Merge branch 'master' of https://github.com/tildearrow/furnace into es5506_alt

* 'master' of https://github.com/tildearrow/furnace:
  dev94 - add a full linear pitch mode, part 1
  YM2610(B): use f-num/block baseFreq calculation
  GUI: remove insLoadAlwaysReplace setting
  GUI: right click menu for open instrument
  GUI: add a threshold for macro right click
  OPZ: remove debug printf
  GUI: add macro right click menu
  GUI: prepare for macro right click menu
  update gitignore
  add something
  prepare for something
  did i fix macOS build?
  GUI: macro edit improvements

.gitignore

@@ -12,5 +12,8 @@ linuxbuild/
 test/songs/
 test/delta/
 test/result/
+android/.gradle/
+android/app/build/
+android/app/.cxx/
 .vs/
 CMakeSettings.json

CMakeLists.txt

@@ -17,18 +17,17 @@ set(CMAKE_PROJECT_VERSION_MAJOR 0)
 set(CMAKE_PROJECT_VERSION_MINOR 6)
 set(CMAKE_PROJECT_VERSION_PATCH 0)
 
+set(BUILD_GUI_DEFAULT ON)
+set(SYSTEM_SDL2_DEFAULT OFF)
+
 if (ANDROID)
-  set(BUILD_GUI_DEFAULT OFF)
   set(USE_RTMIDI_DEFAULT OFF)
-  set(SYSTEM_SDL2_DEFAULT ON)
 else()
-  set(BUILD_GUI_DEFAULT ON)
   set(USE_RTMIDI_DEFAULT ON)
-  set(SYSTEM_SDL2_DEFAULT OFF)
 endif()
 
 find_package(PkgConfig)
-if (PKG_CONFIG_FOUND)
+if (PKG_CONFIG_FOUND AND NOT ANDROID)
   pkg_check_modules(JACK jack)
   set(WITH_JACK_DEFAULT ${JACK_FOUND})
 else()
@@ -168,8 +167,13 @@ if (SYSTEM_SDL2)
   endif()
   message(STATUS "Using system-installed SDL2")
 else()
+  if (ANDROID)
+    set(SDL_SHARED ON CACHE BOOL "Force no dynamically-linked SDL" FORCE)
+    set(SDL_STATIC OFF CACHE BOOL "Force statically-linked SDL" FORCE)
+  else()
     set(SDL_SHARED OFF CACHE BOOL "Force no dynamically-linked SDL" FORCE)
     set(SDL_STATIC ON CACHE BOOL "Force statically-linked SDL" FORCE)
+  endif()
   # https://github.com/libsdl-org/SDL/issues/1481
   # On 2014-06-22 17:15:50 +0000, Sam Lantinga wrote:
   #   If you link SDL statically, you also need to define HAVE_LIBC so it builds with the C runtime that your application uses.
@@ -177,7 +181,11 @@ else()
   set(SDL_LIBC ON CACHE BOOL "Tell SDL that we want it to use our C runtime (required for proper static linking)" FORCE)
   add_subdirectory(extern/SDL EXCLUDE_FROM_ALL)
   list(APPEND DEPENDENCIES_INCLUDE_DIRS extern/SDL/include)
+  if (ANDROID)
+    list(APPEND DEPENDENCIES_LIBRARIES SDL2)
+  else()
     list(APPEND DEPENDENCIES_LIBRARIES SDL2-static)
+  endif()
   # Work around add_subdirectory'd SDL not propagating HAVE_LIBC to MSVC furnace build
   if (MSVC)
     list(APPEND DEPENDENCIES_COMPILE_OPTIONS "/DHAVE_LIBC")
@@ -508,6 +516,8 @@ endif()
 
 if (MSVC)
   add_executable(furnace WIN32 ${USED_SOURCES})
+elseif(ANDROID)
+  add_library(furnace SHARED ${USED_SOURCES})
 else()
   add_executable(furnace ${USED_SOURCES})
 endif()
@@ -529,9 +539,10 @@ if (PKG_CONFIG_FOUND AND (SYSTEM_FMT OR SYSTEM_LIBSNDFILE OR SYSTEM_ZLIB OR SYST
   endif()
 endif()
 
-install(TARGETS furnace RUNTIME DESTINATION bin)
+if (NOT ANDROID)
+  install(TARGETS furnace RUNTIME DESTINATION bin)
   
-if (NOT WIN32 AND NOT APPLE)
+  if (NOT WIN32 AND NOT APPLE)
     include(GNUInstallDirs)
     install(FILES res/furnace.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications)
     install(FILES res/furnace.appdata.xml DESTINATION ${CMAKE_INSTALL_DATADIR}/metainfo)
@@ -539,13 +550,13 @@ if (NOT WIN32 AND NOT APPLE)
     install(FILES LICENSE DESTINATION ${CMAKE_INSTALL_DATADIR}/licenses/furnace)
     install(DIRECTORY demos DESTINATION ${CMAKE_INSTALL_DATADIR}/furnace)
     install(FILES res/logo.png RENAME furnace.png DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/1024x1024/apps)
-endif()
+  endif()
   
-set(CPACK_PACKAGE_NAME "Furnace")
+  set(CPACK_PACKAGE_NAME "Furnace")
-set(CPACK_PACKAGE_VENDOR "tildearrow")
+  set(CPACK_PACKAGE_VENDOR "tildearrow")
-set(CPACK_PACKAGE_DESCRIPTION "free and open-source chiptune tracker")
+  set(CPACK_PACKAGE_DESCRIPTION "free and open-source chiptune tracker")
   
-if (APPLE)
+  if (APPLE)
     set(CPACK_GENERATOR Bundle)
     set(CPACK_DMG_SLA_DIR ${CMAKE_SOURCE_DIR}/res/macLicense)
     set(CPACK_DMG_SLA_LANGUAGES en)
@@ -554,6 +565,7 @@ if (APPLE)
     set(CPACK_BUNDLE_PLIST ${CMAKE_SOURCE_DIR}/res/Info.plist)
     set(CPACK_BUNDLE_ICON ${CMAKE_SOURCE_DIR}/res/icon.icns)
     set(CPACK_BUNDLE_STARTUP_COMMAND "furnace")
-endif()
+  endif()
   
-include(CPack)
+  include(CPack)
+endif()

TODO.md

@@ -23,7 +23,6 @@
 - scroll instrument/wave/sample list when selecting item
 - unified data view
 - volume commands should work on Game Boy
-- macro editor menu
 - add another FM editor layout
 - try to find out why does VSlider not accept keyboard input
 - finish lock layout

android/app/build.gradle

@@ -0,0 +1,64 @@
+def buildAsLibrary = project.hasProperty('BUILD_AS_LIBRARY');
+def buildAsApplication = !buildAsLibrary
+if (buildAsApplication) {
+    apply plugin: 'com.android.application'
+}
+else {
+    apply plugin: 'com.android.library'
+}
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        if (buildAsApplication) {
+            applicationId "org.tildearrow.furnace"
+        }
+        minSdkVersion 21
+        targetSdkVersion 26
+        versionCode 93
+        versionName "0.6pre1"
+        externalNativeBuild {
+            cmake {
+                arguments "-DANDROID_APP_PLATFORM=android-21", "-DANDROID_STL=c++_static"
+                // abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
+                abiFilters 'arm64-v8a'
+            }
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    if (!project.hasProperty('EXCLUDE_NATIVE_LIBS')) {
+        sourceSets.main {
+            jniLibs.srcDir 'libs'
+        }
+        externalNativeBuild {
+            cmake {
+                path 'jni/CMakeLists.txt'
+            }
+        }
+       
+    }
+    lintOptions {
+        abortOnError false
+    }
+    
+    if (buildAsLibrary) {
+        libraryVariants.all { variant ->
+            variant.outputs.each { output ->
+                def outputFile = output.outputFile
+                if (outputFile != null && outputFile.name.endsWith(".aar")) {
+                    def fileName = "org.libsdl.app.aar";
+                    output.outputFile = new File(outputFile.parent, fileName);
+                }
+            }
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+}

android/app/jni

@@ -0,0 +1 @@
+../../

android/app/proguard-rules.pro

@@ -0,0 +1,17 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in [sdk]/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.tildearrow.furnace"
+    android:versionCode="93"
+    android:versionName="0.6pre1"
+    android:installLocation="auto">
+
+    <!-- OpenGL ES 2.0 -->
+    <uses-feature android:glEsVersion="0x00020000" />
+
+    <!-- Touchscreen support -->
+    <uses-feature
+        android:name="android.hardware.touchscreen"
+        android:required="false" />
+
+    <!-- Game controller support -->
+    <uses-feature
+        android:name="android.hardware.bluetooth"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.gamepad"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.usb.host"
+        android:required="false" />
+
+    <!-- External mouse input events -->
+    <uses-feature
+        android:name="android.hardware.type.pc"
+        android:required="false" />
+
+    <!-- Audio recording support -->
+    <!-- if you want to capture audio, uncomment this. -->
+    <!-- <uses-feature
+        android:name="android.hardware.microphone"
+        android:required="false" /> -->
+
+    <!-- Allow downloading to the external storage on Android 5.1 and older -->
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+    <!-- Allow access to Bluetooth devices -->
+    <!-- Currently this is just for Steam Controller support and requires setting SDL_HINT_JOYSTICK_HIDAPI_STEAM -->
+    <!-- <uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30" /> -->
+    <!-- <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" /> -->
+
+    <!-- Allow access to the vibrator -->
+    <uses-permission android:name="android.permission.VIBRATE" />
+
+    <!-- if you want to capture audio, uncomment this. -->
+    <!-- <uses-permission android:name="android.permission.RECORD_AUDIO" /> -->
+
+    <!-- Create a Java class extending SDLActivity and place it in a
+         directory under app/src/main/java matching the package, e.g. app/src/main/java/com/gamemaker/game/MyGame.java
+ 
+         then replace "SDLActivity" with the name of your class (e.g. "MyGame")
+         in the XML below.
+
+         An example Java class can be found in README-android.md
+    -->
+    <application android:label="@string/app_name"
+        android:icon="@mipmap/ic_launcher"
+        android:allowBackup="true"
+        android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
+        android:hardwareAccelerated="true" >
+
+        <!-- Example of setting SDL hints from AndroidManifest.xml:
+        <meta-data android:name="SDL_ENV.SDL_ACCELEROMETER_AS_JOYSTICK" android:value="0"/>
+         -->
+     
+        <activity android:name="MainActivity"
+            android:label="@string/app_name"
+            android:alwaysRetainTaskState="true"
+            android:launchMode="singleInstance"
+            android:configChanges="layoutDirection|locale|orientation|uiMode|screenLayout|screenSize|smallestScreenSize|keyboard|keyboardHidden|navigation"
+            android:exported="true"
+            >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <!-- Let Android know that we can handle some USB devices and should receive this event -->
+            <intent-filter>
+                <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
+            </intent-filter>
+            <!-- Drop file event -->
+            <!--
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="*/*" />
+            </intent-filter>
+            -->
+        </activity>
+    </application>
+
+</manifest>

android/app/src/main/java/org/libsdl/app/HIDDevice.java

@@ -0,0 +1,22 @@
+package org.libsdl.app;
+
+import android.hardware.usb.UsbDevice;
+
+interface HIDDevice
+{
+    public int getId();
+    public int getVendorId();
+    public int getProductId();
+    public String getSerialNumber();
+    public int getVersion();
+    public String getManufacturerName();
+    public String getProductName();
+    public UsbDevice getDevice();
+    public boolean open();
+    public int sendFeatureReport(byte[] report);
+    public int sendOutputReport(byte[] report);
+    public boolean getFeatureReport(byte[] report);
+    public void setFrozen(boolean frozen);
+    public void close();
+    public void shutdown();
+}

android/app/src/main/java/org/libsdl/app/HIDDeviceBLESteamController.java

@@ -0,0 +1,650 @@
+package org.libsdl.app;
+
+import android.content.Context;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothGatt;
+import android.bluetooth.BluetoothGattCallback;
+import android.bluetooth.BluetoothGattCharacteristic;
+import android.bluetooth.BluetoothGattDescriptor;
+import android.bluetooth.BluetoothManager;
+import android.bluetooth.BluetoothProfile;
+import android.bluetooth.BluetoothGattService;
+import android.hardware.usb.UsbDevice;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+import android.os.*;
+
+//import com.android.internal.util.HexDump;
+
+import java.lang.Runnable;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.UUID;
+
+class HIDDeviceBLESteamController extends BluetoothGattCallback implements HIDDevice {
+
+    private static final String TAG = "hidapi";
+    private HIDDeviceManager mManager;
+    private BluetoothDevice mDevice;
+    private int mDeviceId;
+    private BluetoothGatt mGatt;
+    private boolean mIsRegistered = false;
+    private boolean mIsConnected = false;
+    private boolean mIsChromebook = false;
+    private boolean mIsReconnecting = false;
+    private boolean mFrozen = false;
+    private LinkedList<GattOperation> mOperations;
+    GattOperation mCurrentOperation = null;
+    private Handler mHandler;
+
+    private static final int TRANSPORT_AUTO = 0;
+    private static final int TRANSPORT_BREDR = 1;
+    private static final int TRANSPORT_LE = 2;
+
+    private static final int CHROMEBOOK_CONNECTION_CHECK_INTERVAL = 10000;
+
+    static public final UUID steamControllerService = UUID.fromString("100F6C32-1735-4313-B402-38567131E5F3");
+    static public final UUID inputCharacteristic = UUID.fromString("100F6C33-1735-4313-B402-38567131E5F3");
+    static public final UUID reportCharacteristic = UUID.fromString("100F6C34-1735-4313-B402-38567131E5F3");
+    static private final byte[] enterValveMode = new byte[] { (byte)0xC0, (byte)0x87, 0x03, 0x08, 0x07, 0x00 };
+
+    static class GattOperation {
+        private enum Operation {
+            CHR_READ,
+            CHR_WRITE,
+            ENABLE_NOTIFICATION
+        }
+
+        Operation mOp;
+        UUID mUuid;
+        byte[] mValue;
+        BluetoothGatt mGatt;
+        boolean mResult = true;
+
+        private GattOperation(BluetoothGatt gatt, GattOperation.Operation operation, UUID uuid) {
+            mGatt = gatt;
+            mOp = operation;
+            mUuid = uuid;
+        }
+
+        private GattOperation(BluetoothGatt gatt, GattOperation.Operation operation, UUID uuid, byte[] value) {
+            mGatt = gatt;
+            mOp = operation;
+            mUuid = uuid;
+            mValue = value;
+        }
+
+        public void run() {
+            // This is executed in main thread
+            BluetoothGattCharacteristic chr;
+
+            switch (mOp) {
+                case CHR_READ:
+                    chr = getCharacteristic(mUuid);
+                    //Log.v(TAG, "Reading characteristic " + chr.getUuid());
+                    if (!mGatt.readCharacteristic(chr)) {
+                        Log.e(TAG, "Unable to read characteristic " + mUuid.toString());
+                        mResult = false;
+                        break;
+                    }
+                    mResult = true;
+                    break;
+                case CHR_WRITE:
+                    chr = getCharacteristic(mUuid);
+                    //Log.v(TAG, "Writing characteristic " + chr.getUuid() + " value=" + HexDump.toHexString(value));
+                    chr.setValue(mValue);
+                    if (!mGatt.writeCharacteristic(chr)) {
+                        Log.e(TAG, "Unable to write characteristic " + mUuid.toString());
+                        mResult = false;
+                        break;
+                    }
+                    mResult = true;
+                    break;
+                case ENABLE_NOTIFICATION:
+                    chr = getCharacteristic(mUuid);
+                    //Log.v(TAG, "Writing descriptor of " + chr.getUuid());
+                    if (chr != null) {
+                        BluetoothGattDescriptor cccd = chr.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
+                        if (cccd != null) {
+                            int properties = chr.getProperties();
+                            byte[] value;
+                            if ((properties & BluetoothGattCharacteristic.PROPERTY_NOTIFY) == BluetoothGattCharacteristic.PROPERTY_NOTIFY) {
+                                value = BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE;
+                            } else if ((properties & BluetoothGattCharacteristic.PROPERTY_INDICATE) == BluetoothGattCharacteristic.PROPERTY_INDICATE) {
+                                value = BluetoothGattDescriptor.ENABLE_INDICATION_VALUE;
+                            } else {
+                                Log.e(TAG, "Unable to start notifications on input characteristic");
+                                mResult = false;
+                                return;
+                            }
+
+                            mGatt.setCharacteristicNotification(chr, true);
+                            cccd.setValue(value);
+                            if (!mGatt.writeDescriptor(cccd)) {
+                                Log.e(TAG, "Unable to write descriptor " + mUuid.toString());
+                                mResult = false;
+                                return;
+                            }
+                            mResult = true;
+                        }
+                    }
+            }
+        }
+
+        public boolean finish() {
+            return mResult;
+        }
+
+        private BluetoothGattCharacteristic getCharacteristic(UUID uuid) {
+            BluetoothGattService valveService = mGatt.getService(steamControllerService);
+            if (valveService == null)
+                return null;
+            return valveService.getCharacteristic(uuid);
+        }
+
+        static public GattOperation readCharacteristic(BluetoothGatt gatt, UUID uuid) {
+            return new GattOperation(gatt, Operation.CHR_READ, uuid);
+        }
+
+        static public GattOperation writeCharacteristic(BluetoothGatt gatt, UUID uuid, byte[] value) {
+            return new GattOperation(gatt, Operation.CHR_WRITE, uuid, value);
+        }
+
+        static public GattOperation enableNotification(BluetoothGatt gatt, UUID uuid) {
+            return new GattOperation(gatt, Operation.ENABLE_NOTIFICATION, uuid);
+        }
+    }
+
+    public HIDDeviceBLESteamController(HIDDeviceManager manager, BluetoothDevice device) {
+        mManager = manager;
+        mDevice = device;
+        mDeviceId = mManager.getDeviceIDForIdentifier(getIdentifier());
+        mIsRegistered = false;
+        mIsChromebook = mManager.getContext().getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
+        mOperations = new LinkedList<GattOperation>();
+        mHandler = new Handler(Looper.getMainLooper());
+
+        mGatt = connectGatt();
+        // final HIDDeviceBLESteamController finalThis = this;
+        // mHandler.postDelayed(new Runnable() {
+        //     @Override
+        //     public void run() {
+        //         finalThis.checkConnectionForChromebookIssue();
+        //     }
+        // }, CHROMEBOOK_CONNECTION_CHECK_INTERVAL);
+    }
+
+    public String getIdentifier() {
+        return String.format("SteamController.%s", mDevice.getAddress());
+    }
+
+    public BluetoothGatt getGatt() {
+        return mGatt;
+    }
+
+    // Because on Chromebooks we show up as a dual-mode device, it will attempt to connect TRANSPORT_AUTO, which will use TRANSPORT_BREDR instead
+    // of TRANSPORT_LE.  Let's force ourselves to connect low energy.
+    private BluetoothGatt connectGatt(boolean managed) {
+        if (Build.VERSION.SDK_INT >= 23) {
+            try {
+                return mDevice.connectGatt(mManager.getContext(), managed, this, TRANSPORT_LE);
+            } catch (Exception e) {
+                return mDevice.connectGatt(mManager.getContext(), managed, this);
+            }
+        } else {
+            return mDevice.connectGatt(mManager.getContext(), managed, this);
+        }
+    }
+
+    private BluetoothGatt connectGatt() {
+        return connectGatt(false);
+    }
+
+    protected int getConnectionState() {
+
+        Context context = mManager.getContext();
+        if (context == null) {
+            // We are lacking any context to get our Bluetooth information.  We'll just assume disconnected.
+            return BluetoothProfile.STATE_DISCONNECTED;
+        }
+
+        BluetoothManager btManager = (BluetoothManager)context.getSystemService(Context.BLUETOOTH_SERVICE);
+        if (btManager == null) {
+            // This device doesn't support Bluetooth.  We should never be here, because how did
+            // we instantiate a device to start with?
+            return BluetoothProfile.STATE_DISCONNECTED;
+        }
+
+        return btManager.getConnectionState(mDevice, BluetoothProfile.GATT);
+    }
+
+    public void reconnect() {
+
+        if (getConnectionState() != BluetoothProfile.STATE_CONNECTED) {
+            mGatt.disconnect();
+            mGatt = connectGatt();
+        }
+
+    }
+
+    protected void checkConnectionForChromebookIssue() {
+        if (!mIsChromebook) {
+            // We only do this on Chromebooks, because otherwise it's really annoying to just attempt
+            // over and over.
+            return;
+        }
+
+        int connectionState = getConnectionState();
+
+        switch (connectionState) {
+            case BluetoothProfile.STATE_CONNECTED:
+                if (!mIsConnected) {
+                    // We are in the Bad Chromebook Place.  We can force a disconnect
+                    // to try to recover.
+                    Log.v(TAG, "Chromebook: We are in a very bad state; the controller shows as connected in the underlying Bluetooth layer, but we never received a callback.  Forcing a reconnect.");
+                    mIsReconnecting = true;
+                    mGatt.disconnect();
+                    mGatt = connectGatt(false);
+                    break;
+                }
+                else if (!isRegistered()) {
+                    if (mGatt.getServices().size() > 0) {
+                        Log.v(TAG, "Chromebook: We are connected to a controller, but never got our registration.  Trying to recover.");
+                        probeService(this);
+                    }
+                    else {
+                        Log.v(TAG, "Chromebook: We are connected to a controller, but never discovered services.  Trying to recover.");
+                        mIsReconnecting = true;
+                        mGatt.disconnect();
+                        mGatt = connectGatt(false);
+                        break;
+                    }
+                }
+                else {
+                    Log.v(TAG, "Chromebook: We are connected, and registered.  Everything's good!");
+                    return;
+                }
+                break;
+
+            case BluetoothProfile.STATE_DISCONNECTED:
+                Log.v(TAG, "Chromebook: We have either been disconnected, or the Chromebook BtGatt.ContextMap bug has bitten us.  Attempting a disconnect/reconnect, but we may not be able to recover.");
+
+                mIsReconnecting = true;
+                mGatt.disconnect();
+                mGatt = connectGatt(false);
+                break;
+
+            case BluetoothProfile.STATE_CONNECTING:
+                Log.v(TAG, "Chromebook: We're still trying to connect.  Waiting a bit longer.");
+                break;
+        }
+
+        final HIDDeviceBLESteamController finalThis = this;
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                finalThis.checkConnectionForChromebookIssue();
+            }
+        }, CHROMEBOOK_CONNECTION_CHECK_INTERVAL);
+    }
+
+    private boolean isRegistered() {
+        return mIsRegistered;
+    }
+
+    private void setRegistered() {
+        mIsRegistered = true;
+    }
+
+    private boolean probeService(HIDDeviceBLESteamController controller) {
+
+        if (isRegistered()) {
+            return true;
+        }
+
+        if (!mIsConnected) {
+            return false;
+        }
+
+        Log.v(TAG, "probeService controller=" + controller);
+
+        for (BluetoothGattService service : mGatt.getServices()) {
+            if (service.getUuid().equals(steamControllerService)) {
+                Log.v(TAG, "Found Valve steam controller service " + service.getUuid());
+
+                for (BluetoothGattCharacteristic chr : service.getCharacteristics()) {
+                    if (chr.getUuid().equals(inputCharacteristic)) {
+                        Log.v(TAG, "Found input characteristic");
+                        // Start notifications
+                        BluetoothGattDescriptor cccd = chr.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
+                        if (cccd != null) {
+                            enableNotification(chr.getUuid());
+                        }
+                    }
+                }
+                return true;
+            }
+        }
+
+        if ((mGatt.getServices().size() == 0) && mIsChromebook && !mIsReconnecting) {
+            Log.e(TAG, "Chromebook: Discovered services were empty; this almost certainly means the BtGatt.ContextMap bug has bitten us.");
+            mIsConnected = false;
+            mIsReconnecting = true;
+            mGatt.disconnect();
+            mGatt = connectGatt(false);
+        }
+
+        return false;
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private void finishCurrentGattOperation() {
+        GattOperation op = null;
+        synchronized (mOperations) {
+            if (mCurrentOperation != null) {
+                op = mCurrentOperation;
+                mCurrentOperation = null;
+            }
+        }
+        if (op != null) {
+            boolean result = op.finish(); // TODO: Maybe in main thread as well?
+
+            // Our operation failed, let's add it back to the beginning of our queue.
+            if (!result) {
+                mOperations.addFirst(op);
+            }
+        }
+        executeNextGattOperation();
+    }
+
+    private void executeNextGattOperation() {
+        synchronized (mOperations) {
+            if (mCurrentOperation != null)
+                return;
+
+            if (mOperations.isEmpty())
+                return;
+
+            mCurrentOperation = mOperations.removeFirst();
+        }
+
+        // Run in main thread
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                synchronized (mOperations) {
+                    if (mCurrentOperation == null) {
+                        Log.e(TAG, "Current operation null in executor?");
+                        return;
+                    }
+
+                    mCurrentOperation.run();
+                    // now wait for the GATT callback and when it comes, finish this operation
+                }
+            }
+        });
+    }
+
+    private void queueGattOperation(GattOperation op) {
+        synchronized (mOperations) {
+            mOperations.add(op);
+        }
+        executeNextGattOperation();
+    }
+
+    private void enableNotification(UUID chrUuid) {
+        GattOperation op = HIDDeviceBLESteamController.GattOperation.enableNotification(mGatt, chrUuid);
+        queueGattOperation(op);
+    }
+
+    public void writeCharacteristic(UUID uuid, byte[] value) {
+        GattOperation op = HIDDeviceBLESteamController.GattOperation.writeCharacteristic(mGatt, uuid, value);
+        queueGattOperation(op);
+    }
+
+    public void readCharacteristic(UUID uuid) {
+        GattOperation op = HIDDeviceBLESteamController.GattOperation.readCharacteristic(mGatt, uuid);
+        queueGattOperation(op);
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////  BluetoothGattCallback overridden methods
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onConnectionStateChange(BluetoothGatt g, int status, int newState) {
+        //Log.v(TAG, "onConnectionStateChange status=" + status + " newState=" + newState);
+        mIsReconnecting = false;
+        if (newState == 2) {
+            mIsConnected = true;
+            // Run directly, without GattOperation
+            if (!isRegistered()) {
+                mHandler.post(new Runnable() {
+                    @Override
+                    public void run() {
+                        mGatt.discoverServices();
+                    }
+                });
+            }
+        } 
+        else if (newState == 0) {
+            mIsConnected = false;
+        }
+
+        // Disconnection is handled in SteamLink using the ACTION_ACL_DISCONNECTED Intent.
+    }
+
+    public void onServicesDiscovered(BluetoothGatt gatt, int status) {
+        //Log.v(TAG, "onServicesDiscovered status=" + status);
+        if (status == 0) {
+            if (gatt.getServices().size() == 0) {
+                Log.v(TAG, "onServicesDiscovered returned zero services; something has gone horribly wrong down in Android's Bluetooth stack.");
+                mIsReconnecting = true;
+                mIsConnected = false;
+                gatt.disconnect();
+                mGatt = connectGatt(false);
+            }
+            else {
+                probeService(this);
+            }
+        }
+    }
+
+    public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
+        //Log.v(TAG, "onCharacteristicRead status=" + status + " uuid=" + characteristic.getUuid());
+
+        if (characteristic.getUuid().equals(reportCharacteristic) && !mFrozen) {
+            mManager.HIDDeviceFeatureReport(getId(), characteristic.getValue());
+        }
+
+        finishCurrentGattOperation();
+    }
+
+    public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
+        //Log.v(TAG, "onCharacteristicWrite status=" + status + " uuid=" + characteristic.getUuid());
+
+        if (characteristic.getUuid().equals(reportCharacteristic)) {
+            // Only register controller with the native side once it has been fully configured
+            if (!isRegistered()) {
+                Log.v(TAG, "Registering Steam Controller with ID: " + getId());
+                mManager.HIDDeviceConnected(getId(), getIdentifier(), getVendorId(), getProductId(), getSerialNumber(), getVersion(), getManufacturerName(), getProductName(), 0, 0, 0, 0);
+                setRegistered();
+            }
+        }
+
+        finishCurrentGattOperation();
+    }
+
+    public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
+    // Enable this for verbose logging of controller input reports
+        //Log.v(TAG, "onCharacteristicChanged uuid=" + characteristic.getUuid() + " data=" + HexDump.dumpHexString(characteristic.getValue()));
+
+        if (characteristic.getUuid().equals(inputCharacteristic) && !mFrozen) {
+            mManager.HIDDeviceInputReport(getId(), characteristic.getValue());
+        }
+    }
+
+    public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
+        //Log.v(TAG, "onDescriptorRead status=" + status);
+    }
+
+    public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
+        BluetoothGattCharacteristic chr = descriptor.getCharacteristic();
+        //Log.v(TAG, "onDescriptorWrite status=" + status + " uuid=" + chr.getUuid() + " descriptor=" + descriptor.getUuid());
+
+        if (chr.getUuid().equals(inputCharacteristic)) {
+            boolean hasWrittenInputDescriptor = true;
+            BluetoothGattCharacteristic reportChr = chr.getService().getCharacteristic(reportCharacteristic);
+            if (reportChr != null) {
+                Log.v(TAG, "Writing report characteristic to enter valve mode");
+                reportChr.setValue(enterValveMode);
+                gatt.writeCharacteristic(reportChr);
+            }
+        }
+
+        finishCurrentGattOperation();
+    }
+
+    public void onReliableWriteCompleted(BluetoothGatt gatt, int status) {
+        //Log.v(TAG, "onReliableWriteCompleted status=" + status);
+    }
+
+    public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
+        //Log.v(TAG, "onReadRemoteRssi status=" + status);
+    }
+
+    public void onMtuChanged(BluetoothGatt gatt, int mtu, int status) {
+        //Log.v(TAG, "onMtuChanged status=" + status);
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////// Public API
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public int getId() {
+        return mDeviceId;
+    }
+
+    @Override
+    public int getVendorId() {
+        // Valve Corporation
+        final int VALVE_USB_VID = 0x28DE;
+        return VALVE_USB_VID;
+    }
+
+    @Override
+    public int getProductId() {
+        // We don't have an easy way to query from the Bluetooth device, but we know what it is
+        final int D0G_BLE2_PID = 0x1106;
+        return D0G_BLE2_PID;
+    }
+
+    @Override
+    public String getSerialNumber() {
+        // This will be read later via feature report by Steam
+        return "12345";
+    }
+
+    @Override
+    public int getVersion() {
+        return 0;
+    }
+
+    @Override
+    public String getManufacturerName() {
+        return "Valve Corporation";
+    }
+
+    @Override
+    public String getProductName() {
+        return "Steam Controller";
+    }
+
+    @Override
+    public UsbDevice getDevice() {
+        return null;
+    }
+
+    @Override
+    public boolean open() {
+        return true;
+    }
+
+    @Override
+    public int sendFeatureReport(byte[] report) {
+        if (!isRegistered()) {
+            Log.e(TAG, "Attempted sendFeatureReport before Steam Controller is registered!");
+            if (mIsConnected) {
+                probeService(this);
+            }
+            return -1;
+        }
+
+        // We need to skip the first byte, as that doesn't go over the air
+        byte[] actual_report = Arrays.copyOfRange(report, 1, report.length - 1);
+        //Log.v(TAG, "sendFeatureReport " + HexDump.dumpHexString(actual_report));
+        writeCharacteristic(reportCharacteristic, actual_report);
+        return report.length;
+    }
+
+    @Override
+    public int sendOutputReport(byte[] report) {
+        if (!isRegistered()) {
+            Log.e(TAG, "Attempted sendOutputReport before Steam Controller is registered!");
+            if (mIsConnected) {
+                probeService(this);
+            }
+            return -1;
+        }
+
+        //Log.v(TAG, "sendFeatureReport " + HexDump.dumpHexString(report));
+        writeCharacteristic(reportCharacteristic, report);
+        return report.length;
+    }
+
+    @Override
+    public boolean getFeatureReport(byte[] report) {
+        if (!isRegistered()) {
+            Log.e(TAG, "Attempted getFeatureReport before Steam Controller is registered!");
+            if (mIsConnected) {
+                probeService(this);
+            }
+            return false;
+        }
+
+        //Log.v(TAG, "getFeatureReport");
+        readCharacteristic(reportCharacteristic);
+        return true;
+    }
+
+    @Override
+    public void close() {
+    }
+
+    @Override
+    public void setFrozen(boolean frozen) {
+        mFrozen = frozen;
+    }
+
+    @Override
+    public void shutdown() {
+        close();
+
+        BluetoothGatt g = mGatt;
+        if (g != null) {
+            g.disconnect();
+            g.close();
+            mGatt = null;
+        }
+        mManager = null;
+        mIsRegistered = false;
+        mIsConnected = false;
+        mOperations.clear();
+    }
+
+}
+

