Logo Search packages:      
Sourcecode: fceu version File versions  Download package

ines.c

/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 1998 BERO 
 *  Copyright (C) 2002 Xodnizel
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "types.h"
#include "x6502.h"
#include "fceu.h"
#include "cart.h"
#include "ppu.h"

#define INESPRIV
#include "ines.h"
#include "general.h"
#include "state.h"
#include "file.h"
#include "memory.h"
#include "crc32.h"
#include "md5.h"
#include "cheat.h"
#include "vsuni.h"

extern SFORMAT FCEUVSUNI_STATEINFO[];

static uint8 *trainerpoo=0;
static uint8 *ROM=NULL;
static uint8 *VROM=NULL;

static CartInfo iNESCart;

uint8 iNESMirroring;
uint16 iNESCHRBankList[8];
int32 iNESIRQLatch,iNESIRQCount;
uint8 iNESIRQa;

uint32 ROM_size;
uint32 VROM_size;

static void iNESPower(void);
static int NewiNES_Init(int num);

void (*MapClose)(void);
void (*MapperReset)(void);

static int MapperNo;

static iNES_HEADER head;

/*  MapperReset() is called when the NES is reset(with the reset button).  
    Mapperxxx_init is called when the NES has been powered on.
*/

static DECLFR(TrainerRead)
{
 return(trainerpoo[A&0x1FF]);
}

static void iNESGI(int h)
{
 switch(h)
 {
  case GI_RESETM2:
            if(MapperReset)
             MapperReset();
            if(iNESCart.Reset)
             iNESCart.Reset();
            break;
  case GI_POWER:
                if(iNESCart.Power)
                 iNESCart.Power();
            if(trainerpoo)
            {
             int x;
             for(x=0;x<512;x++)
             {
              X6502_DMW(0x7000+x,trainerpoo[x]);
              if(X6502_DMR(0x7000+x)!=trainerpoo[x])
              {
                    SetReadHandler(0x7000,0x71FF,TrainerRead);
                break;
              }
             }
            }
            break;
  case GI_CLOSE:
            {
                 FCEU_SaveGameSave(&iNESCart);

             if(iNESCart.Close) iNESCart.Close();
             if(ROM) {free(ROM);ROM=0;}
             if(VROM) {free(VROM);VROM=0;}
               if(MapClose) MapClose();
             if(trainerpoo) {FCEU_gfree(trainerpoo);trainerpoo=0;}
              }
            break;
     }
}

uint32 iNESGameCRC32;

struct CRCMATCH   {
      uint32 crc;
      char *name;
};

struct INPSEL {
      uint32 crc32;
      int input1;
      int input2;
      int inputfc;
};

/* This is mostly for my personal use.  So HA. */
static void SetInput(void)
{
 static struct INPSEL moo[]=
      {
         {0x3a1694f9,SI_GAMEPAD,SI_GAMEPAD,SIFC_4PLAYER},       /* Nekketsu Kakutou Densetsu */

       {0xc3c0811d,SI_GAMEPAD,SI_GAMEPAD,SIFC_OEKAKIDS},    /* The two "Oeka Kids" games */
       {0x9d048ea4,SI_GAMEPAD,SI_GAMEPAD,SIFC_OEKAKIDS},    /*                     */

       {0xaf4010ea,SI_GAMEPAD,SI_POWERPADB,-1}, /* World Class Track Meet */
       {0xd74b2719,SI_GAMEPAD,SI_POWERPADB,-1}, /* Super Team Games */
       {0x61d86167,SI_GAMEPAD,SI_POWERPADB,-1}, /* Street Cop */
       // Bad dump? {0x23040fc4,SI_GAMEPAD,SI_POWERPADB,-1},          /* Short Order/Eggsplode */


       {0x47232739,SI_GAMEPAD,SI_GAMEPAD,SIFC_TOPRIDER},    /* Top Rider */

       {0x48ca0ee1,SI_GAMEPAD,SI_GAMEPAD,SIFC_BWORLD},    /* Barcode World */
       {0x9f8f200a,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERA}, /* Super Mogura Tataki!! - Pokkun Moguraa */
       {0x9044550e,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERA}, /* Rairai Kyonshizu */
       {0x2f128512,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERA}, /* Jogging Race */
       {0x60ad090a,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERA}, /* Athletic World */

