diff --git a/src/platform/qt/CMakeLists.txt b/src/platform/qt/CMakeLists.txt
index be9172e51..0914042d8 100644
--- a/src/platform/qt/CMakeLists.txt
+++ b/src/platform/qt/CMakeLists.txt
@@ -127,6 +127,7 @@ set(UI_FILES
 	BattleChipView.ui
 	CheatsView.ui
 	DebuggerConsole.ui
+	DolphinConnector.ui
 	FrameView.ui
 	GIFView.ui
 	IOViewer.ui
@@ -155,6 +156,7 @@ set(GBA_SRC
 	BattleChipModel.cpp
 	BattleChipUpdater.cpp
 	BattleChipView.cpp
+	DolphinConnector.cpp
 	GBAOverride.cpp)
 
 set(GB_SRC
diff --git a/src/platform/qt/CoreController.cpp b/src/platform/qt/CoreController.cpp
index 6091c70c0..8db5609de 100644
--- a/src/platform/qt/CoreController.cpp
+++ b/src/platform/qt/CoreController.cpp
@@ -117,7 +117,9 @@ CoreController::CoreController(mCore* core, QObject* parent)
 		}
 
 		controller->clearMultiplayerController();
+#ifdef M_CORE_GBA
 		controller->detachDolphin();
+#endif
 		QMetaObject::invokeMethod(controller, "stopping");
 	};
 
@@ -362,14 +364,12 @@ mCacheSet* CoreController::graphicCaches() {
 	return m_cacheSet.get();
 }
 
-bool CoreController::connectDolphin(uint32_t ipv4) {
+#ifdef M_CORE_GBA
+bool CoreController::attachDolphin(const Address& address) {
 	if (platform() != mPLATFORM_GBA) {
 		return false;
 	}
-	Address ipaddr;
-	ipaddr.version = IPV4;
-	ipaddr.ipv4 = htonl(ipv4);
-	if (GBASIODolphinConnect(&m_dolphin, &ipaddr, 0, 0)) {
+	if (GBASIODolphinConnect(&m_dolphin, &address, 0, 0)) {
 		GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
 		GBASIOSetDriver(&gba->sio, &m_dolphin.d, SIO_JOYBUS);
 		return true;
@@ -384,6 +384,7 @@ void CoreController::detachDolphin() {
 	}
 	GBASIODolphinDestroy(&m_dolphin);
 }
+#endif
 
 void CoreController::setOverride(std::unique_ptr<Override> override) {
 	Interrupter interrupter(this);
diff --git a/src/platform/qt/CoreController.h b/src/platform/qt/CoreController.h
index 3b92ed4e1..1442adc9a 100644
--- a/src/platform/qt/CoreController.h
+++ b/src/platform/qt/CoreController.h
@@ -108,8 +108,9 @@ public:
 	void clearMultiplayerController();
 	MultiplayerController* multiplayerController() { return m_multiplayer; }
 
-	bool connectDolphin(uint32_t ipv4);
-	void detachDolphin();
+#ifdef M_CORE_GBA
+	bool isDolphinConnected() const { return !SOCKET_FAILED(m_dolphin.data); }
+#endif
 
 	mCacheSet* graphicCaches();
 	int stateSlot() const { return m_stateSlot; }
@@ -180,6 +181,9 @@ public slots:
 	void detachBattleChipGate();
 	void setBattleChipId(uint16_t id);
 	void setBattleChipFlavor(int flavor);
+
+	bool attachDolphin(const Address& address);
+	void detachDolphin();
 #endif
 