android/app/src/main/java/org/libsdl/app/HIDDeviceManager.java

@@ -0,0 +1,675 @@
+package org.libsdl.app;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothManager;
+import android.bluetooth.BluetoothProfile;
+import android.os.Build;
+import android.util.Log;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.hardware.usb.*;
+import android.os.Handler;
+import android.os.Looper;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+
+public class HIDDeviceManager {
+    private static final String TAG = "hidapi";
+    private static final String ACTION_USB_PERMISSION = "org.libsdl.app.USB_PERMISSION";
+
+    private static HIDDeviceManager sManager;
+    private static int sManagerRefCount = 0;
+
+    public static HIDDeviceManager acquire(Context context) {
+        if (sManagerRefCount == 0) {
+            sManager = new HIDDeviceManager(context);
+        }
+        ++sManagerRefCount;
+        return sManager;
+    }
+
+    public static void release(HIDDeviceManager manager) {
+        if (manager == sManager) {
+            --sManagerRefCount;
+            if (sManagerRefCount == 0) {
+                sManager.close();
+                sManager = null;
+            }
+        }
+    }
+
+    private Context mContext;
+    private HashMap<Integer, HIDDevice> mDevicesById = new HashMap<Integer, HIDDevice>();
+    private HashMap<BluetoothDevice, HIDDeviceBLESteamController> mBluetoothDevices = new HashMap<BluetoothDevice, HIDDeviceBLESteamController>();
+    private int mNextDeviceId = 0;
+    private SharedPreferences mSharedPreferences = null;
+    private boolean mIsChromebook = false;
+    private UsbManager mUsbManager;
+    private Handler mHandler;
+    private BluetoothManager mBluetoothManager;
+    private List<BluetoothDevice> mLastBluetoothDevices;
+
+    private final BroadcastReceiver mUsbBroadcast = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            if (action.equals(UsbManager.ACTION_USB_DEVICE_ATTACHED)) {
+                UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+                handleUsbDeviceAttached(usbDevice);
+            } else if (action.equals(UsbManager.ACTION_USB_DEVICE_DETACHED)) {
+                UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+                handleUsbDeviceDetached(usbDevice);
+            } else if (action.equals(HIDDeviceManager.ACTION_USB_PERMISSION)) {
+                UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+                handleUsbDevicePermission(usbDevice, intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false));
+            }
+        }
+    };
+
+    private final BroadcastReceiver mBluetoothBroadcast = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            // Bluetooth device was connected. If it was a Steam Controller, handle it
+            if (action.equals(BluetoothDevice.ACTION_ACL_CONNECTED)) {
+                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+                Log.d(TAG, "Bluetooth device connected: " + device);
+
+                if (isSteamController(device)) {
+                    connectBluetoothDevice(device);
+                }
+            }
+
+            // Bluetooth device was disconnected, remove from controller manager (if any)
+            if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
+                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+                Log.d(TAG, "Bluetooth device disconnected: " + device);
+
+                disconnectBluetoothDevice(device);
+            }
+        }
+    };
+
+    private HIDDeviceManager(final Context context) {
+        mContext = context;
+
+        HIDDeviceRegisterCallback();
+
+        mSharedPreferences = mContext.getSharedPreferences("hidapi", Context.MODE_PRIVATE);
+        mIsChromebook = mContext.getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
+
+//        if (shouldClear) {
+//            SharedPreferences.Editor spedit = mSharedPreferences.edit();
+//            spedit.clear();
+//            spedit.commit();
+//        }
+//        else
+        {
+            mNextDeviceId = mSharedPreferences.getInt("next_device_id", 0);
+        }
+    }
+
+    public Context getContext() {
+        return mContext;
+    }
+
+    public int getDeviceIDForIdentifier(String identifier) {
+        SharedPreferences.Editor spedit = mSharedPreferences.edit();
+
+        int result = mSharedPreferences.getInt(identifier, 0);
+        if (result == 0) {
+            result = mNextDeviceId++;
+            spedit.putInt("next_device_id", mNextDeviceId);
+        }
+
+        spedit.putInt(identifier, result);
+        spedit.commit();
+        return result;
+    }
+
+    private void initializeUSB() {
+        mUsbManager = (UsbManager)mContext.getSystemService(Context.USB_SERVICE);
+        if (mUsbManager == null) {
+            return;
+        }
+
+        /*
+        // Logging
+        for (UsbDevice device : mUsbManager.getDeviceList().values()) {
+            Log.i(TAG,"Path: " + device.getDeviceName());
+            Log.i(TAG,"Manufacturer: " + device.getManufacturerName());
+            Log.i(TAG,"Product: " + device.getProductName());
+            Log.i(TAG,"ID: " + device.getDeviceId());
+            Log.i(TAG,"Class: " + device.getDeviceClass());
+            Log.i(TAG,"Protocol: " + device.getDeviceProtocol());
+            Log.i(TAG,"Vendor ID " + device.getVendorId());
+            Log.i(TAG,"Product ID: " + device.getProductId());
+            Log.i(TAG,"Interface count: " + device.getInterfaceCount());
+            Log.i(TAG,"---------------------------------------");
+
+            // Get interface details
+            for (int index = 0; index < device.getInterfaceCount(); index++) {
+                UsbInterface mUsbInterface = device.getInterface(index);
+                Log.i(TAG,"  *****     *****");
+                Log.i(TAG,"  Interface index: " + index);
+                Log.i(TAG,"  Interface ID: " + mUsbInterface.getId());
+                Log.i(TAG,"  Interface class: " + mUsbInterface.getInterfaceClass());
+                Log.i(TAG,"  Interface subclass: " + mUsbInterface.getInterfaceSubclass());
+                Log.i(TAG,"  Interface protocol: " + mUsbInterface.getInterfaceProtocol());
+                Log.i(TAG,"  Endpoint count: " + mUsbInterface.getEndpointCount());
+
+                // Get endpoint details 
+                for (int epi = 0; epi < mUsbInterface.getEndpointCount(); epi++)
+                {
+                    UsbEndpoint mEndpoint = mUsbInterface.getEndpoint(epi);
+                    Log.i(TAG,"    ++++   ++++   ++++");
+                    Log.i(TAG,"    Endpoint index: " + epi);
+                    Log.i(TAG,"    Attributes: " + mEndpoint.getAttributes());
+                    Log.i(TAG,"    Direction: " + mEndpoint.getDirection());
+                    Log.i(TAG,"    Number: " + mEndpoint.getEndpointNumber());
+                    Log.i(TAG,"    Interval: " + mEndpoint.getInterval());
+                    Log.i(TAG,"    Packet size: " + mEndpoint.getMaxPacketSize());
+                    Log.i(TAG,"    Type: " + mEndpoint.getType());
+                }
+            }
+        }
+        Log.i(TAG," No more devices connected.");
+        */
+
+        // Register for USB broadcasts and permission completions
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
+        filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
+        filter.addAction(HIDDeviceManager.ACTION_USB_PERMISSION);
+        mContext.registerReceiver(mUsbBroadcast, filter);
+
+        for (UsbDevice usbDevice : mUsbManager.getDeviceList().values()) {
+            handleUsbDeviceAttached(usbDevice);
+        }
+    }
+
+    UsbManager getUSBManager() {
+        return mUsbManager;
+    }
+
+    private void shutdownUSB() {
+        try {
+            mContext.unregisterReceiver(mUsbBroadcast);
+        } catch (Exception e) {
+            // We may not have registered, that's okay
+        }
+    }
+
+    private boolean isHIDDeviceInterface(UsbDevice usbDevice, UsbInterface usbInterface) {
+        if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_HID) {
+            return true;
+        }
+        if (isXbox360Controller(usbDevice, usbInterface) || isXboxOneController(usbDevice, usbInterface)) {
+            return true;
+        }
+        return false;
+    }
+
+    private boolean isXbox360Controller(UsbDevice usbDevice, UsbInterface usbInterface) {
+        final int XB360_IFACE_SUBCLASS = 93;
+        final int XB360_IFACE_PROTOCOL = 1; // Wired
+        final int XB360W_IFACE_PROTOCOL = 129; // Wireless
+        final int[] SUPPORTED_VENDORS = {
+            0x0079, // GPD Win 2
+            0x044f, // Thrustmaster
+            0x045e, // Microsoft
+            0x046d, // Logitech
+            0x056e, // Elecom
+            0x06a3, // Saitek
+            0x0738, // Mad Catz
+            0x07ff, // Mad Catz
+            0x0e6f, // PDP
+            0x0f0d, // Hori
+            0x1038, // SteelSeries
+            0x11c9, // Nacon
+            0x12ab, // Unknown
+            0x1430, // RedOctane
+            0x146b, // BigBen
+            0x1532, // Razer Sabertooth
+            0x15e4, // Numark
+            0x162e, // Joytech
+            0x1689, // Razer Onza
+            0x1949, // Lab126, Inc.
+            0x1bad, // Harmonix
+            0x24c6, // PowerA
+        };
+
+        if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
+            usbInterface.getInterfaceSubclass() == XB360_IFACE_SUBCLASS &&
+            (usbInterface.getInterfaceProtocol() == XB360_IFACE_PROTOCOL ||
+             usbInterface.getInterfaceProtocol() == XB360W_IFACE_PROTOCOL)) {
+            int vendor_id = usbDevice.getVendorId();
+            for (int supportedVid : SUPPORTED_VENDORS) {
+                if (vendor_id == supportedVid) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    private boolean isXboxOneController(UsbDevice usbDevice, UsbInterface usbInterface) {
+        final int XB1_IFACE_SUBCLASS = 71;
+        final int XB1_IFACE_PROTOCOL = 208;
+        final int[] SUPPORTED_VENDORS = {
+            0x045e, // Microsoft
+            0x0738, // Mad Catz
+            0x0e6f, // PDP
+            0x0f0d, // Hori
+            0x1532, // Razer Wildcat
+            0x24c6, // PowerA
+            0x2e24, // Hyperkin
+        };
+
+        if (usbInterface.getId() == 0 &&
+            usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
+            usbInterface.getInterfaceSubclass() == XB1_IFACE_SUBCLASS &&
+            usbInterface.getInterfaceProtocol() == XB1_IFACE_PROTOCOL) {
+            int vendor_id = usbDevice.getVendorId();
+            for (int supportedVid : SUPPORTED_VENDORS) {
+                if (vendor_id == supportedVid) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    private void handleUsbDeviceAttached(UsbDevice usbDevice) {
+        connectHIDDeviceUSB(usbDevice);
+    }
+
+    private void handleUsbDeviceDetached(UsbDevice usbDevice) {
+        List<Integer> devices = new ArrayList<Integer>();
+        for (HIDDevice device : mDevicesById.values()) {
+            if (usbDevice.equals(device.getDevice())) {
+                devices.add(device.getId());
+            }
+        }
+        for (int id : devices) {
+            HIDDevice device = mDevicesById.get(id);
+            mDevicesById.remove(id);
+            device.shutdown();
+            HIDDeviceDisconnected(id);
+        }
+    }
+
+    private void handleUsbDevicePermission(UsbDevice usbDevice, boolean permission_granted) {
+        for (HIDDevice device : mDevicesById.values()) {
+            if (usbDevice.equals(device.getDevice())) {
+                boolean opened = false;
+                if (permission_granted) {
+                    opened = device.open();
+                }
+                HIDDeviceOpenResult(device.getId(), opened);
+            }
+        }
+    }
+
+    private void connectHIDDeviceUSB(UsbDevice usbDevice) {
+        synchronized (this) {
+            int interface_mask = 0;
+            for (int interface_index = 0; interface_index < usbDevice.getInterfaceCount(); interface_index++) {
+                UsbInterface usbInterface = usbDevice.getInterface(interface_index);
+                if (isHIDDeviceInterface(usbDevice, usbInterface)) {
+                    // Check to see if we've already added this interface
+                    // This happens with the Xbox Series X controller which has a duplicate interface 0, which is inactive
+                    int interface_id = usbInterface.getId();
+                    if ((interface_mask & (1 << interface_id)) != 0) {
+                        continue;
+                    }
+                    interface_mask |= (1 << interface_id);
+
+                    HIDDeviceUSB device = new HIDDeviceUSB(this, usbDevice, interface_index);
+                    int id = device.getId();
+                    mDevicesById.put(id, device);
+                    HIDDeviceConnected(id, device.getIdentifier(), device.getVendorId(), device.getProductId(), device.getSerialNumber(), device.getVersion(), device.getManufacturerName(), device.getProductName(), usbInterface.getId(), usbInterface.getInterfaceClass(), usbInterface.getInterfaceSubclass(), usbInterface.getInterfaceProtocol());
+                }
+            }
+        }
+    }
+
+    private void initializeBluetooth() {
+        Log.d(TAG, "Initializing Bluetooth");
+
+        if (Build.VERSION.SDK_INT <= 30 &&
+            mContext.getPackageManager().checkPermission(android.Manifest.permission.BLUETOOTH, mContext.getPackageName()) != PackageManager.PERMISSION_GRANTED) {
+            Log.d(TAG, "Couldn't initialize Bluetooth, missing android.permission.BLUETOOTH");
+            return;
+        }
+
+        if (!mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE) || (Build.VERSION.SDK_INT < 18)) {
+            Log.d(TAG, "Couldn't initialize Bluetooth, this version of Android does not support Bluetooth LE");
+            return;
+        }
+
+        // Find bonded bluetooth controllers and create SteamControllers for them
+        mBluetoothManager = (BluetoothManager)mContext.getSystemService(Context.BLUETOOTH_SERVICE);
+        if (mBluetoothManager == null) {
+            // This device doesn't support Bluetooth.
+            return;
+        }
+
+        BluetoothAdapter btAdapter = mBluetoothManager.getAdapter();
+        if (btAdapter == null) {
+            // This device has Bluetooth support in the codebase, but has no available adapters.
+            return;
+        }
+
+        // Get our bonded devices.
+        for (BluetoothDevice device : btAdapter.getBondedDevices()) {
+
+            Log.d(TAG, "Bluetooth device available: " + device);
+            if (isSteamController(device)) {
+                connectBluetoothDevice(device);
+            }
+
+        }
+
+        // NOTE: These don't work on Chromebooks, to my undying dismay.
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
+        filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
+        mContext.registerReceiver(mBluetoothBroadcast, filter);
+
+        if (mIsChromebook) {
+            mHandler = new Handler(Looper.getMainLooper());
+            mLastBluetoothDevices = new ArrayList<BluetoothDevice>();
+
+            // final HIDDeviceManager finalThis = this;
+            // mHandler.postDelayed(new Runnable() {
+            //     @Override
+            //     public void run() {
+            //         finalThis.chromebookConnectionHandler();
+            //     }
+            // }, 5000);
+        }
+    }
+
+    private void shutdownBluetooth() {
+        try {
+            mContext.unregisterReceiver(mBluetoothBroadcast);
+        } catch (Exception e) {
+            // We may not have registered, that's okay
+        }
+    }
+
+    // Chromebooks do not pass along ACTION_ACL_CONNECTED / ACTION_ACL_DISCONNECTED properly.
+    // This function provides a sort of dummy version of that, watching for changes in the
+    // connected devices and attempting to add controllers as things change.
+    public void chromebookConnectionHandler() {
+        if (!mIsChromebook) {
+            return;
+        }
+
+        ArrayList<BluetoothDevice> disconnected = new ArrayList<BluetoothDevice>();
+        ArrayList<BluetoothDevice> connected = new ArrayList<BluetoothDevice>();
+
+        List<BluetoothDevice> currentConnected = mBluetoothManager.getConnectedDevices(BluetoothProfile.GATT);
+
+        for (BluetoothDevice bluetoothDevice : currentConnected) {
+            if (!mLastBluetoothDevices.contains(bluetoothDevice)) {
+                connected.add(bluetoothDevice);
+            }
+        }
+        for (BluetoothDevice bluetoothDevice : mLastBluetoothDevices) {
+            if (!currentConnected.contains(bluetoothDevice)) {
+                disconnected.add(bluetoothDevice);
+            }
+        }
+
+        mLastBluetoothDevices = currentConnected;
+
+        for (BluetoothDevice bluetoothDevice : disconnected) {
+            disconnectBluetoothDevice(bluetoothDevice);
+        }
+        for (BluetoothDevice bluetoothDevice : connected) {
+            connectBluetoothDevice(bluetoothDevice);
+        }
+
+        final HIDDeviceManager finalThis = this;
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                finalThis.chromebookConnectionHandler();
+            }
+        }, 10000);
+    }
+
+    public boolean connectBluetoothDevice(BluetoothDevice bluetoothDevice) {
+        Log.v(TAG, "connectBluetoothDevice device=" + bluetoothDevice);
+        synchronized (this) {
+            if (mBluetoothDevices.containsKey(bluetoothDevice)) {
+                Log.v(TAG, "Steam controller with address " + bluetoothDevice + " already exists, attempting reconnect");
+
+                HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
+                device.reconnect();
+
+                return false;
+            }
+            HIDDeviceBLESteamController device = new HIDDeviceBLESteamController(this, bluetoothDevice);
+            int id = device.getId();
+            mBluetoothDevices.put(bluetoothDevice, device);
+            mDevicesById.put(id, device);
+
+            // The Steam Controller will mark itself connected once initialization is complete
+        }
+        return true;
+    }
+
+    public void disconnectBluetoothDevice(BluetoothDevice bluetoothDevice) {
+        synchronized (this) {
+            HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
+            if (device == null)
+                return;
+
+            int id = device.getId();
+            mBluetoothDevices.remove(bluetoothDevice);
+            mDevicesById.remove(id);
+            device.shutdown();
+            HIDDeviceDisconnected(id);
+        }
+    }
+
+    public boolean isSteamController(BluetoothDevice bluetoothDevice) {
+        // Sanity check.  If you pass in a null device, by definition it is never a Steam Controller.
+        if (bluetoothDevice == null) {
+            return false;
+        }
+
+        // If the device has no local name, we really don't want to try an equality check against it.
+        if (bluetoothDevice.getName() == null) {
+            return false;
+        }
+
+        return bluetoothDevice.getName().equals("SteamController") && ((bluetoothDevice.getType() & BluetoothDevice.DEVICE_TYPE_LE) != 0);
+    }
+
+    private void close() {
+        shutdownUSB();
+        shutdownBluetooth();
+        synchronized (this) {
+            for (HIDDevice device : mDevicesById.values()) {
+                device.shutdown();
+            }
+            mDevicesById.clear();
+            mBluetoothDevices.clear();
+            HIDDeviceReleaseCallback();
+        }
+    }
+
+    public void setFrozen(boolean frozen) {
+        synchronized (this) {
+            for (HIDDevice device : mDevicesById.values()) {
+                device.setFrozen(frozen);
+            }
+        }        
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private HIDDevice getDevice(int id) {
+        synchronized (this) {
+            HIDDevice result = mDevicesById.get(id);
+            if (result == null) {
+                Log.v(TAG, "No device for id: " + id);
+                Log.v(TAG, "Available devices: " + mDevicesById.keySet());
+            }
+            return result;
+        }
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    ////////// JNI interface functions
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    public boolean initialize(boolean usb, boolean bluetooth) {
+        Log.v(TAG, "initialize(" + usb + ", " + bluetooth + ")");
+
+        if (usb) {
+            initializeUSB();
+        }
+        if (bluetooth) {
+            initializeBluetooth();
+        }
+        return true;
+    }
+
+    public boolean openDevice(int deviceID) {
+        Log.v(TAG, "openDevice deviceID=" + deviceID);
+        HIDDevice device = getDevice(deviceID);
+        if (device == null) {
+            HIDDeviceDisconnected(deviceID);
+            return false;
+        }
+
+        // Look to see if this is a USB device and we have permission to access it
+        UsbDevice usbDevice = device.getDevice();
+        if (usbDevice != null && !mUsbManager.hasPermission(usbDevice)) {
+            HIDDeviceOpenPending(deviceID);
+            try {
+                final int FLAG_MUTABLE = 0x02000000; // PendingIntent.FLAG_MUTABLE, but don't require SDK 31
+                int flags;
+                if (Build.VERSION.SDK_INT >= 31) {
+                    flags = FLAG_MUTABLE;
+                } else {
+                    flags = 0;
+                }
+                mUsbManager.requestPermission(usbDevice, PendingIntent.getBroadcast(mContext, 0, new Intent(HIDDeviceManager.ACTION_USB_PERMISSION), flags));
+            } catch (Exception e) {
+                Log.v(TAG, "Couldn't request permission for USB device " + usbDevice);
+                HIDDeviceOpenResult(deviceID, false);
+            }
+            return false;
+        }
+
+        try {
+            return device.open();
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return false;
+    }
+
+    public int sendOutputReport(int deviceID, byte[] report) {
+        try {
+            //Log.v(TAG, "sendOutputReport deviceID=" + deviceID + " length=" + report.length);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return -1;
+            }
+
+            return device.sendOutputReport(report);
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return -1;
+    }
+
+    public int sendFeatureReport(int deviceID, byte[] report) {
+        try {
+            //Log.v(TAG, "sendFeatureReport deviceID=" + deviceID + " length=" + report.length);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return -1;
+            }
+
+            return device.sendFeatureReport(report);
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return -1;
+    }
+
+    public boolean getFeatureReport(int deviceID, byte[] report) {
+        try {
+            //Log.v(TAG, "getFeatureReport deviceID=" + deviceID);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return false;
+            }
+
+            return device.getFeatureReport(report);
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return false;
+    }
+
+    public void closeDevice(int deviceID) {
+        try {
+            Log.v(TAG, "closeDevice deviceID=" + deviceID);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return;
+            }
+
+            device.close();
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+    }
+
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    /////////////// Native methods
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private native void HIDDeviceRegisterCallback();
+    private native void HIDDeviceReleaseCallback();
+
+    native void HIDDeviceConnected(int deviceID, String identifier, int vendorId, int productId, String serial_number, int release_number, String manufacturer_string, String product_string, int interface_number, int interface_class, int interface_subclass, int interface_protocol);
+    native void HIDDeviceOpenPending(int deviceID);
+    native void HIDDeviceOpenResult(int deviceID, boolean opened);
+    native void HIDDeviceDisconnected(int deviceID);
+
+    native void HIDDeviceInputReport(int deviceID, byte[] report);
+    native void HIDDeviceFeatureReport(int deviceID, byte[] report);
+}

