From d4fcf2697c9a45594e3ee0b8bf82e480ddd0b69b Mon Sep 17 00:00:00 2001
From: Nebuleon Fumika
Date: Fri, 8 Feb 2013 03:22:27 -0500
Subject: Require one audio buffer to be free again. Otherwise, if the 4
 buffers get full, it's already game over, and getAudiobuff becomes NULL for
 about 400 milliseconds, stopping all emulation.

---
 source/nds/entry.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'source')

diff --git a/source/nds/entry.cpp b/source/nds/entry.cpp
index af832f9..77620bf 100644
--- a/source/nds/entry.cpp
+++ b/source/nds/entry.cpp
@@ -1004,7 +1004,7 @@ void S9xProcessSound (unsigned int)
 	unsigned int Now = getSysTime();
 	if (Now - LastSoundEmissionTime >= SOUND_EMISSION_INTERVAL)
 	{
-		if(ds2_checkAudiobuff() > AUDIO_BUFFER_COUNT)
+		if(ds2_checkAudiobuff() > AUDIO_BUFFER_COUNT - 1)
 		{
 			LastSoundEmissionTime++;
 			return;
@@ -1022,7 +1022,7 @@ void S9xProcessSound (unsigned int)
 		{
 			LastSoundEmissionTime += SOUND_EMISSION_INTERVAL;
 			SoundEmissionTimeError += SOUND_EMISSION_INTERVAL_ERROR;
-			if (SoundEmissionTimeError > FIXED_POINT)
+			if (SoundEmissionTimeError >= FIXED_POINT)
 			{
 				LastSoundEmissionTime += SoundEmissionTimeError >> FIXED_POINT_SHIFT;
 				SoundEmissionTimeError &= FIXED_POINT_REMAINDER;
-- 
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