 	void setAVStream(mAVStream*);
diff --git a/src/platform/qt/DolphinConnector.cpp b/src/platform/qt/DolphinConnector.cpp
new file mode 100644
index 000000000..fb026ea24
--- /dev/null
+++ b/src/platform/qt/DolphinConnector.cpp
@@ -0,0 +1,65 @@
+/* Copyright (c) 2013-2021 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "DolphinConnector.h"
+
+#include "CoreController.h"
+#include "Window.h"
+#include "utils.h"
+
+using namespace QGBA;
+
+DolphinConnector::DolphinConnector(Window* window, QWidget* parent)
+	: QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
+	, m_window(window)
+{
+	m_ui.setupUi(this);
+
+	connect(window, &QObject::destroyed, this, &QWidget::close);
+	connect(m_ui.connect, &QAbstractButton::clicked, this, &DolphinConnector::attach);
+	connect(m_ui.disconnect, &QAbstractButton::clicked, this, &DolphinConnector::detach);
+
+	updateAttached();
+}
+
+void DolphinConnector::attach() {
+	QHostAddress qaddress;
+	Address address;
+	if (m_ui.specLocal->isChecked()) {
+		qaddress.setAddress("127.0.0.1");
+	} else if (m_ui.specIPAddr->isChecked()) {
+		if (!qaddress.setAddress(m_ui.ipAddr->text())) {
+			return;
+		}
+
+	}
+	if (!m_window->controller()) {
+		m_window->bootBIOS();
+		if (!m_window->controller() || m_window->controller()->platform() != mPLATFORM_GBA) {
+			return;
+		}
+	}
+
+	convertAddress(&qaddress, &address);
+	CoreController::Interrupter interrupter(m_window->controller());
+	m_window->controller()->attachDolphin(address);
+
+	updateAttached();
+}
+
+void DolphinConnector::detach() {
+	if (m_window->controller()) {
+		m_window->controller()->detachDolphin();
+	}
+	updateAttached();
+}
+
+void DolphinConnector::updateAttached() {
+	bool attached = m_window->controller() && m_window->controller()->isDolphinConnected();
+	m_ui.connect->setDisabled(attached);
+	m_ui.disconnect->setEnabled(attached);
+	m_ui.specLocal->setDisabled(attached);
+	m_ui.specIPAddr->setDisabled(attached);
+}
diff --git a/src/platform/qt/DolphinConnector.h b/src/platform/qt/DolphinConnector.h
new file mode 100644
index 000000000..9b4c00132
--- /dev/null
+++ b/src/platform/qt/DolphinConnector.h
@@ -0,0 +1,33 @@
+/* Copyright (c) 2013-2021 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#pragma once
+
+#include "ui_DolphinConnector.h"
+
+namespace QGBA {
+
+class Window;
+
+class DolphinConnector : public QDialog {
+Q_OBJECT
+
+public:
+	DolphinConnector(Window* window, QWidget* parent = nullptr);
+
+public slots:
+	void attach();
+	void detach();
+
+private slots:
+	void updateAttached();
+
+private:
+	Ui::DolphinConnector m_ui;
+
+	Window* m_window;
+};
+
+}
diff --git a/src/platform/qt/DolphinConnector.ui b/src/platform/qt/DolphinConnector.ui
new file mode 100644
index 000000000..d44b6f9d5
--- /dev/null
+++ b/src/platform/qt/DolphinConnector.ui
@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DolphinConnector</class>
+ <widget class="QDialog" name="DolphinConnector">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>306</width>
+    <height>119</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Connect to Dolphin</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <property name="sizeConstraint">
+    <enum>QLayout::SetFixedSize</enum>
+   </property>
+   <item row="0" column="0">
+    <widget class="QRadioButton" name="specLocal">
+     <property name="text">
+      <string>Local computer</string>
+     </property>
+     <property name="checked">
+      <bool>true</bool>
+     </property>
+     <attribute name="buttonGroup">
+      <string notr="true">buttonGroup</string>
+     </attribute>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QRadioButton" name="specIPAddr">
+     <property name="text">
+      <string>IP address</string>
+     </property>
+     <attribute name="buttonGroup">
+      <string notr="true">buttonGroup</string>
+     </attribute>
+    </widget>
+   </item>
+   <item row="2" column="0" colspan="2">
+    <widget class="QLineEdit" name="ipAddr">
+     <property name="enabled">
+      <bool>false</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0" colspan="2">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QPushButton" name="connect">
+       <property name="text">
+        <string>Connect</string>
+       </property>
+       <property name="icon">
+        <iconset theme="network-connect"/>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="disconnect">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+       <property name="text">
+        <string>Disconnect</string>
+       </property>
+       <property name="icon">
+        <iconset theme="network-disconnect"/>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="close">
+       <property name="text">
+        <string>Close</string>
+       </property>
+       <property name="icon">
+        <iconset theme="window-close"/>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>close</sender>
+   <signal>clicked()</signal>
+   <receiver>DolphinConnector</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>256</x>
+     <y>119</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>152</x>
+     <y>72</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>specIPAddr</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>ipAddr</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>152</x>
+     <y>43</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>152</x>
+     <y>49</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <buttongroups>
+  <buttongroup name="buttonGroup"/>
+ </buttongroups>
+</ui>
diff --git a/src/platform/qt/Window.cpp b/src/platform/qt/Window.cpp
index d353fc9ac..52a47041f 100644
--- a/src/platform/qt/Window.cpp
+++ b/src/platform/qt/Window.cpp
@@ -29,6 +29,7 @@
 #include "DebuggerConsole.h"
 #include "DebuggerConsoleController.h"
 #include "Display.h"
+#include "DolphinConnector.h"
 #include "CoreController.h"
 #include "FrameView.h"
 #include "GBAApp.h"
@@ -327,6 +328,10 @@ void Window::selectROM() {
 	}
 }
 
