X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2F168.c;fp=boards%2F168.c;h=170521ae87a0e0b1aae00e361c4ef8a564bd52db;hp=0000000000000000000000000000000000000000;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1

diff --git a/boards/168.c b/boards/168.c
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--- /dev/null
+++ b/boards/168.c
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+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2009 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
+ *
+ * RacerMate Chalenge II
+ *
+ */
+
+#include "mapinc.h"
+
+static uint8 reg;
+static uint8 *CHRRAM=NULL;
+static uint32 CHRRAMSIZE;
+
+static SFORMAT StateRegs[]=
+{
+  {&reg, 1, "REGS"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setchr4r(0x10,0x0000,0);
+  setchr4r(0x10,0x1000,reg&0x0f);
+  setprg16(0x8000,reg>>6);
+  setprg16(0xc000,~0);
+}
+
+static DECLFW(M168Write)
+{
+  reg=V;
+  Sync();
+}
+
+static DECLFW(M168Dummy)
+{
+}
+
+static void M168Power(void)
+{
+  reg=0;
+  Sync();
+  SetWriteHandler(0x4020,0x7fff,M168Dummy);
+  SetWriteHandler(0xB000,0xB000,M168Write);
+  SetWriteHandler(0xF000,0xF000,M168Dummy);
+  SetWriteHandler(0xF080,0xF080,M168Dummy);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+}
+
+static void MNNNClose(void)
+{
+  if(CHRRAM)
+    FCEU_gfree(CHRRAM);
+  CHRRAM=NULL;
+}
+
+static void StateRestore(int version)
+{
+  Sync();
+}
+
+void Mapper168_Init(CartInfo *info)
+{
+  info->Power=M168Power;
+  info->Close=MNNNClose;
+  GameStateRestore=StateRestore;
+  AddExState(&StateRegs, ~0, 0, 0);
+
+  CHRRAMSIZE=8192*8;
+  CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSIZE);
+  SetupCartCHRMapping(0x10,CHRRAM,CHRRAMSIZE,1);
+  AddExState(CHRRAM, CHRRAMSIZE, 0, "CRAM");
+
+}