diff --git a/src/emucore/SerialPort.hxx b/src/emucore/SerialPort.hxx
index 5525a51c7..8736d14cd 100644
--- a/src/emucore/SerialPort.hxx
+++ b/src/emucore/SerialPort.hxx
@@ -65,6 +65,13 @@ class SerialPort
     */
     virtual bool isCTS() { return true; }
 
+    /**
+      Get all valid serial ports detected on this system.
+
+      @return  The (possibly empty) list of detected serial ports
+    */
+    virtual StringList portNames() { return StringList{}; }
+
   private:
     // Following constructors and assignment operators not supported
     SerialPort(const SerialPort&) = delete;
diff --git a/src/macos/SerialPortMACOS.cxx b/src/macos/SerialPortMACOS.cxx
index 3a4d2530b..9006c2c74 100644
--- a/src/macos/SerialPortMACOS.cxx
+++ b/src/macos/SerialPortMACOS.cxx
@@ -25,6 +25,7 @@
 #include <sys/filio.h>
 #include <sys/ioctl.h>
 
+#include "FSNode.hxx"
 #include "SerialPortMACOS.hxx"
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -92,3 +93,26 @@ bool SerialPortMACOS::isCTS()
   }
   return false;
 }
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+StringList SerialPortMACOS::portNames()
+{
+  StringList ports;
+
+  // Get all possible devices in the '/dev' directory
+  FilesystemNode::NameFilter filter = [](const FilesystemNode& node) {
+    return BSPF::startsWithIgnoreCase(node.getPath(), "/dev/tty.usb");
+  };
+  FSList portList;
+  portList.reserve(16);
+
+  FilesystemNode dev("/dev/");
+  dev.getChildren(portList, FilesystemNode::ListMode::All, filter, false);
+
+  // Add only those that can be opened
+  for(const auto& port: portList)
+    if(openPort(port.getPath()))
+      ports.emplace_back(port.getPath());
+
+  return ports;
+}
diff --git a/src/macos/SerialPortMACOS.hxx b/src/macos/SerialPortMACOS.hxx
index 3fd9595d3..ea55ddc3d 100644
--- a/src/macos/SerialPortMACOS.hxx
+++ b/src/macos/SerialPortMACOS.hxx
@@ -21,8 +21,7 @@
 #include "SerialPort.hxx"
 
 /**
-  Implement reading and writing from a serial port under macOS.  For now,
-  reading isn't actually supported at all.
+  Implement reading and writing from a serial port under macOS.
 
   @author  Stephen Anthony & D. Spice
 */
@@ -56,12 +55,19 @@ class SerialPortMACOS : public SerialPort
     */
     bool writeByte(uInt8 data) override;
 
-  /**
-    Test for 'Clear To Send' enabled.
+    /**
+      Test for 'Clear To Send' enabled.
 
-    @return  True if CTS signal enabled, else false
-  */
-  bool isCTS() override;
+      @return  True if CTS signal enabled, else false
+    */
+    bool isCTS() override;
+
+    /**
+      Get all valid serial ports detected on this system.
+
+      @return  The (possibly empty) list of detected serial ports
+    */
+    StringList portNames() override;
 
   private:
     // File descriptor for serial connection
diff --git a/src/unix/SerialPortUNIX.cxx b/src/unix/SerialPortUNIX.cxx
index 7c39b3fb9..b155d5240 100644
--- a/src/unix/SerialPortUNIX.cxx
+++ b/src/unix/SerialPortUNIX.cxx
@@ -24,6 +24,7 @@
 #include <sys/ioctl.h>
 #include <cstring>
 
+#include "FSNode.hxx"
 #include "SerialPortUNIX.hxx"
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -95,3 +96,28 @@ bool SerialPortUNIX::isCTS()
   }
   return false;
 }
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+StringList SerialPortUNIX::portNames()
+{
+  StringList ports;
+
+  // Get all possible devices in the '/dev' directory
+  FilesystemNode::NameFilter filter = [](const FilesystemNode& node) {
+    return BSPF::startsWithIgnoreCase(node.getPath(), "/dev/ttyACM") ||
+           BSPF::startsWithIgnoreCase(node.getPath(), "/dev/ttyS")   ||
+           BSPF::startsWithIgnoreCase(node.getPath(), "/dev/ttyUSB");
+  };
+  FSList portList;
+  portList.reserve(16);
+
+  FilesystemNode dev("/dev/");
+  dev.getChildren(portList, FilesystemNode::ListMode::All, filter, false);
+
+  // Add only those that can be opened
+  for(const auto& port: portList)
+    if(openPort(port.getPath()))
+      ports.emplace_back(port.getPath());
+
+  return ports;
+}
diff --git a/src/unix/SerialPortUNIX.hxx b/src/unix/SerialPortUNIX.hxx
index dbf5f3299..640ee9b85 100644
--- a/src/unix/SerialPortUNIX.hxx
+++ b/src/unix/SerialPortUNIX.hxx
@@ -22,7 +22,7 @@
 
 /**
   Implement reading and writing from a serial port under UNIX.  For now,
-  it seems to be Linux-only, and reading isn't actually supported at all.
+  it seems to be Linux-only.
 
