54 files changed, 463 insertions, 160 deletions

diff --git a/src/citra/citra.cpp b/src/citra/citra.cpp
index f6a52758b..69f0b35b3 100644
--- a/src/citra/citra.cpp
+++ b/src/citra/citra.cpp
@@ -51,6 +51,8 @@ int __cdecl main(int argc, char **argv) {
         Core::RunLoop();
     }
 
+    System::Shutdown();
+
     delete emu_window;
 
     return 0;
diff --git a/src/citra/default_ini.h b/src/citra/default_ini.h
index f41020f7b..ebe2e9767 100644
--- a/src/citra/default_ini.h
+++ b/src/citra/default_ini.h
@@ -27,7 +27,7 @@ pad_sleft =
 pad_sright =
 
 [Core]
-cpu_core = ## 0: Interpreter (default), 1: FastInterpreter (experimental)
+cpu_core = ## 0: Interpreter (default), 1: OldInterpreter (may work better, soon to be deprecated)
 gpu_refresh_rate = ## 30 (default)
 frame_skip = ## 0: No frameskip (default), 1 : 2x frameskip, 2 : 4x frameskip, etc.
 
diff --git a/src/citra_qt/bootmanager.cpp b/src/citra_qt/bootmanager.cpp
index 6d08d6afc..e753ea108 100644
--- a/src/citra_qt/bootmanager.cpp
+++ b/src/citra_qt/bootmanager.cpp
@@ -13,6 +13,7 @@
 
 #include "core/core.h"
 #include "core/settings.h"
+#include "core/system.h"
 
 #include "video_core/debug_utils/debug_utils.h"
 
@@ -89,6 +90,8 @@ void EmuThread::Stop()
         }
     }
     LOG_INFO(Frontend, "EmuThread stopped");
+
+    System::Shutdown();
 }
 
 
diff --git a/src/citra_qt/bootmanager.hxx b/src/citra_qt/bootmanager.hxx
index 5f69f15ea..1c893384c 100644
--- a/src/citra_qt/bootmanager.hxx
+++ b/src/citra_qt/bootmanager.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <atomic>
 
 #include <QThread>
diff --git a/src/citra_qt/config/controller_config.cpp b/src/citra_qt/config/controller_config.cpp
index 52dfb627c..41000e29b 100644
--- a/src/citra_qt/config/controller_config.cpp
+++ b/src/citra_qt/config/controller_config.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QDialogButtonBox>
 
 #include "controller_config.hxx"
diff --git a/src/citra_qt/config/controller_config.hxx b/src/citra_qt/config/controller_config.hxx
index 0e423ee50..451593de1 100644
--- a/src/citra_qt/config/controller_config.hxx
+++ b/src/citra_qt/config/controller_config.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifndef _CONTROLLER_CONFIG_HXX_
 #define _CONTROLLER_CONFIG_HXX_
 
diff --git a/src/citra_qt/config/controller_config_util.cpp b/src/citra_qt/config/controller_config_util.cpp
index aee3f8616..272e8d41e 100644
--- a/src/citra_qt/config/controller_config_util.cpp
+++ b/src/citra_qt/config/controller_config_util.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QPushButton>
 #include <QStyle>
 #include <QGridLayout>
diff --git a/src/citra_qt/config/controller_config_util.hxx b/src/citra_qt/config/controller_config_util.hxx
index af38f126c..15e025b57 100644
--- a/src/citra_qt/config/controller_config_util.hxx
+++ b/src/citra_qt/config/controller_config_util.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifndef _CONTROLLER_CONFIG_UTIL_HXX_
 #define _CONTROLLER_CONFIG_UTIL_HXX_
 
diff --git a/src/citra_qt/debugger/callstack.cpp b/src/citra_qt/debugger/callstack.cpp
index 16c6113be..4a47ad468 100644
--- a/src/citra_qt/debugger/callstack.cpp
+++ b/src/citra_qt/debugger/callstack.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QStandardItemModel>
 
 #include "callstack.hxx"
diff --git a/src/citra_qt/debugger/callstack.hxx b/src/citra_qt/debugger/callstack.hxx
index 680a73b6d..4f4f74823 100644
--- a/src/citra_qt/debugger/callstack.hxx
+++ b/src/citra_qt/debugger/callstack.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QDockWidget>
 #include "ui_callstack.h"
 
diff --git a/src/citra_qt/debugger/disassembler.cpp b/src/citra_qt/debugger/disassembler.cpp
index 14745f3bb..636a0f187 100644
--- a/src/citra_qt/debugger/disassembler.cpp
+++ b/src/citra_qt/debugger/disassembler.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include "disassembler.hxx"
 
 #include "../bootmanager.hxx"
diff --git a/src/citra_qt/debugger/disassembler.hxx b/src/citra_qt/debugger/disassembler.hxx
index a842da956..6d3cef108 100644
--- a/src/citra_qt/debugger/disassembler.hxx
+++ b/src/citra_qt/debugger/disassembler.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QAbstractItemModel>
 #include <QDockWidget>
 #include "ui_disassembler.h"
diff --git a/src/citra_qt/debugger/graphics_cmdlists.cpp b/src/citra_qt/debugger/graphics_cmdlists.cpp
index 753cc25da..708b805a7 100644
--- a/src/citra_qt/debugger/graphics_cmdlists.cpp
+++ b/src/citra_qt/debugger/graphics_cmdlists.cpp
@@ -229,7 +229,7 @@ void GPUCommandListModel::OnPicaTraceFinished(const Pica::DebugUtils::PicaTrace&
      cmd_id < PICA_REG_INDEX(reg_name) + sizeof(decltype(Pica::registers.reg_name)) / 4)
 
 void GPUCommandListWidget::OnCommandDoubleClicked(const QModelIndex& index) {
-    const int command_id = list_widget->model()->data(index, GPUCommandListModel::CommandIdRole).toInt();
+    const unsigned int command_id = list_widget->model()->data(index, GPUCommandListModel::CommandIdRole).toUInt();
     if (COMMAND_IN_RANGE(command_id, texture0) ||
         COMMAND_IN_RANGE(command_id, texture1) ||
         COMMAND_IN_RANGE(command_id, texture2)) {
@@ -255,7 +255,7 @@ void GPUCommandListWidget::OnCommandDoubleClicked(const QModelIndex& index) {
 void GPUCommandListWidget::SetCommandInfo(const QModelIndex& index) {
     QWidget* new_info_widget;
 
-    const int command_id = list_widget->model()->data(index, GPUCommandListModel::CommandIdRole).toInt();
+    const unsigned int command_id = list_widget->model()->data(index, GPUCommandListModel::CommandIdRole).toUInt();
     if (COMMAND_IN_RANGE(command_id, texture0) ||
         COMMAND_IN_RANGE(command_id, texture1) ||
         COMMAND_IN_RANGE(command_id, texture2)) {
diff --git a/src/citra_qt/debugger/graphics_framebuffer.cpp b/src/citra_qt/debugger/graphics_framebuffer.cpp
index a9e9de652..7ef699f37 100644
--- a/src/citra_qt/debugger/graphics_framebuffer.cpp
+++ b/src/citra_qt/debugger/graphics_framebuffer.cpp
@@ -158,7 +158,7 @@ void GraphicsFramebufferWidget::OnFramebufferAddressChanged(qint64 new_value)
     }
 }
 
