From 7d04780880aa07289ff6d5cb7390b7070faf8ba3 Mon Sep 17 00:00:00 2001
From: ekeeke31 <ekeeke31@fcb46045-4337-0410-a722-cd382f7ce8f6>
Date: Thu, 16 Sep 2010 11:36:09 +0000
Subject: [PATCH] disabled interrupt during YM2612 table initialization to
 prevent pow() function returning wrong values: fixes random sound issues on
 game startup

---
 source/sound/ym2612.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/source/sound/ym2612.c b/source/sound/ym2612.c
index 1a12cdb..1aa3b79 100644
--- a/source/sound/ym2612.c
+++ b/source/sound/ym2612.c
@@ -1827,10 +1827,14 @@ static void init_tables(void)
   signed int n;
   double o,m;
 
+#ifdef NGC
+  u32 level = IRQ_Disable();
+#endif
+  
   /* build Linear Power Table */
   for (x=0; x<TL_RES_LEN; x++)
   {
-    m = (1<<16) / pow(2, (x+1) * (ENV_STEP/4.0) / 8.0);
+    m = (1<<16) / pow(2,(x+1) * (ENV_STEP/4.0) / 8.0);
     m = floor(m);
 
     /* we never reach (1<<16) here due to the (x+1) */
@@ -1861,6 +1865,10 @@ static void init_tables(void)
     }
   }
 
+#ifdef NGC
+  IRQ_Restore(level);
+#endif
+
   /* build Logarithmic Sinus table */
   for (i=0; i<SIN_LEN; i++)
   {