From 470be8ce4b6a010cf73fd3213b42af6dcb17fe9d Mon Sep 17 00:00:00 2001
From: Angelo Salese <angelosa@users.noreply.github.com>
Date: Sun, 27 Apr 2014 01:39:15 +0000
Subject: [PATCH] Fix for External->Reg opcode in TGP, VF2 now boots then dies
 a bunch of seconds later in gameplay/attract.

---
 src/emu/cpu/mb86233/mb86233.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/emu/cpu/mb86233/mb86233.c b/src/emu/cpu/mb86233/mb86233.c
index c2cc7e1a2c3..63f3f50724c 100644
--- a/src/emu/cpu/mb86233/mb86233.c
+++ b/src/emu/cpu/mb86233/mb86233.c
@@ -1160,12 +1160,17 @@ void mb86233_cpu_device::execute_run()
 					{
 						UINT32  offset;
 
-						if ( ( r2 >> 6 ) & 1 )
+						if ( (( r2 >> 6 ) & 7) == 1 )
+						{
 							offset = INDIRECT(r1,1);
+							val = GETEXTERNAL( 0,offset);
+						}
 						else
+						{
 							offset = INDIRECT(r1,0);
+							val = GETEXTERNAL( GETEB(),offset);
+						}
 
-						val = GETEXTERNAL( GETEB(),offset);
 						ALU( alu);
 						SETREGS(r2,val);
 					}