-void GraphicsFramebufferWidget::OnFramebufferWidthChanged(int new_value)
+void GraphicsFramebufferWidget::OnFramebufferWidthChanged(unsigned int new_value)
 {
     if (framebuffer_width != new_value) {
         framebuffer_width = new_value;
@@ -168,7 +168,7 @@ void GraphicsFramebufferWidget::OnFramebufferWidthChanged(int new_value)
     }
 }
 
-void GraphicsFramebufferWidget::OnFramebufferHeightChanged(int new_value)
+void GraphicsFramebufferWidget::OnFramebufferHeightChanged(unsigned int new_value)
 {
     if (framebuffer_height != new_value) {
         framebuffer_height = new_value;
@@ -227,8 +227,8 @@ void GraphicsFramebufferWidget::OnUpdate()
     {
         QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
         u32* color_buffer = (u32*)Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
-        for (unsigned y = 0; y < framebuffer_height; ++y) {
-            for (unsigned x = 0; x < framebuffer_width; ++x) {
+        for (unsigned int y = 0; y < framebuffer_height; ++y) {
+            for (unsigned int x = 0; x < framebuffer_width; ++x) {
                 u32 value = *(color_buffer + x + y * framebuffer_width);
 
                 decoded_image.setPixel(x, y, qRgba((value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF, 255/*value >> 24*/));
@@ -242,8 +242,8 @@ void GraphicsFramebufferWidget::OnUpdate()
     {
         QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
         u8* color_buffer = Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
-        for (unsigned y = 0; y < framebuffer_height; ++y) {
-            for (unsigned x = 0; x < framebuffer_width; ++x) {
+        for (unsigned int y = 0; y < framebuffer_height; ++y) {
+            for (unsigned int x = 0; x < framebuffer_width; ++x) {
                 u8* pixel_pointer = color_buffer + x * 3 + y * 3 * framebuffer_width;
 
                 decoded_image.setPixel(x, y, qRgba(pixel_pointer[0], pixel_pointer[1], pixel_pointer[2], 255/*value >> 24*/));
@@ -257,8 +257,8 @@ void GraphicsFramebufferWidget::OnUpdate()
     {
         QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
         u32* color_buffer = (u32*)Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
-        for (unsigned y = 0; y < framebuffer_height; ++y) {
-            for (unsigned x = 0; x < framebuffer_width; ++x) {
+        for (unsigned int y = 0; y < framebuffer_height; ++y) {
+            for (unsigned int x = 0; x < framebuffer_width; ++x) {
                 u16 value = *(u16*)(((u8*)color_buffer) + x * 2 + y * framebuffer_width * 2);
                 u8 r = Color::Convert5To8((value >> 11) & 0x1F);
                 u8 g = Color::Convert5To8((value >> 6) & 0x1F);
diff --git a/src/citra_qt/debugger/graphics_framebuffer.hxx b/src/citra_qt/debugger/graphics_framebuffer.hxx
index 56215761e..02813525c 100644
--- a/src/citra_qt/debugger/graphics_framebuffer.hxx
+++ b/src/citra_qt/debugger/graphics_framebuffer.hxx
@@ -62,8 +62,8 @@ public:
 public slots:
     void OnFramebufferSourceChanged(int new_value);
     void OnFramebufferAddressChanged(qint64 new_value);
-    void OnFramebufferWidthChanged(int new_value);
-    void OnFramebufferHeightChanged(int new_value);
+    void OnFramebufferWidthChanged(unsigned int new_value);
+    void OnFramebufferHeightChanged(unsigned int new_value);
     void OnFramebufferFormatChanged(int new_value);
     void OnUpdate();
 
diff --git a/src/citra_qt/debugger/ramview.cpp b/src/citra_qt/debugger/ramview.cpp
index 3f899b95e..d3ff69a61 100644
--- a/src/citra_qt/debugger/ramview.cpp
+++ b/src/citra_qt/debugger/ramview.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include "ramview.hxx"
 
 #include "common/common.h"
diff --git a/src/citra_qt/debugger/ramview.hxx b/src/citra_qt/debugger/ramview.hxx
index 1db1546aa..18423036f 100644
--- a/src/citra_qt/debugger/ramview.hxx
+++ b/src/citra_qt/debugger/ramview.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include "qhexedit.h"
 
 class GRamView : public QHexEdit
diff --git a/src/citra_qt/debugger/registers.cpp b/src/citra_qt/debugger/registers.cpp
index ed17ee4b4..f798495b2 100644
--- a/src/citra_qt/debugger/registers.cpp
+++ b/src/citra_qt/debugger/registers.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include "registers.hxx"
 
 #include "core/core.h"
diff --git a/src/citra_qt/debugger/registers.hxx b/src/citra_qt/debugger/registers.hxx
index 4cca957ce..ac8429f2b 100644
--- a/src/citra_qt/debugger/registers.hxx
+++ b/src/citra_qt/debugger/registers.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include "ui_registers.h"
 
 #include <QDockWidget>
diff --git a/src/citra_qt/hotkeys.cpp b/src/citra_qt/hotkeys.cpp
index 5d0b52e4f..08be7ff74 100644
--- a/src/citra_qt/hotkeys.cpp
+++ b/src/citra_qt/hotkeys.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QKeySequence>
 #include <QSettings>
 #include "hotkeys.hxx"
diff --git a/src/citra_qt/hotkeys.hxx b/src/citra_qt/hotkeys.hxx
index 66ef7bb4e..75c7cc625 100644
--- a/src/citra_qt/hotkeys.hxx
+++ b/src/citra_qt/hotkeys.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QShortcut>
 #include <QDialog>
 #include "ui_hotkeys.h"
diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp
index 5864f1f9d..64e389f25 100644
--- a/src/citra_qt/main.cpp
+++ b/src/citra_qt/main.cpp
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <thread>
 
 #include <QtGui>
@@ -175,7 +179,7 @@ void GMainWindow::BootGame(std::string filename)
 
 void GMainWindow::OnMenuLoadFile()
 {
-    QString filename = QFileDialog::getOpenFileName(this, tr("Load File"), QString(), tr("3DS executable (*.3dsx *.elf *.axf *.bin *.cci *.cxi)"));
+    QString filename = QFileDialog::getOpenFileName(this, tr("Load File"), QString(), tr("3DS executable (*.3ds *.3dsx *.elf *.axf *.bin *.cci *.cxi)"));
     if (filename.size())
        BootGame(filename.toLatin1().data());
 }
diff --git a/src/citra_qt/main.hxx b/src/citra_qt/main.hxx
index b1b40df46..72df17c50 100644
--- a/src/citra_qt/main.hxx
+++ b/src/citra_qt/main.hxx
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifndef _CITRA_QT_MAIN_HXX_
 #define _CITRA_QT_MAIN_HXX_
 
diff --git a/src/citra_qt/version.h b/src/citra_qt/version.h
index 07022de5c..9d5a2b1a2 100644
--- a/src/citra_qt/version.h
+++ b/src/citra_qt/version.h
@@ -1,3 +1,7 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 // TODO: Supposed to be generated...
 // GENERATED - Do not edit!
 #ifndef VERSION_H_
diff --git a/src/common/common_types.h b/src/common/common_types.h
index c74c74f0f..94e1406b1 100644
--- a/src/common/common_types.h
+++ b/src/common/common_types.h
@@ -26,7 +26,7 @@
 
 #include <cmath>
 #include <cstdint>
-#include <xmmintrin.h> // data_types__m128.cpp
+#include <cstdlib>
 
 typedef std::uint8_t  u8;  ///< 8-bit unsigned byte
 typedef std::uint16_t u16; ///< 16-bit unsigned short
@@ -67,16 +67,6 @@ union t64 {
     u8  _u8[8];             ///< 8-bit unsigned char(s)
 };
 
