From 5e261fbec369d28326b7ec7f0d557ab40b9e3fd8 Mon Sep 17 00:00:00 2001
From: "memberTwo.mb2" <memberTwo.mb2@gmail.com>
Date: Mon, 3 Nov 2008 09:01:14 +0000
Subject: [PATCH] GP fifo reset fix (ZWW reset in DC at least). revert r1051
 for ppl who don't own quadcore :p

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1057 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 Source/Core/Core/Src/HW/CommandProcessor.cpp | 4 +++-
 Source/Core/VideoCommon/Src/Fifo.cpp         | 3 +--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Source/Core/Core/Src/HW/CommandProcessor.cpp b/Source/Core/Core/Src/HW/CommandProcessor.cpp
index 503936172e..5113600192 100644
--- a/Source/Core/Core/Src/HW/CommandProcessor.cpp
+++ b/Source/Core/Core/Src/HW/CommandProcessor.cpp
@@ -446,10 +446,12 @@ void Write16(const u16 _Value, const u32 _Address)
 		LOG(COMMANDPROCESSOR,"write to FIFO_BP_HI : %04x", _Value);
 		break;
 
-	// ignored writes
+	// needed for CPReadWriteDistance reset only
 	case FIFO_RW_DISTANCE_HI:
 	case FIFO_RW_DISTANCE_LO:	
 		LOG(COMMANDPROCESSOR,"try to write to %s : %04x",((_Address & 0xFFF) == FIFO_RW_DISTANCE_HI)	? "FIFO_RW_DISTANCE_HI" : "FIFO_RW_DISTANCE_LO", _Value);
+		_dbg_assert_msg_(COMMANDPROCESSOR, _Value==0, "WTF? attempt to overwrite fifo CPReadWriteDistance with a value(%04x) != 0 ",_Value);
+		InterlockedExchange((LONG*)&fifo.CPReadWriteDistance, 0);
 		break;
 	}
 
diff --git a/Source/Core/VideoCommon/Src/Fifo.cpp b/Source/Core/VideoCommon/Src/Fifo.cpp
index feeefad2d6..3ba946b273 100644
--- a/Source/Core/VideoCommon/Src/Fifo.cpp
+++ b/Source/Core/VideoCommon/Src/Fifo.cpp
@@ -113,8 +113,7 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
 #if defined(THREAD_VIDEO_WAKEUP_ONIDLE) && defined(_WIN32)
             continue;
 #else
-        //Common::SleepCurrentThread(1);
-        continue;
+			Common::SleepCurrentThread(1);
 #endif
         //etc...