From 33028eb0ca444793518b5554662290b231168a56 Mon Sep 17 00:00:00 2001
From: dinkc64 <12570148+dinkc64@users.noreply.github.com>
Date: Mon, 4 Aug 2014 18:37:54 +0000
Subject: [PATCH] Megadrive (burn_ym2612.cpp): prevent crash if savestate
 functions are used after a reset.

---
 src/burn/snd/burn_ym2612.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/burn/snd/burn_ym2612.cpp b/src/burn/snd/burn_ym2612.cpp
index 288f4bced..d02efa266 100644
--- a/src/burn/snd/burn_ym2612.cpp
+++ b/src/burn/snd/burn_ym2612.cpp
@@ -308,9 +308,13 @@ void BurnYM2612Exit()
 	DebugSnd_YM2612Initted = 0;
 }
 
+void BurnStateExit();
+
 INT32 BurnYM2612Init(INT32 num, INT32 nClockFrequency, FM_IRQHANDLER IRQCallback, INT32 (*StreamCallback)(INT32), double (*GetTimeCallback)(), INT32 bAddSignal)
 {
 	DebugSnd_YM2612Initted = 1;
+
+	BurnStateExit(); // prevent crash (in fm.c, bottom of YM2612Init()) if the postload function is double-called (e.g.after a reset) Aug 4, 2014 - dink
 	
 	if (num > MAX_YM2612) num = MAX_YM2612;