       {0x8a12a7d9,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB}, /* Totsugeki Fuuun Takeshi Jou */
       {0xea90f3e2,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB}, /* Running Stadium */
       {0x370ceb65,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB}, /* Meiro Dai Sakusen */
       // Bad dump? {0x69ffb014,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB}, /* Fuun Takeshi Jou 2 */
       {0x6cca1c1f,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB}, /* Dai Undoukai */
       {0x29de87af,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB},  /* Aerobics Studio */
         {0xbba58be5,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB},  /* Family Trainer: Manhattan Police */
       {0xea90f3e2,SI_GAMEPAD,SI_GAMEPAD,SIFC_FTRAINERB},  /* Family Trainer:  Running Stadium */

       {0xd9f45be9,SI_GAMEPAD,SI_GAMEPAD,SIFC_QUIZKING},  /* Gimme a Break ... */
       {0x1545bd13,SI_GAMEPAD,SI_GAMEPAD,SIFC_QUIZKING},  /* Gimme a Break ... 2 */

       {0x7b44fb2a,SI_GAMEPAD,SI_GAMEPAD,SIFC_MAHJONG},  /* Ide Yousuke Meijin no Jissen Mahjong 2 */
       {0x9fae4d46,SI_GAMEPAD,SI_GAMEPAD,SIFC_MAHJONG},  /* Ide Yousuke Meijin no Jissen Mahjong */

       {0x980be936,SI_GAMEPAD,SI_GAMEPAD,SIFC_HYPERSHOT}, /* Hyper Olympic */
       {0x21f85681,SI_GAMEPAD,SI_GAMEPAD,SIFC_HYPERSHOT}, /* Hyper Olympic (Gentei Ban) */
       {0x915a53a7,SI_GAMEPAD,SI_GAMEPAD,SIFC_HYPERSHOT}, /* Hyper Sports */
       {0xad9c63e2,SI_GAMEPAD,-1,SIFC_SHADOW},  /* Space Shadow */

       {0x24598791,-1,SI_ZAPPER,0}, /* Duck Hunt */
       {0xff24d794,-1,SI_ZAPPER,0},   /* Hogan's Alley */
       {0xbeb8ab01,-1,SI_ZAPPER,0}, /* Gumshoe */
       {0xde8fd935,-1,SI_ZAPPER,0}, /* To the Earth */
       {0xedc3662b,-1,SI_ZAPPER,0}, /* Operation Wolf */
       {0x23d17f5e,SI_GAMEPAD,SI_ZAPPER,0},     /* The Lone Ranger */
       {0xb8b9aca3,-1,SI_ZAPPER,0},  /* Wild Gunman */
       {0x5112dc21,-1,SI_ZAPPER,0},  /* Wild Gunman */
       {0x4318a2f8,-1,SI_ZAPPER,0},  /* Barker Bill's Trick Shooting */
       {0x5ee6008e,-1,SI_ZAPPER,0},  /* Mechanized Attack */
       {0x3e58a87e,-1,SI_ZAPPER,0},  /* Freedom Force */
       {0x851eb9be,SI_GAMEPAD,SI_ZAPPER,0},     /* Shooting Range */
       {0x74bea652,SI_GAMEPAD,SI_ZAPPER,0},     /* Supergun 3-in-1 */
       {0x32fb0583,-1,SI_ARKANOID,0}, /* Arkanoid(NES) */
       {0xd89e5a67,-1,-1,SIFC_ARKANOID}, /* Arkanoid (J) */
       {0x0f141525,-1,-1,SIFC_ARKANOID}, /* Arkanoid 2(J) */

       {0xf7606810,-1,-1,SIFC_FKB}, /* Family BASIC 2.0A */
       {0x895037bc,-1,-1,SIFC_FKB}, /* Family BASIC 2.1a */
       {0xb2530afc,-1,-1,SIFC_FKB}, /* Family BASIC 3.0 */
       {0,-1,-1,-1}
      };
 int x=0;

 while(moo[x].input1>=0 || moo[x].input2>=0 || moo[x].inputfc>=0)
 {
  if(moo[x].crc32==iNESGameCRC32)
  {
   FCEUGameInfo->input[0]=moo[x].input1;
   FCEUGameInfo->input[1]=moo[x].input2;
   FCEUGameInfo->inputfc=moo[x].inputfc;
   break;
  }
  x++;
 }
}

struct CHINF {
      uint32 crc32;     
      int32 mapper;
      int32 mirror;
};

static void CheckHInfo(void)
{
 /* ROM images that have the battery-backed bit set in the header that really
    don't have battery-backed RAM is not that big of a problem, so I'll
    treat this differently by only listing games that should have battery-backed RAM.