-/// Union for fast 128-bit type casting
-union t128 {
-    struct
-    {
-        t64 ps0;            ///< 64-bit paired single 0
-        t64 ps1;            ///< 64-bit paired single 1
-    };
-    __m128  a;              ///< 128-bit floating point (__m128 maps to the XMM[0-7] registers)
-};
-
 namespace Common {
 /// Rectangle data structure
 class Rect {
@@ -94,8 +84,8 @@ public:
     int x1_;    ///< Rect bottom left X-coordinate
     int y1_;    ///< Rect bottom right Y-coordinate
 
-    inline u32 width() const { return abs(x1_ - x0_); }
-    inline u32 height() const { return abs(y1_ - y0_); }
+    inline u32 width() const { return std::abs(x1_ - x0_); }
+    inline u32 height() const { return std::abs(y1_ - y0_); }
 
     inline bool operator == (const Rect& val) const {
         return (x0_ == val.x0_ && y0_ == val.y0_ && x1_ == val.x1_ && y1_ == val.y1_);
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index addcb953c..b67226d8d 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -66,6 +66,7 @@ set(SRCS
             hle/service/soc_u.cpp
             hle/service/srv.cpp
             hle/service/ssl_c.cpp
+            hle/service/y2r_u.cpp
             hle/config_mem.cpp
             hle/hle.cpp
             hle/svc.cpp
@@ -157,6 +158,7 @@ set(HEADERS
             hle/service/soc_u.h
             hle/service/srv.h
             hle/service/ssl_c.h
+            hle/service/y2r_u.h
             hle/config_mem.h
             hle/result.h
             hle/function_wrappers.h
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index ba23ef383..9b291862c 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -1083,7 +1083,7 @@ typedef struct _cdp_inst {
     unsigned int cp_num;
     unsigned int opcode_2;
     unsigned int CRm;
-    uint32 inst;
+    unsigned int inst;
 }cdp_inst;
 
 typedef struct _uxtb_inst {
@@ -1423,15 +1423,19 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(bx)(unsigned int inst, int index)
     arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(bx_inst));
     bx_inst *inst_cream = (bx_inst *)inst_base->component;
 
-    inst_base->cond  = BITS(inst, 28, 31);
-    inst_base->idx     = index;
-    inst_base->br     = INDIRECT_BRANCH;
+    inst_base->cond = BITS(inst, 28, 31);
+    inst_base->idx  = index;
+    inst_base->br   = INDIRECT_BRANCH;
 
-    inst_cream->Rm     = BITS(inst, 0, 3);
+    inst_cream->Rm  = BITS(inst, 0, 3);
 
     return inst_base;
 }
-ARM_INST_PTR INTERPRETER_TRANSLATE(bxj)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("BXJ"); }
+ARM_INST_PTR INTERPRETER_TRANSLATE(bxj)(unsigned int inst, int index)
+{
+    return INTERPRETER_TRANSLATE(bx)(inst, index);
+}
+
 ARM_INST_PTR INTERPRETER_TRANSLATE(cdp)(unsigned int inst, int index){
     arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(cdp_inst));
     cdp_inst *inst_cream = (cdp_inst *)inst_base->component;
@@ -2057,7 +2061,37 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(pld)(unsigned int inst, int index)
 
     return inst_base;
 }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qadd)(unsigned int inst, int index)     { UNIMPLEMENTED_INSTRUCTION("QADD"); }
+
+ARM_INST_PTR INTERPRETER_TRANSLATE(qadd)(unsigned int inst, int index)
+{
+    arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst));
+    generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component;
+
+    inst_base->cond     = BITS(inst, 28, 31);
+    inst_base->idx      = index;
+    inst_base->br       = NON_BRANCH;
+    inst_base->load_r15 = 0;
+
+    inst_cream->op1 = BITS(inst, 21, 22);
+    inst_cream->Rm  = BITS(inst, 0, 3);
+    inst_cream->Rn  = BITS(inst, 16, 19);
+    inst_cream->Rd  = BITS(inst, 12, 15);
+
+    return inst_base;
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(qdadd)(unsigned int inst, int index)
+{
+    return INTERPRETER_TRANSLATE(qadd)(inst, index);
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(qdsub)(unsigned int inst, int index)
+{
+    return INTERPRETER_TRANSLATE(qadd)(inst, index);
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(qsub)(unsigned int inst, int index)
+{
+    return INTERPRETER_TRANSLATE(qadd)(inst, index);
+}
+
 ARM_INST_PTR INTERPRETER_TRANSLATE(qadd8)(unsigned int inst, int index)
 {
     arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst));
@@ -2084,9 +2118,6 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(qaddsubx)(unsigned int inst, int index)
 {
     return INTERPRETER_TRANSLATE(qadd8)(inst, index);
 }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qdadd)(unsigned int inst, int index)    { UNIMPLEMENTED_INSTRUCTION("QDADD"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qdsub)(unsigned int inst, int index)    { UNIMPLEMENTED_INSTRUCTION("QDSUB"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qsub)(unsigned int inst, int index)     { UNIMPLEMENTED_INSTRUCTION("QSUB"); }
 ARM_INST_PTR INTERPRETER_TRANSLATE(qsub8)(unsigned int inst, int index)
 {
     return INTERPRETER_TRANSLATE(qadd8)(inst, index);
@@ -2373,7 +2404,25 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(smlal)(unsigned int inst, int index)
 }
 
 ARM_INST_PTR INTERPRETER_TRANSLATE(smlalxy)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("SMLALXY"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(smlaw)(unsigned int inst, int index)   { UNIMPLEMENTED_INSTRUCTION("SMLAW"); }
+
+ARM_INST_PTR INTERPRETER_TRANSLATE(smlaw)(unsigned int inst, int index)
+{
+    arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(smlad_inst));
+    smlad_inst* const inst_cream = (smlad_inst*)inst_base->component;
+
+    inst_base->cond     = BITS(inst, 28, 31);
+    inst_base->idx      = index;
+    inst_base->br       = NON_BRANCH;
+    inst_base->load_r15 = 0;
+
+    inst_cream->Ra = BITS(inst, 12, 15);
+    inst_cream->Rm = BITS(inst, 8, 11);
+    inst_cream->Rn = BITS(inst, 0, 3);
+    inst_cream->Rd = BITS(inst, 16, 19);
+    inst_cream->m  = BIT(inst, 6);
+
+    return inst_base;
+}
 
