mappers updated to 0.98.16

[fceu.git] / boards / 88.c

diff --git a/boards/88.c b/boards/88.c
new file mode 100644 (file)
index 0000000..03fbf5b
--- /dev/null
+++ b/boards/88.c
@@ -0,0 +1,87 @@
+/* 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 uint8 reg[8];
+static uint8 mirror, cmd, is154;
+
+static SFORMAT StateRegs[]=
+{
+  {&cmd, 1, "CMD"},
+  {&mirror, 1, "MIRR"},
+  {reg, 8, "REGS"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setchr2(0x0000,reg[0]>>1);
+  setchr2(0x0800,reg[1]>>1);
+  setchr1(0x1000,reg[2]|0x40);
+  setchr1(0x1400,reg[3]|0x40);
+  setchr1(0x1800,reg[4]|0x40);
+  setchr1(0x1C00,reg[5]|0x40);
+  setprg8(0x8000,reg[6]);
+  setprg8(0xA000,reg[7]);
+}
+
+static void MSync(void)
+{
+  if(is154)setmirror(MI_0+(mirror&1));
+}
+
+static DECLFW(M88Write)
+{
+  switch(A&0x8001)
+  {
+    case 0x8000: cmd=V&7; mirror=V>>6; MSync(); break;
+    case 0x8001: reg[cmd]=V; Sync(); break;
+  }
+}
+
+static void M88Power(void)
+{
+  setprg16(0xC000,~0);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  SetWriteHandler(0x8000,0xFFFF,M88Write);
+}
+
+static void StateRestore(int version)
+{
+  Sync();
+  MSync();
+}
+
+void Mapper88_Init(CartInfo *info)
+{
+  is154=0;  
+  info->Power=M88Power;
+  GameStateRestore=StateRestore;
+  AddExState(&StateRegs, ~0, 0, 0);
+}
+
+void Mapper154_Init(CartInfo *info)
+{
+  is154=1;
+  info->Power=M88Power;
+  GameStateRestore=StateRestore;
+  AddExState(&StateRegs, ~0, 0, 0);
+}