Upgrade all Juce components to v4.x, add Visual Studio 2015 build using latest SDK from Steinberg (but still building as VST 2).

JuceOPLVSTi.jucer

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<JUCERPROJECT id="wUKQiT" name="JuceOPLVSTi" projectType="audioplug" version="0.12.1"
+<JUCERPROJECT id="wUKQiT" name="JuceOPLVSTi" projectType="audioplug" version="0.12.2"
               bundleIdentifier="com.plainweave.JuceOPLVSTi" buildVST="1" buildAU="1"
               pluginName="JuceOPLVSTi" pluginDesc="JuceOPLVSTi" pluginManufacturer="Plainweave Software"
               pluginManufacturerCode="Pwve" pluginCode="JOPL" pluginChannelConfigs="{0, 1}"
@@ -9,7 +9,7 @@
               pluginAUExportPrefix="JuceOPLVSTiAU" pluginRTASCategory="" aaxIdentifier="com.plainweave.JuceOPLVSTi"
               pluginAAXCategory="AAX_ePlugInCategory_Dynamics" jucerVersion="4.1.0"
               buildVST3="0" buildRTAS="0" buildAAX="0" includeBinaryInAppConfig="1"
-              pluginIsMidiEffectPlugin="0">
+              pluginIsMidiEffectPlugin="0" companyWebsite="https://bsutherland.github.io/JuceOPLVSTi/">
   <MAINGROUP id="TOefyq" name="JuceOPLVSTi">
     <GROUP id="{DCA755EB-7953-0641-E719-95C7850E5B2B}" name="Source">
       <FILE id="o0sULY" name="DROMultiplexer.cpp" compile="1" resource="0"
@@ -102,5 +102,34 @@
         <MODULEPATH id="juce_video" path="../Juce/modules"/>
       </MODULEPATHS>
     </VS2013>
+    <VS2015 targetFolder="Builds/VisualStudio2015" vstFolder="C:\code\audio\VST3 SDK"
+            extraCompilerFlags="/wd4458" vst3Folder="">
+      <CONFIGURATIONS>
+        <CONFIGURATION name="Debug" winWarningLevel="4" generateManifest="1" winArchitecture="32-bit"
+                       isDebug="1" optimisation="1" targetName="JuceOPLVSTi"/>
+        <CONFIGURATION name="Release - 64-bit" winWarningLevel="4" generateManifest="1"
+                       winArchitecture="x64" isDebug="0" optimisation="3" targetName="JuceOPLVSTi"
+                       warningsAreErrors="1" headerPath=""/>
+      </CONFIGURATIONS>
+      <MODULEPATHS>
+        <MODULEPATH id="juce_video" path="../Juce/modules"/>
+        <MODULEPATH id="juce_opengl" path="../Juce/modules"/>
+        <MODULEPATH id="juce_gui_extra" path="../Juce/modules"/>
+        <MODULEPATH id="juce_gui_basics" path="../Juce/modules"/>
+        <MODULEPATH id="juce_graphics" path="../Juce/modules"/>
+        <MODULEPATH id="juce_events" path="../Juce/modules"/>
+        <MODULEPATH id="juce_data_structures" path="../Juce/modules"/>
+        <MODULEPATH id="juce_cryptography" path="../Juce/modules"/>
+        <MODULEPATH id="juce_core" path="../Juce/modules"/>
+        <MODULEPATH id="juce_audio_processors" path="../Juce/modules"/>
+        <MODULEPATH id="juce_audio_plugin_client" path="../Juce/modules"/>
+        <MODULEPATH id="juce_audio_formats" path="../Juce/modules"/>
+        <MODULEPATH id="juce_audio_devices" path="../Juce/modules"/>
+        <MODULEPATH id="juce_audio_basics" path="../Juce/modules"/>
+      </MODULEPATHS>
+    </VS2015>
   </EXPORTFORMATS>
+  <LIVE_SETTINGS>
+    <WINDOWS/>
+  </LIVE_SETTINGS>
 </JUCERPROJECT>

Source/dbopl.cpp

@@ -1212,9 +1212,7 @@ void Chip::GenerateBlock3( Bitu total, Bit32s* output  ) {
 }
 
 void Chip::Setup( Bit32u rate ) {
-	double original = OPLRATE;
+	double scale = OPLRATE / (double)rate;
-//	double original = rate;
-	double scale = original / (double)rate;
 
 	//Noise counter is run at the same precision as general waves
 	noiseAdd = (Bit32u)( 0.5 + scale * ( 1 << LFO_SH ) );

readme.md

@@ -81,11 +81,12 @@ So far I've only built under Windows. Thanks to the hard work of Jeff Russ, ther
 ### Windows Build Instructions ###
 
 1. Download Juce (http://www.juce.com/)
-2. Download the VST SDK (http://www.steinberg.net/en/company/developer.html)
+2. Download the VST SDK (http://www.steinberg.net/en/company/developers.html)
 3. Run "The Projucer" executable included in Juce.
 4. Open JuceOPLVSTi.jucer
    - Make any changes to the GUI layout and components here (PluginEditor.cpp).
    - Save PluginEditor.cpp if modified
-5. Hit "Save Project and Open in Visual Studio". I use Visual Studio Express 2013.
+5. Hit "Save Project and Open in Visual Studio". I use Visual Studio Express 2015.
-6. (For Windows XP compatibility) In the project's properties, set platform toolset to Windows XP (Configuration Properties > General).
+6. Select the build: "Release - 64-bit" and set platform to x64.
-7. Build!
+7. (Optional, for Windows XP compatibility) In the project's properties, set platform toolset to Windows XP (Configuration Properties > General).
+8. Build!