 ARM_INST_PTR INTERPRETER_TRANSLATE(smlald)(unsigned int inst, int index)
 {
@@ -3444,7 +3493,7 @@ static tdstate decode_thumb_instr(arm_processor *cpu, uint32_t inst, addr_t addr
     tdstate ret = thumb_translate (addr, inst, arm_inst, inst_size);
     if(ret == t_branch){
         // TODO: FIXME, endian should be judged
-        uint32 tinstr;
+        u32 tinstr;
         if((addr & 0x3) != 0)
             tinstr = inst >> 16;
         else
@@ -3457,7 +3506,7 @@ static tdstate decode_thumb_instr(arm_processor *cpu, uint32_t inst, addr_t addr
         case 26:
         case 27:
             if (((tinstr & 0x0F00) != 0x0E00) && ((tinstr & 0x0F00) != 0x0F00)){
-                uint32 cond = (tinstr & 0x0F00) >> 8;
+                u32 cond = (tinstr & 0x0F00) >> 8;
                 inst_index = table_length - 4;
                 *ptr_inst_base = arm_instruction_trans[inst_index](tinstr, inst_index);
             } else {
@@ -4088,22 +4137,35 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
         INC_PC(sizeof(blx_inst));
         goto DISPATCH;
     }
+
     BX_INST:
+    BXJ_INST:
     {
-        bx_inst *inst_cream = (bx_inst *)inst_base->component;
-        if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
+        // Note that only the 'fail' case of BXJ is emulated. This is because
+        // the facilities for Jazelle emulation are not implemented.
+        //
+        // According to the ARM documentation on BXJ, if setting the J bit in the APSR
+        // fails, then BXJ functions identically like a regular BX instruction.
+                //
+                // This is sufficient for citra, as the CPU for the 3DS does not implement Jazelle.
+
+        if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
+            bx_inst* const inst_cream = (bx_inst*)inst_base->component;
+
             if (inst_cream->Rm == 15)
                 LOG_WARNING(Core_ARM11, "BX at pc %x: use of Rm = R15 is discouraged", cpu->Reg[15]);
+
             cpu->TFlag = cpu->Reg[inst_cream->Rm] & 0x1;
             cpu->Reg[15] = cpu->Reg[inst_cream->Rm] & 0xfffffffe;
             INC_PC(sizeof(bx_inst));
             goto DISPATCH;
         }
+
         cpu->Reg[15] += GET_INST_SIZE(cpu);
         INC_PC(sizeof(bx_inst));
         goto DISPATCH;
     }
-    BXJ_INST:
+
     CDP_INST:
     {
         cdp_inst *inst_cream = (cdp_inst *)inst_base->component;
@@ -5027,6 +5089,78 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
     }
 
     QADD_INST:
+    QDADD_INST:
+    QDSUB_INST:
+    QSUB_INST:
+    {
+        if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
+            generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component;
+            const u8 op1 = inst_cream->op1;
+            const u32 rm_val = RM;
+            const u32 rn_val = RN;
+
+            u32 result = 0;
+
+            // QADD
+            if (op1 == 0x00) {
+                result = rm_val + rn_val;
+
+                if (AddOverflow(rm_val, rn_val, result)) {
+                    result = POS(result) ? 0x80000000 : 0x7FFFFFFF;
+                    cpu->Cpsr |= (1 << 27);
+                }
+            }
+            // QSUB
+            else if (op1 == 0x01) {
+                result = rm_val - rn_val;
+
+                if (SubOverflow(rm_val, rn_val, result)) {
+                    result = POS(result) ? 0x80000000 : 0x7FFFFFFF;
+                    cpu->Cpsr |= (1 << 27);
+                }
+            }
+            // QDADD
+            else if (op1 == 0x02) {
+                u32 mul = (rn_val * 2);
+
+                if (AddOverflow(rn_val, rn_val, rn_val * 2)) {
+                    mul = POS(mul) ? 0x80000000 : 0x7FFFFFFF;
+                    cpu->Cpsr |= (1 << 27);
+                }
+
+                result = mul + rm_val;
+
+                if (AddOverflow(rm_val, mul, result)) {
+                    result = POS(result) ? 0x80000000 : 0x7FFFFFFF;
+                    cpu->Cpsr |= (1 << 27);
+                }
+            }
+            // QDSUB
+            else if (op1 == 0x03) {
+                u32 mul = (rn_val * 2);
+
+                if (AddOverflow(rn_val, rn_val, mul)) {
+                    mul = POS(mul) ? 0x80000000 : 0x7FFFFFFF;
+                    cpu->Cpsr |= (1 << 27);
+                }
+
+                result = rm_val - mul;
+
+                if (SubOverflow(rm_val, mul, result)) {
+                    result = POS(result) ? 0x80000000 : 0x7FFFFFFF;
+                    cpu->Cpsr |= (1 << 27);
+                }
+            }
+
+            RD = result;
+        }
+
+        cpu->Reg[15] += GET_INST_SIZE(cpu);
+        INC_PC(sizeof(generic_arm_inst));
+        FETCH_INST;
+        GOTO_NEXT_INST;
+    }
+
     QADD8_INST:
     QADD16_INST:
     QADDSUBX_INST:
@@ -5089,10 +5223,6 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
         GOTO_NEXT_INST;
     }
 
-    QDADD_INST:
-    QDSUB_INST:
-    QSUB_INST:
-
     REV_INST:
     REV16_INST:
     REVSH_INST:
@@ -5461,7 +5591,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
                 operand2 = (BIT(RS, 31)) ? (BITS(RS, 16, 31) | 0xffff0000) : BITS(RS, 16, 31);
             RD = operand1 * operand2 + RN;
 
-            // TODO: FIXME: UPDATE Q FLAGS
+            if (AddOverflow(operand1 * operand2, RN, RD))
+                cpu->Cpsr |= (1 << 27);
         }
         cpu->Reg[15] += GET_INST_SIZE(cpu);
         INC_PC(sizeof(smla_inst));
@@ -5555,7 +5686,31 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
     }
 
     SMLALXY_INST:
+
     SMLAW_INST:
+    {
+        if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
+            smlad_inst* const inst_cream = (smlad_inst*)inst_base->component;
+
+            const u32 rm_val = RM;
+            const u32 rn_val = RN;
+            const u32 ra_val = cpu->Reg[inst_cream->Ra];
+            const bool high = (inst_cream->m == 1);
+
+            const s16 operand2 = (high) ? ((rm_val >> 16) & 0xFFFF) : (rm_val & 0xFFFF);
+            const s64 result = (s64)(s32)rn_val * (s64)(s32)operand2 + ((s64)(s32)ra_val << 16);
+
+            RD = (result & (0xFFFFFFFFFFFFFFFFLL >> 15)) >> 16;
+
+            if ((result >> 16) != (s32)RD)
+                cpu->Cpsr |= (1 << 27);
+        }
+
+        cpu->Reg[15] += GET_INST_SIZE(cpu);
+        INC_PC(sizeof(smlad_inst));
+        FETCH_INST;
+        GOTO_NEXT_INST;
+    }
 
     SMLALD_INST:
     SMLSLD_INST:
@@ -6585,7 +6740,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
     BLX_1_THUMB:
     {
         // BLX 1 for armv5t and above
-        uint32 tmp = cpu->Reg[15];
+        u32 tmp = cpu->Reg[15];
         blx_1_thumb *inst_cream = (blx_1_thumb *)inst_base->component;
         cpu->Reg[15] = (cpu->Reg[14] + inst_cream->imm) & 0xFFFFFFFC;
         cpu->Reg[14] = ((tmp + 2) | 1);
diff --git a/src/core/arm/dyncom/arm_dyncom_run.h b/src/core/arm/dyncom/arm_dyncom_run.h
index aeabeac16..c70522274 100644
--- a/src/core/arm/dyncom/arm_dyncom_run.h
+++ b/src/core/arm/dyncom/arm_dyncom_run.h
@@ -24,8 +24,8 @@
 void switch_mode(arm_core_t *core, uint32_t mode);
 
 /* FIXME, we temporarily think thumb instruction is always 16 bit */
-static inline uint32 GET_INST_SIZE(arm_core_t* core){
-        return core->TFlag? 2 : 4;
+static inline u32 GET_INST_SIZE(arm_core_t* core) {
+    return core->TFlag? 2 : 4;
 }
 