    Lower 64 bits of the MD5 hash.
 */

 static uint64 savie[]=
      {
       0x498c10dc463cfe95LL,  /* Battle Fleet */
       0x6917ffcaca2d8466LL,  /* Famista '90 */
         
         0xd63dcc68c2b20adcLL,    /* Final Fantasy J */
         0x012df596e2b31174LL,    /* Final Fantasy 1+2 */
         0xf6b359a720549ecdLL,    /* Final Fantasy 2 */
         0x5a30da1d9b4af35dLL,    /* Final Fantasy 3 */

       0x2ee3417ba8b69706LL,  /* Hydlide 3*/

       0xebbce5a54cf3ecc0LL,  /* Justbreed */

       0x6a858da551ba239eLL,  /* Kaijuu Monogatari */
       0xa40666740b7d22feLL,  /* Mindseeker */

         0x77b811b2760104b9LL,    /* Mouryou Senki Madara */

       0x11b69122efe86e8cLL,  /* RPG Jinsei Game */

       0xa70b495314f4d075LL,  /* Ys 3 */


       0xc04361e499748382LL,  /* AD&D Heroes of the Lance */
       0xb72ee2337ced5792LL,  /* AD&D Hillsfar */
       0x2b7103b7a27bd72fLL,  /* AD&D Pool of Radiance */

       0x854d7947a3177f57LL,    /* Crystalis */

       0xb0bcc02c843c1b79LL,  /* DW */
       0x4a1f5336b86851b6LL,  /* DW */

       0x2dcf3a98c7937c22LL,  /* DW 2 */
       0x733026b6b72f2470LL,  /* Dw 3 */
       0x98e55e09dfcc7533LL,  /* DW 4*/
       0x8da46db592a1fcf4LL,  /* Faria */
       0x91a6846d3202e3d6LL,  /* Final Fantasy */
       0xedba17a2c4608d20LL,  /* ""       */

         0x94b9484862a26cbaLL,    /* Legend of Zelda */
         0x04a31647de80fdabLL,    /*      ""      */
         
         0x9aa1dc16c05e7de5LL,    /* Startropics */
         0x1b084107d0878bd0LL,    /* Startropics 2*/

         0x836c0ff4f3e06e45LL,    /* Zelda 2 */

       0                /* Abandon all hope if the game has 0 in the lower 64-bits of its MD5 hash */
      };

 static struct CHINF moo[]=
      {
       {0x9cbadc25,5,8},      /* JustBreed */

//     {0x5f6e8a07,66,0},
       {0x983d8175,157,8},    /* Datach Battle Rush */
       {0x894efdbc,157,8},    /* Datach Crayon Shin Chan */
       {0x19e81461,157,8},    /* Datach DBZ */
       {0xbe06853f,157,8},    /* Datach J-League */
       {0x0be0a328,157,8},    /* Datach SD Gundam Wars */
       {0x5b457641,157,8},    /* Datach Ultraman Club */
       {0xf51a7f46,157,8},    /* Datach Yuu Yuu Hakusho */

       {0x60bfeb0c,90,-1},    /* MK 2*/

       {0xe62e3382,71,-1},    /* Mig-29 Soviet Fighter */
       {0x21a653c7,4,-1},     /* Super Sky Kid */

       {0xdd4d9a62,209,-1},   /* Shin Samurai Spirits 2 */
       {0x063b1151,209,-1},   /* Power Rangers 4 */
       {0xdd8ced31,209,-1},   /* Power Rangers 3 */

       {0x0c47946d,210,-1},   /* Chibi Maruko Chan */
       {0xbd523011,210,-1},   /* Dream Master */
         {0xc247cc80,210,-1},   /* Family Circuit '91 */
       {0x6ec51de5,210,-1},   /* Famista '92 */
       {0xadffd64f,210,-1},   /* Famista '93 */
       {0x429103c9,210,-1},   /* Famista '94 */
       {0x81b7f1a8,210,-1},   /* Heisei Tensai Bakabon */
       {0x2447e03b,210,-1},   /* Top Striker */
       {0x1dc0f740,210,-1},   /* Wagyan Land 2 */
         {0xd323b806,210,-1}, /* Wagyan Land 3 */

