More Qt changes for debugger

9 files changed, 190 insertions, 187 deletions

diff --git a/src/citra_qt/src/bootmanager.cpp b/src/citra_qt/src/bootmanager.cpp
index cda61877..56356ae3 100644
--- a/src/citra_qt/src/bootmanager.cpp
+++ b/src/citra_qt/src/bootmanager.cpp
@@ -14,7 +14,7 @@
 #define APP_TITLE       APP_NAME " " APP_VERSION
 #define COPYRIGHT       "Copyright (C) 2013-2014 Citra Team"
 
-EmuThread::EmuThread(GRenderWindow* render_window) : exec_cpu_step(false), cpu_running(true), render_window(render_window)
+EmuThread::EmuThread(GRenderWindow* render_window) : exec_cpu_step(false), cpu_running(false), render_window(render_window)
 {
 }
 
@@ -25,61 +25,23 @@ void EmuThread::SetFilename(const char* filename)
 
 void EmuThread::run()
 {
-	//u32 tight_loop;
-
-    NOTICE_LOG(MASTER_LOG, APP_NAME " starting...\n");
-
-    if (Core::Init(/*render_window*/)) {
-		ERROR_LOG(MASTER_LOG, "core initialization failed, exiting...");
-        Core::Stop();
-        exit(1);
-    }
-
-	// Load a game or die...
-	std::string boot_filename = filename;
-	std::string error_str;
-	bool res = Loader::LoadFile(boot_filename, &error_str);
-
-	if (!res) {
-		ERROR_LOG(BOOT, "Failed to load ROM: %s", error_str.c_str());
-	}
-
 	Core::Start(); //autoboot for now
 
-	for (int tight_loop = 0; tight_loop < 10000; ++tight_loop) {
-		Core::SingleStep();
-	}
-	/*
-    while(core::SYS_DIE != core::g_state) 
-	{
-        if (core::SYS_RUNNING == core::g_state) 
-		{
-            if(!cpu->is_on) 
-			{
-				cpu->Start(); // Initialize and start CPU.
-            } 
-			else 
-			{
-                for(tight_loop = 0; tight_loop < 10000; ++tight_loop) 
-				{
-                    if (!cpu_running)
-                    {
-                        emit CPUStepped();
-                        exec_cpu_step = false;
-                        cpu->step = true;
-                        while (!exec_cpu_step && !cpu_running && core::SYS_DIE != core::g_state);
-                    }
-                    cpu->execStep();
-                    cpu->step = false;
-                }
+    while (true)
+    {
+        for (int tight_loop = 0; tight_loop < 10000; ++tight_loop)
+        {
+            if (cpu_running || exec_cpu_step)
+            {
+                if (exec_cpu_step)
+                    exec_cpu_step = false;
+
+                Core::SingleStep();
+                emit CPUStepped();
             }
-        } 
-		else if (core::SYS_HALTED == core::g_state) 
-		{
-            core::Stop();
         }
     }
-	*/
+
     Core::Stop();
 }
 
diff --git a/src/citra_qt/src/bootmanager.hxx b/src/citra_qt/src/bootmanager.hxx
index 94394596..b3aa1cf3 100644
--- a/src/citra_qt/src/bootmanager.hxx
+++ b/src/citra_qt/src/bootmanager.hxx
@@ -40,6 +40,14 @@ public:
      */
     void SetCpuRunning(bool running) { cpu_running = running; }
 
+    /**
+    * Allow the CPU to continue processing instructions without interruption
+    *
+    * @note This function is thread-safe
+    */
+    bool IsCpuRunning() { return cpu_running; }
+
+
 public slots:
     /**
      * Stop emulation and wait for the thread to finish.
diff --git a/src/citra_qt/src/cpu_regs.cpp b/src/citra_qt/src/cpu_regs.cpp
index 5d240b4b..ba0e8d70 100644
--- a/src/citra_qt/src/cpu_regs.cpp
+++ b/src/citra_qt/src/cpu_regs.cpp
@@ -1,6 +1,7 @@
 #include "cpu_regs.hxx"
 
-//#include "powerpc/cpu_core_regs.h"
+#include "core.h"
+#include "arm/armdefs.h"
 