 /**
@@ -36,8 +36,8 @@ static inline uint32 GET_INST_SIZE(arm_core_t* core){
 *
 * @return 
 */
-static inline addr_t CHECK_READ_REG15_WA(arm_core_t* core, int Rn){
-        return (Rn == 15)? ((core->Reg[15] & ~0x3) + GET_INST_SIZE(core) * 2) : core->Reg[Rn];
+static inline addr_t CHECK_READ_REG15_WA(arm_core_t* core, int Rn) {
+    return (Rn == 15)? ((core->Reg[15] & ~0x3) + GET_INST_SIZE(core) * 2) : core->Reg[Rn];
 }
 
 /**
@@ -48,8 +48,8 @@ static inline addr_t CHECK_READ_REG15_WA(arm_core_t* core, int Rn){
 *
 * @return 
 */
-static inline uint32 CHECK_READ_REG15(arm_core_t* core, int Rn){
-        return (Rn == 15)? ((core->Reg[15] & ~0x1) + GET_INST_SIZE(core) * 2) : core->Reg[Rn];
+static inline u32 CHECK_READ_REG15(arm_core_t* core, int Rn) {
+    return (Rn == 15)? ((core->Reg[15] & ~0x1) + GET_INST_SIZE(core) * 2) : core->Reg[Rn];
 }
 
 #endif
diff --git a/src/core/arm/dyncom/arm_dyncom_thumb.h b/src/core/arm/dyncom/arm_dyncom_thumb.h
index 5541de9d1..bf69b2fd4 100644
--- a/src/core/arm/dyncom/arm_dyncom_thumb.h
+++ b/src/core/arm/dyncom/arm_dyncom_thumb.h
@@ -37,10 +37,10 @@ enum tdstate {
     t_uninitialized,
 };
 
-tdstate
-thumb_translate(addr_t addr, uint32_t instr, uint32_t* ainstr, uint32_t* inst_size);
-static inline uint32 get_thumb_instr(uint32 instr, addr_t pc){
-    uint32 tinstr;
+tdstate thumb_translate(addr_t addr, u32 instr, u32* ainstr, u32* inst_size);
+
+static inline u32 get_thumb_instr(u32 instr, addr_t pc) {
+    u32 tinstr;
     if ((pc & 0x3) != 0)
         tinstr = instr >> 16;
     else
diff --git a/src/core/arm/interpreter/armsupp.cpp b/src/core/arm/interpreter/armsupp.cpp
index eec34143e..68ac2a0ce 100644
--- a/src/core/arm/interpreter/armsupp.cpp
+++ b/src/core/arm/interpreter/armsupp.cpp
@@ -418,22 +418,18 @@ ARMul_NegZero (ARMul_State * state, ARMword result)
     }
 }
 
-/* Compute whether an addition of A and B, giving RESULT, overflowed.  */
-
-int
-AddOverflow (ARMword a, ARMword b, ARMword result)
+// Compute whether an addition of A and B, giving RESULT, overflowed.
+bool AddOverflow(ARMword a, ARMword b, ARMword result)
 {
-    return ((NEG (a) && NEG (b) && POS (result))
-            || (POS (a) && POS (b) && NEG (result)));
+    return ((NEG(a) && NEG(b) && POS(result)) ||
+            (POS(a) && POS(b) && NEG(result)));
 }
 
-/* Compute whether a subtraction of A and B, giving RESULT, overflowed.  */
-
-int
-SubOverflow (ARMword a, ARMword b, ARMword result)
+// Compute whether a subtraction of A and B, giving RESULT, overflowed.
+bool SubOverflow(ARMword a, ARMword b, ARMword result)
 {
-    return ((NEG (a) && POS (b) && POS (result))
-            || (POS (a) && NEG (b) && NEG (result)));
+    return ((NEG(a) && POS(b) && POS(result)) ||
+            (POS(a) && NEG(b) && NEG(result)));
 }
 
 /* Assigns the C flag after an addition of a and b to give result.  */
diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h
index 4592c5808..1b2cef451 100644
--- a/src/core/arm/skyeye_common/armdefs.h
+++ b/src/core/arm/skyeye_common/armdefs.h
@@ -70,6 +70,9 @@
 #define DATACACHE  1
 #define INSTCACHE  2
 
+#define POS(i) ( (~(i)) >> 31 )
+#define NEG(i) ( (i) >> 31 )
+
 #ifndef __STDC__
 typedef char *VoidStar;
 #endif
@@ -783,6 +786,8 @@ RUn %x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x\n",\
 //#define PXA250      0x69052903
 // 0x69052903;  //PXA250 B1 from intel 278522-001.pdf
 
+extern bool AddOverflow(ARMword, ARMword, ARMword);
+extern bool SubOverflow(ARMword, ARMword, ARMword);
 
 extern void ARMul_UndefInstr(ARMul_State*, ARMword);
 extern void ARMul_FixCPSR(ARMul_State*, ARMword, ARMword);
diff --git a/src/core/arm/skyeye_common/armemu.h b/src/core/arm/skyeye_common/armemu.h
index e1b286f0f..1dfcc635a 100644
--- a/src/core/arm/skyeye_common/armemu.h
+++ b/src/core/arm/skyeye_common/armemu.h
@@ -42,9 +42,6 @@
 #define R15FBIT (1L << 26)
 #define R15IFBITS (3L << 26)
 
-#define POS(i) ( (~(i)) >> 31 )
-#define NEG(i) ( (i) >> 31 )
-
 #ifdef MODET                    /* Thumb support.  */
 /* ??? This bit is actually in the low order bit of the PC in the hardware.
    It isn't clear if the simulator needs to model that or not.  */
@@ -561,8 +558,7 @@ tdstate;
 
 /* Prototypes for exported functions.  */
 extern unsigned ARMul_NthReg (ARMword, unsigned);
-extern int AddOverflow (ARMword, ARMword, ARMword);
-extern int SubOverflow (ARMword, ARMword, ARMword);
+
 /* Prototypes for exported functions.  */
 #ifdef __cplusplus
  extern "C" {
diff --git a/src/core/arm/skyeye_common/skyeye_types.h b/src/core/arm/skyeye_common/skyeye_types.h
index e7f022f19..fc7d8d922 100644
--- a/src/core/arm/skyeye_common/skyeye_types.h
+++ b/src/core/arm/skyeye_common/skyeye_types.h
@@ -22,34 +22,10 @@
  * 12/16/2006   Michael.Kang  <blackfin.kang@gmail.com>
  */
 
-#ifndef __SKYEYE_TYPES_H
-#define __SKYEYE_TYPES_H
+#pragma once
 
-#include <stdint.h>
-
-/*default machine word length */
-
-#ifndef __BEOS__
-/* To avoid the type conflict with the qemu */
-#ifndef QEMU
-typedef uint8_t uint8;
-typedef uint16_t uint16;
-typedef uint32_t uint32;
-typedef uint64_t uint64;
-
-typedef int8_t sint8;
-typedef int16_t sint16;
-typedef int32_t sint32;
-typedef int64_t sint64;
-#endif
+#include <cstdint>
 
 typedef uint32_t address_t;
-typedef uint32_t uinteger_t;
-typedef int32_t integer_t;
-
 typedef uint32_t physical_address_t;
-typedef uint32_t generic_address_t; 
-
-#endif
-
-#endif
+typedef uint32_t generic_address_t;
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 22213d647..8ac4481cc 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -53,10 +53,10 @@ int Init() {
     g_sys_core = new ARM_Interpreter();
 
     switch (Settings::values.cpu_core) {
-        case CPU_FastInterpreter:
+        case CPU_Interpreter:
             g_app_core = new ARM_DynCom();
             break;
-        case CPU_Interpreter:
+        case CPU_OldInterpreter:
         default:
             g_app_core = new ARM_Interpreter();
             break;
diff --git a/src/core/core.h b/src/core/core.h
index 05dbe0ae5..ecd58a73a 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -13,7 +13,7 @@ namespace Core {
 
 enum CPUCore {
     CPU_Interpreter,
-    CPU_FastInterpreter
+    CPU_OldInterpreter,
 };
 
 extern ARM_Interface*   g_app_core;     ///< ARM11 application core
diff --git a/src/core/file_sys/disk_archive.cpp b/src/core/file_sys/disk_archive.cpp
index 0197f727d..c6e033fcd 100644
--- a/src/core/file_sys/disk_archive.cpp
+++ b/src/core/file_sys/disk_archive.cpp
@@ -6,6 +6,7 @@
 
