From c682dd1c27ff5f1c4facd533ff74c4cfe29476fd Mon Sep 17 00:00:00 2001
From: Christian Speckner <christian.speckner@mayflower.de>
Date: Sun, 17 Sep 2017 14:12:14 +0200
Subject: [PATCH] Microoptimization: avoid function dispatch overhead.

---
 src/emucore/tia/TIA.cxx | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/emucore/tia/TIA.cxx b/src/emucore/tia/TIA.cxx
index 250304ca4..4d8ecf2b0 100644
--- a/src/emucore/tia/TIA.cxx
+++ b/src/emucore/tia/TIA.cxx
@@ -1153,7 +1153,7 @@ void TIA::cycle(uInt32 colorClocks)
       else
         tickHframe();
 
-      if (myCollisionUpdateRequired) updateCollision();
+      if (myCollisionUpdateRequired && !myFrameManager.vblank()) updateCollision();
     }
 
     if (++myHctr >= 228)
@@ -1271,8 +1271,6 @@ void TIA::cloneLastLine()
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void TIA::updateCollision()
 {
-  if (myFrameManager.vblank()) return;
-
   myCollisionMask |= (
     myPlayer0.collision &
     myPlayer1.collision &