android/app/src/main/java/org/libsdl/app/HIDDeviceUSB.java

@@ -0,0 +1,309 @@
+package org.libsdl.app;
+
+import android.hardware.usb.*;
+import android.os.Build;
+import android.util.Log;
+import java.util.Arrays;
+
+class HIDDeviceUSB implements HIDDevice {
+
+    private static final String TAG = "hidapi";
+
+    protected HIDDeviceManager mManager;
+    protected UsbDevice mDevice;
+    protected int mInterfaceIndex;
+    protected int mInterface;
+    protected int mDeviceId;
+    protected UsbDeviceConnection mConnection;
+    protected UsbEndpoint mInputEndpoint;
+    protected UsbEndpoint mOutputEndpoint;
+    protected InputThread mInputThread;
+    protected boolean mRunning;
+    protected boolean mFrozen;
+
+    public HIDDeviceUSB(HIDDeviceManager manager, UsbDevice usbDevice, int interface_index) {
+        mManager = manager;
+        mDevice = usbDevice;
+        mInterfaceIndex = interface_index;
+        mInterface = mDevice.getInterface(mInterfaceIndex).getId();
+        mDeviceId = manager.getDeviceIDForIdentifier(getIdentifier());
+        mRunning = false;
+    }
+
+    public String getIdentifier() {
+        return String.format("%s/%x/%x/%d", mDevice.getDeviceName(), mDevice.getVendorId(), mDevice.getProductId(), mInterfaceIndex);
+    }
+
+    @Override
+    public int getId() {
+        return mDeviceId;
+    }
+
+    @Override
+    public int getVendorId() {
+        return mDevice.getVendorId();
+    }
+
+    @Override
+    public int getProductId() {
+        return mDevice.getProductId();
+    }
+
+    @Override
+    public String getSerialNumber() {
+        String result = null;
+        if (Build.VERSION.SDK_INT >= 21) {
+            try {
+                result = mDevice.getSerialNumber();
+            }
+            catch (SecurityException exception) {
+                //Log.w(TAG, "App permissions mean we cannot get serial number for device " + getDeviceName() + " message: " + exception.getMessage());
+            }
+        }
+        if (result == null) {
+            result = "";
+        }
+        return result;
+    }
+
+    @Override
+    public int getVersion() {
+        return 0;
+    }
+
+    @Override
+    public String getManufacturerName() {
+        String result = null;
+        if (Build.VERSION.SDK_INT >= 21) {
+            result = mDevice.getManufacturerName();
+        }
+        if (result == null) {
+            result = String.format("%x", getVendorId());
+        }
+        return result;
+    }
+
+    @Override
+    public String getProductName() {
+        String result = null;
+        if (Build.VERSION.SDK_INT >= 21) {
+            result = mDevice.getProductName();
+        }
+        if (result == null) {
+            result = String.format("%x", getProductId());
+        }
+        return result;
+    }
+
+    @Override
+    public UsbDevice getDevice() {
+        return mDevice;
+    }
+
+    public String getDeviceName() {
+        return getManufacturerName() + " " + getProductName() + "(0x" + String.format("%x", getVendorId()) + "/0x" + String.format("%x", getProductId()) + ")";
+    }
+
+    @Override
+    public boolean open() {
+        mConnection = mManager.getUSBManager().openDevice(mDevice);
+        if (mConnection == null) {
+            Log.w(TAG, "Unable to open USB device " + getDeviceName());
+            return false;
+        }
+
+        // Force claim our interface
+        UsbInterface iface = mDevice.getInterface(mInterfaceIndex);
+        if (!mConnection.claimInterface(iface, true)) {
+            Log.w(TAG, "Failed to claim interfaces on USB device " + getDeviceName());
+            close();
+            return false;
+        }
+
+        // Find the endpoints
+        for (int j = 0; j < iface.getEndpointCount(); j++) {
+            UsbEndpoint endpt = iface.getEndpoint(j);
+            switch (endpt.getDirection()) {
+            case UsbConstants.USB_DIR_IN:
+                if (mInputEndpoint == null) {
+                    mInputEndpoint = endpt;
+                }
+                break;
+            case UsbConstants.USB_DIR_OUT:
+                if (mOutputEndpoint == null) {
+                    mOutputEndpoint = endpt;
+                }
+                break;
+            }
+        }
+
+        // Make sure the required endpoints were present
+        if (mInputEndpoint == null || mOutputEndpoint == null) {
+            Log.w(TAG, "Missing required endpoint on USB device " + getDeviceName());
+            close();
+            return false;
+        }
+
+        // Start listening for input
+        mRunning = true;
+        mInputThread = new InputThread();
+        mInputThread.start();
+
+        return true;
+    }
+
+    @Override
+    public int sendFeatureReport(byte[] report) {
+        int res = -1;
+        int offset = 0;
+        int length = report.length;
+        boolean skipped_report_id = false;
+        byte report_number = report[0];
+
+        if (report_number == 0x0) {
+            ++offset;
+            --length;
+            skipped_report_id = true;
+        }
+
+        res = mConnection.controlTransfer(
+            UsbConstants.USB_TYPE_CLASS | 0x01 /*RECIPIENT_INTERFACE*/ | UsbConstants.USB_DIR_OUT,
+            0x09/*HID set_report*/,
+            (3/*HID feature*/ << 8) | report_number,
+            mInterface,
+            report, offset, length,
+            1000/*timeout millis*/);
+
+        if (res < 0) {
+            Log.w(TAG, "sendFeatureReport() returned " + res + " on device " + getDeviceName());
+            return -1;
+        }
+
+        if (skipped_report_id) {
+            ++length;
+        }
+        return length;
+    }
+
+    @Override
+    public int sendOutputReport(byte[] report) {
+        int r = mConnection.bulkTransfer(mOutputEndpoint, report, report.length, 1000);
+        if (r != report.length) {
+            Log.w(TAG, "sendOutputReport() returned " + r + " on device " + getDeviceName());
+        }
+        return r;
+    }
+
+    @Override
+    public boolean getFeatureReport(byte[] report) {
+        int res = -1;
+        int offset = 0;
+        int length = report.length;
+        boolean skipped_report_id = false;
+        byte report_number = report[0];
+
+        if (report_number == 0x0) {
+            /* Offset the return buffer by 1, so that the report ID
+               will remain in byte 0. */
+            ++offset;
+            --length;
+            skipped_report_id = true;
+        }
+
+        res = mConnection.controlTransfer(
+            UsbConstants.USB_TYPE_CLASS | 0x01 /*RECIPIENT_INTERFACE*/ | UsbConstants.USB_DIR_IN,
+            0x01/*HID get_report*/,
+            (3/*HID feature*/ << 8) | report_number,
+            mInterface,
+            report, offset, length,
+            1000/*timeout millis*/);
+
+        if (res < 0) {
+            Log.w(TAG, "getFeatureReport() returned " + res + " on device " + getDeviceName());
+            return false;
+        }
+
+        if (skipped_report_id) {
+            ++res;
+            ++length;
+        }
+
+        byte[] data;
+        if (res == length) {
+            data = report;
+        } else {
+            data = Arrays.copyOfRange(report, 0, res);
+        }
+        mManager.HIDDeviceFeatureReport(mDeviceId, data);
+
+        return true;
+    }
+
+    @Override
+    public void close() {
+        mRunning = false;
+        if (mInputThread != null) {
+            while (mInputThread.isAlive()) {
+                mInputThread.interrupt();
+                try {
+                    mInputThread.join();
+                } catch (InterruptedException e) {
+                    // Keep trying until we're done
+                }
+            }
+            mInputThread = null;
+        }
+        if (mConnection != null) {
+            UsbInterface iface = mDevice.getInterface(mInterfaceIndex);
+            mConnection.releaseInterface(iface);
+            mConnection.close();
+            mConnection = null;
+        }
+    }
+
+    @Override
+    public void shutdown() {
+        close();
+        mManager = null;
+    }
+
+    @Override
+    public void setFrozen(boolean frozen) {
+        mFrozen = frozen;
+    }
+
+    protected class InputThread extends Thread {
+        @Override
+        public void run() {
+            int packetSize = mInputEndpoint.getMaxPacketSize();
+            byte[] packet = new byte[packetSize];
+            while (mRunning) {
+                int r;
+                try
+                {
+                    r = mConnection.bulkTransfer(mInputEndpoint, packet, packetSize, 1000);
+                }
+                catch (Exception e)
+                {
+                    Log.v(TAG, "Exception in UsbDeviceConnection bulktransfer: " + e);
+                    break;
+                }
+                if (r < 0) {
+                    // Could be a timeout or an I/O error
+                }
+                if (r > 0) {
+                    byte[] data;
+                    if (r == packetSize) {
+                        data = packet;
+                    } else {
+                        data = Arrays.copyOfRange(packet, 0, r);
+                    }
+
+                    if (!mFrozen) {
+                        mManager.HIDDeviceInputReport(mDeviceId, data);
+                    }
+                }
+            }
+        }
+    }
+}

android/app/src/main/java/org/libsdl/app/SDL.java

@@ -0,0 +1,85 @@
+package org.libsdl.app;
+
+import android.content.Context;
+
+import java.lang.Class;
+import java.lang.reflect.Method;
+
+/**
+    SDL library initialization
+*/
+public class SDL {
+
+    // This function should be called first and sets up the native code
+    // so it can call into the Java classes
+    public static void setupJNI() {
+        SDLActivity.nativeSetupJNI();
+        SDLAudioManager.nativeSetupJNI();
+        SDLControllerManager.nativeSetupJNI();
+    }
+
+    // This function should be called each time the activity is started
+    public static void initialize() {
+        setContext(null);
+
+        SDLActivity.initialize();
+        SDLAudioManager.initialize();
+        SDLControllerManager.initialize();
+    }
+
+    // This function stores the current activity (SDL or not)
+    public static void setContext(Context context) {
+        mContext = context;
+    }
+
+    public static Context getContext() {
+        return mContext;
+    }
+
+    public static void loadLibrary(String libraryName) throws UnsatisfiedLinkError, SecurityException, NullPointerException {
+
+        if (libraryName == null) {
+            throw new NullPointerException("No library name provided.");
+        }
+
+        try {
+            // Let's see if we have ReLinker available in the project.  This is necessary for 
+            // some projects that have huge numbers of local libraries bundled, and thus may 
+            // trip a bug in Android's native library loader which ReLinker works around.  (If
+            // loadLibrary works properly, ReLinker will simply use the normal Android method
+            // internally.)
+            //
+            // To use ReLinker, just add it as a dependency.  For more information, see 
+            // https://github.com/KeepSafe/ReLinker for ReLinker's repository.
+            //
+            Class<?> relinkClass = mContext.getClassLoader().loadClass("com.getkeepsafe.relinker.ReLinker");
+            Class<?> relinkListenerClass = mContext.getClassLoader().loadClass("com.getkeepsafe.relinker.ReLinker$LoadListener");
+            Class<?> contextClass = mContext.getClassLoader().loadClass("android.content.Context");
+            Class<?> stringClass = mContext.getClassLoader().loadClass("java.lang.String");
+
+            // Get a 'force' instance of the ReLinker, so we can ensure libraries are reinstalled if 
+            // they've changed during updates.
+            Method forceMethod = relinkClass.getDeclaredMethod("force");
+            Object relinkInstance = forceMethod.invoke(null);
+            Class<?> relinkInstanceClass = relinkInstance.getClass();
+
+            // Actually load the library!
+            Method loadMethod = relinkInstanceClass.getDeclaredMethod("loadLibrary", contextClass, stringClass, stringClass, relinkListenerClass);
+            loadMethod.invoke(relinkInstance, mContext, libraryName, null, null);
+        }
+        catch (final Throwable e) {
+            // Fall back
+            try {
+                System.loadLibrary(libraryName);
+            }
+            catch (final UnsatisfiedLinkError ule) {
+                throw ule;
+            }
+            catch (final SecurityException se) {
+                throw se;
+            }
+        }
+    }
+
+    protected static Context mContext;
+}