 #include "common/common_types.h"
 #include "common/file_util.h"
+#include "common/make_unique.h"
 
 #include "core/file_sys/disk_archive.h"
 #include "core/settings.h"
@@ -17,10 +18,10 @@ namespace FileSys {
 
 std::unique_ptr<FileBackend> DiskArchive::OpenFile(const Path& path, const Mode mode) const {
     LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
-    DiskFile* file = new DiskFile(this, path, mode);
+    auto file = Common::make_unique<DiskFile>(this, path, mode);
     if (!file->Open())
         return nullptr;
-    return std::unique_ptr<FileBackend>(file);
+    return std::move(file);
 }
 
 bool DiskArchive::DeleteFile(const Path& path) const {
@@ -66,10 +67,10 @@ bool DiskArchive::RenameDirectory(const Path& src_path, const Path& dest_path) c
 
 std::unique_ptr<DirectoryBackend> DiskArchive::OpenDirectory(const Path& path) const {
     LOG_DEBUG(Service_FS, "called path=%s", path.DebugStr().c_str());
-    DiskDirectory* directory = new DiskDirectory(this, path);
+    auto directory = Common::make_unique<DiskDirectory>(this, path);
     if (!directory->Open())
         return nullptr;
-    return std::unique_ptr<DirectoryBackend>(directory);
+    return std::move(directory);
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -100,7 +101,7 @@ bool DiskFile::Open() {
     // Open the file in binary mode, to avoid problems with CR/LF on Windows systems
     mode_string += "b";
 
-    file = new FileUtil::IOFile(path, mode_string.c_str());
+    file = Common::make_unique<FileUtil::IOFile>(path, mode_string.c_str());
     return true;
 }
 
diff --git a/src/core/file_sys/disk_archive.h b/src/core/file_sys/disk_archive.h
index f18d96f5a..3472f6874 100644
--- a/src/core/file_sys/disk_archive.h
+++ b/src/core/file_sys/disk_archive.h
@@ -56,10 +56,6 @@ public:
     DiskFile();
     DiskFile(const DiskArchive* archive, const Path& path, const Mode mode);
 
-    ~DiskFile() override {
-        Close();
-    }
-
     bool Open() override;
     size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
     size_t Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const override;
@@ -75,7 +71,7 @@ protected:
     const DiskArchive* archive;
     std::string path;
     Mode mode;
-    FileUtil::IOFile* file;
+    std::unique_ptr<FileUtil::IOFile> file;
 };
 
 class DiskDirectory : public DirectoryBackend {
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index 38705e3cd..736bbc36a 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -51,6 +51,17 @@ ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s3
             HLE::Reschedule(__func__);
         }
         break;
+    
+    case ArbitrationType::DecrementAndWaitIfLessThan:
+    {
+        s32 memory_value = Memory::Read32(address) - 1;
+        Memory::Write32(address, memory_value);
+        if (memory_value <= value) {
+            Kernel::WaitCurrentThread(WAITTYPE_ARB, handle, address);
+            HLE::Reschedule(__func__);
+        }
+        break;
+    }
 
     default:
         LOG_ERROR(Kernel, "unknown type=%d", type);
diff --git a/src/core/hle/kernel/mutex.cpp b/src/core/hle/kernel/mutex.cpp
index 558068c79..3dfeffc9b 100644
--- a/src/core/hle/kernel/mutex.cpp
+++ b/src/core/hle/kernel/mutex.cpp
@@ -168,9 +168,9 @@ Handle CreateMutex(bool initial_locked, const std::string& name) {
 ResultVal<bool> Mutex::WaitSynchronization() {
     bool wait = locked;
     if (locked) {
+        waiting_threads.push_back(GetCurrentThreadHandle());
         Kernel::WaitCurrentThread(WAITTYPE_MUTEX, GetHandle());
-    }
-    else {
+    } else {
         // Lock the mutex when the first thread accesses it
         locked = true;
         MutexAcquireLock(this);
diff --git a/src/core/hle/service/apt_a.cpp b/src/core/hle/service/apt_a.cpp
index 4b0f761d9..37be4b027 100644
--- a/src/core/hle/service/apt_a.cpp
+++ b/src/core/hle/service/apt_a.cpp
@@ -25,12 +25,12 @@ const Interface::FunctionInfo FunctionTable[] = {
     {0x00040040, nullptr,                   "Finalize?"},
     {0x00050040, nullptr,                   "GetAppletManInfo?"},
     {0x00060040, nullptr,                   "GetAppletInfo?"},
+    {0x000D0080, APT_U::ReceiveParameter,   "ReceiveParameter?"},
+    {0x000E0080, APT_U::GlanceParameter,    "GlanceParameter?"},
     {0x003B0040, nullptr,                   "CancelLibraryApplet?"},
     {0x00430040, nullptr,                   "NotifyToWait?"},
     {0x004B00C2, nullptr,                   "AppletUtility?"},
     {0x00550040, nullptr,                   "WriteInputToNsState?"},
-    {0x000D0080, APT_U::ReceiveParameter,   "ReceiveParameter" },
-    {0x000E0080, APT_U::GlanceParameter,    "GlanceParameter" },
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/hle/service/cfg/cfg_u.cpp b/src/core/hle/service/cfg/cfg_u.cpp
index 03c01cf90..835620909 100644
--- a/src/core/hle/service/cfg/cfg_u.cpp
+++ b/src/core/hle/service/cfg/cfg_u.cpp
@@ -172,12 +172,12 @@ static void GetModelNintendo2DS(Service::Interface* self) {
 const Interface::FunctionInfo FunctionTable[] = {
     {0x00010082, GetConfigInfoBlk2,     "GetConfigInfoBlk2"},
     {0x00020000, nullptr,               "SecureInfoGetRegion"},
-    {0x00030000, nullptr,               "GenHashConsoleUnique"},
+    {0x00030040, nullptr,               "GenHashConsoleUnique"},
     {0x00040000, nullptr,               "GetRegionCanadaUSA"},
     {0x00050000, GetSystemModel,        "GetSystemModel"},
     {0x00060000, GetModelNintendo2DS,   "GetModelNintendo2DS"},
-    {0x00070040, nullptr,               "unknown"},
-    {0x00080080, nullptr,               "unknown"},
+    {0x00070040, nullptr,               "WriteToFirstByteCfgSavegame"},
+    {0x00080080, nullptr,               "GoThroughTable"},
     {0x00090040, GetCountryCodeString,  "GetCountryCodeString"},
     {0x000A0040, GetCountryCodeID,      "GetCountryCodeID"},
 };
diff --git a/src/core/hle/service/csnd_snd.cpp b/src/core/hle/service/csnd_snd.cpp
index aef8cfbca..3a557efe1 100644
--- a/src/core/hle/service/csnd_snd.cpp
+++ b/src/core/hle/service/csnd_snd.cpp
@@ -14,16 +14,15 @@ namespace CSND_SND {
 const Interface::FunctionInfo FunctionTable[] = {
     {0x00010140, nullptr,               "Initialize"},
     {0x00020000, nullptr,               "Shutdown"},
-    {0x00030040, nullptr,               "Unknown"},
-    {0x00040080, nullptr,               "Unknown"},
-    {0x00050000, nullptr,               "Unknown"},
-    {0x00060000, nullptr,               "Unknown"},
-    {0x00070000, nullptr,               "Unknown"},
-    {0x00080040, nullptr,               "Unknown"},
+    {0x00030040, nullptr,               "ExecuteType0Commands"},
+    {0x00040080, nullptr,               "ExecuteType1Commands"},
+    {0x00050000, nullptr,               "AcquireSoundChannels"},
+    {0x00060000, nullptr,               "ReleaseSoundChannels"},
+    {0x00070000, nullptr,               "AcquireCaptureDevice"},
+    {0x00080040, nullptr,               "ReleaseCaptureDevice"},
     {0x00090082, nullptr,               "FlushDCache"},
     {0x000A0082, nullptr,               "StoreDCache"},
     {0x000B0082, nullptr,               "InvalidateDCache"},
-    {0x000C0000, nullptr,               "Unknown"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/hle/service/dsp_dsp.cpp b/src/core/hle/service/dsp_dsp.cpp
index 2cf4d118f..d4affdfbf 100644
--- a/src/core/hle/service/dsp_dsp.cpp
+++ b/src/core/hle/service/dsp_dsp.cpp
@@ -12,9 +12,23 @@
 