       {0x07eb2c12,208,-1},   /* Street Fighter IV */
       {0x96ce586e,189,8},    /* Street Fighter 2 YOKO */

       {0x7678f1d5,207,8},    /* Fudou Myouou Den */
       {0x276237b3,206,0},    /* Karnov */
       {0x4e1c1e3c,206,0},    /* Karnov */

       /* Some entries to sort out the minor 33/48 mess. */
       {0x40c0ad47,48,8},     /* Flintstones 2 */
       {0xa7b0536c,48,8},     /* Don Doko Don 2 */
       {0x99c395f9,48,8},     /* Captain Saver */

       {0x637134e8,193,1},    /* Fighting Hero */
       {0xcbf4366f,158,8},    /* Alien Syndrome (U.S. unlicensed) */
       {0xb19a55dd,64,8},     /* Road Runner */
       //{0x3eafd012,116,-1}, /* AV Girl Fighting */
       {0x1d0f4d6b,2,1},      /* Black Bass thinging */
       {0xf92be3ec,64,-1},    /* Rolling Thunder */
       {0x345ee51a,245,-1},   /* DQ4c */
       {0xf518dd58,7,8},      /* Captain Skyhawk */
       {0x7ccb12a3,43,-1},    /* SMB2j */
       {0x6f12afc5,235,-1},   /* Golden Game 150-in-1 */
       {0xccc03440,156,-1},   
       {0xc9ee15a7,3,-1},     /* 3 is probably best.  41 WILL NOT WORK. */

       {0x3e1271d5,79,1},     /* Tiles of Fate */
       {0x8eab381c,113,1},    /* Death Bots */

       {0xd4a76b07,79,0},     /* F-15 City Wars*/
       {0xa4fbb438,79,0},

       {0x1eb4a920,79,1},     /* Double Strike */
       {0x345d3a1a,11,1},     /* Castle of Deceit */
       {0x62ef6c79,232,8},    /* Quattro Sports -Aladdin */
       {0x5caa3e61,144,1},    /* Death Race */
       {0xd2699893,88,0},     /*  Dragon Spirit */

       {0x2f27cdef,155,8},  /* Tatakae!! Rahmen Man */
       {0xcfd4a281,155,8},    /* Money Game.  Yay for money! */
       {0xd1691028,154,8},    /* Devil Man */

       {0xc68363f6,180,0},    /* Crazy Climber */
       {0xbe939fce,9,1},      /* Punchout*/
       {0x5e66eaea,13,1},     /* Videomation */
       {0xaf5d7aa2,-1,0},     /* Clu Clu Land */

       {0xc2730c30,34,0},     /* Deadly Towers */
       {0x932ff06e,34,1},     /* Classic Concentration */
       {0x4c7c1af3,34,1},     /* Caesar's Palace */
       {0x9ea1dc76,2,0},      /* Rainbow Islands */
       
       {0x9eefb4b4,4,8},      /* Pachi Slot Adventure 2 */
       {0x5337f73c,4,8},      /* Niji no Silk Road */
       {0x7474ac92,4,8},      /* Kabuki: Quantum Fighter */

       {0x970bd9c2,1,8},      /* Hanjuku Hero */

       {0xbb7c5f7a,89,8},     /* Mito Koumon or something similar */

       /* Probably a Namco MMC3-workalike */
       {0xa5e6baf9,4,1|4},    /* Dragon Slayer 4 */
       {0xe40b4973,4,1|4},    /* Metro Cross */
         {0xd97c31b0,4,1|4},    /* Rasaaru Ishii no Childs Quest */

       {0x84382231,9,0},      /* Punch Out (J) */

       {0xfcdaca80,0,0},      /* Elevator Action */
       {0xe492d45a,0,0},      /* Zippy Race */
       {0x32fa246f,0,0},      /* Tag Team Pro Wrestling */
       {0x6d65cac6,2,0},      /* Terra Cresta */
       {0x28c11d24,2,1},      /* Sukeban Deka */
         {0x02863604,2,1},      /* Sukeban Deka */
         {0x2bb6a0f8,2,1},      /* Sherlock Holmes */
       {0x55773880,2,1},      /* Gilligan's Island */
       {0x419461d0,2,1},      /* Super Cars */
       {0x6e0eb43e,2,1},      /* Puss n Boots */

       {0x291bcd7d,1,8},      /* Pachio Kun 2 */
       {0xf74dfc91,1,-1},     /* Win, Lose, or Draw */

