diff --git a/src/emucore/tia/Ball.cxx b/src/emucore/tia/Ball.cxx
index f259945cd..7cd37d694 100644
--- a/src/emucore/tia/Ball.cxx
+++ b/src/emucore/tia/Ball.cxx
@@ -69,9 +69,9 @@ void Ball::hmbl(uInt8 value)
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Ball::resbl(bool hblank)
+void Ball::resbl(bool hblank, bool extendedHblank)
 {
-  myCounter = hblank ? 159 : 157;
+  myCounter = hblank ? (extendedHblank ? 158 : 159) : 157;
 
   myIsRendering = true;
   myRenderCounter = Count::renderCounterOffset;
diff --git a/src/emucore/tia/Ball.hxx b/src/emucore/tia/Ball.hxx
index 0792ed14d..7f9468445 100644
--- a/src/emucore/tia/Ball.hxx
+++ b/src/emucore/tia/Ball.hxx
@@ -39,7 +39,7 @@ class Ball : public Serializable
     void hmbl(uInt8 value);
     uInt8 hmbl() const { return myHmmClocks; }
 
-    void resbl(bool hblank);
+    void resbl(bool hblank, bool extendedHblank);
 
     void ctrlpf(uInt8 value);
 
diff --git a/src/emucore/tia/Missile.cxx b/src/emucore/tia/Missile.cxx
index 635b2e6d2..4c7cff39a 100644
--- a/src/emucore/tia/Missile.cxx
+++ b/src/emucore/tia/Missile.cxx
@@ -69,9 +69,9 @@ void Missile::hmm(uInt8 value)
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Missile::resm(bool hblank)
+void Missile::resm(bool hblank, bool extendedHblank)
 {
-  myCounter = hblank ? 159 : 157;
+  myCounter = hblank ? (extendedHblank ? 158 : 159) : 157;
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
diff --git a/src/emucore/tia/Missile.hxx b/src/emucore/tia/Missile.hxx
index 0fe195c69..c8ea58c0d 100644
--- a/src/emucore/tia/Missile.hxx
+++ b/src/emucore/tia/Missile.hxx
@@ -39,7 +39,7 @@ class Missile : public Serializable
     void hmm(uInt8 value);
     uInt32 hmm() const { return myHmmClocks; }
 
-    void resm(bool hblank);
+    void resm(bool hblank, bool extendHblank);
 
     void resmp(uInt8 value, const Player& player);
     bool resmp() const { return bool(myResmp); }
diff --git a/src/emucore/tia/Player.cxx b/src/emucore/tia/Player.cxx
index f7fb179f1..1ec5150de 100644
--- a/src/emucore/tia/Player.cxx
+++ b/src/emucore/tia/Player.cxx
@@ -91,9 +91,9 @@ void Player::nusiz(uInt8 value)
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Player::resp(bool hblank)
+void Player::resp(bool hblank, bool extendedHblank)
 {
-  myCounter = hblank ? 159 : 157;
+  myCounter = hblank ? (extendedHblank ? 158 : 159) : 157;
 
   if (myIsRendering && myRenderCounter < -1)
     myRenderCounter = Count::renderCounterOffset;
diff --git a/src/emucore/tia/Player.hxx b/src/emucore/tia/Player.hxx
index 3b4f17a35..2883d6ba7 100644
--- a/src/emucore/tia/Player.hxx
+++ b/src/emucore/tia/Player.hxx
@@ -40,7 +40,7 @@ class Player : public Serializable
 
     void nusiz(uInt8 value);
 
-    void resp(bool hblank);
+    void resp(bool hblank, bool extendedHblank);
 
     void refp(uInt8 value);
     bool refp() const { return myIsReflected; }
diff --git a/src/emucore/tia/TIA.cxx b/src/emucore/tia/TIA.cxx
index 279072115..5aeb6dc5c 100644
--- a/src/emucore/tia/TIA.cxx
+++ b/src/emucore/tia/TIA.cxx
@@ -442,12 +442,12 @@ bool TIA::poke(uInt16 address, uInt8 value)
 
     case RESM0:
       myLinesSinceChange = 0;
-      myMissile0.resm(myHstate == HState::blank);
+      myMissile0.resm(myHstate == HState::blank, myExtendedHblank);
       break;
 
     case RESM1:
       myLinesSinceChange = 0;
-      myMissile1.resm(myHstate == HState::blank);
+      myMissile1.resm(myHstate == HState::blank, myExtendedHblank);
       break;
 
     case RESMP0:
@@ -512,12 +512,12 @@ bool TIA::poke(uInt16 address, uInt8 value)
 
     case RESP0:
       myLinesSinceChange = 0;
-      myPlayer0.resp(myHstate == HState::blank);
+      myPlayer0.resp(myHstate == HState::blank, myExtendedHblank);
       break;
 
     case RESP1:
       myLinesSinceChange = 0;
-      myPlayer1.resp(myHstate == HState::blank);
+      myPlayer1.resp(myHstate == HState::blank, myExtendedHblank);
       break;
 
     case REFP0:
@@ -553,7 +553,7 @@ bool TIA::poke(uInt16 address, uInt8 value)
 
     case RESBL:
       myLinesSinceChange = 0;
-      myBall.resbl(myHstate == HState::blank);
+      myBall.resbl(myHstate == HState::blank, myExtendedHblank);
       break;
 
     case VDELBL: