Setters for player and ball old registers.

src/emucore/tia/Ball.cxx

@@ -203,6 +203,15 @@ void Ball::tick(bool isReceivingMclock)
       myCounter = 0;
 }
 
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void Ball::setENABLOld(bool enabled)
+{
+  myTIA->flushLineCache();
+
+  myIsEnabledOld = enabled;
+  updateEnabled();
+}
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void Ball::shuffleStatus()
 {

src/emucore/tia/Ball.hxx

@@ -74,6 +74,8 @@ class Ball : public Serializable
     bool getENABLOld() const { return myIsEnabledOld; }
     bool getENABLNew() const { return myIsEnabledNew; }
 
+    void setENABLOld(bool enabled);
+
     /**
       Serializable methods (see that class for more information).
     */

src/emucore/tia/Player.cxx

@@ -336,6 +336,15 @@ uInt8 Player::getRespClock() const
   }
 }
 
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void Player::setGRPOld(uInt8 pattern)
+{
+  myTIA->flushLineCache();
+
+  myPatternOld = pattern;
+  updatePattern();
+}
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void Player::updatePattern()
 {

src/emucore/tia/Player.hxx

@@ -78,6 +78,8 @@ class Player : public Serializable
     uInt8 getGRPOld() const { return myPatternOld; };
     uInt8 getGRPNew() const { return myPatternNew; };
 
+    void setGRPOld(uInt8 pattern);
+
     /**
       Serializable methods (see that class for more information).
     */