       {0x59280bec,4,8},      /* Jackie Chan */

       {0xfe364be5,1,8},      /* Deep Dungeon 4 */
       {0xd8ee7669,1,8},      /* Adventures of Rad Gravity */
       {0xa5e8d2cd,1,8},      /* Breakthru */
       {0xf6fa4453,1,8},      /* Bigfoot */
       {0x37ba3261,1,8},      /* Back to the Future 2 and 3 */
       {0x934db14a,1,-1},     /* All-Pro Basketball */
       {0xe94d5181,1,8},      /* Mirai Senshi - Lios */
       {0x7156cb4d,1,8},      /* Muppet Adventure Carnival thingy */
       {0x5b6ca654,1,8},      /* Barbie rev X*/
       {0x57c12280,1,8},      /* Demon Sword */

       {0xdbf90772,3,0},      /* Alpha Mission */
       {0xd858033d,3,0},      /* Armored Scrum Object */
       {0xcf322bb3,3,1},      /* John Elway's Quarterback */
       {0x9bde3267,3,1},      /* Adventures of Dino Riki */
       {0x02cc3973,3,1},      /* Ninja Kid */
       {0xb5d28ea2,3,1},      /* Mystery Quest - mapper 3?*/
       {0xbc065fc3,3,1},      /* Pipe Dream */

       {0x5b837e8d,1,8},      /* Alien Syndrome */
       {0x283ad224,32,8},     /* Ai Sensei no Oshiete */
       {0x5555fca3,32,8},     /* "" ""          */
       {0x243a8735,32,0x10|4}, /* Major League */

       {0x6bc65d7e,66,1},     /* Youkai Club*/
       {0xc2df0a00,66,1},     /* Bio Senshi Dan(hacked) */
       {0xbde3ae9b,66,1},     /* Doraemon */
       {0xd26efd78,66,1},     /* SMB Duck Hunt */
       {0x811f06d9,66,1},     /* Dragon Power */

       {0x3293afea,66,1},     /* Mississippi Satsujin Jiken */
       {0xe84274c5,66,1},     /* "" "" */

       {0x9552e8df,66,1},     /* Dragon Ball */

       {0x6e68e31a,16,8},     /* Dragon Ball 3*/

       {0xba51ac6f,78,2},
       {0x3d1c3137,78,8},     /* Uchuusen - Cosmo Carrier */

       {0xbda8f8e4,152,8},    /* Gegege no Kitarou 2 */
       {0x026c5fca,152,8},    /* Saint Seiya Ougon Densetsu */
       {0x0f141525,152,8},    /* Arkanoid 2 (Japanese) */
       {0xb1a94b82,152,8},    /* Pocket Zaurus */

       {0x3f15d20d,153,8},    /* Famicom Jump 2 */

       {0xbba58be5,70,-1},    /* Family Trainer - Manhattan Police */
       {0x370ceb65,70,-1},    /* Family Trainer - Meiro Dai Sakusen */
       {0xdd8ed0f7,70,1},     /* Kamen Rider Club */

       {0x90c773c1,118,-1},   /* Goal! 2 */
       {0xb9b4d9e0,118,-1},   /* NES Play Action Football */
       {0x78b657ac,118,-1},   /* Armadillo */
       {0x37b62d04,118,-1},   /* Ys 3 */
       {0x07d92c31,118,-1},   /* RPG Jinsei Game */
       {0x2705eaeb,234,-1},   /* Maxi 15 */
       {0x404b2e8b,4,2},      /* Rad Racer 2 */

       {0xa912b064,51|0x800,8},     /* 11-in-1 Ball Games(has CHR ROM when it shouldn't) */
       {0,-1,-1}
      };
 int tofix=0;
 int x;
 uint64 partialmd5=0;

 for(x=0;x<8;x++)
 {
  partialmd5 |= (uint64)iNESCart.MD5[15-x] << (x*8);
  //printf("%16llx\n",partialmd5);
 }

 x=0;

