From 40cb1cf60db92e31a93f9a57d17ccfa868ee93ef Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Sun, 16 Aug 2015 11:24:33 -0400
Subject: [PATCH] ... and the ball graphic.

---
 Machines/Atari2600.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/Machines/Atari2600.cpp b/Machines/Atari2600.cpp
index 1c0154fa4..51955cfd9 100644
--- a/Machines/Atari2600.cpp
+++ b/Machines/Atari2600.cpp
@@ -115,10 +115,13 @@ void Machine::get_output_pixel(uint8_t *pixel, int offset)
 	}
 
 	// get the ball proposed colour
-	uint8_t ballPixel;
-	int ballIndex = _objectCounter[4] - 4;
-	int ballSize = 1 << ((_playfieldControl >> 4)&3);
-	ballPixel = (ballIndex >= 0 && ballIndex < ballSize && (_ballGraphicsEnable&2)) ? 1 : 0;
+	uint8_t ballPixel = 0;
+	if(_ballGraphicsEnable&2)
+	{
+		int ballIndex = _objectCounter[4] - 4;
+		int ballSize = 1 << ((_playfieldControl >> 4)&3);
+		ballPixel = (ballIndex >= 0 && ballIndex < ballSize) ? 1 : 0;
+	}
 
 	// accumulate collisions
 	_collisions[0] |= ((missilePixels[0] & playerPixels[1]) << 7)	| ((missilePixels[0] & playerPixels[0]) << 6);