android/app/src/main/java/org/libsdl/app/SDLAudioManager.java

@@ -0,0 +1,394 @@
+package org.libsdl.app;
+
+import android.media.AudioFormat;
+import android.media.AudioManager;
+import android.media.AudioRecord;
+import android.media.AudioTrack;
+import android.media.MediaRecorder;
+import android.os.Build;
+import android.util.Log;
+
+public class SDLAudioManager
+{
+    protected static final String TAG = "SDLAudio";
+
+    protected static AudioTrack mAudioTrack;
+    protected static AudioRecord mAudioRecord;
+
+    public static void initialize() {
+        mAudioTrack = null;
+        mAudioRecord = null;
+    }
+
+    // Audio
+
+    protected static String getAudioFormatString(int audioFormat) {
+        switch (audioFormat) {
+        case AudioFormat.ENCODING_PCM_8BIT:
+            return "8-bit";
+        case AudioFormat.ENCODING_PCM_16BIT:
+            return "16-bit";
+        case AudioFormat.ENCODING_PCM_FLOAT:
+            return "float";
+        default:
+            return Integer.toString(audioFormat);
+        }
+    }
+
+    protected static int[] open(boolean isCapture, int sampleRate, int audioFormat, int desiredChannels, int desiredFrames) {
+        int channelConfig;
+        int sampleSize;
+        int frameSize;
+
+        Log.v(TAG, "Opening " + (isCapture ? "capture" : "playback") + ", requested " + desiredFrames + " frames of " + desiredChannels + " channel " + getAudioFormatString(audioFormat) + " audio at " + sampleRate + " Hz");
+
+        /* On older devices let's use known good settings */
+        if (Build.VERSION.SDK_INT < 21) {
+            if (desiredChannels > 2) {
+                desiredChannels = 2;
+            }
+        }
+
+        /* AudioTrack has sample rate limitation of 48000 (fixed in 5.0.2) */
+        if (Build.VERSION.SDK_INT < 22) {
+            if (sampleRate < 8000) {
+                sampleRate = 8000;
+            } else if (sampleRate > 48000) {
+                sampleRate = 48000;
+            }
+        }
+
+        if (audioFormat == AudioFormat.ENCODING_PCM_FLOAT) {
+            int minSDKVersion = (isCapture ? 23 : 21);
+            if (Build.VERSION.SDK_INT < minSDKVersion) {
+                audioFormat = AudioFormat.ENCODING_PCM_16BIT;
+            }
+        }
+        switch (audioFormat)
+        {
+        case AudioFormat.ENCODING_PCM_8BIT:
+            sampleSize = 1;
+            break;
+        case AudioFormat.ENCODING_PCM_16BIT:
+            sampleSize = 2;
+            break;
+        case AudioFormat.ENCODING_PCM_FLOAT:
+            sampleSize = 4;
+            break;
+        default:
+            Log.v(TAG, "Requested format " + audioFormat + ", getting ENCODING_PCM_16BIT");
+            audioFormat = AudioFormat.ENCODING_PCM_16BIT;
+            sampleSize = 2;
+            break;
+        }
+
+        if (isCapture) {
+            switch (desiredChannels) {
+            case 1:
+                channelConfig = AudioFormat.CHANNEL_IN_MONO;
+                break;
+            case 2:
+                channelConfig = AudioFormat.CHANNEL_IN_STEREO;
+                break;
+            default:
+                Log.v(TAG, "Requested " + desiredChannels + " channels, getting stereo");
+                desiredChannels = 2;
+                channelConfig = AudioFormat.CHANNEL_IN_STEREO;
+                break;
+            }
+        } else {
+            switch (desiredChannels) {
+            case 1:
+                channelConfig = AudioFormat.CHANNEL_OUT_MONO;
+                break;
+            case 2:
+                channelConfig = AudioFormat.CHANNEL_OUT_STEREO;
+                break;
+            case 3:
+                channelConfig = AudioFormat.CHANNEL_OUT_STEREO | AudioFormat.CHANNEL_OUT_FRONT_CENTER;
+                break;
+            case 4:
+                channelConfig = AudioFormat.CHANNEL_OUT_QUAD;
+                break;
+            case 5:
+                channelConfig = AudioFormat.CHANNEL_OUT_QUAD | AudioFormat.CHANNEL_OUT_FRONT_CENTER;
+                break;
+            case 6:
+                channelConfig = AudioFormat.CHANNEL_OUT_5POINT1;
+                break;
+            case 7:
+                channelConfig = AudioFormat.CHANNEL_OUT_5POINT1 | AudioFormat.CHANNEL_OUT_BACK_CENTER;
+                break;
+            case 8:
+                if (Build.VERSION.SDK_INT >= 23) {
+                    channelConfig = AudioFormat.CHANNEL_OUT_7POINT1_SURROUND;
+                } else {
+                    Log.v(TAG, "Requested " + desiredChannels + " channels, getting 5.1 surround");
+                    desiredChannels = 6;
+                    channelConfig = AudioFormat.CHANNEL_OUT_5POINT1;
+                }
+                break;
+            default:
+                Log.v(TAG, "Requested " + desiredChannels + " channels, getting stereo");
+                desiredChannels = 2;
+                channelConfig = AudioFormat.CHANNEL_OUT_STEREO;
+                break;
+            }
+
+/*
+            Log.v(TAG, "Speaker configuration (and order of channels):");
+
+            if ((channelConfig & 0x00000004) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_LEFT");
+            }
+            if ((channelConfig & 0x00000008) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_RIGHT");
+            }
+            if ((channelConfig & 0x00000010) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_CENTER");
+            }
+            if ((channelConfig & 0x00000020) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_LOW_FREQUENCY");
+            }
+            if ((channelConfig & 0x00000040) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_BACK_LEFT");
+            }
+            if ((channelConfig & 0x00000080) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_BACK_RIGHT");
+            }
+            if ((channelConfig & 0x00000100) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_LEFT_OF_CENTER");
+            }
+            if ((channelConfig & 0x00000200) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_RIGHT_OF_CENTER");
+            }
+            if ((channelConfig & 0x00000400) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_BACK_CENTER");
+            }
+            if ((channelConfig & 0x00000800) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_SIDE_LEFT");
+            }
+            if ((channelConfig & 0x00001000) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_SIDE_RIGHT");
+            }
+*/
+        }
+        frameSize = (sampleSize * desiredChannels);
+
+        // Let the user pick a larger buffer if they really want -- but ye
+        // gods they probably shouldn't, the minimums are horrifyingly high
+        // latency already
+        int minBufferSize;
+        if (isCapture) {
+            minBufferSize = AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat);
+        } else {
+            minBufferSize = AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat);
+        }
+        desiredFrames = Math.max(desiredFrames, (minBufferSize + frameSize - 1) / frameSize);
+
+        int[] results = new int[4];
+
+        if (isCapture) {
+            if (mAudioRecord == null) {
+                mAudioRecord = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, sampleRate,
+                        channelConfig, audioFormat, desiredFrames * frameSize);
+
+                // see notes about AudioTrack state in audioOpen(), above. Probably also applies here.
+                if (mAudioRecord.getState() != AudioRecord.STATE_INITIALIZED) {
+                    Log.e(TAG, "Failed during initialization of AudioRecord");
+                    mAudioRecord.release();
+                    mAudioRecord = null;
+                    return null;
+                }
+
+                mAudioRecord.startRecording();
+            }
+
+            results[0] = mAudioRecord.getSampleRate();
+            results[1] = mAudioRecord.getAudioFormat();
+            results[2] = mAudioRecord.getChannelCount();
+
+        } else {
+            if (mAudioTrack == null) {
+                mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate, channelConfig, audioFormat, desiredFrames * frameSize, AudioTrack.MODE_STREAM);
+
+                // Instantiating AudioTrack can "succeed" without an exception and the track may still be invalid
+                // Ref: https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/media/java/android/media/AudioTrack.java
+                // Ref: http://developer.android.com/reference/android/media/AudioTrack.html#getState()
+                if (mAudioTrack.getState() != AudioTrack.STATE_INITIALIZED) {
+                    /* Try again, with safer values */
+
+                    Log.e(TAG, "Failed during initialization of Audio Track");
+                    mAudioTrack.release();
+                    mAudioTrack = null;
+                    return null;
+                }
+
+                mAudioTrack.play();
+            }
+
+            results[0] = mAudioTrack.getSampleRate();
+            results[1] = mAudioTrack.getAudioFormat();
+            results[2] = mAudioTrack.getChannelCount();
+        }
+        results[3] = desiredFrames;
+
+        Log.v(TAG, "Opening " + (isCapture ? "capture" : "playback") + ", got " + results[3] + " frames of " + results[2] + " channel " + getAudioFormatString(results[1]) + " audio at " + results[0] + " Hz");
+
+        return results;
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static int[] audioOpen(int sampleRate, int audioFormat, int desiredChannels, int desiredFrames) {
+        return open(false, sampleRate, audioFormat, desiredChannels, desiredFrames);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void audioWriteFloatBuffer(float[] buffer) {
+        if (mAudioTrack == null) {
+            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
+            return;
+        }
+
+        for (int i = 0; i < buffer.length;) {
+            int result = mAudioTrack.write(buffer, i, buffer.length - i, AudioTrack.WRITE_BLOCKING);
+            if (result > 0) {
+                i += result;
+            } else if (result == 0) {
+                try {
+                    Thread.sleep(1);
+                } catch(InterruptedException e) {
+                    // Nom nom
+                }
+            } else {
+                Log.w(TAG, "SDL audio: error return from write(float)");
+                return;
+            }
+        }
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void audioWriteShortBuffer(short[] buffer) {
+        if (mAudioTrack == null) {
+            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
+            return;
+        }
+
+        for (int i = 0; i < buffer.length;) {
+            int result = mAudioTrack.write(buffer, i, buffer.length - i);
+            if (result > 0) {
+                i += result;
+            } else if (result == 0) {
+                try {
+                    Thread.sleep(1);
+                } catch(InterruptedException e) {
+                    // Nom nom
+                }
+            } else {
+                Log.w(TAG, "SDL audio: error return from write(short)");
+                return;
+            }
+        }
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void audioWriteByteBuffer(byte[] buffer) {
+        if (mAudioTrack == null) {
+            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
+            return;
+        }
+
+        for (int i = 0; i < buffer.length; ) {
+            int result = mAudioTrack.write(buffer, i, buffer.length - i);
+            if (result > 0) {
+                i += result;
+            } else if (result == 0) {
+                try {
+                    Thread.sleep(1);
+                } catch(InterruptedException e) {
+                    // Nom nom
+                }
+            } else {
+                Log.w(TAG, "SDL audio: error return from write(byte)");
+                return;
+            }
+        }
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static int[] captureOpen(int sampleRate, int audioFormat, int desiredChannels, int desiredFrames) {
+        return open(true, sampleRate, audioFormat, desiredChannels, desiredFrames);
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static int captureReadFloatBuffer(float[] buffer, boolean blocking) {
+        return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static int captureReadShortBuffer(short[] buffer, boolean blocking) {
+        if (Build.VERSION.SDK_INT < 23) {
+            return mAudioRecord.read(buffer, 0, buffer.length);
+        } else {
+            return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static int captureReadByteBuffer(byte[] buffer, boolean blocking) {
+        if (Build.VERSION.SDK_INT < 23) {
+            return mAudioRecord.read(buffer, 0, buffer.length);
+        } else {
+            return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static void audioClose() {
+        if (mAudioTrack != null) {
+            mAudioTrack.stop();
+            mAudioTrack.release();
+            mAudioTrack = null;
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static void captureClose() {
+        if (mAudioRecord != null) {
+            mAudioRecord.stop();
+            mAudioRecord.release();
+            mAudioRecord = null;
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static void audioSetThreadPriority(boolean iscapture, int device_id) {
+        try {
+
+            /* Set thread name */
+            if (iscapture) {
+                Thread.currentThread().setName("SDLAudioC" + device_id);
+            } else {
+                Thread.currentThread().setName("SDLAudioP" + device_id);
+            }
+
+            /* Set thread priority */
+            android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_AUDIO);
+
+        } catch (Exception e) {
+            Log.v(TAG, "modify thread properties failed " + e.toString());
+        }
+    }
+
+    public static native int nativeSetupJNI();
+}

android/app/src/main/java/org/libsdl/app/SDLControllerManager.java

@@ -0,0 +1,794 @@
+package org.libsdl.app;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import android.content.Context;
+import android.os.Build;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
+import android.util.Log;
+import android.view.InputDevice;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.View;
+
+
+public class SDLControllerManager
+{
+
+    public static native int nativeSetupJNI();
+
+    public static native int nativeAddJoystick(int device_id, String name, String desc,
+                                               int vendor_id, int product_id,
+                                               boolean is_accelerometer, int button_mask,
+                                               int naxes, int nhats, int nballs);
+    public static native int nativeRemoveJoystick(int device_id);
+    public static native int nativeAddHaptic(int device_id, String name);
+    public static native int nativeRemoveHaptic(int device_id);
+    public static native int onNativePadDown(int device_id, int keycode);
+    public static native int onNativePadUp(int device_id, int keycode);
+    public static native void onNativeJoy(int device_id, int axis,
+                                          float value);
+    public static native void onNativeHat(int device_id, int hat_id,
+                                          int x, int y);
+
+    protected static SDLJoystickHandler mJoystickHandler;
+    protected static SDLHapticHandler mHapticHandler;
+
+    private static final String TAG = "SDLControllerManager";
+
+    public static void initialize() {
+        if (mJoystickHandler == null) {
+            if (Build.VERSION.SDK_INT >= 19) {
+                mJoystickHandler = new SDLJoystickHandler_API19();
+            } else {
+                mJoystickHandler = new SDLJoystickHandler_API16();
+            }
+        }
+
+        if (mHapticHandler == null) {
+            if (Build.VERSION.SDK_INT >= 26) {
+                mHapticHandler = new SDLHapticHandler_API26();
+            } else {
+                mHapticHandler = new SDLHapticHandler();
+            }
+        }
+    }
+
+    // Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
+    public static boolean handleJoystickMotionEvent(MotionEvent event) {
+        return mJoystickHandler.handleMotionEvent(event);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void pollInputDevices() {
+        mJoystickHandler.pollInputDevices();
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void pollHapticDevices() {
+        mHapticHandler.pollHapticDevices();
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void hapticRun(int device_id, float intensity, int length) {
+        mHapticHandler.run(device_id, intensity, length);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void hapticStop(int device_id)
+    {
+        mHapticHandler.stop(device_id);
+    }
+
+    // Check if a given device is considered a possible SDL joystick
+    public static boolean isDeviceSDLJoystick(int deviceId) {
+        InputDevice device = InputDevice.getDevice(deviceId);
+        // We cannot use InputDevice.isVirtual before API 16, so let's accept
+        // only nonnegative device ids (VIRTUAL_KEYBOARD equals -1)
+        if ((device == null) || (deviceId < 0)) {
+            return false;
+        }
+        int sources = device.getSources();
+
+        /* This is called for every button press, so let's not spam the logs */
+        /*
+        if ((sources & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
+            Log.v(TAG, "Input device " + device.getName() + " has class joystick.");
+        }
+        if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) {
+            Log.v(TAG, "Input device " + device.getName() + " is a dpad.");
+        }
+        if ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD) {
+            Log.v(TAG, "Input device " + device.getName() + " is a gamepad.");
+        }
+        */
+
+        return ((sources & InputDevice.SOURCE_CLASS_JOYSTICK) != 0 ||
+                ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) ||
+                ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD)
+        );
+    }
+
+}
+
+class SDLJoystickHandler {
+
+    /**
+     * Handles given MotionEvent.
+     * @param event the event to be handled.
+     * @return if given event was processed.
+     */
+    public boolean handleMotionEvent(MotionEvent event) {
+        return false;
+    }
+
+    /**
+     * Handles adding and removing of input devices.
+     */
+    public void pollInputDevices() {
+    }
+}
+
+/* Actual joystick functionality available for API >= 12 devices */
+class SDLJoystickHandler_API16 extends SDLJoystickHandler {
+
+    static class SDLJoystick {
+        public int device_id;
+        public String name;
+        public String desc;
+        public ArrayList<InputDevice.MotionRange> axes;
+        public ArrayList<InputDevice.MotionRange> hats;
+    }
+    static class RangeComparator implements Comparator<InputDevice.MotionRange> {
+        @Override
+        public int compare(InputDevice.MotionRange arg0, InputDevice.MotionRange arg1) {
+            // Some controllers, like the Moga Pro 2, return AXIS_GAS (22) for right trigger and AXIS_BRAKE (23) for left trigger - swap them so they're sorted in the right order for SDL
+            int arg0Axis = arg0.getAxis();
+            int arg1Axis = arg1.getAxis();
+            if (arg0Axis == MotionEvent.AXIS_GAS) {
+                arg0Axis = MotionEvent.AXIS_BRAKE;
+            } else if (arg0Axis == MotionEvent.AXIS_BRAKE) {
+                arg0Axis = MotionEvent.AXIS_GAS;
+            }
+            if (arg1Axis == MotionEvent.AXIS_GAS) {
+                arg1Axis = MotionEvent.AXIS_BRAKE;
+            } else if (arg1Axis == MotionEvent.AXIS_BRAKE) {
+                arg1Axis = MotionEvent.AXIS_GAS;
+            }
+
+            return arg0Axis - arg1Axis;
+        }
+    }
+
+    private final ArrayList<SDLJoystick> mJoysticks;
+
+    public SDLJoystickHandler_API16() {
+
+        mJoysticks = new ArrayList<SDLJoystick>();
+    }
+
+    @Override
+    public void pollInputDevices() {
+        int[] deviceIds = InputDevice.getDeviceIds();
+
+        for (int device_id : deviceIds) {
+            if (SDLControllerManager.isDeviceSDLJoystick(device_id)) {
+                SDLJoystick joystick = getJoystick(device_id);
+                if (joystick == null) {
+                    InputDevice joystickDevice = InputDevice.getDevice(device_id);