 GARM11RegsView::GARM11RegsView(QWidget* parent) : QDockWidget(parent)
 {
@@ -8,57 +9,54 @@ GARM11RegsView::GARM11RegsView(QWidget* parent) : QDockWidget(parent)
 
     tree = cpu_regs_ui.treeWidget;
     tree->addTopLevelItem(registers = new QTreeWidgetItem(QStringList("Registers")));
-	tree->addTopLevelItem(CSPR = new QTreeWidgetItem(QStringList("CSPR")));
+    tree->addTopLevelItem(CSPR = new QTreeWidgetItem(QStringList("CSPR")));
 
-	//const Qt::ItemFlags child_flags = Qt::ItemIsEditable | Qt::ItemIsEnabled;
-	//registers->setFlags(child_flags);
-	//CSPR->setFlags(child_flags);
+    registers->setExpanded(true);
+    CSPR->setExpanded(true);
 
-	for (int i = 0; i < 16; ++i)
+    for (int i = 0; i < 16; ++i)
     {
-		QTreeWidgetItem* child = new QTreeWidgetItem(QStringList(QString("R[%1]").arg(i, 2, 10, QLatin1Char('0'))));
-        //child->setFlags(child_flags);
+        QTreeWidgetItem* child = new QTreeWidgetItem(QStringList(QString("R[%1]").arg(i, 2, 10, QLatin1Char('0'))));
         registers->addChild(child);
     }
 
-	CSPR->addChild(new QTreeWidgetItem(QStringList("M")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("T")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("F")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("I")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("A")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("E")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("IT")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("GE")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("DNM")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("J")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("Q")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("V")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("C")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("Z")));
-	CSPR->addChild(new QTreeWidgetItem(QStringList("N")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("M")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("T")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("F")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("I")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("A")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("E")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("IT")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("GE")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("DNM")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("J")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("Q")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("V")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("C")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("Z")));
+    CSPR->addChild(new QTreeWidgetItem(QStringList("N")));
 }
 
 void GARM11RegsView::OnCPUStepped()
 {
-	//TODO (Vail) replace values
-	int value = 0;
-	for (int i = 0; i < 16; ++i)
-		registers->child(i)->setText(1, QString("0x%1").arg(i, 8, 16, QLatin1Char('0')));
-
-	CSPR->child(0)->setText(1, QString("%1").arg(value));
-	CSPR->child(1)->setText(1, QString("%1").arg(value));
-	CSPR->child(2)->setText(1, QString("%1").arg(value));
-	CSPR->child(3)->setText(1, QString("%1").arg(value));
-	CSPR->child(4)->setText(1, QString("%1").arg(value));
-	CSPR->child(5)->setText(1, QString("%1").arg(value));
-	CSPR->child(6)->setText(1, QString("%1").arg(value));
-	CSPR->child(7)->setText(1, QString("%1").arg(value));
-	CSPR->child(8)->setText(1, QString("%1").arg(value));
-	CSPR->child(9)->setText(1, QString("%1").arg(value));
-	CSPR->child(10)->setText(1, QString("%1").arg(value));
-	CSPR->child(11)->setText(1, QString("%1").arg(value));
-	CSPR->child(12)->setText(1, QString("%1").arg(value));
-	CSPR->child(13)->setText(1, QString("%1").arg(value));
-	CSPR->child(14)->setText(1, QString("%1").arg(value));
-	CSPR->child(15)->setText(1, QString("%1").arg(value));
+    ARMul_State* state = Core::GetState();
+    for (int i = 0; i < 16; ++i)
+        registers->child(i)->setText(1, QString("0x%1").arg(state->Reg[i], 8, 16, QLatin1Char('0')));
+
+    CSPR->setText(1, QString("0x%1").arg(state->Cpsr, 8, 16, QLatin1Char('0')));
+    CSPR->child(0)->setText(1, QString("b%1").arg(state->Cpsr & 0x1F, 5, 2, QLatin1Char('0'))); // M - Mode
+    CSPR->child(1)->setText(1, QString("%1").arg((state->Cpsr >> 5) & 0x1));	// T - State
+    CSPR->child(2)->setText(1, QString("%1").arg((state->Cpsr >> 6) & 0x1));	// F - FIQ disable
+    CSPR->child(3)->setText(1, QString("%1").arg((state->Cpsr >> 7) & 0x1));	// I - IRQ disable
+    CSPR->child(4)->setText(1, QString("%1").arg((state->Cpsr >> 8) & 0x1));	// A - Imprecise abort
+    CSPR->child(5)->setText(1, QString("%1").arg((state->Cpsr >> 9) & 0x1));	// E - Data endianess
+    CSPR->child(6)->setText(1, QString("%1").arg((state->Cpsr >> 10) & 0x3F));	// IT - If-Then state (DNM)
+    CSPR->child(7)->setText(1, QString("%1").arg((state->Cpsr >> 16) & 0xF));	// GE - Greater-than-or-Equal
+    CSPR->child(8)->setText(1, QString("%1").arg((state->Cpsr >> 20) & 0xF));	// DNM - Do not modify
+    CSPR->child(9)->setText(1, QString("%1").arg((state->Cpsr >> 24) & 0x1));	// J - Java state
+    CSPR->child(10)->setText(1, QString("%1").arg((state->Cpsr >> 27) & 0x1));	// Q - Sticky overflow
+    CSPR->child(11)->setText(1, QString("%1").arg((state->Cpsr >> 28) & 0x1));	// V - Overflow
+    CSPR->child(12)->setText(1, QString("%1").arg((state->Cpsr >> 29) & 0x1));	// C - Carry/Borrow/Extend
+    CSPR->child(13)->setText(1, QString("%1").arg((state->Cpsr >> 30) & 0x1));	// Z - Zero
+    CSPR->child(14)->setText(1, QString("%1").arg((state->Cpsr >> 31) & 0x1));	// N - Negative/Less than
 }
diff --git a/src/citra_qt/src/disasm.cpp b/src/citra_qt/src/disasm.cpp
index 6e4087b2..2d1c61a7 100644
--- a/src/citra_qt/src/disasm.cpp
+++ b/src/citra_qt/src/disasm.cpp
@@ -8,12 +8,11 @@
 #include "common.h"
 #include "mem_map.h"
 
