEditor.cheatText[position()][CheatEditor::CheatDesc] = part[1];
+      } else {
+        MessageWindow::warning(*this, "Ran out of empty slots for cheat codes.\nNot all cheat codes were added.");
+        break;
+      }
+    }
+  }
+  setVisible(false);
+  cheatEditor.refresh();
+  cheatEditor.synchronize();
+}
diff --git a/bsnes/ui/tools/cheat-database.hpp b/bsnes/ui/tools/cheat-database.hpp
new file mode 100755
index 00000000..8e375dd5
--- /dev/null
+++ b/bsnes/ui/tools/cheat-database.hpp
@@ -0,0 +1,16 @@
+struct CheatDatabase : TopLevelWindow {
+  VerticalLayout layout;
+  ListView listView;
+  HorizontalLayout controlLayout;
+  Button selectAllButton;
+  Button unselectAllButton;
+  Widget spacerWidget;
+  Button okButton;
+  lstring listData;
+
+  void create();
+  void findCodes();
+  void addCodes();
+};
+
+extern CheatDatabase cheatDatabase;
diff --git a/bsnes/ui/tools/cheat-editor.cpp b/bsnes/ui/tools/cheat-editor.cpp
index b770cc71..9d969db5 100755
--- a/bsnes/ui/tools/cheat-editor.cpp
+++ b/bsnes/ui/tools/cheat-editor.cpp
@@ -100,7 +100,7 @@ void CheatEditor::create() {
   descLayout.append(descEdit,   0, 0);
   layout.append(descLayout, 0, Style::LineEditHeight, 5);
   controlLayout.append(findButton,    100, 0);
-  controlLayout.append(spacer,          0, 0);
+  controlLayout.append(spacerWidget,    0, 0);
   controlLayout.append(clearAllButton, 80, 0, 5);
   controlLayout.append(clearButton,    80, 0);
   layout.append(controlLayout, 0, Style::ButtonHeight);
@@ -113,46 +113,13 @@ void CheatEditor::create() {
   cheatList.onChange = { &CheatEditor::synchronize, this };
   cheatList.onTick = { &CheatEditor::toggle, this };
   codeEdit.onChange = descEdit.onChange = { &CheatEditor::bind, this };
-  findButton.onTick = { &CheatEditor::findCodes, this };
+  findButton.onTick = { &CheatDatabase::findCodes, &cheatDatabase };
   clearAllButton.onTick = { &CheatEditor::clearAll, this };
   clearButton.onTick = { &CheatEditor::clear, this };
 
   onClose = []() {
-    cheatEditor.databaseWindow.setVisible(false);
+    cheatDatabase.setVisible(false);
   };
-
-  //databaseWindow
-  application.addWindow(&databaseWindow, "CheatDatabase", "192,192");
-
-  databaseList.setCheckable(true);
-  databaseSelectAll.setText("Select All");
-  databaseUnselectAll.setText("Unselect All");
-  databaseOk.setText("Ok");
-
-  databaseLayout.setMargin(5);
-  databaseLayout.append(databaseList, 0, 0, 5);
-  databaseControlLayout.append(databaseSelectAll,   100, 0, 5);
-  databaseControlLayout.append(databaseUnselectAll, 100, 0);
-  databaseControlLayout.append(databaseSpacer,        0, 0);
-  databaseControlLayout.append(databaseOk,           80, 0);
-  databaseLayout.append(databaseControlLayout, 0, Style::ButtonHeight);
-
-  databaseWindow.setGeometry({ 0, 0, 600, layout.minimumHeight() + 250 });
-  databaseWindow.append(databaseLayout);
-
-  databaseSelectAll.onTick = []() {
-    for(unsigned i = 0; i < cheatEditor.databaseCode.size(); i++) {
-      cheatEditor.databaseList.setChecked(i, true);
-    }
-  };
-
-  databaseUnselectAll.onTick = []() {
-    for(unsigned i = 0; i < cheatEditor.databaseCode.size(); i++) {
-      cheatEditor.databaseList.setChecked(i, false);
-    }
-  };
-
-  databaseOk.onTick = { &CheatEditor::addDatabaseCodes, this };
 }
 
 void CheatEditor::synchronize() {
@@ -201,48 +168,6 @@ void CheatEditor::bind() {
   refresh();
 }
 
