From 2b6d5ee27c194564aa9fa6c72f64f64d8e058bef Mon Sep 17 00:00:00 2001
From: iq_132 <1191709+iq132@users.noreply.github.com>
Date: Sat, 19 Apr 2014 01:39:02 +0000
Subject: [PATCH] Fix Ash No Joe save states.

---
 src/burn/drv/taito/d_ashnojoe.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/burn/drv/taito/d_ashnojoe.cpp b/src/burn/drv/taito/d_ashnojoe.cpp
index ea2b9a4d1..5244e2b2a 100644
--- a/src/burn/drv/taito/d_ashnojoe.cpp
+++ b/src/burn/drv/taito/d_ashnojoe.cpp
@@ -220,6 +220,8 @@ void DrvYM2203WritePortA(UINT32, UINT32 d)
 
 void DrvYM2203WritePortB(UINT32, UINT32 d)
 {
+	if (ZetGetActive() == -1) return; // fix crash on init
+
 	INT32 bank = (d & 0x0f) * 0x8000;
 
 	ZetMapArea(0x8000, 0xffff, 0, DrvZ80Banks + bank);
@@ -237,11 +239,15 @@ inline static void DrvIRQHandler(INT32, INT32 nStatus)
 
 static INT32 DrvSynchroniseStream(INT32 nSoundRate)
 {
+	if (ZetGetActive() == -1) return 0;
+
 	return (INT64)(double)ZetTotalCycles() * nSoundRate / 4000000;
 }
 
 static double DrvGetTime()
 {
+	if (ZetGetActive() == -1) return 0;
+
 	return (double)ZetTotalCycles() / 4000000.0;
 }