merge mappers from FCEU-mm

[fceu.git] / boards / h2288.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
#include "mmc3.h"\r
\r
extern uint8 m114_perm[8];\r
\r
static void H2288PW(uint32 A, uint8 V)\r
{\r
  if(EXPREGS[0]&0x40)\r
  {\r
    uint8 bank=(EXPREGS[0]&5)|((EXPREGS[0]&8)>>2)|((EXPREGS[0]&0x20)>>2);\r
    if(EXPREGS[0]&2)\r
      setprg32(0x8000,bank>>1);\r
    else\r
    {\r
      setprg16(0x8000,bank);\r
      setprg16(0xC000,bank);\r
    }\r
  }\r
  else\r
    setprg8(A,V&0x3F);\r
}\r
\r
static DECLFW(H2288WriteHi)\r
{\r
  switch (A&0x8001)\r
  {\r
    case 0x8000: MMC3_CMDWrite(0x8000,(V&0xC0)|(m114_perm[V&7])); break;\r
    case 0x8001: MMC3_CMDWrite(0x8001,V); break;\r
  }\r
}\r
\r
static DECLFW(H2288WriteLo)\r
{\r
  if(A&0x800)\r
  {\r
    if(A&1)\r
      EXPREGS[1]=V;\r
    else\r
      EXPREGS[0]=V;\r
    FixMMC3PRG(MMC3_cmd);\r
  }\r
}\r
\r
static void H2288Power(void)\r
{\r
  EXPREGS[0]=EXPREGS[1]=0;\r
  GenMMC3Power();\r
//  SetReadHandler(0x5000,0x5FFF,H2288Read);\r
  SetReadHandler(0x8000,0xFFFF,CartBR);\r
  SetWriteHandler(0x5000,0x5FFF,H2288WriteLo);\r
  SetWriteHandler(0x8000,0x9FFF,H2288WriteHi);\r
}\r
\r
void UNLH2288_Init(CartInfo *info)\r
{\r
  GenMMC3_Init(info, 256, 256, 0, 0);\r
  pwrap=H2288PW;\r
  info->Power=H2288Power;\r
  AddExState(EXPREGS, 2, 0, "EXPR");\r
}\r