updated bords/mappers/stuff to 0.98.15, lots of them got broken, asmcore support...
[fceu.git] / boards / 112.c
diff --git a/boards/112.c b/boards/112.c
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+/* 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;
+static uint8 *WRAM=NULL;
+static SFORMAT StateRegs[]=
+{
+  {&cmd, 1, "CMD"},
+  {&mirror, 1, "MIRR"},
+  {reg, 8, "REGS"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setmirror(mirror^1);
+  setprg8(0x8000,reg[0]);
+  setprg8(0xA000,reg[1]);
+  setchr2(0x0000,reg[2]>>1);
+  setchr2(0x0800,reg[3]>>1);
+  setchr1(0x1000,reg[4]);
+  setchr1(0x1400,reg[5]);
+  setchr1(0x1800,reg[6]);
+  setchr1(0x1C00,reg[7]);
+}
+
+static DECLFW(M112Write)
+{
+  switch(A)
+  {
+    case 0xe000: mirror=V&1; Sync(); ;break;
+    case 0x8000: cmd=V&7; break;
+    case 0xa000: reg[cmd]=V; Sync(); break;
+  }
+}
+
+static void M112Close(void)
+{
+  if(WRAM)
+    FCEU_gfree(WRAM);
+  WRAM = NULL;
+}
+
+static void M112Power(void)
+{
+  Sync();
+  setprg16(0xC000,~0);
+  setprg8r(0x10,0x6000,0);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  SetWriteHandler(0x8000,0xFFFF,M112Write);
+  SetReadHandler(0x6000,0x7FFF,CartBR);
+  SetWriteHandler(0x6000,0x7FFF,CartBW);
+}
+
+static void StateRestore(int version)
+{
+  Sync();
+}
+
+void Mapper112_Init(CartInfo *info)
+{
+  info->Power=M112Power;
+  info->Close=M112Close;
+  GameStateRestore=StateRestore;
+  WRAM=(uint8*)FCEU_gmalloc(8192);
+  SetupCartPRGMapping(0x10,WRAM,8192,1);
+  AddExState(WRAM, 8192, 0, "WRAM");
+  AddExState(&StateRegs, ~0, 0, 0);
+}