+                    joystick = new SDLJoystick();
+                    joystick.device_id = device_id;
+                    joystick.name = joystickDevice.getName();
+                    joystick.desc = getJoystickDescriptor(joystickDevice);
+                    joystick.axes = new ArrayList<InputDevice.MotionRange>();
+                    joystick.hats = new ArrayList<InputDevice.MotionRange>();
+
+                    List<InputDevice.MotionRange> ranges = joystickDevice.getMotionRanges();
+                    Collections.sort(ranges, new RangeComparator());
+                    for (InputDevice.MotionRange range : ranges) {
+                        if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
+                            if (range.getAxis() == MotionEvent.AXIS_HAT_X || range.getAxis() == MotionEvent.AXIS_HAT_Y) {
+                                joystick.hats.add(range);
+                            } else {
+                                joystick.axes.add(range);
+                            }
+                        }
+                    }
+
+                    mJoysticks.add(joystick);
+                    SDLControllerManager.nativeAddJoystick(joystick.device_id, joystick.name, joystick.desc,
+                            getVendorId(joystickDevice), getProductId(joystickDevice), false,
+                            getButtonMask(joystickDevice), joystick.axes.size(), joystick.hats.size()/2, 0);
+                }
+            }
+        }
+
+        /* Check removed devices */
+        ArrayList<Integer> removedDevices = null;
+        for (SDLJoystick joystick : mJoysticks) {
+            int device_id = joystick.device_id;
+            int i;
+            for (i = 0; i < deviceIds.length; i++) {
+                if (device_id == deviceIds[i]) break;
+            }
+            if (i == deviceIds.length) {
+                if (removedDevices == null) {
+                    removedDevices = new ArrayList<Integer>();
+                }
+                removedDevices.add(device_id);
+            }
+        }
+
+        if (removedDevices != null) {
+            for (int device_id : removedDevices) {
+                SDLControllerManager.nativeRemoveJoystick(device_id);
+                for (int i = 0; i < mJoysticks.size(); i++) {
+                    if (mJoysticks.get(i).device_id == device_id) {
+                        mJoysticks.remove(i);
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    protected SDLJoystick getJoystick(int device_id) {
+        for (SDLJoystick joystick : mJoysticks) {
+            if (joystick.device_id == device_id) {
+                return joystick;
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public boolean handleMotionEvent(MotionEvent event) {
+        if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
+            int actionPointerIndex = event.getActionIndex();
+            int action = event.getActionMasked();
+            if (action == MotionEvent.ACTION_MOVE) {
+                SDLJoystick joystick = getJoystick(event.getDeviceId());
+                if (joystick != null) {
+                    for (int i = 0; i < joystick.axes.size(); i++) {
+                        InputDevice.MotionRange range = joystick.axes.get(i);
+                        /* Normalize the value to -1...1 */
+                        float value = (event.getAxisValue(range.getAxis(), actionPointerIndex) - range.getMin()) / range.getRange() * 2.0f - 1.0f;
+                        SDLControllerManager.onNativeJoy(joystick.device_id, i, value);
+                    }
+                    for (int i = 0; i < joystick.hats.size() / 2; i++) {
+                        int hatX = Math.round(event.getAxisValue(joystick.hats.get(2 * i).getAxis(), actionPointerIndex));
+                        int hatY = Math.round(event.getAxisValue(joystick.hats.get(2 * i + 1).getAxis(), actionPointerIndex));
+                        SDLControllerManager.onNativeHat(joystick.device_id, i, hatX, hatY);
+                    }
+                }
+            }
+        }
+        return true;
+    }
+
+    public String getJoystickDescriptor(InputDevice joystickDevice) {
+        String desc = joystickDevice.getDescriptor();
+
+        if (desc != null && !desc.isEmpty()) {
+            return desc;
+        }
+
+        return joystickDevice.getName();
+    }
+    public int getProductId(InputDevice joystickDevice) {
+        return 0;
+    }
+    public int getVendorId(InputDevice joystickDevice) {
+        return 0;
+    }
+    public int getButtonMask(InputDevice joystickDevice) {
+        return -1;
+    }
+}
+
+class SDLJoystickHandler_API19 extends SDLJoystickHandler_API16 {
+
+    @Override
+    public int getProductId(InputDevice joystickDevice) {
+        return joystickDevice.getProductId();
+    }
+
+    @Override
+    public int getVendorId(InputDevice joystickDevice) {
+        return joystickDevice.getVendorId();
+    }
+
+    @Override
+    public int getButtonMask(InputDevice joystickDevice) {
+        int button_mask = 0;
+        int[] keys = new int[] {
+            KeyEvent.KEYCODE_BUTTON_A,
+            KeyEvent.KEYCODE_BUTTON_B,
+            KeyEvent.KEYCODE_BUTTON_X,
+            KeyEvent.KEYCODE_BUTTON_Y,
+            KeyEvent.KEYCODE_BACK,
+            KeyEvent.KEYCODE_MENU,
+            KeyEvent.KEYCODE_BUTTON_MODE,
+            KeyEvent.KEYCODE_BUTTON_START,
+            KeyEvent.KEYCODE_BUTTON_THUMBL,
+            KeyEvent.KEYCODE_BUTTON_THUMBR,
+            KeyEvent.KEYCODE_BUTTON_L1,
+            KeyEvent.KEYCODE_BUTTON_R1,
+            KeyEvent.KEYCODE_DPAD_UP,
+            KeyEvent.KEYCODE_DPAD_DOWN,
+            KeyEvent.KEYCODE_DPAD_LEFT,
+            KeyEvent.KEYCODE_DPAD_RIGHT,
+            KeyEvent.KEYCODE_BUTTON_SELECT,
+            KeyEvent.KEYCODE_DPAD_CENTER,
+
+            // These don't map into any SDL controller buttons directly
+            KeyEvent.KEYCODE_BUTTON_L2,
+            KeyEvent.KEYCODE_BUTTON_R2,
+            KeyEvent.KEYCODE_BUTTON_C,
+            KeyEvent.KEYCODE_BUTTON_Z,
+            KeyEvent.KEYCODE_BUTTON_1,
+            KeyEvent.KEYCODE_BUTTON_2,
+            KeyEvent.KEYCODE_BUTTON_3,
+            KeyEvent.KEYCODE_BUTTON_4,
+            KeyEvent.KEYCODE_BUTTON_5,
+            KeyEvent.KEYCODE_BUTTON_6,
+            KeyEvent.KEYCODE_BUTTON_7,
+            KeyEvent.KEYCODE_BUTTON_8,
+            KeyEvent.KEYCODE_BUTTON_9,
+            KeyEvent.KEYCODE_BUTTON_10,
+            KeyEvent.KEYCODE_BUTTON_11,
+            KeyEvent.KEYCODE_BUTTON_12,
+            KeyEvent.KEYCODE_BUTTON_13,
+            KeyEvent.KEYCODE_BUTTON_14,
+            KeyEvent.KEYCODE_BUTTON_15,
+            KeyEvent.KEYCODE_BUTTON_16,
+        };
+        int[] masks = new int[] {
+            (1 << 0),   // A -> A
+            (1 << 1),   // B -> B
+            (1 << 2),   // X -> X
+            (1 << 3),   // Y -> Y
+            (1 << 4),   // BACK -> BACK
+            (1 << 6),   // MENU -> START
+            (1 << 5),   // MODE -> GUIDE
+            (1 << 6),   // START -> START
+            (1 << 7),   // THUMBL -> LEFTSTICK
+            (1 << 8),   // THUMBR -> RIGHTSTICK
+            (1 << 9),   // L1 -> LEFTSHOULDER
+            (1 << 10),  // R1 -> RIGHTSHOULDER
+            (1 << 11),  // DPAD_UP -> DPAD_UP
+            (1 << 12),  // DPAD_DOWN -> DPAD_DOWN
+            (1 << 13),  // DPAD_LEFT -> DPAD_LEFT
+            (1 << 14),  // DPAD_RIGHT -> DPAD_RIGHT
+            (1 << 4),   // SELECT -> BACK
+            (1 << 0),   // DPAD_CENTER -> A
+            (1 << 15),  // L2 -> ??
+            (1 << 16),  // R2 -> ??
+            (1 << 17),  // C -> ??
+            (1 << 18),  // Z -> ??
+            (1 << 20),  // 1 -> ??
+            (1 << 21),  // 2 -> ??
+            (1 << 22),  // 3 -> ??
+            (1 << 23),  // 4 -> ??
+            (1 << 24),  // 5 -> ??
+            (1 << 25),  // 6 -> ??
+            (1 << 26),  // 7 -> ??
+            (1 << 27),  // 8 -> ??
+            (1 << 28),  // 9 -> ??
+            (1 << 29),  // 10 -> ??
+            (1 << 30),  // 11 -> ??
+            (1 << 31),  // 12 -> ??
+            // We're out of room...
+            0xFFFFFFFF,  // 13 -> ??
+            0xFFFFFFFF,  // 14 -> ??
+            0xFFFFFFFF,  // 15 -> ??
+            0xFFFFFFFF,  // 16 -> ??
+        };
+        boolean[] has_keys = joystickDevice.hasKeys(keys);
+        for (int i = 0; i < keys.length; ++i) {
+            if (has_keys[i]) {
+                button_mask |= masks[i];
+            }
+        }
+        return button_mask;
+    }
+}
+
+class SDLHapticHandler_API26 extends SDLHapticHandler {
+    @Override
+    public void run(int device_id, float intensity, int length) {
+        SDLHaptic haptic = getHaptic(device_id);
+        if (haptic != null) {
+            Log.d("SDL", "Rtest: Vibe with intensity " + intensity + " for " + length);
+            if (intensity == 0.0f) {
+                stop(device_id);
+                return;
+            }
+
+            int vibeValue = Math.round(intensity * 255);
+
+            if (vibeValue > 255) {
+                vibeValue = 255;
+            }
+            if (vibeValue < 1) {
+                stop(device_id);
+                return;
+            }
+            try {
+                haptic.vib.vibrate(VibrationEffect.createOneShot(length, vibeValue));
+            }
+            catch (Exception e) {
+                // Fall back to the generic method, which uses DEFAULT_AMPLITUDE, but works even if
+                // something went horribly wrong with the Android 8.0 APIs.
+                haptic.vib.vibrate(length);
+            }
+        }
+    }
+}
+
+class SDLHapticHandler {
+
+    static class SDLHaptic {
+        public int device_id;
+        public String name;
+        public Vibrator vib;
+    }
+
+    private final ArrayList<SDLHaptic> mHaptics;
+
+    public SDLHapticHandler() {
+        mHaptics = new ArrayList<SDLHaptic>();
+    }
+
+    public void run(int device_id, float intensity, int length) {
+        SDLHaptic haptic = getHaptic(device_id);
+        if (haptic != null) {
+            haptic.vib.vibrate(length);
+        }
+    }
+
+    public void stop(int device_id) {
+        SDLHaptic haptic = getHaptic(device_id);
+        if (haptic != null) {
+            haptic.vib.cancel();
+        }
+    }
+
+    public void pollHapticDevices() {
+
+        final int deviceId_VIBRATOR_SERVICE = 999999;
+        boolean hasVibratorService = false;
+
+        int[] deviceIds = InputDevice.getDeviceIds();
+        // It helps processing the device ids in reverse order
+        // For example, in the case of the XBox 360 wireless dongle,
+        // so the first controller seen by SDL matches what the receiver
+        // considers to be the first controller
+
+        for (int i = deviceIds.length - 1; i > -1; i--) {
+            SDLHaptic haptic = getHaptic(deviceIds[i]);
+            if (haptic == null) {
+                InputDevice device = InputDevice.getDevice(deviceIds[i]);
+                Vibrator vib = device.getVibrator();
+                if (vib.hasVibrator()) {
+                    haptic = new SDLHaptic();
+                    haptic.device_id = deviceIds[i];
+                    haptic.name = device.getName();
+                    haptic.vib = vib;
+                    mHaptics.add(haptic);
+                    SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
+                }
+            }
+        }
+
+        /* Check VIBRATOR_SERVICE */
+        Vibrator vib = (Vibrator) SDL.getContext().getSystemService(Context.VIBRATOR_SERVICE);
+        if (vib != null) {
+            hasVibratorService = vib.hasVibrator();
+
+            if (hasVibratorService) {
+                SDLHaptic haptic = getHaptic(deviceId_VIBRATOR_SERVICE);
+                if (haptic == null) {
+                    haptic = new SDLHaptic();
+                    haptic.device_id = deviceId_VIBRATOR_SERVICE;
+                    haptic.name = "VIBRATOR_SERVICE";
+                    haptic.vib = vib;
+                    mHaptics.add(haptic);
+                    SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
+                }
+            }
+        }
+
+        /* Check removed devices */
+        ArrayList<Integer> removedDevices = null;
+        for (SDLHaptic haptic : mHaptics) {
+            int device_id = haptic.device_id;
+            int i;
+            for (i = 0; i < deviceIds.length; i++) {
+                if (device_id == deviceIds[i]) break;
+            }
+
+            if (device_id != deviceId_VIBRATOR_SERVICE || !hasVibratorService) {
+                if (i == deviceIds.length) {
+                    if (removedDevices == null) {
+                        removedDevices = new ArrayList<Integer>();
+                    }
+                    removedDevices.add(device_id);
+                }
+            }  // else: don't remove the vibrator if it is still present
+        }
+
+        if (removedDevices != null) {
+            for (int device_id : removedDevices) {
+                SDLControllerManager.nativeRemoveHaptic(device_id);
+                for (int i = 0; i < mHaptics.size(); i++) {
+                    if (mHaptics.get(i).device_id == device_id) {
+                        mHaptics.remove(i);
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    protected SDLHaptic getHaptic(int device_id) {
+        for (SDLHaptic haptic : mHaptics) {
+            if (haptic.device_id == device_id) {
+                return haptic;
+            }
+        }
+        return null;
+    }
+}
+
+class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
+    // Generic Motion (mouse hover, joystick...) events go here
+    @Override
+    public boolean onGenericMotion(View v, MotionEvent event) {
+        float x, y;
+        int action;
+
+        switch ( event.getSource() ) {
+            case InputDevice.SOURCE_JOYSTICK:
+            case InputDevice.SOURCE_GAMEPAD:
+            case InputDevice.SOURCE_DPAD:
+                return SDLControllerManager.handleJoystickMotionEvent(event);
+
+            case InputDevice.SOURCE_MOUSE:
+                action = event.getActionMasked();
+                switch (action) {
+                    case MotionEvent.ACTION_SCROLL:
+                        x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+                        y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    case MotionEvent.ACTION_HOVER_MOVE:
+                        x = event.getX(0);
+                        y = event.getY(0);
+
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    default:
+                        break;
+                }
+                break;
+
+            default:
+                break;
+        }
+
+        // Event was not managed
+        return false;
+    }
+
+    public boolean supportsRelativeMouse() {
+        return false;
+    }
+
+    public boolean inRelativeMode() {
+        return false;
+    }
+
+    public boolean setRelativeMouseEnabled(boolean enabled) {
+        return false;
+    }
+
+    public void reclaimRelativeMouseModeIfNeeded()
+    {
+
+    }
+
+    public float getEventX(MotionEvent event) {
+        return event.getX(0);
+    }
+
+    public float getEventY(MotionEvent event) {
+        return event.getY(0);
+    }
+
+}
+
+class SDLGenericMotionListener_API24 extends SDLGenericMotionListener_API12 {
+    // Generic Motion (mouse hover, joystick...) events go here
+
+    private boolean mRelativeModeEnabled;
+
+    @Override
+    public boolean onGenericMotion(View v, MotionEvent event) {
+
+        // Handle relative mouse mode
+        if (mRelativeModeEnabled) {
+            if (event.getSource() == InputDevice.SOURCE_MOUSE) {
+                int action = event.getActionMasked();
+                if (action == MotionEvent.ACTION_HOVER_MOVE) {
+                    float x = event.getAxisValue(MotionEvent.AXIS_RELATIVE_X);
+                    float y = event.getAxisValue(MotionEvent.AXIS_RELATIVE_Y);
+                    SDLActivity.onNativeMouse(0, action, x, y, true);
+                    return true;
+                }
+            }
+        }
+
+        // Event was not managed, call SDLGenericMotionListener_API12 method
+        return super.onGenericMotion(v, event);
+    }
+
+    @Override
+    public boolean supportsRelativeMouse() {
+        return true;
+    }
+
+    @Override
+    public boolean inRelativeMode() {
+        return mRelativeModeEnabled;
+    }
+
+    @Override
+    public boolean setRelativeMouseEnabled(boolean enabled) {
+        mRelativeModeEnabled = enabled;
+        return true;
+    }
+
+    @Override
+    public float getEventX(MotionEvent event) {
+        if (mRelativeModeEnabled) {
+            return event.getAxisValue(MotionEvent.AXIS_RELATIVE_X);
+        } else {
+            return event.getX(0);
+        }
+    }
+
+    @Override
+    public float getEventY(MotionEvent event) {
+        if (mRelativeModeEnabled) {
+            return event.getAxisValue(MotionEvent.AXIS_RELATIVE_Y);
+        } else {
+            return event.getY(0);
+        }
+    }
+}
+
+class SDLGenericMotionListener_API26 extends SDLGenericMotionListener_API24 {
+    // Generic Motion (mouse hover, joystick...) events go here
+    private boolean mRelativeModeEnabled;
+
+    @Override
+    public boolean onGenericMotion(View v, MotionEvent event) {
+        float x, y;
+        int action;
+
+        switch ( event.getSource() ) {
+            case InputDevice.SOURCE_JOYSTICK:
+            case InputDevice.SOURCE_GAMEPAD:
+            case InputDevice.SOURCE_DPAD:
+                return SDLControllerManager.handleJoystickMotionEvent(event);
+
+            case InputDevice.SOURCE_MOUSE:
+            // DeX desktop mouse cursor is a separate non-standard input type.
+            case InputDevice.SOURCE_MOUSE | InputDevice.SOURCE_TOUCHSCREEN:
+                action = event.getActionMasked();
+                switch (action) {
+                    case MotionEvent.ACTION_SCROLL:
+                        x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+                        y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    case MotionEvent.ACTION_HOVER_MOVE:
+                        x = event.getX(0);
+                        y = event.getY(0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    default:
+                        break;
+                }
+                break;
+
+            case InputDevice.SOURCE_MOUSE_RELATIVE:
+                action = event.getActionMasked();
+                switch (action) {
+                    case MotionEvent.ACTION_SCROLL:
+                        x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+                        y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    case MotionEvent.ACTION_HOVER_MOVE:
+                        x = event.getX(0);
+                        y = event.getY(0);
+                        SDLActivity.onNativeMouse(0, action, x, y, true);
+                        return true;
+
+                    default:
+                        break;
+                }
+                break;
+
+            default:
+                break;
+        }
+
+        // Event was not managed
+        return false;
+    }
+
+    @Override
+    public boolean supportsRelativeMouse() {
+        return (!SDLActivity.isDeXMode() || (Build.VERSION.SDK_INT >= 27));
+    }
+
+    @Override
+    public boolean inRelativeMode() {
+        return mRelativeModeEnabled;
+    }
+
+    @Override
+    public boolean setRelativeMouseEnabled(boolean enabled) {
+        if (!SDLActivity.isDeXMode() || (Build.VERSION.SDK_INT >= 27)) {
+            if (enabled) {
+                SDLActivity.getContentView().requestPointerCapture();
+            } else {
+                SDLActivity.getContentView().releasePointerCapture();
+            }
+            mRelativeModeEnabled = enabled;
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public void reclaimRelativeMouseModeIfNeeded()
+    {
+        if (mRelativeModeEnabled && !SDLActivity.isDeXMode()) {
+            SDLActivity.getContentView().requestPointerCapture();
+        }
+    }
+
+    @Override
+    public float getEventX(MotionEvent event) {
+        // Relative mouse in capture mode will only have relative for X/Y
+        return event.getX(0);
+    }
+
+    @Override
+    public float getEventY(MotionEvent event) {
+        // Relative mouse in capture mode will only have relative for X/Y
+        return event.getY(0);
+    }
+}

