M src/platform/qt/MemoryModel.cpp → src/platform/qt/MemoryModel.cpp

@@ -21,6 +21,7 @@ using namespace QGBA;
 
 MemoryModel::MemoryModel(QWidget* parent)
 	: QAbstractScrollArea(parent)
+	, m_cpu(nullptr)
 	, m_top(0)
 {
 	m_font.setFamily("Source Code Pro");

M src/platform/qt/MemoryView.cpp → src/platform/qt/MemoryView.cpp

@@ -6,6 +6,8 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "MemoryView.h"
 
+#include "GameController.h"
+
 using namespace QGBA;
 
 MemoryView::MemoryView(GameController* controller, QWidget* parent)
@@ -15,4 +17,5 @@ {
 	m_ui.setupUi(this);
 
 	m_ui.hexfield->setController(controller);
+	connect(controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(close()));
 }

M src/platform/qt/PaletteView.cpp → src/platform/qt/PaletteView.cpp

@@ -33,9 +33,14 @@ m_ui.b->setFont(font);
 
 	connect(m_ui.bgGrid, SIGNAL(indexPressed(int)), this, SLOT(selectIndex(int)));
 	connect(m_ui.objGrid, &Swatch::indexPressed, [this] (int index) { selectIndex(index + 256); });
+
+	connect(controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(close()));
 }
 
 void PaletteView::updatePalette() {
+	if (!m_controller->thread() || !m_controller->thread()->gba) {
+		return;
+	}
 	const uint16_t* palette = m_controller->thread()->gba->video.palette;
 	for (int i = 0; i < 256; ++i) {
 		m_ui.bgGrid->setColor(i, palette[i]);