+#include "core.h"
 #include "break_points.h"
-//#include "powerpc/cpu_core_regs.h"
+#include "arm/armdefs.h"
 #include "arm/disassembler/arm_disasm.h"
 
-//#include "powerpc/interpreter/cpu_int.h"
-
 GDisAsmView::GDisAsmView(QWidget* parent, EmuThread& emu_thread) : QDockWidget(parent), base_addr(0), emu_thread(emu_thread)
 {
     disasm_ui.setupUi(this);
@@ -21,50 +20,83 @@ GDisAsmView::GDisAsmView(QWidget* parent, EmuThread& emu_thread) : QDockWidget(p
 	breakpoints = new BreakPoints();
 
     model = new QStandardItemModel(this);
-    model->setColumnCount(3);
+    model->setColumnCount(2);
     disasm_ui.treeView->setModel(model);
 
+    RegisterHotkey("Disassembler", "Start/Stop", QKeySequence(Qt::Key_F5), Qt::ApplicationShortcut);
     RegisterHotkey("Disassembler", "Step", QKeySequence(Qt::Key_F10), Qt::ApplicationShortcut);
     RegisterHotkey("Disassembler", "Step into", QKeySequence(Qt::Key_F11), Qt::ApplicationShortcut);
-//    RegisterHotkey("Disassembler", "Pause", QKeySequence(Qt::Key_F5), Qt::ApplicationShortcut);
-    RegisterHotkey("Disassembler", "Continue", QKeySequence(Qt::Key_F5), Qt::ApplicationShortcut);
     RegisterHotkey("Disassembler", "Set Breakpoint", QKeySequence(Qt::Key_F9), Qt::ApplicationShortcut);
 