android/app/src/main/java/org/tildearrow/furnace/MainActivity.java

@@ -0,0 +1,7 @@
+package org.tildearrow.furnace;
+
+import org.libsdl.app.SDLActivity;
+
+public class MainActivity extends SDLActivity
+{
+}

android/app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Furnace</string>
+</resources>

android/app/src/main/res/values/styles.xml

@@ -0,0 +1,8 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+
+</resources>

android/build.gradle

@@ -0,0 +1,25 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        mavenCentral()
+        google()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.0.3'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        mavenCentral()
+        google()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

android/gradle.properties

@@ -0,0 +1,17 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Thu Nov 11 18:20:34 PST 2021
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

android/gradlew

@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

android/gradlew.bat

@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

android/settings.gradle

@@ -0,0 +1 @@
+include ':app'

papers/format.md

@@ -232,6 +232,9 @@ size | description
   4f | A-4 tuning
   1  | limit slides (>=36) or reserved
   1  | linear pitch (>=36) or reserved
+     | - 0: non-linaer
+     | - 1: only pitch change (04xy/E5xx) linear
+     | - 2: full linear (>=94)
   1  | loop modality (>=36) or reserved
   1  | proper noise layout (>=42) or reserved
   1  | wave duty is volume (>=42) or reserved
@@ -286,7 +289,8 @@ size | description
   1  | weird f-num/block-based chip pitch slides (>=85) or reserved
   1  | SN duty macro always resets phase (>=86) or reserved
   1  | pitch macro is linear (>=90) or reserved
- 19  | reserved
+  1  | pitch slide speed in full linear pitch mode (>=94) or reserved
+ 18  | reserved
 ```
 
 # instrument

src/audio/taAudio.h

@@ -94,7 +94,7 @@ struct TAMidiMessage {
   double time;
   unsigned char type;
   unsigned char data[7];
-  std::shared_ptr<unsigned char[]> sysExData;
+  std::shared_ptr<unsigned char> sysExData;
   size_t sysExLen;
 
   void submitSysEx(std::vector<unsigned char> data);

src/engine/engine.cpp

@@ -987,6 +987,9 @@ int DivEngine::calcBaseFreq(double clock, double divider, int note, bool period)
 }*/
 
 double DivEngine::calcBaseFreq(double clock, double divider, int note, bool period) {
+  if (song.linearPitch==2) { // full linear
+    return (note<<7);
+  }
   double base=(period?(song.tuning*0.0625):song.tuning)*pow(2.0,(float)(note+3)/12.0);
   return period?
          (clock/base)/divider:
@@ -994,19 +997,27 @@ double DivEngine::calcBaseFreq(double clock, double divider, int note, bool peri
 }
 
 unsigned short DivEngine::calcBaseFreqFNumBlock(double clock, double divider, int note, int bits) {
+  if (song.linearPitch==2) { // full linear
+    return (note<<7);
+  }
+  double tuning=song.tuning;
+  if (tuning<400.0) tuning=400.0;
+  if (tuning>500.0) tuning=500.0;
   int bf=calcBaseFreq(clock,divider,note,false);
+  int boundaryBottom=tuning*pow(2.0,0.25)*(divider/clock);
+  int boundaryTop=2.0*tuning*pow(2.0,0.25)*(divider/clock);
   int block=note/12;
   if (block<0) block=0;
   if (block>7) block=7;
   bf>>=block;
   if (bf<0) bf=0;
   // octave boundaries
-  while (bf>0 && bf<644 && block>0) {
+  while (bf>0 && bf<boundaryBottom && block>0) {
     bf<<=1;
     block--;
   }
-  if (bf>1288) {
+  if (bf>boundaryTop) {
-    while (block<7) {
+    while (block<7 && bf>boundaryTop) {
       bf>>=1;
       block++;
     }
@@ -1014,11 +1025,19 @@ unsigned short DivEngine::calcBaseFreqFNumBlock(double clock, double divider, in
       bf=(1<<bits)-1;
     }
   }
+  //logV("f-num: %d block: %d",bf,block);
   return bf|(block<<bits);
 }
 
-int DivEngine::calcFreq(int base, int pitch, bool period, int octave, int pitch2) {
+int DivEngine::calcFreq(int base, int pitch, bool period, int octave, int pitch2, double clock, double divider) {
-  if (song.linearPitch) {
+  if (song.linearPitch==2) {
+    // do frequency calculation here
+    double fbase=(period?(song.tuning*0.0625):song.tuning)*pow(2.0,(float)(base+pitch+384)/(128.0*12.0));
+    return period?
+          (clock/fbase)/divider:
+          fbase*(divider/clock);
+  }
+  if (song.linearPitch==1) {
     // global pitch multiplier
     int whatTheFuck=(1024+(globalPitch<<6)-(globalPitch<0?globalPitch-6:0));
     if (whatTheFuck<1) whatTheFuck=1; // avoids division by zero but please kill me
@@ -1213,7 +1232,7 @@ void DivEngine::reset() {
     chan[i]=DivChannelState();
     if (i<chans) chan[i].volMax=(disCont[dispatchOfChan[i]].dispatch->dispatch(DivCommand(DIV_CMD_GET_VOLMAX,dispatchChanOfChan[i]))<<8)|0xff;
     chan[i].volume=chan[i].volMax;
-    if (!song.linearPitch) chan[i].vibratoFine=4;
+    if (song.linearPitch==0) chan[i].vibratoFine=4;
   }
   extValue=0;
   extValuePresent=0;
@@ -2662,6 +2681,8 @@ bool DivEngine::init() {
   // init config
 #ifdef _WIN32
   configPath=getWinConfigPath();
+#elif defined(ANDROID)
+  configPath=SDL_GetPrefPath("tildearrow","furnace");
 #else
   struct stat st;
   char* home=getenv("HOME");

src/engine/engine.h

@@ -45,8 +45,8 @@
 #define BUSY_BEGIN_SOFT softLocked=true; isBusy.lock();
 #define BUSY_END isBusy.unlock(); softLocked=false;
 
-#define DIV_VERSION "dev93"
+#define DIV_VERSION "dev94"
-#define DIV_ENGINE_VERSION 93
+#define DIV_ENGINE_VERSION 94
 
 // for imports
 #define DIV_VERSION_MOD 0xff01
@@ -486,7 +486,7 @@ class DivEngine {
     unsigned short calcBaseFreqFNumBlock(double clock, double divider, int note, int bits);
 
     // calculate frequency/period
-    int calcFreq(int base, int pitch, bool period=false, int octave=0, int pitch2=0);
+    int calcFreq(int base, int pitch, bool period=false, int octave=0, int pitch2=0, double clock=1.0, double divider=1.0);
 
     // convert panning formats
     int convertPanSplitToLinear(unsigned int val, unsigned char bits, int range);

src/engine/fileOps.cpp

@@ -139,7 +139,7 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
 
     // compatibility flags
     ds.limitSlides=true;
-    ds.linearPitch=true;
+    ds.linearPitch=1;
     ds.loopModality=0;
     ds.properNoiseLayout=false;
     ds.waveDutyIsVol=false;
@@ -173,12 +173,14 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
       ds.legacyVolumeSlides=false;
     }
 
-    // Neo Geo detune
+    // Neo Geo detune is caused by Defle running Neo Geo at the wrong clock.
+    /*
     if (ds.system[0]==DIV_SYSTEM_YM2610 || ds.system[0]==DIV_SYSTEM_YM2610_EXT
      || ds.system[0]==DIV_SYSTEM_YM2610_FULL || ds.system[0]==DIV_SYSTEM_YM2610_FULL_EXT
      || ds.system[0]==DIV_SYSTEM_YM2610B || ds.system[0]==DIV_SYSTEM_YM2610B_EXT) {
       ds.tuning=443.23;
     }
+    */
 
     logI("reading module data...");
     if (ds.version>0x0c) {
@@ -948,7 +950,7 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
 
     if (ds.version<37) { // compat flags not stored back then
       ds.limitSlides=true;
-      ds.linearPitch=true;
+      ds.linearPitch=1;
       ds.loopModality=0;
     }
     if (ds.version<43) {
@@ -1390,7 +1392,12 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
       } else {
         reader.readC();
       }
-      for (int i=0; i<19; i++) {
+      if (ds.version>=94) {
+        ds.pitchSlideSpeed=reader.readC();
+      } else {
+        reader.readC();
+      }
+      for (int i=0; i<18; i++) {
         reader.readC();
       }
     }
@@ -1654,7 +1661,7 @@ bool DivEngine::loadMod(unsigned char* file, size_t len) {
     DivSong ds;
     ds.tuning=436.0;
     ds.version=DIV_VERSION_MOD;
-    ds.linearPitch=false;
+    ds.linearPitch=0;
     ds.noSlidesOnFirstTick=true;
     ds.rowResetsArpPos=true;
     ds.ignoreJumpAtEnd=false;
@@ -2713,7 +2720,8 @@ SafeWriter* DivEngine::saveFur(bool notPrimary) {
   w->writeC(song.fbPortaPause);
   w->writeC(song.snDutyReset);
   w->writeC(song.pitchMacroIsLinear);
-  for (int i=0; i<19; i++) {
+  w->writeC(song.pitchSlideSpeed);
+  for (int i=0; i<18; i++) {
     w->writeC(0);
   }
 

src/engine/platform/amiga.cpp

@@ -220,7 +220,7 @@ void DivPlatformAmiga::tick(bool sysTick) {
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       //DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AMIGA);
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (chan[i].freq>4095) chan[i].freq=4095;
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].keyOn) {

src/engine/platform/ay.cpp

@@ -251,7 +251,7 @@ void DivPlatformAY8910::tick(bool sysTick) {
       if (!chan[i].std.ex3.will) chan[i].autoEnvNum=1;
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (chan[i].freq>4095) chan[i].freq=4095;
       if (chan[i].keyOn) {
         //rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(ins->gb.soundLen&63)));

src/engine/platform/ay8930.cpp

@@ -280,7 +280,7 @@ void DivPlatformAY8930::tick(bool sysTick) {
       immWrite(0x1a,ayNoiseOr);
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (chan[i].freq>65535) chan[i].freq=65535;
       if (chan[i].keyOn) {
         if (chan[i].insChanged) {

src/engine/platform/bubsyswsg.cpp

@@ -137,7 +137,7 @@ void DivPlatformBubSysWSG::tick(bool sysTick) {
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       //DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SCC);
-      chan[i].freq=0x1000-parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true)+chan[i].pitch2;
+      chan[i].freq=0x1000-parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].freq>4095) chan[i].freq=4095;
       k005289->load(i,chan[i].freq);

src/engine/platform/c64.cpp

@@ -217,7 +217,7 @@ void DivPlatformC64::tick(bool sysTick) {
     }
 
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,8,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,8,chan[i].pitch2,chipClock,CHIP_FREQBASE);
       if (chan[i].freq>0xffff) chan[i].freq=0xffff;
       if (chan[i].keyOn) {
         rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));

src/engine/platform/dummy.cpp

@@ -61,7 +61,7 @@ void DivPlatformDummy::tick(bool sysTick) {
 
     if (chan[i].freqChanged) {
       chan[i].freqChanged=false;
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,0,0,chipClock,CHIP_FREQBASE);
     }
   }
 }

src/engine/platform/fds.cpp

@@ -220,7 +220,7 @@ void DivPlatformFDS::tick(bool sysTick) {
       }
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE);
       if (chan[i].freq>4095) chan[i].freq=4095;
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].keyOn) {

src/engine/platform/gb.cpp

@@ -237,7 +237,7 @@ void DivPlatformGB::tick(bool sysTick) {
         if (ntPos>255) ntPos=255;
         chan[i].freq=noiseTable[ntPos];
       } else {
-        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
         if (chan[i].freq>2047) chan[i].freq=2047;
         if (chan[i].freq<0) chan[i].freq=0;
       }

src/engine/platform/genesis.cpp

@@ -727,6 +727,8 @@ int DivPlatformGenesis::dispatch(DivCommand c) {
         }
         break;
       }
+      int boundaryBottom=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,0,false);
+      int boundaryTop=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,12,false);
       int destFreq=NOTE_FNUM_BLOCK(c.value2,11);
       int newFreq;
       bool return2=false;
@@ -749,13 +751,13 @@ int DivPlatformGenesis::dispatch(DivCommand c) {
       // check for octave boundary
       // what the heck!
       if (!chan[c.chan].portaPause) {
-        if ((newFreq&0x7ff)>1288 && (newFreq&0xf800)<0x3800) {
+        if ((newFreq&0x7ff)>boundaryTop && (newFreq&0xf800)<0x3800) {
-          chan[c.chan].portaPauseFreq=(644)|((newFreq+0x800)&0xf800);
+          chan[c.chan].portaPauseFreq=(boundaryBottom)|((newFreq+0x800)&0xf800);
           chan[c.chan].portaPause=true;
           break;
         }
-        if ((newFreq&0x7ff)<644 && (newFreq&0xf800)>0) {
+        if ((newFreq&0x7ff)<boundaryBottom && (newFreq&0xf800)>0) {
-          chan[c.chan].portaPauseFreq=newFreq=(1287)|((newFreq-0x800)&0xf800);
+          chan[c.chan].portaPauseFreq=newFreq=(boundaryTop-1)|((newFreq-0x800)&0xf800);
           chan[c.chan].portaPause=true;
           break;
         }

src/engine/platform/genesisext.cpp

@@ -127,6 +127,8 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
+      int boundaryBottom=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,0,false);
+      int boundaryTop=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,12,false);
       int destFreq=NOTE_FNUM_BLOCK(c.value2,11);
       int newFreq;
       bool return2=false;
@@ -148,18 +150,18 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
       }
       // what the heck!
       if (!opChan[ch].portaPause) {
-        if ((newFreq&0x7ff)>1288 && (newFreq&0xf800)<0x3800) {
+        if ((newFreq&0x7ff)>boundaryTop && (newFreq&0xf800)<0x3800) {
           if (parent->song.fbPortaPause) {
-            opChan[ch].portaPauseFreq=(644)|((newFreq+0x800)&0xf800);
+            opChan[ch].portaPauseFreq=(boundaryBottom)|((newFreq+0x800)&0xf800);
             opChan[ch].portaPause=true;
             break;
           } else {
             newFreq=(newFreq>>1)|((newFreq+0x800)&0xf800);
           }
         }
-        if ((newFreq&0x7ff)<644 && (newFreq&0xf800)>0) {
+        if ((newFreq&0x7ff)<boundaryBottom && (newFreq&0xf800)>0) {
           if (parent->song.fbPortaPause) {
-            opChan[ch].portaPauseFreq=newFreq=(1287)|((newFreq-0x800)&0xf800);
+            opChan[ch].portaPauseFreq=newFreq=(boundaryTop-1)|((newFreq-0x800)&0xf800);
             opChan[ch].portaPause=true;
             break;
           } else {

src/engine/platform/lynx.cpp

@@ -201,7 +201,7 @@ void DivPlatformLynx::tick(bool sysTick) {
         WRITE_OTHER(i, ((chan[i].lfsr&0xf00)>>4));
         chan[i].lfsr=-1;
       }
-      chan[i].fd=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].fd=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (chan[i].std.duty.had) {
         chan[i].duty=chan[i].std.duty.val;
         WRITE_FEEDBACK(i, chan[i].duty.feedback);

src/engine/platform/mmc5.cpp

@@ -147,7 +147,7 @@ void DivPlatformMMC5::tick(bool sysTick) {
       }
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2)-1;
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER)-1;
       if (chan[i].freq>2047) chan[i].freq=2047;
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].keyOn) {

src/engine/platform/n163.cpp

@@ -357,7 +357,7 @@ void DivPlatformN163::tick(bool sysTick) {
       chan[i].waveUpdated=false;
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq((((chan[i].baseFreq*chan[i].waveLen)*(chanMax+1))/16),chan[i].pitch,false,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq((((chan[i].baseFreq*chan[i].waveLen)*(chanMax+1))/16),chan[i].pitch,false,0,chan[i].pitch2,chipClock,CHIP_FREQBASE);
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].freq>0x3ffff) chan[i].freq=0x3ffff;
       if (chan[i].keyOn) {

src/engine/platform/nes.cpp

@@ -309,7 +309,7 @@ void DivPlatformNES::tick(bool sysTick) {
         if (ntPos>252) ntPos=252;
         chan[i].freq=(parent->song.properNoiseLayout)?(15-(chan[i].baseFreq&15)):(noiseTable[ntPos]);
       } else {
-        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2)-1;
+        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER)-1;
         if (chan[i].freq>2047) chan[i].freq=2047;
         if (chan[i].freq<0) chan[i].freq=0;
       }

src/engine/platform/opl.cpp

@@ -511,7 +511,7 @@ void DivPlatformOPL::tick(bool sysTick) {
   bool updateDrums=false;
   for (int i=0; i<totalChans; i++) {
     if (chan[i].freqChanged) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2,chipClock,CHIP_FREQBASE);
       if (chan[i].freq>131071) chan[i].freq=131071;
       int freqt=toFreq(chan[i].freq)+chan[i].pitch2;
       chan[i].freqH=freqt>>8;

src/engine/platform/opll.cpp

@@ -300,7 +300,7 @@ void DivPlatformOPLL::tick(bool sysTick) {
 
   for (int i=0; i<11; i++) {
     if (chan[i].freqChanged) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2,chipClock,CHIP_FREQBASE);
       if (chan[i].freq>262143) chan[i].freq=262143;
       int freqt=toFreq(chan[i].freq)+chan[i].pitch2;
       chan[i].freqL=freqt&0xff;

src/engine/platform/pce.cpp

@@ -227,7 +227,7 @@ void DivPlatformPCE::tick(bool sysTick) {
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       //DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_PCE);
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (chan[i].furnaceDac) {
         double off=1.0;
         if (chan[i].dacSample>=0 && chan[i].dacSample<parent->song.sampleLen) {

src/engine/platform/pcspkr.cpp

@@ -223,7 +223,7 @@ void DivPlatformPCSpeaker::tick(bool sysTick) {
       chan[i].freqChanged=true;
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2)-1;
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER)-1;
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].freq>65535) chan[i].freq=65535;
       if (chan[i].keyOn) {

src/engine/platform/pet.cpp

@@ -118,7 +118,7 @@ void DivPlatformPET::tick(bool sysTick) {
       chan.freqChanged=true;
     }
   if (chan.freqChanged || chan.keyOn || chan.keyOff) {
-    chan.freq=parent->calcFreq(chan.baseFreq,chan.pitch,true,0,chan.pitch2);
+    chan.freq=parent->calcFreq(chan.baseFreq,chan.pitch,true,0,chan.pitch2,chipClock,CHIP_DIVIDER);
     if (chan.freq>257) chan.freq=257;
     if (chan.freq<2) chan.freq=2;
     rWrite(8,chan.freq-2);

src/engine/platform/qsound.cpp

@@ -24,7 +24,7 @@
 #include <map>
 
 #define CHIP_DIVIDER (1248*2)
-#define QS_NOTE_FREQUENCY(x) parent->calcBaseFreq(440,0x1000,(x)-3,false)
+#define QS_NOTE_FREQUENCY(x) parent->calcBaseFreq(440,4096,(x)-3,false)
 
 #define rWrite(a,v) {if(!skipRegisterWrites) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v); }}
 #define immWrite(a,v) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v);}
@@ -296,14 +296,8 @@ void DivPlatformQSound::tick(bool sysTick) {
     uint16_t qsound_addr = 0;
     uint16_t qsound_loop = 0;
     uint16_t qsound_end = 0;
-    double off=1.0;
     if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
       DivSample* s=parent->getSample(chan[i].sample);
-      if (s->centerRate<1) {
-        off=1.0;
-      } else {
-        off=(double)s->centerRate/24038.0/16.0;
-      }
       qsound_bank = 0x8000 | (s->offQSound >> 16);
       qsound_addr = s->offQSound & 0xffff;
 
@@ -322,15 +316,15 @@ void DivPlatformQSound::tick(bool sysTick) {
     if (chan[i].std.arp.had) {
       if (!chan[i].inPorta) {
         if (chan[i].std.arp.mode) {
-          chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].std.arp.val);
+          chan[i].baseFreq=QS_NOTE_FREQUENCY(chan[i].std.arp.val);
         } else {
-          chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].note+chan[i].std.arp.val);
+          chan[i].baseFreq=QS_NOTE_FREQUENCY(chan[i].note+chan[i].std.arp.val);
         }
       }
       chan[i].freqChanged=true;
     } else {
       if (chan[i].std.arp.mode && chan[i].std.arp.finished) {
-        chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].note);
+        chan[i].baseFreq=QS_NOTE_FREQUENCY(chan[i].note);
         chan[i].freqChanged=true;
       }
     }
@@ -354,7 +348,16 @@ void DivPlatformQSound::tick(bool sysTick) {
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       //DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AMIGA);
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2);
+      double off=1.0;
+      if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
+        DivSample* s=parent->getSample(chan[i].sample);
+        if (s->centerRate<1) {
+          off=1.0;
+        } else {
+          off=(double)s->centerRate/24038.0/16.0;
+        }
+      }
+      chan[i].freq=off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,440.0,4096.0);
       if (chan[i].freq>0xffff) chan[i].freq=0xffff;
       if (chan[i].keyOn) {
         rWrite(q1_reg_map[Q1V_BANK][i], qsound_bank);
@@ -388,17 +391,8 @@ int DivPlatformQSound::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_ON: {
       DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA);
       chan[c.chan].sample=ins->amiga.initSample;
-      double off=1.0;
-      if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
-        DivSample* s=parent->getSample(chan[c.chan].sample);
-        if (s->centerRate<1) {
-          off=1.0;
-        } else {
-          off=(double)s->centerRate/24038.0/16.0;
-        }
-      }
       if (c.value!=DIV_NOTE_NULL) {
-        chan[c.chan].baseFreq=off*QS_NOTE_FREQUENCY(c.value);
+        chan[c.chan].baseFreq=QS_NOTE_FREQUENCY(c.value);
       }
       if (chan[c.chan].sample<0 || chan[c.chan].sample>=parent->song.sampleLen) {
         chan[c.chan].sample=-1;
@@ -467,16 +461,7 @@ int DivPlatformQSound::dispatch(DivCommand c) {
       chan[c.chan].freqChanged=true;
       break;
     case DIV_CMD_NOTE_PORTA: {
-      double off=1.0;
+      int destFreq=QS_NOTE_FREQUENCY(c.value2);
-      if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
-        DivSample* s=parent->getSample(chan[c.chan].sample);
-        if (s->centerRate<1) {
-          off=1.0;
-        } else {
-          off=(double)s->centerRate/24038.0/16.0;
-        }
-      }
-      int destFreq=off*QS_NOTE_FREQUENCY(c.value2);
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
         chan[c.chan].baseFreq+=c.value;
@@ -499,16 +484,7 @@ int DivPlatformQSound::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_LEGATO: {
-      double off=1.0;
+      chan[c.chan].baseFreq=QS_NOTE_FREQUENCY(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val-12):(0)));
-      if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
-        DivSample* s=parent->getSample(chan[c.chan].sample);
-        if (s->centerRate<1) {
-          off=1.0;
-        } else {
-          off=(double)s->centerRate/24038.0/16.0;
-        }
-      }
-      chan[c.chan].baseFreq=off*QS_NOTE_FREQUENCY(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val-12):(0)));
       chan[c.chan].freqChanged=true;
       chan[c.chan].note=c.value;
       break;

src/engine/platform/saa.cpp

@@ -200,7 +200,7 @@ void DivPlatformSAA1099::tick(bool sysTick) {
       rWrite(0x18+(i/3),saaEnv[i/3]);
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (chan[i].freq>65535) chan[i].freq=65535;
       if (chan[i].freq>=32768) {
         chan[i].freqH=7;

src/engine/platform/sms.cpp

@@ -121,7 +121,7 @@ void DivPlatformSMS::tick(bool sysTick) {
   }
   for (int i=0; i<3; i++) {
     if (chan[i].freqChanged) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,64);
       if (chan[i].freq>1023) chan[i].freq=1023;
       if (chan[i].freq<8) chan[i].freq=1;
       //if (chan[i].actualNote>0x5d) chan[i].freq=0x01;
@@ -136,7 +136,7 @@ void DivPlatformSMS::tick(bool sysTick) {
     }
   }
   if (chan[3].freqChanged || updateSNMode) {
-    chan[3].freq=parent->calcFreq(chan[3].baseFreq,chan[3].pitch,true,0,chan[3].pitch2);
+    chan[3].freq=parent->calcFreq(chan[3].baseFreq,chan[3].pitch,true,0,chan[3].pitch2,chipClock,isRealSN?60:64);
     if (chan[3].freq>1023) chan[3].freq=1023;
     if (chan[3].actualNote>0x5d) chan[3].freq=0x01;
     if (snNoiseMode&2) { // take period from channel 3

src/engine/platform/su.cpp

@@ -183,7 +183,7 @@ void DivPlatformSoundUnit::tick(bool sysTick) {
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       //DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE);
       if (chan[i].pcm) {
         DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
