merge mappers from FCEU-mm

[fceu.git] / boards / 185.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
\r
#include "mapinc.h"\r
\r
static uint8 *DummyCHR=NULL;\r
static uint8 datareg;\r
static void(*Sync)(void);\r
\r
\r
static SFORMAT StateRegs[]=\r
{\r
  {&datareg, 1, "DREG"},\r
  {0}\r
};\r
\r
//   on    off\r
//1  0x0F, 0xF0 - Bird Week\r
//2  0x33, 0x00 - B-Wings\r
//3  0x11, 0x00 - Mighty Bomb Jack\r
//4  0x22, 0x20 - Sansuu 1 Nen, Sansuu 2 Nen\r
//5  0xFF, 0x00 - Sansuu 3 Nen\r
//6  0x21, 0x13 - Spy vs Spy\r
//7  0x20, 0x21 - Seicross\r
\r
static void Sync185(void)\r
{\r
  // little dirty eh? ;_)\r
  if((datareg&3)&&(datareg!=0x13)) // 1, 2, 3, 4, 5, 6\r
   setchr8(0);\r
  else\r
   setchr8r(0x10,0);\r
}\r
\r
static void Sync181(void)\r
{\r
  if(!(datareg&1))                      // 7\r
   setchr8(0);\r
  else\r
   setchr8r(0x10,0);\r
}\r
\r
static DECLFW(MWrite)\r
{\r
  datareg=V;\r
  Sync();\r
}\r
\r
static void MPower(void)\r
{\r
  datareg=0;\r
  Sync();\r
  setprg16(0x8000,0);\r
  setprg16(0xC000,~0);\r
  SetWriteHandler(0x8000,0xFFFF,MWrite);\r
  SetReadHandler(0x8000,0xFFFF,CartBR);\r
}\r
\r
static void MClose(void)\r
{\r
  if(DummyCHR)\r
    FCEU_gfree(DummyCHR);\r
  DummyCHR=NULL;\r
}\r
\r
static void MRestore(int version)\r
{\r
  Sync();\r
}\r
\r
void Mapper185_Init(CartInfo *info)\r
{\r
  Sync=Sync185;\r
  info->Power=MPower;\r
  info->Close=MClose;\r
  GameStateRestore=MRestore;\r
  DummyCHR=(uint8*)FCEU_gmalloc(8192);\r
  int x;\r
  for(x=0;x<8192;x++)\r
     DummyCHR[x]=0xff;\r
  SetupCartCHRMapping(0x10,DummyCHR,8192,0);\r
  AddExState(StateRegs, ~0, 0, 0);\r
}\r
\r
void Mapper181_Init(CartInfo *info)\r
{\r
  Sync=Sync181;\r
  info->Power=MPower;\r
  info->Close=MClose;\r
  GameStateRestore=MRestore;\r
  DummyCHR=(uint8*)FCEU_gmalloc(8192);\r
  int x;\r
  for(x=0;x<8192;x++)\r
     DummyCHR[x]=0xff;\r
  SetupCartCHRMapping(0x10,DummyCHR,8192,0);\r
  AddExState(StateRegs, ~0, 0, 0);\r
}\r