mappers updated to 0.98.16

[fceu.git] / boards / 235.c

diff --git a/boards/235.c b/boards/235.c
new file mode 100644 (file)
index 0000000..34bbc0f
--- /dev/null
+++ b/boards/235.c
@@ -0,0 +1,70 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2005 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 uint16 cmdreg;
+static SFORMAT StateRegs[]=
+{
+  {&cmdreg, 2, "CMDREG"},
+  {0}
+};
+
+static void Sync(void)
+{
+  if(cmdreg&0x400)
+    setmirror(MI_0);
+  else
+    setmirror(((cmdreg>>13)&1)^1);
+  if(cmdreg&0x800)
+  {
+    setprg16(0x8000,((cmdreg&0x300)>>3)|((cmdreg&0x1F)<<1)|((cmdreg>>12)&1));
+    setprg16(0xC000,((cmdreg&0x300)>>3)|((cmdreg&0x1F)<<1)|((cmdreg>>12)&1));
+  }
+  else
+    setprg32(0x8000,((cmdreg&0x300)>>4)|(cmdreg&0x1F));
+}
+
+static DECLFW(M235Write)
+{
+  cmdreg=A;
+  Sync();
+}
+
+static void M235Power(void)
+{
+  setchr8(0);
+  SetWriteHandler(0x8000,0xFFFF,M235Write);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  cmdreg=0;
+  Sync();
+}
+
+static void M235Restore(int version)
+{
+  Sync();
+}
+
+void Mapper235_Init(CartInfo *info)
+{
+  info->Power=M235Power;
+  GameStateRestore=M235Restore;
+  AddExState(&StateRegs, ~0, 0, 0);
+}