     connect(disasm_ui.button_breakpoint, SIGNAL(clicked()), this, SLOT(OnSetBreakpoint()));
     connect(disasm_ui.button_step, SIGNAL(clicked()), this, SLOT(OnStep()));
     connect(disasm_ui.button_pause, SIGNAL(clicked()), this, SLOT(OnPause()));
     connect(disasm_ui.button_continue, SIGNAL(clicked()), this, SLOT(OnContinue()));
+
+    connect(GetHotkey("Disassembler", "Start/Stop", this), SIGNAL(activated()), this, SLOT(OnToggleStartStop()));
     connect(GetHotkey("Disassembler", "Step", this), SIGNAL(activated()), this, SLOT(OnStep()));
     connect(GetHotkey("Disassembler", "Step into", this), SIGNAL(activated()), this, SLOT(OnStepInto()));
-//    connect(GetHotkey("Disassembler", "Pause", this), SIGNAL(activated()), this, SLOT(OnPause()));
-    connect(GetHotkey("Disassembler", "Continue", this), SIGNAL(activated()), this, SLOT(OnContinue()));
     connect(GetHotkey("Disassembler", "Set Breakpoint", this), SIGNAL(activated()), this, SLOT(OnSetBreakpoint()));
 }
 
+void GDisAsmView::Init()
+{
+    ARMul_State* state = Core::GetState();
+    Arm* disasm = new Arm();
+
+    base_addr = state->pc;
+    unsigned int curInstAddr = base_addr;
+    char result[255];
+
+    for (int i = 0; i < 10000; i++) // fixed for now
+    {
+        disasm->disasm(curInstAddr, Memory::Read32(curInstAddr), result);
+        model->setItem(i, 0, new QStandardItem(QString("0x%1").arg((uint)(curInstAddr), 8, 16, QLatin1Char('0'))));
+        model->setItem(i, 1, new QStandardItem(QString(result)));
+        curInstAddr += 4;
+    }
+    disasm_ui.treeView->resizeColumnToContents(0);
+    disasm_ui.treeView->resizeColumnToContents(1);
+    
+    QModelIndex model_index = model->index(0, 0);
+    disasm_ui.treeView->scrollTo(model_index);
+    disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
+}
+
 void GDisAsmView::OnSetBreakpoint()
 {
-	if (SelectedRow() == -1)
+    int selected_row = SelectedRow();
+
+    if (selected_row == -1)
         return;
 	
-    u32 address = base_addr + 4 * SelectedRow();
+    u32 address = base_addr + (selected_row * 4);
     if (breakpoints->IsAddressBreakPoint(address))
     {
 		breakpoints->Remove(address);
-        model->item(SelectedRow(), 0)->setBackground(QBrush());
-        model->item(SelectedRow(), 1)->setBackground(QBrush());
-        model->item(SelectedRow(), 2)->setBackground(QBrush());
+        model->item(selected_row, 0)->setBackground(QBrush());
+        model->item(selected_row, 1)->setBackground(QBrush());
     }
     else
     {
         breakpoints->Add(address);
-        model->item(SelectedRow(), 0)->setBackground(Qt::red);
-        model->item(SelectedRow(), 1)->setBackground(Qt::red);
-        model->item(SelectedRow(), 2)->setBackground(Qt::red);
+        model->item(selected_row, 0)->setBackground(QBrush(QColor(0xFF, 0x99, 0x99)));
+        model->item(selected_row, 1)->setBackground(QBrush(QColor(0xFF, 0x99, 0x99)));
     }
 }
 
+void GDisAsmView::OnContinue()
+{
+    emu_thread.SetCpuRunning(true);
+}
+
 void GDisAsmView::OnStep()
 {
+    OnStepInto(); // change later
+}
+
+void GDisAsmView::OnStepInto()
+{
     emu_thread.SetCpuRunning(false);
     emu_thread.ExecStep();
 }
@@ -74,64 +106,24 @@ void GDisAsmView::OnPause()
     emu_thread.SetCpuRunning(false);
 }
 
-void GDisAsmView::OnContinue()
+void GDisAsmView::OnToggleStartStop()
 {
-    emu_thread.SetCpuRunning(true);
+    emu_thread.SetCpuRunning(!emu_thread.IsCpuRunning());
 }
 