+void Window::bootBIOS() {
+	setController(m_manager->loadBIOS(mPLATFORM_GBA, m_config->getOption("gba.bios")), QString());
+}
+
 #ifdef USE_SQLITE3
 void Window::selectROMInArchive() {
 	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), getFiltersArchive());
@@ -1097,9 +1102,7 @@ void Window::setupMenu(QMenuBar* menubar) {
 	m_actions.addAction(tr("Load &patch..."), "loadPatch", this, &Window::selectPatch, "file");
 
 #ifdef M_CORE_GBA
-	m_actions.addAction(tr("Boot BIOS"), "bootBIOS", [this]() {
-		setController(m_manager->loadBIOS(mPLATFORM_GBA, m_config->getOption("gba.bios")), QString());
-	}, "file");
+	m_actions.addAction(tr("Boot BIOS"), "bootBIOS", this, &Window::bootBIOS, "file");
 #endif
 
 	addGameAction(tr("Replace ROM..."), "replaceROM", this, &Window::replaceROM, "file");
@@ -1192,16 +1195,10 @@ void Window::setupMenu(QMenuBar* menubar) {
 		GBAApp::app()->newWindow();
 	}, "file");
 
-	Action* dolphin = m_actions.addAction(tr("Connect to Dolphin"), "connectDolphin", [this]() {
-		CoreController::Interrupter interrupter;
-		if (m_controller) {
-			interrupter.interrupt(m_controller);
-		} else {
-			setController(m_manager->loadBIOS(mPLATFORM_GBA, m_config->getOption("gba.bios")), QString());
-		}
-		m_controller->connectDolphin(0x0100007F);
-	}, "file");
+#ifdef M_CORE_GBA
+	Action* dolphin = m_actions.addAction(tr("Connect to Dolphin..."), "connectDolphin", openTView<DolphinConnector>(this), "file");
 	m_platformActions.insert(mPLATFORM_GBA, dolphin);
+#endif
 
 #ifndef Q_OS_MAC
 	m_actions.addSeparator("file");
diff --git a/src/platform/qt/Window.h b/src/platform/qt/Window.h
index 790af9ff6..90f9dbab5 100644
--- a/src/platform/qt/Window.h
+++ b/src/platform/qt/Window.h
@@ -72,6 +72,7 @@ signals:
 public slots:
 	void setController(CoreController* controller, const QString& fname);
 	void selectROM();
+	void bootBIOS();
 #ifdef USE_SQLITE3
 	void selectROMInArchive();
 	void addDirToLibrary();