From 0dd58abb28d4fc2a1bfdadab729472f3a5d401ff Mon Sep 17 00:00:00 2001
From: alyosha-tas <alexei.f.k@gmail.com>
Date: Sun, 10 Apr 2016 18:29:45 -0400
Subject: [PATCH] update

---
 .../Consoles/Atari/2600/Tia/TIA.cs            | 48 +++++++++++++++++--
 1 file changed, 43 insertions(+), 5 deletions(-)

diff --git a/BizHawk.Emulation.Cores/Consoles/Atari/2600/Tia/TIA.cs b/BizHawk.Emulation.Cores/Consoles/Atari/2600/Tia/TIA.cs
index f80fa4a547..cb79a39605 100644
--- a/BizHawk.Emulation.Cores/Consoles/Atari/2600/Tia/TIA.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Atari/2600/Tia/TIA.cs
@@ -289,8 +289,11 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
 
         private int enam0_delay = 0;
         private int enam1_delay = 0;
+        private int enamb_delay = 0;
         private bool enam0_val = false;
         private bool enam1_val = false;
+        private bool enamb_val = false;
+
 
         private int prg0_delay = 0;
         private int prg1_delay = 0;
@@ -477,6 +480,18 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
 
             }
 
+            // delay latch to ball enable
+            if (enamb_delay > 0)
+            {
+                enamb_delay++;
+                if (enamb_delay == 3)
+                {
+                    enamb_delay = 0;
+                    _ball.Enabled = enamb_val;
+                }
+
+            }
+
             // delay latch to player graphics registers
             if (prg0_delay > 0)
             {
@@ -1237,15 +1252,37 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
 			}
 			else if (maskedAddr == 0x12) // RESM0
 			{
-				_player0.Missile.HPosCnt = (byte)(_hsyncCnt < 68 ? 160 - 2 : 160 - 4);
+                if (!_hmove.LateHBlankReset)
+                {
+                    _player0.Missile.HPosCnt = (byte)(_hsyncCnt < 68 ? 160 - 2 : 160 - 4);
+                } else
+                {
+                    _player0.Missile.HPosCnt = (byte)(_hsyncCnt < 76 ? 160 - 2 : 160 - 4);
+                }
+
             }
 			else if (maskedAddr == 0x13) // RESM1
 			{
-				_player1.Missile.HPosCnt = (byte)(_hsyncCnt < 68 ? 160 - 2 : 160 - 4);
-			}
+                if (!_hmove.LateHBlankReset)
+                {
+                    _player1.Missile.HPosCnt = (byte)(_hsyncCnt < 68 ? 160 - 2 : 160 - 4);
+                }
+                else
+                {
+                    _player1.Missile.HPosCnt = (byte)(_hsyncCnt < 76 ? 160 - 2 : 160 - 4);
+                }
+            }
 			else if (maskedAddr == 0x14) // RESBL
 			{
-				_ball.HPosCnt = (byte)(_hsyncCnt < 68 ? 160 - 2 : 160 - 4);
+                if (!_hmove.LateHBlankReset)
+                {
+                    _ball.HPosCnt = (byte)(_hsyncCnt < 68 ? 160 - 2 : 160 - 4);
+                }
+                else
+                {
+                    _ball.HPosCnt = (byte)(_hsyncCnt < 76 ? 160 - 2 : 160 - 4);
+                }
+                
 			}
 			else if (maskedAddr == 0x15) // AUDC0
 			{
@@ -1295,7 +1332,8 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
             }
 			else if (maskedAddr == 0x1F) // ENABL
 			{
-				_ball.Enabled = (value & 0x02) != 0;
+                enamb_val = (value & 0x02) != 0;
+                enamb_delay = 1;
 			}
 			else if (maskedAddr == 0x20) // HMP0
 			{