   @author  Stephen Anthony
 */
@@ -63,6 +63,13 @@ class SerialPortUNIX : public SerialPort
     */
     bool isCTS() override;
 
+    /**
+      Get all valid serial ports detected on this system.
+
+      @return  The (possibly empty) list of detected serial ports
+    */
+    StringList portNames() override;
+
   private:
     // File descriptor for serial connection
     int myHandle{0};
diff --git a/src/windows/SerialPortWINDOWS.cxx b/src/windows/SerialPortWINDOWS.cxx
index 2772821d6..8ec755091 100644
--- a/src/windows/SerialPortWINDOWS.cxx
+++ b/src/windows/SerialPortWINDOWS.cxx
@@ -112,3 +112,39 @@ bool SerialPortWINDOWS::isCTS()
   }
   return false;
 }
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+StringList SerialPortWINDOWS::portNames()
+{
+  StringList ports;
+
+  HKEY hKey = NULL;
+  LSTATUS result = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
+    L"HARDWARE\\DEVICEMAP\\SERIALCOMM", 0, KEY_READ, &hKey);
+  if (result == ERROR_SUCCESS)
+  {
+    TCHAR deviceName[2048], friendlyName[32];
+    DWORD numValues = 0;
+
+    result = RegQueryInfoKey(hKey, NULL, NULL, NULL, NULL, NULL, NULL,
+      &numValues, NULL, NULL, NULL, NULL);
+    if (result == ERROR_SUCCESS)
+    {
+      DWORD type = 0;
+      DWORD deviceNameLen = 2047;
+      DWORD friendlyNameLen = 31;
+
+      for (DWORD i = 0; i < numValues; ++i)
+      {
+        result = RegEnumValue(hKey, i, deviceName, &deviceNameLen,
+          NULL, &type, (LPBYTE)friendlyName, &friendlyNameLen);
+
+        if (result == ERROR_SUCCESS && type == REG_SZ)
+          ports.emplace_back(friendlyName);
+      }
+    }
+  }
+  RegCloseKey(hKey);
+
+  return ports;
+}
diff --git a/src/windows/SerialPortWINDOWS.hxx b/src/windows/SerialPortWINDOWS.hxx
index 9a7aec2e6..8c2215c51 100644
--- a/src/windows/SerialPortWINDOWS.hxx
+++ b/src/windows/SerialPortWINDOWS.hxx
@@ -63,6 +63,13 @@ class SerialPortWINDOWS : public SerialPort
     */
     bool isCTS() override;
 
+    /**
+      Get all valid serial ports detected on this system.
+
+      @return  The (possibly empty) list of detected serial ports
+    */
+    StringList portNames() override;
+
   private:
     // Handle to serial port
     HANDLE myHandle{0};
diff --git a/src/windows/Stella.vcxproj b/src/windows/Stella.vcxproj
index f37614cda..843abc45d 100644
--- a/src/windows/Stella.vcxproj
+++ b/src/windows/Stella.vcxproj
@@ -1742,7 +1742,6 @@
     <ClInclude Include="..\emucore\AmigaMouse.hxx" />
     <ClInclude Include="..\emucore\AtariMouse.hxx" />
     <ClInclude Include="..\emucore\Bankswitch.hxx" />
-    <ClInclude Include="..\emucore\BSType.hxx" />
     <ClInclude Include="..\emucore\Cart3EPlus.hxx" />
     <ClInclude Include="..\emucore\Cart3EX.hxx" />
     <ClInclude Include="..\emucore\Cart4KSC.hxx" />
diff --git a/src/windows/Stella.vcxproj.filters b/src/windows/Stella.vcxproj.filters
index 217dfaecf..35b428e4f 100644
--- a/src/windows/Stella.vcxproj.filters
+++ b/src/windows/Stella.vcxproj.filters
@@ -1829,9 +1829,6 @@
     <ClInclude Include="..\common\tv_filters\AtariNTSC.hxx">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\emucore\BSType.hxx">
-      <Filter>Header Files\emucore</Filter>
-    </ClInclude>
     <ClInclude Include="..\emucore\CartDetector.hxx">
       <Filter>Header Files\emucore</Filter>
     </ClInclude>