From 17b7a9d36c2dc5de4971e424028bbf00c090217f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Banaan=20Ananas?=
 <happppp@users.noreply.github.com>
Date: Wed, 26 Feb 2014 21:14:48 +0000
Subject: [PATCH] fix array out of bounds access

---
 src/emu/machine/z80dart.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/emu/machine/z80dart.c b/src/emu/machine/z80dart.c
index d545a7aeb2b..de3aacd4b67 100644
--- a/src/emu/machine/z80dart.c
+++ b/src/emu/machine/z80dart.c
@@ -824,7 +824,8 @@ void z80dart_channel::control_write(UINT8 data)
 	LOG(("Z80DART \"%s\" Channel %c : Control Register Write '%02x'\n", m_owner->tag(), 'A' + m_index, data));
 
 	// write data to selected register
-	m_wr[reg] = data;
+	if (reg < 6)
+		m_wr[reg] = data;
 
 	if (reg != 0)
 	{