merge mappers from FCEU-mm

[fceu.git] / boards / 411120-c.c

/* FCE Ultra - NES/Famicom Emulator\r
 *\r
 * Copyright notice for this file:\r
 *  Copyright (C) 2008 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
// actually cart ID is 811120-C, sorry ;) K-3094 - another ID\r
\r
#include "mapinc.h"\r
#include "mmc3.h"\r
\r
static uint8 reset_flag = 0;\r
\r
static void BMC411120CCW(uint32 A, uint8 V)\r
{\r
    setchr1(A,V|((EXPREGS[0]&3)<<7));\r
}\r
\r
static void BMC411120CPW(uint32 A, uint8 V)\r
{\r
    if(EXPREGS[0]&(8|reset_flag))\r
      setprg32(0x8000,((EXPREGS[0]>>4)&3)|(0x0C));\r
    else\r
      setprg8(A,(V&0x0F)|((EXPREGS[0]&3)<<4));\r
}\r
\r
static DECLFW(BMC411120CLoWrite)\r
{\r
  EXPREGS[0] = A;\r
  FixMMC3PRG(MMC3_cmd);\r
  FixMMC3CHR(MMC3_cmd);\r
}\r
\r
static void BMC411120CReset(void)\r
{\r
  EXPREGS[0]=0;\r
  reset_flag ^=4;\r
  MMC3RegReset();\r
}\r
\r
static void BMC411120CPower(void)\r
{\r
  EXPREGS[0] = 0;\r
  GenMMC3Power();\r
  SetWriteHandler(0x6000,0x7FFF,BMC411120CLoWrite);\r
}\r
\r
void BMC411120C_Init(CartInfo *info)\r
{\r
  GenMMC3_Init(info, 128, 128, 8, 0);\r
  pwrap=BMC411120CPW;\r
  cwrap=BMC411120CCW;\r
  info->Power=BMC411120CPower;\r
  info->Reset=BMC411120CReset;\r
  AddExState(EXPREGS, 1, 0, "EXPR");\r
}\r