diff --git a/src/emucore/tia/core_6502ts/Types.hxx b/src/emucore/tia/core_6502ts/Types.hxx
new file mode 100644
index 000000000..7d6c5bc0d
--- /dev/null
+++ b/src/emucore/tia/core_6502ts/Types.hxx
@@ -0,0 +1,31 @@
+//============================================================================
+//
+//   SSSS    tt          lll  lll
+//  SS  SS   tt           ll   ll
+//  SS     tttttt  eeee   ll   ll   aaaa
+//   SSSS    tt   ee  ee  ll   ll      aa
+//      SS   tt   eeeeee  ll   ll   aaaaa  --  "An Atari 2600 VCS Emulator"
+//  SS  SS   tt   ee      ll   ll  aa  aa
+//   SSSS     ttt  eeeee llll llll  aaaaa
+//
+// Copyright (c) 1995-2016 by Bradford W. Mott, Stephen Anthony
+// and the Stella Team
+//
+// See the file "License.txt" for information on usage and redistribution of
+// this file, and for a DISCLAIMER OF ALL WARRANTIES.
+//
+// $Id$
+//============================================================================
+
+#ifndef TIA_6502TS_CORE_TYPES
+#define TIA_6502TS_CORE_TYPES
+
+namespace TIA6502tsCore {
+
+enum TvMode {
+  pal, ntsc
+};
+
+} // namespace TIA6502tsCore
+
+#endif // TIA_6502TS_CORE_TYPES
\ No newline at end of file