merge mapper code from FCEUX

[fceu.git] / boards / kof97.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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA\r
 */\r
\r
#include "mapinc.h"\r
#include "mmc3.h"\r
\r
static DECLFW(UNLKOF97CMDWrite)\r
{\r
  V=(V&0xD8)|((V&0x20)>>4)|((V&4)<<3)|((V&2)>>1)|((V&1)<<2);  //76143502\r
  if(A==0x9000) A=0x8001;  \r
  MMC3_CMDWrite(A,V);\r
}\r
\r
static DECLFW(UNLKOF97IRQWrite)\r
{\r
  V=(V&0xD8)|((V&0x20)>>4)|((V&4)<<3)|((V&2)>>1)|((V&1)<<2);\r
  if(A==0xD000) A=0xC001;\r
  else if(A==0xF000) A=0xE001;\r
  MMC3_IRQWrite(A,V);\r
}\r
\r
static void UNLKOF97Power(void)\r
{\r
  GenMMC3Power();\r
  SetWriteHandler(0x8000,0xA000,UNLKOF97CMDWrite);\r
  SetWriteHandler(0xC000,0xF000,UNLKOF97IRQWrite);\r
}\r
\r
void UNLKOF97_Init(CartInfo *info)\r
{\r
  GenMMC3_Init(info, 128, 256, 0, 0);\r
  info->Power=UNLKOF97Power;\r
}\r