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diff --git a/boards/151.c b/boards/151.c
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+++ b/boards/151.c
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+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2012 CaH4e3
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "mapinc.h"
+
+static uint8 regs[8];
+
+static SFORMAT StateRegs[]=
+{
+  {regs, 8, "REGS"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setprg8(0x8000,regs[0]);
+  setprg8(0xA000,regs[2]);
+  setprg8(0xC000,regs[4]);
+  setprg8(0xE000,~0);
+  setchr4(0x0000,regs[6]);  
+  setchr4(0x1000,regs[7]);  
+}
+
+static DECLFW(M151Write)
+{
+  regs[(A >> 12)&7] = V;
+  Sync();
+}
+
+static void M151Power(void)
+{
+  Sync();
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  SetWriteHandler(0x8000,0xFFFF,M151Write);
+}
+
+static void StateRestore(int version)
+{
+  Sync();
+}
+
+void Mapper151_Init(CartInfo *info)
+{
+  info->Power=M151Power;
+  GameStateRestore=StateRestore;
+  AddExState(&StateRegs, ~0, 0, 0);
+}