 void GDisAsmView::OnCPUStepped()
 {
-	/*
-	base_addr = ireg.PC - 52;
-    unsigned int curInstAddr = base_addr;
-    int  counter = 0;
-    QModelIndex cur_instr_index;
-    model->setRowCount(100);
-    while(true)
-    {
-        u32 opcode = *(u32*)(&Mem_RAM[curInstAddr & RAM_MASK]);
-
-        char out1[64];
-        char out2[128];
-        u32 out3 = 0;
-        memset(out1, 0, sizeof(out1));
-        memset(out2, 0, sizeof(out2));
-
-        // NOTE: out3 (nextInstAddr) seems to be bugged, better don't use it...
-        DisassembleGekko(out1, out2, opcode, curInstAddr, &out3);
-        model->setItem(counter, 0, new QStandardItem(QString("0x%1").arg((uint)curInstAddr, 8, 16, QLatin1Char('0'))));
-        model->setItem(counter, 1, new QStandardItem(QString(out1)));
-        model->setItem(counter, 2, new QStandardItem(QString(out2)));
-
-        if (ireg.PC == curInstAddr)
-        {
-            model->item(counter, 0)->setBackground(Qt::yellow);
-            model->item(counter, 1)->setBackground(Qt::yellow);
-            model->item(counter, 2)->setBackground(Qt::yellow);
-            cur_instr_index = model->index(counter, 0);
-        }
-        else if (Debugger::IsBreakpoint(curInstAddr))
-        {
-            model->item(counter, 0)->setBackground(Qt::red);
-            model->item(counter, 1)->setBackground(Qt::red);
-            model->item(counter, 2)->setBackground(Qt::red);
-        }
-        else
-        {
-            model->item(counter, 0)->setBackground(QBrush());
-            model->item(counter, 1)->setBackground(QBrush());
-            model->item(counter, 2)->setBackground(QBrush());
-        }
-        curInstAddr += 4;
+    ARMword next_instr = Core::GetState()->pc;
 
-        ++counter;
-        if (counter >= 100) break;
+    if (breakpoints->IsAddressBreakPoint(next_instr))
+    {
+        emu_thread.SetCpuRunning(false);
     }
-    disasm_ui.treeView->resizeColumnToContents(0);
-    disasm_ui.treeView->resizeColumnToContents(1);
-    disasm_ui.treeView->resizeColumnToContents(2);
-    disasm_ui.treeView->scrollTo(cur_instr_index); // QAbstractItemView::PositionAtCenter?
-	*/
+
+    unsigned int index = (next_instr - base_addr) / 4;
+    QModelIndex model_index = model->index(index, 0);
+    disasm_ui.treeView->scrollTo(model_index);
+    disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
 }
 
 int GDisAsmView::SelectedRow()
diff --git a/src/citra_qt/src/disasm.hxx b/src/citra_qt/src/disasm.hxx
index 64810711..0e4a0fc3 100644
--- a/src/citra_qt/src/disasm.hxx
+++ b/src/citra_qt/src/disasm.hxx
@@ -15,11 +15,15 @@ class GDisAsmView : public QDockWidget
 public:
     GDisAsmView(QWidget* parent, EmuThread& emu_thread);
 
+    void Init();
+
 public slots:
     void OnSetBreakpoint();
+    void OnContinue();
     void OnStep();
+    void OnStepInto();
     void OnPause();
-    void OnContinue();
+    void OnToggleStartStop();
 
     void OnCPUStepped();
 
diff --git a/src/citra_qt/src/main.cpp b/src/citra_qt/src/main.cpp
index 02893809..d7104eb0 100644
--- a/src/citra_qt/src/main.cpp
+++ b/src/citra_qt/src/main.cpp
@@ -19,6 +19,8 @@
 #include "callstack.hxx"
 #include "ramview.hxx"
 
+#include "system.h"
+#include "loader.h"
 #include "core.h"
 #include "version.h"
 
@@ -31,11 +33,11 @@ GMainWindow::GMainWindow()
     render_window = new GRenderWindow;
     render_window->hide();
 
-    GDisAsmView* disasm = new GDisAsmView(this, render_window->GetEmuThread());
+    disasm = new GDisAsmView(this, render_window->GetEmuThread());
     addDockWidget(Qt::BottomDockWidgetArea, disasm);
     disasm->hide();
 
-    GARM11RegsView* arm_regs = new GARM11RegsView(this);
+    arm_regs = new GARM11RegsView(this);
     addDockWidget(Qt::RightDockWidgetArea, arm_regs);
     arm_regs->hide();
 
