From 3dc666810732dcabb95a3bd1d02d4fcee0befd3f Mon Sep 17 00:00:00 2001
From: Nebuleon Fumika
Date: Wed, 6 Feb 2013 05:59:22 -0500
Subject: Raise the sound frequency from 22050 Hz to 32000 Hz, which is like
 the SNES. Use sound interpolation to make it sound even more like the SNES.

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

(limited to 'source/nds/entry.cpp')

diff --git a/source/nds/entry.cpp b/source/nds/entry.cpp
index ca27249..723374c 100644
--- a/source/nds/entry.cpp
+++ b/source/nds/entry.cpp
@@ -425,7 +425,7 @@ void init_sfc_setting(void)
 	//sound settings
     Settings.APUEnabled = Settings.NextAPUEnabled = TRUE;
 	Settings.FixFrequency = 1;
-
+	Settings.InterpolatedSound = TRUE;
 
     Settings.H_Max = SNES_CYCLES_PER_SCANLINE;
     Settings.SkipFrames = AUTO_FRAMERATE;
@@ -1042,7 +1042,7 @@ void S9xGenerateSound ()
 	}
 }
 
-#define SOUND_EMISSION_INTERVAL ((unsigned int) ((((unsigned long long) DS2_BUFFER_SIZE * 1000000) / SND_SAMPLE_RATE) * 3 / 128))
+#define SOUND_EMISSION_INTERVAL ((unsigned int) ((((unsigned long long) DS2_BUFFER_SIZE * 1000000) / SND_SAMPLE_RATE) * 3 / 128) - 1) /* -1 is for roundoff errors */
 unsigned int LastSoundEmissionTime = 0;
 
 void S9xProcessSound (unsigned int)
-- 
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