X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2F170.c;fp=boards%2F170.c;h=7694fe052e24ccf2056e95c818153ceb940ef161;hp=0000000000000000000000000000000000000000;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1

diff --git a/boards/170.c b/boards/170.c
new file mode 100644
index 0000000..7694fe0
--- /dev/null
+++ b/boards/170.c
@@ -0,0 +1,68 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2011 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 reg;
+
+static SFORMAT StateRegs[]=
+{
+  {&reg, 1, "REGS"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setprg16(0x8000, 0);
+  setprg16(0xc000,~0);
+  setchr8(0);
+}
+
+static DECLFW(M170ProtW)
+{
+  reg = V << 1 & 0x80;
+}
+
+static DECLFR(M170ProtR)
+{
+  return reg | (X.DB & 0x7F);
+}
+
+static void M170Power(void)
+{
+  Sync();
+  SetWriteHandler(0x6502,0x6502,M170ProtW);
+  SetWriteHandler(0x7000,0x7000,M170ProtW);
+  SetReadHandler(0x7001,0x7001,M170ProtR);
+  SetReadHandler(0x7777,0x7777,M170ProtR);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+}
+
+static void StateRestore(int version)
+{
+  Sync();
+}
+
+void Mapper170_Init(CartInfo *info)
+{
+  info->Power=M170Power;
+  GameStateRestore=StateRestore;
+  AddExState(&StateRegs, ~0, 0, 0);
+}