@@ -75,8 +77,6 @@ GMainWindow::GMainWindow()
     // BlockingQueuedConnection is important here, it makes sure we've finished refreshing our views before the CPU continues
     connect(&render_window->GetEmuThread(), SIGNAL(CPUStepped()), disasm, SLOT(OnCPUStepped()), Qt::BlockingQueuedConnection);
     connect(&render_window->GetEmuThread(), SIGNAL(CPUStepped()), arm_regs, SLOT(OnCPUStepped()), Qt::BlockingQueuedConnection);
-	//connect(&render_window->GetEmuThread(), SIGNAL(CPUStepped()), ram_edit, SLOT(OnCPUStepped()), Qt::BlockingQueuedConnection);
-	//connect(&render_window->GetEmuThread(), SIGNAL(CPUStepped()), callstack, SLOT(OnCPUStepped()), Qt::BlockingQueuedConnection);
 
     // Setup hotkeys
     RegisterHotkey("Main Window", "Load Image", QKeySequence::Open);
@@ -87,6 +87,8 @@ GMainWindow::GMainWindow()
     connect(GetHotkey("Main Window", "Start Emulation", this), SIGNAL(activated()), this, SLOT(OnStartGame()));
 
     show();
+
+    System::Init(render_window);
 }
 
 GMainWindow::~GMainWindow()
@@ -100,6 +102,27 @@ void GMainWindow::BootGame(const char* filename)
 {
     render_window->DoneCurrent(); // make sure EmuThread can access GL context
     render_window->GetEmuThread().SetFilename(filename);
+    
+    NOTICE_LOG(MASTER_LOG, "citra starting...\n");
+
+    if (Core::Init(/*render_window*/)) {
+        ERROR_LOG(MASTER_LOG, "core initialization failed, exiting...");
+        Core::Stop();
+        exit(1);
+    }
+
+    // Load a game or die...
+    std::string boot_filename = filename;
+    std::string error_str;
+    bool res = Loader::LoadFile(boot_filename, &error_str);
+
+    if (!res) {
+        ERROR_LOG(BOOT, "Failed to load ROM: %s", error_str.c_str());
+    }
+
+    disasm->Init();
+    arm_regs->OnCPUStepped();
+
     render_window->GetEmuThread().start();
 
     SetupEmuWindowMode();
@@ -115,14 +138,30 @@ void GMainWindow::OnMenuLoadELF()
 
 void GMainWindow::OnStartGame()
 {
+    render_window->show();
+    render_window->GetEmuThread().SetCpuRunning(true);
+
+    ui.action_Start->setEnabled(false);
+    ui.action_Pause->setEnabled(true);
+    ui.action_Stop->setEnabled(true);
 }
 
 void GMainWindow::OnPauseGame()
 {
+    render_window->GetEmuThread().SetCpuRunning(false);
+
+    ui.action_Start->setEnabled(true);
+    ui.action_Pause->setEnabled(false);
+    ui.action_Stop->setEnabled(true);
 }
 
 void GMainWindow::OnStopGame()
 {
+    render_window->GetEmuThread().SetCpuRunning(false);
+
+    ui.action_Start->setEnabled(true);
+    ui.action_Pause->setEnabled(false);
+    ui.action_Stop->setEnabled(false);
 }
 
 void GMainWindow::OnOpenHotkeysDialog()
@@ -134,8 +173,8 @@ void GMainWindow::OnOpenHotkeysDialog()
 
 void GMainWindow::SetupEmuWindowMode()
 {
-    if (!render_window->GetEmuThread().isRunning())
-        return;
+    //if (!render_window->GetEmuThread().isRunning())
+    //    return;
 
     bool enable = ui.action_Single_Window_Mode->isChecked();
     if (enable && render_window->parent() == NULL) // switch to single window mode
diff --git a/src/citra_qt/src/main.hxx b/src/citra_qt/src/main.hxx
index 81ee3860..34bd2c3a 100644
--- a/src/citra_qt/src/main.hxx
+++ b/src/citra_qt/src/main.hxx
@@ -7,6 +7,8 @@
 
 class GImageInfo;
 class GRenderWindow;
+class GDisAsmView;
+class GARM11RegsView;
 
 class GMainWindow : public QMainWindow
 {
@@ -42,6 +44,8 @@ private:
     Ui::MainWindow ui;
 