 namespace DSP_DSP {
 
-static u32 read_pipe_count;
-static Handle semaphore_event;
-static Handle interrupt_event;
+static u32 read_pipe_count    = 0;
+static Handle semaphore_event = 0;
+static Handle interrupt_event = 0;
+
+void SignalInterrupt() {
+    // TODO(bunnei): This is just a stub, it does not do anything other than signal to the emulated
+    // application that a DSP interrupt occurred, without specifying which one. Since we do not
+    // emulate the DSP yet (and how it works is largely unknown), this is a work around to get games
+    // that check the DSP interrupt signal event to run. We should figure out the different types of
+    // DSP interrupts, and trigger them at the appropriate times.
+
+    if (interrupt_event == 0) {
+        LOG_WARNING(Service_DSP, "cannot signal interrupt until DSP event has been created!");
+        return;
+    }
+    Kernel::SignalEvent(interrupt_event);
+}
 
 /**
  * DSP_DSP::ConvertProcessAddressFromDspDram service function
@@ -102,7 +116,7 @@ void RegisterInterruptEvents(Service::Interface* self) {
 void WriteReg0x10(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    Kernel::SignalEvent(interrupt_event);
+    SignalInterrupt();
 
     cmd_buff[1] = 0; // No error
 
diff --git a/src/core/hle/service/dsp_dsp.h b/src/core/hle/service/dsp_dsp.h
index 0b8b64600..fa13bfb7c 100644
--- a/src/core/hle/service/dsp_dsp.h
+++ b/src/core/hle/service/dsp_dsp.h
@@ -20,4 +20,7 @@ public:
     }
 };
 
+/// Signals that a DSP interrupt has occurred to userland code
+void SignalInterrupt();
+
 } // namespace
diff --git a/src/core/hle/service/ir_rst.cpp b/src/core/hle/service/ir_rst.cpp
index b388afb15..d49bd5335 100644
--- a/src/core/hle/service/ir_rst.cpp
+++ b/src/core/hle/service/ir_rst.cpp
@@ -15,12 +15,7 @@ const Interface::FunctionInfo FunctionTable[] = {
     {0x00010000, nullptr,                 "GetHandles"},
     {0x00020080, nullptr,                 "Initialize"},
     {0x00030000, nullptr,                 "Shutdown"},
-    {0x00040000, nullptr,                 "Unknown"},
-    {0x00050000, nullptr,                 "Unknown"},
-    {0x00060000, nullptr,                 "Unknown"},
-    {0x00070080, nullptr,                 "Unknown"},
-    {0x00080000, nullptr,                 "Unknown"},
-    {0x00090000, nullptr,                 "Unknown"},
+    {0x00090000, nullptr,                 "WriteToTwoFields"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/hle/service/ldr_ro.cpp b/src/core/hle/service/ldr_ro.cpp
index 9c9e90a40..7d6e2e8e8 100644
--- a/src/core/hle/service/ldr_ro.cpp
+++ b/src/core/hle/service/ldr_ro.cpp
@@ -13,10 +13,14 @@ namespace LDR_RO {
 
 const Interface::FunctionInfo FunctionTable[] = {
     {0x000100C2, nullptr,               "Initialize"},
-    {0x00020082, nullptr,               "CRR_Load"},
-    {0x00030042, nullptr,               "CRR_Unload"},
-    {0x000402C2, nullptr,               "CRO_LoadAndFix"},
-    {0x000500C2, nullptr,               "CRO_ApplyRelocationPatchesAndLink"}
+    {0x00020082, nullptr,               "LoadCRR"},
+    {0x00030042, nullptr,               "UnloadCCR"},
+    {0x000402C2, nullptr,               "LoadExeCRO"},
+    {0x000500C2, nullptr,               "LoadCROSymbols"},
+    {0x00060042, nullptr,               "CRO_Load?"},
+    {0x00070042, nullptr,               "LoadCROSymbols"},
+    {0x00080042, nullptr,               "Shutdown"},
+    {0x000902C2, nullptr,               "LoadExeCRO_New?"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/hle/service/ndm_u.cpp b/src/core/hle/service/ndm_u.cpp
index 233b14f6d..0f03de6ae 100644
--- a/src/core/hle/service/ndm_u.cpp
+++ b/src/core/hle/service/ndm_u.cpp
@@ -11,10 +11,13 @@
 namespace NDM_U {
 
 const Interface::FunctionInfo FunctionTable[] = {
-    {0x00060040, nullptr, "SuspendDaemons"},
-    {0x00080040, nullptr, "DisableWifiUsage"},
-    {0x00090000, nullptr, "EnableWifiUsage"},
-    {0x00140040, nullptr, "OverrideDefaultDaemons"},
+    {0x00010042, nullptr,                 "EnterExclusiveState"},
+    {0x00020002, nullptr,                 "LeaveExclusiveState"},
+    {0x00030000, nullptr,                 "QueryExclusiveMode"},
+    {0x00060040, nullptr,                 "SuspendDaemons"},
+    {0x00080040, nullptr,                 "DisableWifiUsage"},
+    {0x00090000, nullptr,                 "EnableWifiUsage"},
+    {0x00140040, nullptr,                 "OverrideDefaultDaemons"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index 0f3cc2aa8..c5233e687 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -37,6 +37,7 @@
 #include "core/hle/service/soc_u.h"
 #include "core/hle/service/srv.h"
 #include "core/hle/service/ssl_c.h"
+#include "core/hle/service/y2r_u.h"
 
 namespace Service {
 
@@ -122,6 +123,7 @@ void Init() {
     g_manager->AddService(new PTM_U::Interface);
     g_manager->AddService(new SOC_U::Interface);
     g_manager->AddService(new SSL_C::Interface);
+    g_manager->AddService(new Y2R_U::Interface);
 
