merge mappers from FCEU-mm

[fceu.git] / boards / dream.c

/* FCE Ultra - NES/Famicom Emulator\r
 *\r
 * Copyright notice for this file:\r
 *  Copyright (C) 2005 CaH4e3\r
 *\r
 * This program is free software; you can redistribute it and/or modify\r
 * it under the terms of the GNU General Public License as published by\r
 * the Free Software Foundation; either version 2 of the License, or\r
 * (at your option) any later version.\r
 *\r
 * This program is distributed in the hope that it will be useful,\r
 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
 * GNU General Public License for more details.\r
 *\r
 * You should have received a copy of the GNU General Public License\r
 * along with this program; if not, write to the Free Software\r
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
 */\r
\r
#include "mapinc.h"\r
\r
static uint8 latche;\r
\r
static void Sync(void)\r
{\r
  setprg16(0x8000,latche);\r
  setprg16(0xC000,8);\r
}\r
\r
static DECLFW(DREAMWrite)\r
{\r
  latche=V&7;\r
  Sync();\r
}\r
\r
static void DREAMPower(void)\r
{\r
  latche=0;\r
  Sync();\r
  setchr8(0);\r
  SetReadHandler(0x8000,0xFFFF,CartBR);\r
  SetWriteHandler(0x5020,0x5020,DREAMWrite);\r
}\r
\r
static void Restore(int version)\r
{\r
  Sync();\r
}\r
\r
void DreamTech01_Init(CartInfo *info)\r
{\r
  GameStateRestore=Restore;\r
  info->Power=DREAMPower;\r
  AddExState(&latche, 1, 0, "LATC");\r
}\r