     GRenderWindow* render_window;
+    GDisAsmView* disasm;
+    GARM11RegsView* arm_regs;
 };
 
 #endif // _CITRA_QT_MAIN_HXX_
diff --git a/src/citra_qt/src/main.ui b/src/citra_qt/src/main.ui
index 83d1e1f0..bc895d89 100644
--- a/src/citra_qt/src/main.ui
+++ b/src/citra_qt/src/main.ui
@@ -87,14 +87,6 @@
     <string>&amp;Start</string>
    </property>
   </action>
-  <action name="action_Stop">
-   <property name="enabled">
-    <bool>false</bool>
-   </property>
-   <property name="text">
-    <string>&amp;Stop</string>
-   </property>
-  </action>
   <action name="action_Pause">
    <property name="enabled">
     <bool>false</bool>
@@ -102,11 +94,16 @@
    <property name="text">
     <string>&amp;Pause</string>
    </property>
-   <property name="visible">
-    <bool>false</bool>
-   </property>
   </action>
-  <action name="action_About">
+   <action name="action_Stop">
+     <property name="enabled">
+       <bool>false</bool>
+     </property>
+     <property name="text">
+       <string>&amp;Stop</string>
+     </property>
+   </action>
+   <action name="action_About">
    <property name="text">
     <string>About Citra</string>
    </property>
diff --git a/src/citra_qt/src/ui_main.h b/src/citra_qt/src/ui_main.h
index 693fa70b..d349a5c6 100644
--- a/src/citra_qt/src/ui_main.h
+++ b/src/citra_qt/src/ui_main.h
@@ -29,8 +29,8 @@ public:
     QAction *action_load_elf;
     QAction *action_Exit;
     QAction *action_Start;
-    QAction *action_Stop;
     QAction *action_Pause;
+    QAction *action_Stop;
     QAction *action_About;
     QAction *action_Single_Window_Mode;
     QAction *action_Hotkeys;
@@ -60,13 +60,12 @@ public:
         action_Exit->setObjectName(QString::fromUtf8("action_Exit"));
         action_Start = new QAction(MainWindow);
         action_Start->setObjectName(QString::fromUtf8("action_Start"));
-        action_Stop = new QAction(MainWindow);
-        action_Stop->setObjectName(QString::fromUtf8("action_Stop"));
-        action_Stop->setEnabled(false);
         action_Pause = new QAction(MainWindow);
         action_Pause->setObjectName(QString::fromUtf8("action_Pause"));
         action_Pause->setEnabled(false);
-        action_Pause->setVisible(false);
+        action_Stop = new QAction(MainWindow);
+        action_Stop->setObjectName(QString::fromUtf8("action_Stop"));
+        action_Stop->setEnabled(false);
         action_About = new QAction(MainWindow);
         action_About->setObjectName(QString::fromUtf8("action_About"));
         action_Single_Window_Mode = new QAction(MainWindow);
@@ -126,8 +125,8 @@ public:
         action_load_elf->setText(QApplication::translate("MainWindow", "Load ELF ...", 0, QApplication::UnicodeUTF8));
         action_Exit->setText(QApplication::translate("MainWindow", "E&xit", 0, QApplication::UnicodeUTF8));
         action_Start->setText(QApplication::translate("MainWindow", "&Start", 0, QApplication::UnicodeUTF8));
-        action_Stop->setText(QApplication::translate("MainWindow", "&Stop", 0, QApplication::UnicodeUTF8));
         action_Pause->setText(QApplication::translate("MainWindow", "&Pause", 0, QApplication::UnicodeUTF8));
+        action_Stop->setText(QApplication::translate("MainWindow", "&Stop", 0, QApplication::UnicodeUTF8));
         action_About->setText(QApplication::translate("MainWindow", "About Citra", 0, QApplication::UnicodeUTF8));
         action_Single_Window_Mode->setText(QApplication::translate("MainWindow", "Single Window Mode", 0, QApplication::UnicodeUTF8));
         action_Hotkeys->setText(QApplication::translate("MainWindow", "Configure &Hotkeys ...", 0, QApplication::UnicodeUTF8));