         DivSample* sample=parent->getSample(ins->amiga.initSample);

src/engine/platform/swan.cpp

@@ -203,7 +203,7 @@ void DivPlatformSwan::tick(bool sysTick) {
       }
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (i==1 && pcm && furnaceDac) {
         double off=1.0;
         if (dacSample>=0 && dacSample<parent->song.sampleLen) {

src/engine/platform/tx81z.cpp

@@ -919,7 +919,6 @@ int DivPlatformTX81Z::dispatch(DivCommand c) {
     }
     case DIV_CMD_FM_FIXFREQ: {
       if (c.value<0 || c.value>3) break;
-      printf("fixfreq %x\n",c.value2);
       unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
       DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
       op.egt=(c.value2>0);

src/engine/platform/vera.cpp

@@ -147,6 +147,7 @@ void DivPlatformVERA::reset() {
   chan[16].pan=3;
 }
 
+// TODO: linear pitch stuff
 int DivPlatformVERA::calcNoteFreq(int ch, int note) {
   if (ch<16) {
     return parent->calcBaseFreq(chipClock,2097152,note,false);
@@ -208,7 +209,7 @@ void DivPlatformVERA::tick(bool sysTick) {
       chan[i].freqChanged=true;
     }
     if (chan[i].freqChanged) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,8,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,8,chan[i].pitch2,chipClock,2097152);
       if (chan[i].freq>65535) chan[i].freq=65535;
       rWrite(i,0,chan[i].freq&0xff);
       rWrite(i,1,(chan[i].freq>>8)&0xff);

src/engine/platform/vic20.cpp

@@ -132,7 +132,7 @@ void DivPlatformVIC20::tick(bool sysTick) {
       chan[i].freqChanged=true;
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
       if (i<3) {
         chan[i].freq>>=(2-i);
       } else {

src/engine/platform/vrc6.cpp

@@ -197,9 +197,9 @@ void DivPlatformVRC6::tick(bool sysTick) {
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       if (i==2) { // sawtooth
-        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2)-1;
+        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,14)-1;
       } else { // pulse
-        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2)-1;
+        chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,16)-1;
         if (chan[i].furnaceDac) {
           double off=1.0;
           if (chan[i].dacSample>=0 && chan[i].dacSample<parent->song.sampleLen) {

src/engine/platform/x1_010.cpp

@@ -260,6 +260,7 @@ void DivPlatformX1_010::acquire(short* bufL, short* bufR, size_t start, size_t l
   }
 }
 
+// TODO: linear pitch stuff
 double DivPlatformX1_010::NoteX1_010(int ch, int note) {
   if (chan[ch].pcm) { // PCM note
     double off=1.0;
@@ -487,7 +488,7 @@ void DivPlatformX1_010::tick(bool sysTick) {
       chan[i].envChanged=false;
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE);
       if (chan[i].pcm) {
         if (chan[i].freq<1) chan[i].freq=1;
         if (chan[i].freq>255) chan[i].freq=255;

src/engine/platform/ym2610.cpp

@@ -456,7 +456,7 @@ double DivPlatformYM2610::NOTE_OPNB(int ch, int note) {
     return NOTE_PERIODIC(note);
   }
   // FM
-  return NOTE_FREQUENCY(note);
+  return NOTE_FNUM_BLOCK(note,11);
 }
 
 double DivPlatformYM2610::NOTE_ADPCMB(int note) {
@@ -559,15 +559,15 @@ void DivPlatformYM2610::tick(bool sysTick) {
     if (chan[i].std.arp.had) {
       if (!chan[i].inPorta) {
         if (chan[i].std.arp.mode) {
-          chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp.val);
+          chan[i].baseFreq=NOTE_FNUM_BLOCK(chan[i].std.arp.val,11);
         } else {
-          chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+(signed char)chan[i].std.arp.val);
+          chan[i].baseFreq=NOTE_FNUM_BLOCK(chan[i].note+(signed char)chan[i].std.arp.val,11);
         }
       }
       chan[i].freqChanged=true;
     } else {
       if (chan[i].std.arp.mode && chan[i].std.arp.finished) {
-        chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
+        chan[i].baseFreq=NOTE_FNUM_BLOCK(chan[i].note,11);
         chan[i].freqChanged=true;
       }
     }
@@ -742,11 +742,20 @@ void DivPlatformYM2610::tick(bool sysTick) {
   for (int i=0; i<4; i++) {
     if (i==1 && extMode) continue;
     if (chan[i].freqChanged) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2);
+      int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,false,4,chan[i].pitch2);
-      if (chan[i].freq>262143) chan[i].freq=262143;
+      int block=(chan[i].baseFreq&0xf800)>>11;
-      int freqt=toFreq(chan[i].freq)+chan[i].pitch2;
+      if (fNum<0) fNum=0;
-      immWrite(chanOffs[i]+ADDR_FREQH,freqt>>8);
+      if (fNum>2047) {
-      immWrite(chanOffs[i]+ADDR_FREQ,freqt&0xff);
+        while (block<7) {
+          fNum>>=1;
+          block++;
+        }
+        if (fNum>2047) fNum=2047;
+      }
+      chan[i].freq=(block<<11)|fNum;
+      if (chan[i].freq>0x3fff) chan[i].freq=0x3fff;
+      immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8);
+      immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff);
       chan[i].freqChanged=false;
     }
     if (chan[i].keyOn) {
@@ -756,47 +765,6 @@ void DivPlatformYM2610::tick(bool sysTick) {
   }
 }
 
-int DivPlatformYM2610::octave(int freq) {
-  if (freq>=622.0f*128) {
-    return 128;
-  } else if (freq>=622.0f*64) {
-    return 64;
-  } else if (freq>=622.0f*32) {
-    return 32;
-  } else if (freq>=622.0f*16) {
-    return 16;
-  } else if (freq>=622.0f*8) {
-    return 8;
-  } else if (freq>=622.0f*4) {
-    return 4;
-  } else if (freq>=622.0f*2) {
-    return 2;
-  } else {
-    return 1;
-  }
-  return 1;
-}
-
-int DivPlatformYM2610::toFreq(int freq) {
-  if (freq>=622.0f*128) {
-    return 0x3800|((freq>>7)&0x7ff);
-  } else if (freq>=622.0f*64) {
-    return 0x3000|((freq>>6)&0x7ff);
-  } else if (freq>=622.0f*32) {
-    return 0x2800|((freq>>5)&0x7ff);
-  } else if (freq>=622.0f*16) {
-    return 0x2000|((freq>>4)&0x7ff);
-  } else if (freq>=622.0f*8) {
-    return 0x1800|((freq>>3)&0x7ff);
-  } else if (freq>=622.0f*4) {
-    return 0x1000|((freq>>2)&0x7ff);
-  } else if (freq>=622.0f*2) {
-    return 0x800|((freq>>1)&0x7ff);
-  } else {
-    return freq&0x7ff;
-  }
-}
-
 int DivPlatformYM2610::dispatch(DivCommand c) {
   if (c.chan>3 && c.chan<7) {
     c.chan-=4;
@@ -928,7 +896,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
       chan[c.chan].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
-        chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
+        chan[c.chan].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
         chan[c.chan].portaPause=false;
         chan[c.chan].freqChanged=true;
         chan[c.chan].note=c.value;
@@ -1048,33 +1016,48 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
         }
         break;
       }
-
+      int boundaryBottom=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,0,false);
-      int destFreq=NOTE_FREQUENCY(c.value2);
+      int boundaryTop=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,12,false);
+      int destFreq=NOTE_FNUM_BLOCK(c.value2,11);
       int newFreq;
       bool return2=false;
+      if (chan[c.chan].portaPause) {
+        chan[c.chan].baseFreq=chan[c.chan].portaPauseFreq;
+      }
       if (destFreq>chan[c.chan].baseFreq) {
-        newFreq=chan[c.chan].baseFreq+c.value*octave(chan[c.chan].baseFreq);
+        newFreq=chan[c.chan].baseFreq+c.value;
         if (newFreq>=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       } else {
-        newFreq=chan[c.chan].baseFreq-c.value*octave(chan[c.chan].baseFreq);
+        newFreq=chan[c.chan].baseFreq-c.value;
         if (newFreq<=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       }
+      // check for octave boundary
+      // what the heck!
       if (!chan[c.chan].portaPause) {
-        if (octave(chan[c.chan].baseFreq)!=octave(newFreq)) {
+        if ((newFreq&0x7ff)>boundaryTop && (newFreq&0xf800)<0x3800) {
+          chan[c.chan].portaPauseFreq=(boundaryBottom)|((newFreq+0x800)&0xf800);
+          chan[c.chan].portaPause=true;
+          break;
+        }
+        if ((newFreq&0x7ff)<boundaryBottom && (newFreq&0xf800)>0) {
+          chan[c.chan].portaPauseFreq=newFreq=(boundaryTop-1)|((newFreq-0x800)&0xf800);
           chan[c.chan].portaPause=true;
           break;
         }
       }
-      chan[c.chan].baseFreq=newFreq;
       chan[c.chan].portaPause=false;
       chan[c.chan].freqChanged=true;
-      if (return2) return 2;
+      chan[c.chan].baseFreq=newFreq;
+      if (return2) {
+        chan[c.chan].inPorta=false;
+        return 2;
+      }
       break;
     }
     case DIV_CMD_SAMPLE_BANK:

src/engine/platform/ym2610.h

@@ -61,7 +61,7 @@ class DivPlatformYM2610: public DivPlatformYM2610Base {
     struct Channel {
       DivInstrumentFM state;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, pitch2, note, ins;
+      int freq, baseFreq, pitch, pitch2, portaPauseFreq, note, ins;
       unsigned char psgMode, autoEnvNum, autoEnvDen;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, furnacePCM, hardReset;
@@ -80,6 +80,7 @@ class DivPlatformYM2610: public DivPlatformYM2610Base {
         baseFreq(0),
         pitch(0),
         pitch2(0),
+        portaPauseFreq(0),
         note(0),
         ins(-1),
         psgMode(1),
@@ -125,8 +126,6 @@ class DivPlatformYM2610: public DivPlatformYM2610Base {
     short oldWrites[512];
     short pendingWrites[512];
 
-    int octave(int freq);
-    int toFreq(int freq);
     double NOTE_OPNB(int ch, int note);
     double NOTE_ADPCMB(int note);
     friend void putDispatchChan(void*,int,int);

src/engine/platform/ym2610b.cpp

@@ -436,7 +436,7 @@ double DivPlatformYM2610B::NOTE_OPNB(int ch, int note) {
     return NOTE_PERIODIC(note);
   }
   // FM
-  return NOTE_FREQUENCY(note);
+  return NOTE_FNUM_BLOCK(note,11);
 }
 
 double DivPlatformYM2610B::NOTE_ADPCMB(int note) {
@@ -538,15 +538,15 @@ void DivPlatformYM2610B::tick(bool sysTick) {
     if (chan[i].std.arp.had) {
       if (!chan[i].inPorta) {
         if (chan[i].std.arp.mode) {
-          chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp.val);
+          chan[i].baseFreq=NOTE_FNUM_BLOCK(chan[i].std.arp.val,11);
         } else {
-          chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+(signed char)chan[i].std.arp.val);
+          chan[i].baseFreq=NOTE_FNUM_BLOCK(chan[i].note+(signed char)chan[i].std.arp.val,11);
         }
       }
       chan[i].freqChanged=true;
     } else {
       if (chan[i].std.arp.mode && chan[i].std.arp.finished) {
-        chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
+        chan[i].baseFreq=NOTE_FNUM_BLOCK(chan[i].note,11);
         chan[i].freqChanged=true;
       }
     }
@@ -720,11 +720,20 @@ void DivPlatformYM2610B::tick(bool sysTick) {
   for (int i=0; i<6; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2);
+      int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,false,4,chan[i].pitch2);
-      if (chan[i].freq>262143) chan[i].freq=262143;
+      int block=(chan[i].baseFreq&0xf800)>>11;
-      int freqt=toFreq(chan[i].freq)+chan[i].pitch2;
+      if (fNum<0) fNum=0;
-      immWrite(chanOffs[i]+ADDR_FREQH,freqt>>8);
+      if (fNum>2047) {
-      immWrite(chanOffs[i]+ADDR_FREQ,freqt&0xff);
+        while (block<7) {
+          fNum>>=1;
+          block++;
+        }
+        if (fNum>2047) fNum=2047;
+      }
+      chan[i].freq=(block<<11)|fNum;
+      if (chan[i].freq>0x3fff) chan[i].freq=0x3fff;
+      immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8);
+      immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff);
       chan[i].freqChanged=false;
     }
     if (chan[i].keyOn) {
@@ -734,47 +743,6 @@ void DivPlatformYM2610B::tick(bool sysTick) {
   }
 }
 
-int DivPlatformYM2610B::octave(int freq) {
-  if (freq>=622.0f*128) {
-    return 128;
-  } else if (freq>=622.0f*64) {
-    return 64;
-  } else if (freq>=622.0f*32) {
-    return 32;
-  } else if (freq>=622.0f*16) {
-    return 16;
-  } else if (freq>=622.0f*8) {
-    return 8;
-  } else if (freq>=622.0f*4) {
-    return 4;
-  } else if (freq>=622.0f*2) {
-    return 2;
-  } else {
-    return 1;
-  }
-  return 1;
-}
-
-int DivPlatformYM2610B::toFreq(int freq) {
-  if (freq>=622.0f*128) {
-    return 0x3800|((freq>>7)&0x7ff);
-  } else if (freq>=622.0f*64) {
-    return 0x3000|((freq>>6)&0x7ff);
-  } else if (freq>=622.0f*32) {
-    return 0x2800|((freq>>5)&0x7ff);
-  } else if (freq>=622.0f*16) {
-    return 0x2000|((freq>>4)&0x7ff);
-  } else if (freq>=622.0f*8) {
-    return 0x1800|((freq>>3)&0x7ff);
-  } else if (freq>=622.0f*4) {
-    return 0x1000|((freq>>2)&0x7ff);
-  } else if (freq>=622.0f*2) {
-    return 0x800|((freq>>1)&0x7ff);
-  } else {
-    return freq&0x7ff;
-  }
-}
-
 int DivPlatformYM2610B::dispatch(DivCommand c) {
   if (c.chan>5 && c.chan<9) {
     c.chan-=6;
@@ -906,7 +874,7 @@ int DivPlatformYM2610B::dispatch(DivCommand c) {
       chan[c.chan].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
-        chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
+        chan[c.chan].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
         chan[c.chan].portaPause=false;
         chan[c.chan].freqChanged=true;
         chan[c.chan].note=c.value;
@@ -1026,33 +994,48 @@ int DivPlatformYM2610B::dispatch(DivCommand c) {
         }
         break;
       }
-
+      int boundaryBottom=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,0,false);
-      int destFreq=NOTE_FREQUENCY(c.value2);
+      int boundaryTop=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,12,false);
+      int destFreq=NOTE_FNUM_BLOCK(c.value2,11);
       int newFreq;
       bool return2=false;
+      if (chan[c.chan].portaPause) {
+        chan[c.chan].baseFreq=chan[c.chan].portaPauseFreq;
+      }
       if (destFreq>chan[c.chan].baseFreq) {
-        newFreq=chan[c.chan].baseFreq+c.value*octave(chan[c.chan].baseFreq);
+        newFreq=chan[c.chan].baseFreq+c.value;
         if (newFreq>=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       } else {
-        newFreq=chan[c.chan].baseFreq-c.value*octave(chan[c.chan].baseFreq);
+        newFreq=chan[c.chan].baseFreq-c.value;
         if (newFreq<=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       }
+      // check for octave boundary
+      // what the heck!
       if (!chan[c.chan].portaPause) {
-        if (octave(chan[c.chan].baseFreq)!=octave(newFreq)) {
+        if ((newFreq&0x7ff)>boundaryTop && (newFreq&0xf800)<0x3800) {
+          chan[c.chan].portaPauseFreq=(boundaryBottom)|((newFreq+0x800)&0xf800);
+          chan[c.chan].portaPause=true;
+          break;
+        }
+        if ((newFreq&0x7ff)<boundaryBottom && (newFreq&0xf800)>0) {
+          chan[c.chan].portaPauseFreq=newFreq=(boundaryTop-1)|((newFreq-0x800)&0xf800);
           chan[c.chan].portaPause=true;
           break;
         }
       }
-      chan[c.chan].baseFreq=newFreq;
       chan[c.chan].portaPause=false;
       chan[c.chan].freqChanged=true;
-      if (return2) return 2;
+      chan[c.chan].baseFreq=newFreq;
+      if (return2) {
+        chan[c.chan].inPorta=false;
+        return 2;
+      }
       break;
     }
     case DIV_CMD_SAMPLE_BANK:

src/engine/platform/ym2610b.h

@@ -35,7 +35,7 @@ class DivPlatformYM2610B: public DivPlatformYM2610Base {
     struct Channel {
       DivInstrumentFM state;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, pitch2, note, ins;
+      int freq, baseFreq, pitch, pitch2, portaPauseFreq, note, ins;
       unsigned char psgMode, autoEnvNum, autoEnvDen;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, furnacePCM, hardReset;
@@ -54,6 +54,7 @@ class DivPlatformYM2610B: public DivPlatformYM2610Base {
         baseFreq(0),
         pitch(0),
         pitch2(0),
+        portaPauseFreq(0),
         note(0),
         ins(-1),
         psgMode(1),
@@ -98,8 +99,6 @@ class DivPlatformYM2610B: public DivPlatformYM2610Base {
     short oldWrites[512];
     short pendingWrites[512];
 
-    int octave(int freq);
-    int toFreq(int freq);
     double NOTE_OPNB(int ch, int note);
     double NOTE_ADPCMB(int note);
     friend void putDispatchChan(void*,int,int);

src/engine/platform/ym2610bext.cpp

@@ -120,31 +120,51 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      int destFreq=NOTE_FREQUENCY(c.value2);
+      int boundaryBottom=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,0,false);
+      int boundaryTop=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,12,false);
+      int destFreq=NOTE_FNUM_BLOCK(c.value2,11);
       int newFreq;
       bool return2=false;
+      if (opChan[ch].portaPause) {
+        opChan[ch].baseFreq=opChan[ch].portaPauseFreq;
+      }
       if (destFreq>opChan[ch].baseFreq) {
-        newFreq=opChan[ch].baseFreq+c.value*octave(opChan[ch].baseFreq);
+        newFreq=opChan[ch].baseFreq+c.value;
         if (newFreq>=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       } else {
-        newFreq=opChan[ch].baseFreq-c.value*octave(opChan[ch].baseFreq);
+        newFreq=opChan[ch].baseFreq-c.value;
         if (newFreq<=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       }
+      // what the heck!
       if (!opChan[ch].portaPause) {
-        if (octave(opChan[ch].baseFreq)!=octave(newFreq)) {
+        if ((newFreq&0x7ff)>boundaryTop && (newFreq&0xf800)<0x3800) {
+          if (parent->song.fbPortaPause) {
+            opChan[ch].portaPauseFreq=(boundaryBottom)|((newFreq+0x800)&0xf800);
             opChan[ch].portaPause=true;
             break;
+          } else {
+            newFreq=(newFreq>>1)|((newFreq+0x800)&0xf800);
+          }
+        }
+        if ((newFreq&0x7ff)<boundaryBottom && (newFreq&0xf800)>0) {
+          if (parent->song.fbPortaPause) {
+            opChan[ch].portaPauseFreq=newFreq=(boundaryTop-1)|((newFreq-0x800)&0xf800);
+            opChan[ch].portaPause=true;
+            break;
+          } else {
+            newFreq=(newFreq<<1)|((newFreq-0x800)&0xf800);
+          }
         }
       }
-      opChan[ch].baseFreq=newFreq;
       opChan[ch].portaPause=false;
       opChan[ch].freqChanged=true;
+      opChan[ch].baseFreq=newFreq;
       if (return2) return 2;
       break;
     }
@@ -364,14 +384,20 @@ void DivPlatformYM2610BExt::tick(bool sysTick) {
   unsigned char writeMask=2;
   if (extMode) for (int i=0; i<4; i++) {
     if (opChan[i].freqChanged) {
-      opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,false,octave(opChan[i].baseFreq),opChan[i].pitch2);
+      int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,false,4,opChan[i].pitch2);
-      if (opChan[i].freq>262143) opChan[i].freq=262143;
+      int block=(opChan[i].baseFreq&0xf800)>>11;
-      int freqt=toFreq(opChan[i].freq);
+      if (fNum<0) fNum=0;
-      opChan[i].freqH=freqt>>8;
+      if (fNum>2047) {
-      opChan[i].freqL=freqt&0xff;
+        while (block<7) {
-      immWrite(opChanOffsH[i],opChan[i].freqH);
+          fNum>>=1;
-      immWrite(opChanOffsL[i],opChan[i].freqL);
+          block++;
-      opChan[i].freqChanged=false;
+        }
+        if (fNum>2047) fNum=2047;
+      }
+      opChan[i].freq=(block<<11)|fNum;
+      if (opChan[i].freq>0x3fff) opChan[i].freq=0x3fff;
+      immWrite(opChanOffsH[i],opChan[i].freq>>8);
+      immWrite(opChanOffsL[i],opChan[i].freq&0xff);
     }
     writeMask|=opChan[i].active<<(4+i);
     if (opChan[i].keyOn) {

src/engine/platform/ym2610bext.h

@@ -25,12 +25,12 @@ class DivPlatformYM2610BExt: public DivPlatformYM2610B {
   struct OpChannel {
     DivMacroInt std;
     unsigned char freqH, freqL;
-    int freq, baseFreq, pitch, pitch2, ins;
+    int freq, baseFreq, pitch, pitch2, portaPauseFreq, ins;
     signed char konCycles;
     bool active, insChanged, freqChanged, keyOn, keyOff, portaPause;
     int vol;
     unsigned char pan;
-    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
+    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), portaPauseFreq(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
   };
   OpChannel opChan[4];
   bool isOpMuted[4];

src/engine/platform/ym2610ext.cpp

@@ -63,7 +63,7 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
       opChan[ch].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
-        opChan[ch].baseFreq=NOTE_FREQUENCY(c.value);
+        opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
         opChan[ch].portaPause=false;
         opChan[ch].freqChanged=true;
       }
@@ -120,36 +120,56 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      int destFreq=NOTE_FREQUENCY(c.value2);
+      int boundaryBottom=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,0,false);
+      int boundaryTop=parent->calcBaseFreq(chipClock,CHIP_FREQBASE,12,false);
+      int destFreq=NOTE_FNUM_BLOCK(c.value2,11);
       int newFreq;
       bool return2=false;
+      if (opChan[ch].portaPause) {
+        opChan[ch].baseFreq=opChan[ch].portaPauseFreq;
+      }
       if (destFreq>opChan[ch].baseFreq) {
-        newFreq=opChan[ch].baseFreq+c.value*octave(opChan[ch].baseFreq);
+        newFreq=opChan[ch].baseFreq+c.value;
         if (newFreq>=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       } else {
-        newFreq=opChan[ch].baseFreq-c.value*octave(opChan[ch].baseFreq);
+        newFreq=opChan[ch].baseFreq-c.value;
         if (newFreq<=destFreq) {
           newFreq=destFreq;
           return2=true;
         }
       }
+      // what the heck!
       if (!opChan[ch].portaPause) {
-        if (octave(opChan[ch].baseFreq)!=octave(newFreq)) {
+        if ((newFreq&0x7ff)>boundaryTop && (newFreq&0xf800)<0x3800) {
+          if (parent->song.fbPortaPause) {
+            opChan[ch].portaPauseFreq=(boundaryBottom)|((newFreq+0x800)&0xf800);
             opChan[ch].portaPause=true;
             break;
+          } else {
+            newFreq=(newFreq>>1)|((newFreq+0x800)&0xf800);
+          }
+        }
+        if ((newFreq&0x7ff)<boundaryBottom && (newFreq&0xf800)>0) {
+          if (parent->song.fbPortaPause) {
+            opChan[ch].portaPauseFreq=newFreq=(boundaryTop-1)|((newFreq-0x800)&0xf800);
+            opChan[ch].portaPause=true;
+            break;
+          } else {
+            newFreq=(newFreq<<1)|((newFreq-0x800)&0xf800);
+          }
         }
       }
-      opChan[ch].baseFreq=newFreq;
       opChan[ch].portaPause=false;
       opChan[ch].freqChanged=true;
+      opChan[ch].baseFreq=newFreq;
       if (return2) return 2;
       break;
     }
     case DIV_CMD_LEGATO: {
-      opChan[ch].baseFreq=NOTE_FREQUENCY(c.value);
+      opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
       opChan[ch].freqChanged=true;
       break;
     }
@@ -364,14 +384,20 @@ void DivPlatformYM2610Ext::tick(bool sysTick) {
   unsigned char writeMask=2;
   if (extMode) for (int i=0; i<4; i++) {
     if (opChan[i].freqChanged) {
-      opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,false,octave(opChan[i].baseFreq),opChan[i].pitch2);
+      int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,false,4,opChan[i].pitch2);
-      if (opChan[i].freq>262143) opChan[i].freq=262143;
+      int block=(opChan[i].baseFreq&0xf800)>>11;
-      int freqt=toFreq(opChan[i].freq);
+      if (fNum<0) fNum=0;
-      opChan[i].freqH=freqt>>8;
+      if (fNum>2047) {
-      opChan[i].freqL=freqt&0xff;
+        while (block<7) {
-      immWrite(opChanOffsH[i],opChan[i].freqH);
+          fNum>>=1;
-      immWrite(opChanOffsL[i],opChan[i].freqL);
+          block++;
-      opChan[i].freqChanged=false;
+        }
+        if (fNum>2047) fNum=2047;
+      }
+      opChan[i].freq=(block<<11)|fNum;
+      if (opChan[i].freq>0x3fff) opChan[i].freq=0x3fff;
