Move SerialPort declaration/instantiation directly into AtariVox.

- This is the only class that uses it, so it makes no sense for OSystem to even care about it

src/emucore/AtariVox.cxx

@@ -15,22 +15,21 @@
 // this file, and for a DISCLAIMER OF ALL WARRANTIES.
 //============================================================================
 
-#include "SerialPort.hxx"
+#include "MediaFactory.hxx"
 #include "System.hxx"
 #include "OSystem.hxx"
 #include "AtariVox.hxx"
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 AtariVox::AtariVox(Jack jack, const Event& event, const System& system, const OSystem& osystem,
-                   const SerialPort& port, const string& portname,
-                   const string& eepromfile)
+                   const string& portname, const string& eepromfile)
   : SaveKey(jack, event, system, osystem, eepromfile, Controller::AtariVox),
-    mySerialPort(const_cast<SerialPort&>(port)),
     myShiftCount(0),
     myShiftRegister(0),
     myLastDataWriteCycle(0)
 {
-  if(mySerialPort.openPort(portname))
+  mySerialPort = MediaFactory::createSerialPort();
+  if(mySerialPort->openPort(portname))
     myAboutString = " (using serial port \'" + portname + "\')";
   else
     myAboutString = " (invalid serial port \'" + portname + "\')";
@@ -106,7 +105,7 @@ void AtariVox::clockDataIn(bool value)
       else
       {
         uInt8 data = ((myShiftRegister >> 1) & 0xff);
-        mySerialPort.writeByte(&data);
+        mySerialPort->writeByte(&data);
       }
       myShiftRegister = 0;
     }

src/emucore/AtariVox.hxx

@@ -18,11 +18,11 @@
 #ifndef ATARIVOX_HXX
 #define ATARIVOX_HXX
 
-class SerialPort;
 class OSystem;
 
 #include "Control.hxx"
 #include "SaveKey.hxx"
+#include "SerialPort.hxx"
 
 /**
   Richard Hutchinson's AtariVox "controller": A speech synthesizer and
@@ -43,13 +43,11 @@ class AtariVox : public SaveKey
       @param event      The event object to use for events
       @param system     The system using this controller
       @param osystem    The OSystem abstraction
-      @param port       The serial port object
-      @param portname   Name of the port used for reading and writing
+      @param portname   Name of the serial port used for reading and writing
       @param eepromfile The file containing the EEPROM data
     */
     AtariVox(Jack jack, const Event& event, const System& system, const OSystem& osystem,
-             const SerialPort& port, const string& portname,
-             const string& eepromfile);
+             const string& portname, const string& eepromfile);
     virtual ~AtariVox() = default;
 
   public:
@@ -95,7 +93,7 @@ class AtariVox : public SaveKey
     // Instance of an real serial port on the system
     // Assuming there's a real AtariVox attached, we can send SpeakJet
     // bytes directly to it
-    SerialPort& mySerialPort;
+    unique_ptr<SerialPort> mySerialPort;
 
     // How many bits have been shifted into the shift register?
     uInt8 myShiftCount;

src/emucore/Console.cxx

@@ -937,8 +937,7 @@ unique_ptr<Controller> Console::getControllerPort(const string& rommd5,
   {
     const string& nvramfile = myOSystem.nvramDir() + "atarivox_eeprom.dat";
     controller = make_unique<AtariVox>(port, myEvent,
-        *mySystem, myOSystem, myOSystem.serialPort(),
-        myOSystem.settings().getString("avoxport"), nvramfile);
+        *mySystem, myOSystem, myOSystem.settings().getString("avoxport"), nvramfile);
   }
   else if(controllerName == "SAVEKEY")
   {

src/emucore/OSystem.cxx

@@ -48,7 +48,6 @@
 #include "Widget.hxx"
 #include "Console.hxx"
 #include "Random.hxx"
-#include "SerialPort.hxx"
 #include "StateManager.hxx"
 #include "TimerManager.hxx"
 #include "Version.hxx"
@@ -152,11 +151,6 @@ bool OSystem::create()
   // that only have a single sound device (no hardware mixing))
   createSound();
 
-  // Create the serial port object
-  // This is used by any controller that wants to directly access
-  // a real serial port on the system
-  mySerialPort = MediaFactory::createSerialPort();
-
   // Create random number generator
   myRandom = make_unique<Random>(uInt32(TimerManager::getTicks()));
 

src/emucore/OSystem.hxx

@@ -33,7 +33,6 @@ class PNGLibrary;
 class Properties;
 class PropertiesSet;
 class Random;
-class SerialPort;
 class Sound;
 class StateManager;
 class TimerManager;
@@ -131,13 +130,6 @@ class OSystem
     */
     AudioSettings& audioSettings() { return *myAudioSettings; }
 
-    /**
-      Get the serial port of the system.
-
-      @return The serial port object
-    */
-    SerialPort& serialPort() const { return *mySerialPort; }
-
     /**
       Get the settings menu of the system.
 
@@ -475,9 +467,6 @@ class OSystem
     // Pointer to audio settings object
     unique_ptr<AudioSettings> myAudioSettings;
 
-    // Pointer to the serial port object
-    unique_ptr<SerialPort> mySerialPort;
-
     // Pointer to the Menu object
     unique_ptr<Menu> myMenu;