-void CheatEditor::findCodes() {
-  string data;
-  data.readfile(string(config.path.user, "cheats.xml"));
-  if(data == "") data.readfile(string(config.path.base, "cheats.xml"));
-  if(auto position = strpos(data, SNES::cartridge.sha256())) {
-    auto startPosition = strpos((const char*)data + position(), ">");
-    auto endPosition = strpos((const char*)data + position(), "</cartridge>");
-    string xmlData = {
-      "<cartridge>\n",
-      substr((const char*)data + position() + 1, startPosition(), endPosition() - startPosition() - 1),
-      "</cartridge>\n"
-    };
-
-    databaseWindow.setTitle("");
-    databaseList.reset();
-    databaseCode.reset();
-
-    xml_element document = xml_parse(xmlData);
-    foreach(root, document.element) {
-      if(root.name == "cartridge") foreach(node, root.element) {
-        if(node.name == "name") databaseWindow.setTitle(node.parse());
-        else if(node.name == "cheat") {
-          string description, code;
-          foreach(element, node.element) {
-            if(element.name == "description") description = element.parse();
-            else if(element.name == "code") code.append(string(element.parse(), "+"));
-          }
-          code.rtrim<1>("+");
-          code.append("\t");
-          code.append(description);
-          databaseList.append(description);
-          databaseCode.append(code);
-        }
-      }
-    }
-
-    databaseWindow.setVisible(true);
-  } else {
-    MessageWindow::information(cheatEditor, "Sorry, no cheat codes found for this cartridge.");
-  }
-}
-
 optional<unsigned> CheatEditor::findUnusedSlot() {
   for(unsigned i = 0; i < 128; i++) {
     if(cheatText[i][CheatCode] == "" && cheatText[i][CheatDesc] == "") return { true, i };
@@ -250,28 +175,6 @@ optional<unsigned> CheatEditor::findUnusedSlot() {
   return { false, 0 };
 }
 
-void CheatEditor::addDatabaseCodes() {
-  for(unsigned n = 0; n < databaseCode.size(); n++) {
-    if(databaseList.checked(n)) {
-      if(auto position = findUnusedSlot()) {
-        lstring part;
-        part.split("\t", databaseCode[n]);
-        SNES::cheat[position()].enabled = false;
-        SNES::cheat[position()] = part[0];
-        cheatList.setChecked(position(), false);
-        cheatText[position()][CheatCode] = part[0];
-        cheatText[position()][CheatDesc] = part[1];
-      } else {
-        MessageWindow::warning(databaseWindow, "Ran out of empty slots for cheat codes.\nNot all cheat codes were added.");
-        break;
-      }
-    }
-  }
-  databaseWindow.setVisible(false);
-  refresh();
-  synchronize();
-}
-
 void CheatEditor::clearAll() {
   if(MessageWindow::question(cheatEditor, "Permanently erase all entered cheat codes?", MessageWindow::Buttons::YesNo) == MessageWindow::Response::Yes) {
     for(unsigned i = 0; i < 128; i++) {
diff --git a/bsnes/ui/tools/cheat-editor.hpp b/bsnes/ui/tools/cheat-editor.hpp
index e6088ac4..cc55076c 100755
--- a/bsnes/ui/tools/cheat-editor.hpp
+++ b/bsnes/ui/tools/cheat-editor.hpp
@@ -8,21 +8,11 @@ struct CheatEditor : TopLevelWindow {
   Label descLabel;
   LineEdit descEdit;
   HorizontalLayout controlLayout;
-  Label spacer;
+  Widget spacerWidget;
   Button findButton;
   Button clearAllButton;
   Button clearButton;
 
-  TopLevelWindow databaseWindow;
-  VerticalLayout databaseLayout;
-  ListView databaseList;
-  HorizontalLayout databaseControlLayout;
-  Button databaseSelectAll;
-  Button databaseUnselectAll;
-  Label databaseSpacer;
-  Button databaseOk;
-  lstring databaseCode;
-
   void load(string filename);
   void save(string filename);
   void create();
@@ -34,11 +24,11 @@ private:
   void refresh();
   void toggle(unsigned row);
   void bind();
-  void findCodes();
   optional<unsigned> findUnusedSlot();
-  void addDatabaseCodes();
   void clearAll();
   void clear();
+
+  friend class CheatDatabase;
 };
 
 extern CheatEditor cheatEditor;
diff --git a/bsnes/ui/tools/tools.cpp b/bsnes/ui/tools/tools.cpp
index 5ec3021d..2c1bec6f 100755
--- a/bsnes/ui/tools/tools.cpp
+++ b/bsnes/ui/tools/tools.cpp
@@ -1,3 +1,4 @@
 #include "../base.hpp"
 #include "cheat-editor.cpp"
+#include "cheat-database.cpp"
 #include "state-manager.cpp"
diff --git a/bsnes/ui/tools/tools.hpp b/bsnes/ui/tools/tools.hpp
index e7834f88..4b15a869 100755
--- a/bsnes/ui/tools/tools.hpp
+++ b/bsnes/ui/tools/tools.hpp
@@ -1,2 +1,3 @@
 #include "cheat-editor.hpp"
+#include "cheat-database.hpp"
 #include "state-manager.hpp"