+      immWrite(opChanOffsH[i],opChan[i].freq>>8);
+      immWrite(opChanOffsL[i],opChan[i].freq&0xff);
     }
     writeMask|=opChan[i].active<<(4+i);
     if (opChan[i].keyOn) {

src/engine/platform/ym2610ext.h

@@ -25,12 +25,12 @@ class DivPlatformYM2610Ext: public DivPlatformYM2610 {
   struct OpChannel {
     DivMacroInt std;
     unsigned char freqH, freqL;
-    int freq, baseFreq, pitch, pitch2, ins;
+    int freq, baseFreq, pitch, pitch2, portaPauseFreq, ins;
     signed char konCycles;
     bool active, insChanged, freqChanged, keyOn, keyOff, portaPause;
     int vol;
     unsigned char pan;
-    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
+    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), portaPauseFreq(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
   };
   OpChannel opChan[4];
   bool isOpMuted[4];

src/engine/playback.cpp

@@ -642,7 +642,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         chan[i].scheduledSlideReset=false;
         chan[i].inPorta=false;
         if (!song.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
-        dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed,chan[i].portaNote));
+        dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(song.linearPitch==2?song.pitchSlideSpeed:1),chan[i].portaNote));
         chan[i].portaNote=-1;
         chan[i].portaSpeed=-1;
         chan[i].inPorta=false;
@@ -966,7 +966,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
         }
         if (!song.noSlidesOnFirstTick || !firstTick) {
           if ((chan[i].keyOn || chan[i].keyOff) && chan[i].portaSpeed>0) {
-            if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed,chan[i].portaNote))==2 && chan[i].portaStop && song.targetResetsSlides) {
+            if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(song.linearPitch==2?song.pitchSlideSpeed:1),chan[i].portaNote))==2 && chan[i].portaStop && song.targetResetsSlides) {
               chan[i].portaSpeed=0;
               chan[i].oldNote=chan[i].note;
               chan[i].note=chan[i].portaNote;

src/engine/song.h

@@ -302,7 +302,12 @@ struct DivSong {
 
   // compatibility flags
   bool limitSlides;
-  bool linearPitch;
+  // linear pitch
+  // 0: not linear
+  // 1: only pitch changes (04xy/E5xx) linear
+  // 2: full linear
+  unsigned char linearPitch;
+  unsigned char pitchSlideSpeed;
   // loop behavior
   // 0: reset on loop
   // 1: fake reset on loop
@@ -413,7 +418,8 @@ struct DivSong {
     masterVol(1.0f),
     tuning(440.0f),
     limitSlides(false),
-    linearPitch(true),
+    linearPitch(1),
+    pitchSlideSpeed(4),
     loopModality(0),
     properNoiseLayout(false),
     waveDutyIsVol(false),

src/gui/compatFlags.cpp

@@ -18,6 +18,8 @@
  */
 
 #include "gui.h"
+#include "imgui.h"
+#include "intConst.h"
 
 void FurnaceGUI::drawCompatFlags() {
   if (nextWindow==GUI_WINDOW_COMPAT_FLAGS) {
@@ -32,10 +34,6 @@ void FurnaceGUI::drawCompatFlags() {
     if (ImGui::IsItemHovered()) {
       ImGui::SetTooltip("when enabled, slides are limited to a compatible range.\nmay cause problems with slides in negative octaves.");
     }
-    ImGui::Checkbox("Linear pitch control",&e->song.linearPitch);
-    if (ImGui::IsItemHovered()) {
-      ImGui::SetTooltip("linear pitch:\n- slides work in frequency/period space\n- E5xx and 04xx effects work in tonality space\nnon-linear pitch:\n- slides work in frequency/period space\n- E5xx and 04xx effects work on frequency/period space");
-    }
     ImGui::Checkbox("Proper noise layout on NES and PC Engine",&e->song.properNoiseLayout);
     if (ImGui::IsItemHovered()) {
       ImGui::SetTooltip("use a proper noise channel note mapping (0-15) instead of a rather unusual compatible one.\nunlocks all noise frequencies on PC Engine.");
@@ -126,6 +124,35 @@ void FurnaceGUI::drawCompatFlags() {
       ImGui::SetTooltip("when enabled, the pitch macro of an instrument is in linear space.");
     }
 
+    ImGui::Text("Pitch linearity:");
+    if (ImGui::RadioButton("None",e->song.linearPitch==0)) {
+      e->song.linearPitch=0;
+    }
+    if (ImGui::IsItemHovered()) {
+      ImGui::SetTooltip("like ProTracker/FamiTracker");
+    }
+    if (ImGui::RadioButton("Partial (only 04xy/E5xx)",e->song.linearPitch==1)) {
+      e->song.linearPitch=1;
+    }
+    if (ImGui::IsItemHovered()) {
+      ImGui::SetTooltip("like DefleMask");
+    }
+    if (ImGui::RadioButton("Full",e->song.linearPitch==2)) {
+      e->song.linearPitch=2;
+    }
+    if (ImGui::IsItemHovered()) {
+      ImGui::SetTooltip("like Impulse Tracker");
+    }
+
+    if (e->song.linearPitch==2) {
+      ImGui::SameLine();
+      ImGui::SetNextItemWidth(120.0f*dpiScale);
+      if (ImGui::InputScalar("Pitch slide speed multiplier",ImGuiDataType_U8,&e->song.pitchSlideSpeed,&_ONE,&_ONE)) {
+        if (e->song.pitchSlideSpeed<1) e->song.pitchSlideSpeed=1;
+        if (e->song.pitchSlideSpeed>64) e->song.pitchSlideSpeed=64;
+      }
+    }
+
     ImGui::Text("Loop modality:");
     if (ImGui::RadioButton("Reset channels",e->song.loopModality==0)) {
       e->song.loopModality=0;

src/gui/dataList.cpp

@@ -47,7 +47,20 @@ void FurnaceGUI::drawInsList() {
     }
     ImGui::SameLine();
     if (ImGui::Button(ICON_FA_FOLDER_OPEN "##InsLoad")) {
-      doAction((settings.insLoadAlwaysReplace && curIns>=0 && curIns<(int)e->song.ins.size())?GUI_ACTION_INS_LIST_OPEN_REPLACE:GUI_ACTION_INS_LIST_OPEN);
+      doAction(GUI_ACTION_INS_LIST_OPEN);
+    }
+    if (ImGui::BeginPopupContextItem("InsOpenOpt")) {
+      if (ImGui::MenuItem("replace...")) {
+        doAction((curIns>=0 && curIns<(int)e->song.ins.size())?GUI_ACTION_INS_LIST_OPEN_REPLACE:GUI_ACTION_INS_LIST_OPEN);
+      }
+      ImGui::Separator();
+      if (ImGui::MenuItem("load from TX81Z")) {
+        doAction(GUI_ACTION_TX81Z_REQUEST);
+      }
+      ImGui::EndPopup();
+    }
+    if (ImGui::IsItemHovered()) {
+      ImGui::SetTooltip("Open (insert; right-click to replace)");
     }
     ImGui::SameLine();
     if (ImGui::Button(ICON_FA_FLOPPY_O "##InsSave")) {

src/gui/doAction.cpp

@@ -25,6 +25,11 @@
 #include "actionUtil.h"
 #include "sampleUtil.h"
 
+const unsigned char avRequest[15]={
+  0xf0, 0x43, 0x20, 0x7e, 0x4c, 0x4d, 0x20, 0x20, 0x38, 0x39, 0x37, 0x36, 0x41, 0x45, 0xf7
+};
+
+
 void FurnaceGUI::doAction(int what) {
   switch (what) {
     case GUI_ACTION_OPEN:
@@ -141,6 +146,17 @@ void FurnaceGUI::doAction(int what) {
       fullScreen=!fullScreen;
       SDL_SetWindowFullscreen(sdlWin,fullScreen?(SDL_WINDOW_FULLSCREEN|SDL_WINDOW_FULLSCREEN_DESKTOP):0);
       break;
+    case GUI_ACTION_TX81Z_REQUEST: {
+      TAMidiMessage msg;
+      msg.type=TA_MIDI_SYSEX;
+      msg.sysExData.reset(new unsigned char[15]);
+      msg.sysExLen=15;
+      memcpy(msg.sysExData.get(),avRequest,15);
+      if (!e->sendMidiMessage(msg)) {
+        showError("Error while sending request (MIDI output not configured?)");
+      }
+      break;
+    }
     case GUI_ACTION_PANIC:
       e->syncReset();
       break;

src/gui/gui.cpp

@@ -59,6 +59,12 @@ extern "C" {
 #define BACKUP_FUR "/backup.fur"
 #endif
 
+#ifdef ANDROID
+#define MOBILE_UI_DEFAULT true
+#else
+#define MOBILE_UI_DEFAULT false
+#endif
+
 #include "actionUtil.h"
 
 bool Particle::update(float frameTime) {
@@ -1716,8 +1722,15 @@ void FurnaceGUI::showError(String what) {
     if (macroDragLineMode) { \
       if (!macroDragInitialValueSet) { \
         macroDragLineInitial=ImVec2(x,y); \
+        macroDragLineInitialV=ImVec2(dragX,dragY); \
         macroDragInitialValueSet=true; \
+        macroDragMouseMoved=false; \
+      } else if (!macroDragMouseMoved) { \
+        if ((pow(dragX-macroDragLineInitialV.x,2.0)+pow(dragY-macroDragLineInitialV.y,2.0))>=16.0f) { \
+          macroDragMouseMoved=true; \
         } \
+      } \
+      if (macroDragMouseMoved) { \
         if ((int)round(x-macroDragLineInitial.x)==0) { \
           t[x]=macroDragLineInitial.y; \
         } else { \
@@ -1735,6 +1748,7 @@ void FurnaceGUI::showError(String what) {
             } \
           } \
         } \
+      } \
     } else { \
       t[x]=y; \
     } \
@@ -2342,6 +2356,9 @@ bool FurnaceGUI::loop() {
           if (macroDragActive || macroLoopDragActive || waveDragActive || (sampleDragActive && sampleDragMode)) {
             MARK_MODIFIED;
           }
+          if (macroDragActive && macroDragLineMode && !macroDragMouseMoved) {
+            displayMacroMenu=true;
+          }
           macroDragActive=false;
           macroDragBitMode=false;
           macroDragInitialValue=false;
@@ -3641,6 +3658,7 @@ bool FurnaceGUI::init() {
   waveHex=e->getConfBool("waveHex",false);
   lockLayout=e->getConfBool("lockLayout",false);
   fullScreen=e->getConfBool("fullScreen",false);
+  mobileUI=e->getConfBool("mobileUI",MOBILE_UI_DEFAULT);
 
   syncSettings();
 
@@ -3822,6 +3840,7 @@ bool FurnaceGUI::finish() {
   e->setConf("waveHex",waveHex);
   e->setConf("lockLayout",lockLayout);
   e->setConf("fullScreen",fullScreen);
+  e->setConf("mobileUI",mobileUI);
 
   for (int i=0; i<DIV_MAX_CHANS; i++) {
     delete oldPat[i];
@@ -3851,6 +3870,7 @@ FurnaceGUI::FurnaceGUI():
   displayExporting(false),
   vgmExportLoop(true),
   wantCaptureKeyboard(false),
+  displayMacroMenu(false),
   displayNew(false),
   fullScreen(false),
   preserveChanPos(false),
@@ -3960,6 +3980,7 @@ FurnaceGUI::FurnaceGUI():
   followOrders(true),
   followPattern(true),
   changeAllOrders(false),
+  mobileUI(MOBILE_UI_DEFAULT),
   collapseWindow(false),
   demandScrollX(false),
   fancyPattern(false),
@@ -4004,8 +4025,15 @@ FurnaceGUI::FurnaceGUI():
   macroDragInitialValue(false),
   macroDragChar(false),
   macroDragLineMode(false),
+  macroDragMouseMoved(false),
   macroDragLineInitial(0,0),
+  macroDragLineInitialV(0,0),
   macroDragActive(false),
+  lastMacroDesc(NULL,NULL,0,0,0.0f),
+  macroOffX(0),
+  macroOffY(0),
+  macroScaleX(100.0f),
+  macroScaleY(100.0f),
   macroLoopDragStart(0,0),
   macroLoopDragAreaSize(0,0),
   macroLoopDragTarget(NULL),

src/gui/gui.h

@@ -306,6 +306,7 @@ enum FurnaceGUIActions {
   GUI_ACTION_FOLLOW_ORDERS,
   GUI_ACTION_FOLLOW_PATTERN,
   GUI_ACTION_FULLSCREEN,
+  GUI_ACTION_TX81Z_REQUEST,
   GUI_ACTION_PANIC,
 
   GUI_ACTION_WINDOW_EDIT_CONTROLS,
@@ -770,7 +771,7 @@ class FurnaceGUI {
   String mmlString[17];
   String mmlStringW;
 
-  bool quit, warnQuit, willCommit, edit, modified, displayError, displayExporting, vgmExportLoop, wantCaptureKeyboard;
+  bool quit, warnQuit, willCommit, edit, modified, displayError, displayExporting, vgmExportLoop, wantCaptureKeyboard, displayMacroMenu;
   bool displayNew, fullScreen, preserveChanPos;
   bool willExport[32];
   int vgmExportVersion;
@@ -889,7 +890,6 @@ class FurnaceGUI {
     int eventDelay;
     int moveWindowTitle;
     int hiddenSystems;
-    int insLoadAlwaysReplace;
     int horizontalDataView;
     int noMultiSystem;
     unsigned int maxUndoSteps;
@@ -974,7 +974,6 @@ class FurnaceGUI {
       eventDelay(0),
       moveWindowTitle(0),
       hiddenSystems(0),
-      insLoadAlwaysReplace(1),
       horizontalDataView(0),
       noMultiSystem(0),
       maxUndoSteps(100),
@@ -1006,7 +1005,7 @@ class FurnaceGUI {
   */
 
   SelectionPoint selStart, selEnd, cursor;
-  bool selecting, curNibble, orderNibble, followOrders, followPattern, changeAllOrders;
+  bool selecting, curNibble, orderNibble, followOrders, followPattern, changeAllOrders, mobileUI;
   bool collapseWindow, demandScrollX, fancyPattern, wantPatName, firstFrame, tempoView, waveHex, lockLayout, editOptsVisible, latchNibble, nonLatchNibble;
   FurnaceGUIWindows curWindow, nextWindow, curWindowLast;
   float peak[2];
@@ -1082,8 +1081,13 @@ class FurnaceGUI {
   bool macroDragInitialValue;
   bool macroDragChar;
   bool macroDragLineMode;
+  bool macroDragMouseMoved;
   ImVec2 macroDragLineInitial;
+  ImVec2 macroDragLineInitialV;
   bool macroDragActive;
+  FurnaceGUIMacroDesc lastMacroDesc;
+  int macroOffX, macroOffY;
+  float macroScaleX, macroScaleY;
 
   ImVec2 macroLoopDragStart;
   ImVec2 macroLoopDragAreaSize;

src/gui/guiConst.cpp

@@ -466,6 +466,7 @@ const FurnaceGUIActionDef guiActions[GUI_ACTION_MAX]={
   D("FOLLOW_ORDERS", "Follow orders", 0),
   D("FOLLOW_PATTERN", "Follow pattern", 0),
   D("FULLSCREEN", "Toggle full-screen", SDLK_F11),
+  D("TX81Z_REQUEST", "Request voice from TX81Z", 0),
   D("PANIC", "Panic", SDLK_F12),
 
   D("WINDOW_EDIT_CONTROLS", "Edit Controls", 0),

src/gui/insEdit.cpp

@@ -27,10 +27,6 @@
 #include <imgui.h>
 #include "plot_nolerp.h"
 
-const unsigned char avRequest[15]={
-  0xf0, 0x43, 0x20, 0x7e, 0x4c, 0x4d, 0x20, 0x20, 0x38, 0x39, 0x37, 0x36, 0x41, 0x45, 0xf7
-};
-
 const char* ssgEnvTypes[8]={
   "Down Down Down", "Down.", "Down Up Down Up", "Down UP", "Up Up Up", "Up.", "Up Down Up Down", "Up DOWN"
 };
@@ -1214,6 +1210,9 @@ void FurnaceGUI::drawMacros(std::vector<FurnaceGUIMacroDesc>& macros) {
         if (i.macro->name=="arp") {
           i.macro->vZoom=24;
           i.macro->vScroll=120-12;
+        } else if (i.macro->name=="pitch") {
+          i.macro->vZoom=64;
+          i.macro->vScroll=1024-32;
         } else {
           i.macro->vZoom=i.max-i.min;
           i.macro->vScroll=0;
@@ -1248,6 +1247,7 @@ void FurnaceGUI::drawMacros(std::vector<FurnaceGUIMacroDesc>& macros) {
         macroDragChar=false;
         macroDragLineMode=(i.isBitfield)?false:ImGui::IsItemClicked(ImGuiMouseButton_Right);
         macroDragLineInitial=ImVec2(0,0);
+        lastMacroDesc=i;
         processDrags(ImGui::GetMousePos().x,ImGui::GetMousePos().y);
       }
       if (i.macro->open) {
@@ -1419,7 +1419,6 @@ void FurnaceGUI::drawInsEdit() {
 
         ImGui::TableNextRow();
         ImGui::TableNextColumn();
-        // TODO: load replace
         if (ImGui::Button(ICON_FA_FOLDER_OPEN "##IELoad")) {
           doAction(GUI_ACTION_INS_LIST_OPEN_REPLACE);
         }
@@ -1444,6 +1443,48 @@ void FurnaceGUI::drawInsEdit() {
           for (DivInstrumentType i: e->getPossibleInsTypes()) {
             if (ImGui::Selectable(insTypes[i],insType==i)) {
               ins->type=i;
+
+              // reset macro zoom
+              ins->std.volMacro.vZoom=-1;
+              ins->std.dutyMacro.vZoom=-1;
+              ins->std.waveMacro.vZoom=-1;
+              ins->std.ex1Macro.vZoom=-1;
+              ins->std.ex2Macro.vZoom=-1;
+              ins->std.ex3Macro.vZoom=-1;
+              ins->std.ex4Macro.vZoom=-1;
+              ins->std.ex5Macro.vZoom=-1;
+              ins->std.ex6Macro.vZoom=-1;
+              ins->std.ex7Macro.vZoom=-1;
+              ins->std.ex8Macro.vZoom=-1;
+              ins->std.panLMacro.vZoom=-1;
+              ins->std.panRMacro.vZoom=-1;
+              ins->std.phaseResetMacro.vZoom=-1;
+              ins->std.algMacro.vZoom=-1;
+              ins->std.fbMacro.vZoom=-1;
+              ins->std.fmsMacro.vZoom=-1;
+              ins->std.amsMacro.vZoom=-1;
+              for (int j=0; j<4; j++) {
+                ins->std.opMacros[j].amMacro.vZoom=-1;
+                ins->std.opMacros[j].arMacro.vZoom=-1;
+                ins->std.opMacros[j].drMacro.vZoom=-1;
+                ins->std.opMacros[j].multMacro.vZoom=-1;
+                ins->std.opMacros[j].rrMacro.vZoom=-1;
+                ins->std.opMacros[j].slMacro.vZoom=-1;
+                ins->std.opMacros[j].tlMacro.vZoom=-1;
+                ins->std.opMacros[j].dt2Macro.vZoom=-1;
+                ins->std.opMacros[j].rsMacro.vZoom=-1;
+                ins->std.opMacros[j].dtMacro.vZoom=-1;
+                ins->std.opMacros[j].d2rMacro.vZoom=-1;
+                ins->std.opMacros[j].ssgMacro.vZoom=-1;
+                ins->std.opMacros[j].damMacro.vZoom=-1;
+                ins->std.opMacros[j].dvbMacro.vZoom=-1;
+                ins->std.opMacros[j].egtMacro.vZoom=-1;
+                ins->std.opMacros[j].kslMacro.vZoom=-1;
+                ins->std.opMacros[j].susMacro.vZoom=-1;
+                ins->std.opMacros[j].vibMacro.vZoom=-1;
+                ins->std.opMacros[j].wsMacro.vZoom=-1;
+                ins->std.opMacros[j].ksrMacro.vZoom=-1;
+              }
             }
           }
           ImGui::EndCombo();
@@ -1490,14 +1531,7 @@ void FurnaceGUI::drawInsEdit() {
                   ImGui::TableNextColumn();
                   drawAlgorithm(ins->fm.alg,FM_ALGS_4OP,ImVec2(ImGui::GetContentRegionAvail().x,48.0*dpiScale));
                   if (ImGui::Button("Request from TX81Z")) {
-                    TAMidiMessage msg;
+                    doAction(GUI_ACTION_TX81Z_REQUEST);
-                    msg.type=TA_MIDI_SYSEX;
-                    msg.sysExData.reset(new unsigned char[15]);
-                    msg.sysExLen=15;
-                    memcpy(msg.sysExData.get(),avRequest,15);
-                    if (!e->sendMidiMessage(msg)) {
-                      showError("Error while sending request (MIDI output not configured?)");
-                    }
                   }
                   ImGui::SameLine();
                   if (ImGui::Button("Send to TX81Z")) {
@@ -3387,6 +3421,110 @@ void FurnaceGUI::drawInsEdit() {
         popAccentColors();
       }
     }
+    if (displayMacroMenu) {
+      displayMacroMenu=false;
+      if (lastMacroDesc.macro!=NULL) {
+        ImGui::OpenPopup("macroMenu");
+      }
+    }
+    if (ImGui::BeginPopup("macroMenu",ImGuiWindowFlags_NoMove|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings)) {
+      if (ImGui::MenuItem("copy")) {
+        String mmlStr;
+        encodeMMLStr(mmlStr,lastMacroDesc.macro->val,lastMacroDesc.macro->len,lastMacroDesc.macro->loop,lastMacroDesc.macro->rel);
+        SDL_SetClipboardText(mmlStr.c_str());
+      }
+      if (ImGui::MenuItem("paste")) {
+        String mmlStr;
+        char* clipText=SDL_GetClipboardText();
+        if (clipText!=NULL) {
+          if (clipText[0]) {
+            mmlStr=clipText;
+          }
+          SDL_free(clipText);
+        }
+        if (!mmlStr.empty()) {
+          decodeMMLStr(mmlStr,lastMacroDesc.macro->val,lastMacroDesc.macro->len,lastMacroDesc.macro->loop,lastMacroDesc.min,(lastMacroDesc.isBitfield)?((1<<(lastMacroDesc.isBitfield?lastMacroDesc.max:0))-1):lastMacroDesc.max,lastMacroDesc.macro->rel);
+        }
+      }
+      ImGui::Separator();
+      if (ImGui::MenuItem("clear")) {
+        lastMacroDesc.macro->len=0;
+        lastMacroDesc.macro->loop=-1;
+        lastMacroDesc.macro->rel=-1;
+        for (int i=0; i<256; i++) {
+          lastMacroDesc.macro->val[i]=0;
+        }
+      }
+      if (ImGui::MenuItem("clear contents")) {
+        for (int i=0; i<256; i++) {
+          lastMacroDesc.macro->val[i]=0;
+        }
+      }
+      ImGui::Separator();
+      if (ImGui::BeginMenu("offset...")) {
+        ImGui::InputInt("X",&macroOffX,1,10);
+        ImGui::InputInt("Y",&macroOffY,1,10);
+        if (ImGui::Button("offset")) {
+          int oldData[256];
+          memset(oldData,0,256*sizeof(int));
+          memcpy(oldData,lastMacroDesc.macro->val,lastMacroDesc.macro->len*sizeof(int));
+
+          for (int i=0; i<lastMacroDesc.macro->len; i++) {
+            int val=0;
+            if ((i-macroOffX)>=0 && (i-macroOffX)<lastMacroDesc.macro->len) {
+              val=oldData[i-macroOffX]+macroOffY;
+              if (val<lastMacroDesc.min) val=lastMacroDesc.min;
+              if (val>lastMacroDesc.max) val=lastMacroDesc.max;
+            }
+            lastMacroDesc.macro->val[i]=val;
+          }
+
+          if (lastMacroDesc.macro->loop>=0 && lastMacroDesc.macro->loop<lastMacroDesc.macro->len) {
+            lastMacroDesc.macro->loop+=macroOffX;
+          } else {
+            lastMacroDesc.macro->loop=-1;
+          }
+          if ((lastMacroDesc.macro->rel+macroOffX)>=0 && (lastMacroDesc.macro->rel+macroOffX)<lastMacroDesc.macro->len) {
+            lastMacroDesc.macro->rel+=macroOffX;
+          } else {
+            lastMacroDesc.macro->rel=-1;
+          }
+
+          ImGui::CloseCurrentPopup();
+        }
+        ImGui::EndMenu();
+      }
+      if (ImGui::BeginMenu("scale...")) {
+        if (ImGui::InputFloat("X",&macroScaleX,1.0f,10.0f,"%.2f%%")) {
+          if (macroScaleX<0.1) macroScaleX=0.1;
+          if (macroScaleX>12800.0) macroScaleX=12800.0;
+        }
+        ImGui::InputFloat("Y",&macroScaleY,1.0f,10.0f,"%.2f%%");
+        if (ImGui::Button("scale")) {
+          int oldData[256];
+          memset(oldData,0,256*sizeof(int));
+          memcpy(oldData,lastMacroDesc.macro->val,lastMacroDesc.macro->len*sizeof(int));
+
+          lastMacroDesc.macro->len=MIN(128,((double)lastMacroDesc.macro->len*(macroScaleX/100.0)));
+
+          for (int i=0; i<lastMacroDesc.macro->len; i++) {
+            int val=0;
+            double posX=round((double)i*(100.0/macroScaleX)-0.01);
+            if (posX>=0 && posX<lastMacroDesc.macro->len) {
+              val=round((double)oldData[(int)posX]*(macroScaleY/100.0));
+              if (val<lastMacroDesc.min) val=lastMacroDesc.min;
+              if (val>lastMacroDesc.max) val=lastMacroDesc.max;
+            }
+            lastMacroDesc.macro->val[i]=val;
+          }
+
+          ImGui::CloseCurrentPopup();
+        }
+        ImGui::EndMenu();
+      }
+      
+      ImGui::EndPopup();
+    }
   }
   if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_INS_EDIT;
   ImGui::End();

src/gui/settings.cpp

@@ -419,11 +419,6 @@ void FurnaceGUI::drawSettings() {
             settings.restartOnFlagChange=restartOnFlagChangeB;
           }
 
-          bool insLoadAlwaysReplaceB=settings.insLoadAlwaysReplace;
-          if (ImGui::Checkbox("Always replace currently selected instrument when loading from instrument list",&insLoadAlwaysReplaceB)) {
-            settings.insLoadAlwaysReplace=insLoadAlwaysReplaceB;
-          }
-
           bool sysFileDialogB=settings.sysFileDialog;
           if (ImGui::Checkbox("Use system file picker",&sysFileDialogB)) {
             settings.sysFileDialog=sysFileDialogB;
@@ -1852,7 +1847,6 @@ void FurnaceGUI::syncSettings() {
   settings.eventDelay=e->getConfInt("eventDelay",0);
   settings.moveWindowTitle=e->getConfInt("moveWindowTitle",0);
   settings.hiddenSystems=e->getConfInt("hiddenSystems",0);
-  settings.insLoadAlwaysReplace=e->getConfInt("insLoadAlwaysReplace",1);
   settings.horizontalDataView=e->getConfInt("horizontalDataView",0);
   settings.noMultiSystem=e->getConfInt("noMultiSystem",0);
 
@@ -1925,7 +1919,6 @@ void FurnaceGUI::syncSettings() {
   clampSetting(settings.eventDelay,0,1);
   clampSetting(settings.moveWindowTitle,0,1);
   clampSetting(settings.hiddenSystems,0,1);
-  clampSetting(settings.insLoadAlwaysReplace,0,1);
   clampSetting(settings.horizontalDataView,0,1);
   clampSetting(settings.noMultiSystem,0,1)
 
@@ -2039,7 +2032,6 @@ void FurnaceGUI::commitSettings() {
   e->setConf("moveWindowTitle",settings.moveWindowTitle);
   e->setConf("hiddenSystems",settings.hiddenSystems);
   e->setConf("initialSys",e->encodeSysDesc(settings.initialSys));
-  e->setConf("insLoadAlwaysReplace",settings.insLoadAlwaysReplace);
   e->setConf("horizontalDataView",settings.horizontalDataView);
   e->setConf("noMultiSystem",settings.noMultiSystem);
 

src/main.cpp

@@ -243,7 +243,7 @@ void initParams() {
 // TODO: add crash log
 int main(int argc, char** argv) {
   initLog();
-#if !(defined(__APPLE__) || defined(_WIN32))
+#if !(defined(__APPLE__) || defined(_WIN32) || defined(ANDROID))
   // workaround for Wayland HiDPI issue
   if (getenv("SDL_VIDEODRIVER")==NULL) {
     setenv("SDL_VIDEODRIVER","x11",1);