diff --git a/src/debugger/TIADebug.cxx b/src/debugger/TIADebug.cxx
index b561cb299..2af04264f 100644
--- a/src/debugger/TIADebug.cxx
+++ b/src/debugger/TIADebug.cxx
@@ -549,10 +549,8 @@ uInt8 TIADebug::grP1(int newVal)
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 uInt8 TIADebug::posP0(int newVal)
 {
-#if 0 // FIXME
   if(newVal > -1)
-    myTIA.myPOSP0 = newVal;
-#endif
+    myTIA.myPlayer0.setPosition(newVal);
 
   return myTIA.myPlayer0.getPosition();
 }
@@ -560,10 +558,8 @@ uInt8 TIADebug::posP0(int newVal)
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 uInt8 TIADebug::posP1(int newVal)
 {
-#if 0 // FIXME
   if(newVal > -1)
-    myTIA.myPOSP1 = newVal;
-#endif
+    myTIA.myPlayer1.setPosition(newVal);
 
   return myTIA.myPlayer1.getPosition();
 }
diff --git a/src/emucore/tia/Player.cxx b/src/emucore/tia/Player.cxx
index 21ed1cd53..898461d32 100644
--- a/src/emucore/tia/Player.cxx
+++ b/src/emucore/tia/Player.cxx
@@ -369,7 +369,15 @@ uInt8 Player::getPosition() const
   const uInt8 shift = myDivider == 1 ? 0 : 1;
 
   // Mind the sign of renderCounterOffset: it's defined negative above
-  return (316 - myCounter - Count::renderCounterOffset + shift + myPositioningProvider->getPosition()) % 160;
+  return (316 - myCounter - Count::renderCounterOffset + shift + myPlayfieldPositionProvider->getPosition()) % 160;
+}
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void Player::setPosition(uInt8 newPosition)
+{
+  const uInt8 shift = myDivider == 1 ? 0 : 1;
+
+  myCounter = (316 - newPosition - Count::renderCounterOffset + shift + myPlayfieldPositionProvider->getPosition()) % 160;
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
diff --git a/src/emucore/tia/Player.hxx b/src/emucore/tia/Player.hxx
index 264425718..44d4cda71 100644
--- a/src/emucore/tia/Player.hxx
+++ b/src/emucore/tia/Player.hxx
@@ -20,7 +20,7 @@
 
 #include "bspf.hxx"
 #include "Serializable.hxx"
-#include "PositioningProvider.hxx"
+#include "PlayfieldPositionProvider.hxx"
 
 class Player : public Serializable
 {
@@ -29,8 +29,8 @@ class Player : public Serializable
 
   public:
 
-    void setPositioningProvider(PositioningProvider* positioningProvider) {
-      myPositioningProvider = positioningProvider;
+    void setPlayfieldPositionProvider(PlayfieldPositionProvider* playfieldPositionProvider) {
+      myPlayfieldPositionProvider = playfieldPositionProvider;
     }
 
     void reset();
@@ -74,6 +74,7 @@ class Player : public Serializable
     uInt8 getRespClock() const;
 
     uInt8 getPosition() const;
+    void setPosition(uInt8 newPosition);
 
     /**
       Serializable methods (see that class for more information).
@@ -125,7 +126,7 @@ class Player : public Serializable
     bool myIsReflected;
     bool myIsDelaying;
 
-    PositioningProvider *myPositioningProvider;
+    PlayfieldPositionProvider *myPlayfieldPositionProvider;
 
   private:
     Player(const Player&) = delete;
diff --git a/src/emucore/tia/PositioningProvider.hxx b/src/emucore/tia/PlayfieldPositionProvider.hxx
similarity index 86%
rename from src/emucore/tia/PositioningProvider.hxx
rename to src/emucore/tia/PlayfieldPositionProvider.hxx
index 55e987016..4027c15f1 100644
--- a/src/emucore/tia/PositioningProvider.hxx
+++ b/src/emucore/tia/PlayfieldPositionProvider.hxx
@@ -15,8 +15,8 @@
 // this file, and for a DISCLAIMER OF ALL WARRANTIES.
 //============================================================================
 
-#ifndef TIA_POSITIONING_PROVIDER
-#define TIA_POSITIONING_PROVIDER
+#ifndef TIA_PLAYFIELD_PROVIDER
+#define TIA_PLAYFIELD_PROVIDER
 
 #include "bspf.hxx"
 
@@ -27,7 +27,7 @@
 
   @author  Christian Speckner (DirtyHairy) and Stephen Anthony
 */
-class PositioningProvider
+class PlayfieldPositionProvider
 {
   public:
 
@@ -38,7 +38,7 @@ class PositioningProvider
 
   protected:
 
-    ~PositioningProvider() = default;
+    ~PlayfieldPositionProvider() = default;
 
 };
 
diff --git a/src/emucore/tia/TIA.cxx b/src/emucore/tia/TIA.cxx
index 640247bc2..3bf8fd9c1 100644
--- a/src/emucore/tia/TIA.cxx
+++ b/src/emucore/tia/TIA.cxx
@@ -95,8 +95,8 @@ TIA::TIA(Console& console, Sound& sound, Settings& settings)
 
   myTIAPinsDriven = mySettings.getBool("tiadriven");
 
-  myPlayer0.setPositioningProvider(this);
-  myPlayer1.setPositioningProvider(this);
+  myPlayer0.setPlayfieldPositionProvider(this);
+  myPlayer1.setPlayfieldPositionProvider(this);
 
   reset();
 }
diff --git a/src/emucore/tia/TIA.hxx b/src/emucore/tia/TIA.hxx
index be47fde59..88a394e42 100644
--- a/src/emucore/tia/TIA.hxx
+++ b/src/emucore/tia/TIA.hxx
@@ -35,7 +35,7 @@
 #include "Ball.hxx"
 #include "LatchedInput.hxx"
 #include "PaddleReader.hxx"
-#include "PositioningProvider.hxx"
+#include "PlayfieldPositionProvider.hxx"
 
 /**
   This class is a device that emulates the Television Interface Adaptor
@@ -50,7 +50,7 @@
 
   @author  Christian Speckner (DirtyHairy) and Stephen Anthony
 */
-class TIA : public Device, public PositioningProvider
+class TIA : public Device, public PlayfieldPositionProvider
 {
   public:
     friend class TIADebug;