     LOG_DEBUG(Service, "initialized OK");
 }
diff --git a/src/core/hle/service/soc_u.cpp b/src/core/hle/service/soc_u.cpp
index 8e7abcf9c..f502c6afe 100644
--- a/src/core/hle/service/soc_u.cpp
+++ b/src/core/hle/service/soc_u.cpp
@@ -308,11 +308,11 @@ static void Socket(Service::Interface* self) {
 
     u32 socket_handle = static_cast<u32>(::socket(domain, type, protocol));
 
-    if (socket_handle != SOCKET_ERROR_VALUE)
+    if ((s32)socket_handle != SOCKET_ERROR_VALUE)
         open_sockets[socket_handle] = { socket_handle, true };
 
     int result = 0;
-    if (socket_handle == SOCKET_ERROR_VALUE)
+    if ((s32)socket_handle == SOCKET_ERROR_VALUE)
         result = TranslateError(GET_ERRNO);
 
     cmd_buffer[1] = result;
@@ -436,11 +436,11 @@ static void Accept(Service::Interface* self) {
     socklen_t addr_len = sizeof(addr);
     u32 ret = static_cast<u32>(::accept(socket_handle, &addr, &addr_len));
     
-    if (ret != SOCKET_ERROR_VALUE)
+    if ((s32)ret != SOCKET_ERROR_VALUE)
         open_sockets[ret] = { ret, true };
 
     int result = 0;
-    if (ret == SOCKET_ERROR_VALUE) {
+    if ((s32)ret == SOCKET_ERROR_VALUE) {
         result = TranslateError(GET_ERRNO);
     } else {
         CTRSockAddr ctr_addr = CTRSockAddr::FromPlatform(addr);
diff --git a/src/core/hle/service/srv.cpp b/src/core/hle/service/srv.cpp
index 25fab1a4f..912b52adf 100644
--- a/src/core/hle/service/srv.cpp
+++ b/src/core/hle/service/srv.cpp
@@ -52,13 +52,15 @@ static void GetServiceHandle(Service::Interface* self) {
 }
 
 const Interface::FunctionInfo FunctionTable[] = {
-    {0x00010002, Initialize,        "Initialize"},
-    {0x00020000, GetProcSemaphore,  "GetProcSemaphore"},
-    {0x00030100, nullptr,           "RegisterService"},
-    {0x000400C0, nullptr,           "UnregisterService"},
-    {0x00050100, GetServiceHandle,  "GetServiceHandle"},
-    {0x000B0000, nullptr,           "ReceiveNotification"},
-    {0x000C0080, nullptr,           "PublishToSubscriber"}
+    {0x00010002, Initialize,          "Initialize"},
+    {0x00020000, GetProcSemaphore,    "GetProcSemaphore"},
+    {0x00030100, nullptr,             "RegisterService"},
+    {0x000400C0, nullptr,             "UnregisterService"},
+    {0x00050100, GetServiceHandle,    "GetServiceHandle"},
+    {0x000600C2, nullptr,             "RegisterHandle"},
+    {0x00090040, nullptr,             "Subscribe"},
+    {0x000B0000, nullptr,             "ReceiveNotification"},
+    {0x000C0080, nullptr,             "PublishToSubscriber"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/hle/service/y2r_u.cpp b/src/core/hle/service/y2r_u.cpp
new file mode 100644
index 000000000..f9e3619dd
--- /dev/null
+++ b/src/core/hle/service/y2r_u.cpp
@@ -0,0 +1,45 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "core/hle/hle.h"
+#include "core/hle/kernel/event.h"
+#include "core/hle/service/y2r_u.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace Y2R_U
+
+namespace Y2R_U {
+
+const Interface::FunctionInfo FunctionTable[] = {
+    {0x00010040, nullptr,                 "SetInputFormat"},
+    {0x00030040, nullptr,                 "SetOutputFormat"},
+    {0x00050040, nullptr,                 "SetRotation"},
+    {0x00070040, nullptr,                 "SetBlockAlignment"},
+    {0x000D0040, nullptr,                 "SetTransferEndInterrupt"},
+    {0x000F0000, nullptr,                 "GetTransferEndEvent"},
+    {0x00100102, nullptr,                 "SetSendingY"},
+    {0x00110102, nullptr,                 "SetSendingU"},
+    {0x00120102, nullptr,                 "SetSendingV"},
+    {0x00180102, nullptr,                 "SetReceiving"},
+    {0x001A0040, nullptr,                 "SetInputLineWidth"},
+    {0x001C0040, nullptr,                 "SetInputLines"},
+    {0x00200040, nullptr,                 "SetStandardCoefficient"},
+    {0x00220040, nullptr,                 "SetAlpha"},
+    {0x00260000, nullptr,                 "StartConversion"},
+    {0x00270000, nullptr,                 "StopConversion"},
+    {0x00280000, nullptr,                 "IsBusyConversion"},
+    {0x002A0000, nullptr,                 "PingProcess"},
+    {0x002B0000, nullptr,                 "DriverInitialize"},
+    {0x002C0000, nullptr,                 "DriverFinalize"}
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+    
+} // namespace
diff --git a/src/core/hle/service/y2r_u.h b/src/core/hle/service/y2r_u.h
new file mode 100644
index 000000000..171aecfd1
--- /dev/null
+++ b/src/core/hle/service/y2r_u.h
@@ -0,0 +1,23 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace Y2R_U
+
+namespace Y2R_U {
+
+class Interface : public Service::Interface {
+public:
+    Interface();
+
+    std::string GetPortName() const override {
+        return "y2r:u";
+    }
+};
+
+} // namespace
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp
index 0ff6c6cde..e346e0ad6 100644
--- a/src/core/hw/gpu.cpp
+++ b/src/core/hw/gpu.cpp
@@ -10,6 +10,7 @@
 
 #include "core/hle/hle.h"
 #include "core/hle/service/gsp_gpu.h"
+#include "core/hle/service/dsp_dsp.h"
 
 #include "core/hw/gpu.h"
 
@@ -214,13 +215,18 @@ void Update() {
             //  - If frameskip == 0 (disabled), always swap buffers
             //  - If frameskip == 1, swap buffers every other frame (starting from the first frame)
             //  - If frameskip > 1, swap buffers every frameskip^n frames (starting from the second frame)
-
             if ((((Settings::values.frame_skip != 1) ^ last_skip_frame) && last_skip_frame != g_skip_frame) || 
                    Settings::values.frame_skip == 0) {
                 VideoCore::g_renderer->SwapBuffers();
             }
 
+            // Signal to GSP that GPU interrupt has occurred
             GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PDC1);
+
+            // TODO(bunnei): Fake a DSP interrupt on each frame. This does not belong here, but
+            // until we can emulate DSP interrupts, this is probably the only reasonable place to do
+            // this. Certain games expect this to be periodically signaled.
+            DSP_DSP::SignalInterrupt();
         }
     }
 }
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 87580cb2a..45cf425df 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -45,6 +45,8 @@ FileType IdentifyFile(const std::string &filename) {
         return FileType::CCI;
     } else if (extension == ".bin") {
         return FileType::BIN;
+    } else if (extension == ".3ds") {
+        return FileType::CCI;
     } else if (extension == ".3dsx") {
         return FileType::THREEDSX;
     }