boards/__dummy_mapper.c

   1 /* FCE Ultra - NES/Famicom Emulator\r
   2  *\r
   3  * Copyright notice for this file:\r
   4  *  Copyright (C) 2009 CaH4e3\r
   5  *\r
   6  * This program is free software; you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation; either version 2 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * This program is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with this program; if not, write to the Free Software\r
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA\r
  19  */\r
  20 \r
  21 #include "mapinc.h"\r
  22 \r
  23 static uint8 reg[8];\r
  24 /*\r
  25 static uint8 *WRAM=NULL;\r
  26 static uint32 WRAMSIZE;\r
  27 static uint8 *CHRRAM=NULL;\r
  28 static uint32 CHRRAMSIZE;\r
  29 */\r
  30 \r
  31 static SFORMAT StateRegs[]=\r
  32 {\r
  33   {reg, 8, "REGS"},\r
  34   {0}\r
  35 };\r
  36 \r
  37 static void Sync(void)\r
  38 {\r
  39 }\r
  40 \r
  41 static DECLFW(MNNNWrite)\r
  42 {\r
  43 }\r
  44 \r
  45 static void MNNNPower(void)\r
  46 {\r
  47 //  SetReadHandler(0x6000,0x7fff,CartBR);\r
  48 // SetWriteHandler(0x6000,0x7fff,CartBW);\r
  49   SetReadHandler(0x8000,0xFFFF,CartBR);\r
  50   SetWriteHandler(0x8000,0xFFFF,MNNNWrite);\r
  51 }\r
  52 \r
  53 static void MNNNReset(void)\r
  54 {\r
  55 }\r
  56 \r
  57 /*\r
  58 static void MNNNClose(void)\r
  59 {\r
  60   if(WRAM)\r
  61     FCEU_gfree(WRAM);\r
  62   if(CHRRAM)\r
  63     FCEU_gfree(CHRRAM);\r
  64   WRAM=CHRRAM=NULL;\r
  65 }\r
  66 */\r
  67 \r
  68 static void MNNNIRQHook(void)\r
  69 {\r
  70   X6502_IRQBegin(FCEU_IQEXT);\r
  71 }\r
  72 \r
  73 static void StateRestore(int version)\r
  74 {\r
  75   Sync();\r
  76 }\r
  77 \r
  78 void MapperNNN_Init(CartInfo *info)\r
  79 {\r
  80   info->Reset=MNNNReset;\r
  81   info->Power=MNNNPower;\r
  82 //  info->Close=MNNNClose;\r
  83   GameHBIRQHook=MNNNIRQHook;\r
  84   GameStateRestore=StateRestore;\r
  85 /*\r
  86   CHRRAMSIZE=8192;\r
  87   CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSIZE);\r
  88   SetupCartCHRMapping(0x10,CHRRAM,CHRRAMSIZE,1);\r
  89   AddExState(CHRRAM, CHRRAMSIZE, 0, "CRAM");\r
  90 */\r
  91 /*\r
  92   WRAMSIZE=8192;\r
  93   WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);\r
  94   SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);\r
  95   AddExState(WRAM, WRAMSIZE, 0, "WRAM");\r
  96   if(info->battery)\r
  97   {\r
  98     info->SaveGame[0]=WRAM;\r
  99     info->SaveGameLen[0]=WRAMSIZE;\r
 100   }\r
 101 */\r
 102   AddExState(&StateRegs, ~0, 0, 0);\r
 103 }\r