 do
 {
  if(moo[x].crc32==iNESGameCRC32)
  {
   if(moo[x].mapper>=0)
   {
    if(moo[x].mapper&0x800 && VROM_size)
    {
     VROM_size=0;
     free(VROM);
     VROM=0;
     tofix|=8;
    }
    if(MapperNo!=(moo[x].mapper&0xFF))
    {
     tofix|=1;
     MapperNo=moo[x].mapper&0xFF;
    }
   }
   if(moo[x].mirror>=0)
   {
    if(moo[x].mirror==8)
    {
     if(Mirroring==2)   /* Anything but hard-wired(four screen). */
     {
      tofix|=2;
      Mirroring=0;
     }
    }
    else if(Mirroring!=moo[x].mirror)
    {
     if(Mirroring!=(moo[x].mirror&~4))
      if((moo[x].mirror&~4)<=2)     /* Don't complain if one-screen mirroring
                           needs to be set(the iNES header can't
                           hold this information).
                        */
       tofix|=2;
     Mirroring=moo[x].mirror;
    }
   }
   break;
  }
  x++;
 } while(moo[x].mirror>=0 || moo[x].mapper>=0);

 x=0;
 while(savie[x] != 0)
 {
  if(savie[x] == partialmd5)
  {
   if(!(head.ROM_type&2))
   {
    tofix|=4;
    head.ROM_type|=2;
   }
  }
  x++;
 }

 /* Games that use these iNES mappers tend to have the four-screen bit set
    when it should not be.
 */
 if((MapperNo==118 || MapperNo==24 || MapperNo==26) && (Mirroring==2))
 {
  Mirroring=0;
  tofix|=2;
 }

 /* Four-screen mirroring implicitly set. */
 if(MapperNo==99)
  Mirroring=2;   

 if(tofix)
 {
  char gigastr[768];
  strcpy(gigastr,"The iNES header contains incorrect information.  For now, the information will be corrected in RAM.  ");
  if(tofix&1)
   sprintf(gigastr+strlen(gigastr),"The mapper number should be set to %d.  ",MapperNo);
  if(tofix&2)
  {
   char *mstr[3]={"Horizontal","Vertical","Four-screen"};
   sprintf(gigastr+strlen(gigastr),"Mirroring should be set to \"%s\".  ",mstr[Mirroring&3]);
  }
  if(tofix&4)
   strcat(gigastr,"The battery-backed bit should be set.  ");  
  if(tofix&8)
   strcat(gigastr,"This game should not have any CHR ROM.  ");
  strcat(gigastr,"\n");
  FCEU_printf("%s",gigastr);
 }
}

typedef struct {
      int mapper;
      void (*init)(CartInfo *);
} NewMI;

int iNESLoad(const char *name, FCEUFILE *fp)
{
        struct md5_context md5;

      if(FCEU_fread(&head,1,16,fp)!=16)
       return 0;

        if(memcmp(&head,"NES\x1a",4))
         return 0;

      memset(&iNESCart,0,sizeof(iNESCart));

        if(!memcmp((char *)(&head)+0x7,"DiskDude",8))
        {
         memset((char *)(&head)+0x7,0,0x9);
        }

        if(!memcmp((char *)(&head)+0x7,"demiforce",9))
        {
         memset((char *)(&head)+0x7,0,0x9);
        }

        if(!memcmp((char *)(&head)+0xA,"Ni03",4))
        {
         if(!memcmp((char *)(&head)+0x7,"Dis",3))
          memset((char *)(&head)+0x7,0,0x9);
         else
          memset((char *)(&head)+0xA,0,0x6);
        }

        if(!head.ROM_size)
      {
       FCEU_PrintError("No PRG ROM!");
       return(0);
         //head.ROM_size++;
      }
        ROM_size = head.ROM_size;
        VROM_size = head.VROM_size;
      ROM_size=uppow2(ROM_size);

        if(VROM_size)
       VROM_size=uppow2(VROM_size);

        MapperNo = (head.ROM_type>>4);
        MapperNo|=(head.ROM_type2&0xF0);
        Mirroring = (head.ROM_type&1);

      if(head.ROM_type&8) Mirroring=2;

        if(!(ROM=(uint8 *)FCEU_malloc(ROM_size<<14)))
       return 0;
            
        if (VROM_size) 
         if(!(VROM=(uint8 *)FCEU_malloc(VROM_size<<13)))
       {
        free(ROM);
        return 0;
       }

        memset(ROM,0xFF,ROM_size<<14);
        if(VROM_size) memset(VROM,0xFF,VROM_size<<13);
        if(head.ROM_type&4)   /* Trainer */
      {
       trainerpoo=(uint8 *)FCEU_gmalloc(512);
       FCEU_fread(trainerpoo,512,1,fp);
      }

      ResetCartMapping();
      ResetExState(0,0);

      SetupCartPRGMapping(0,ROM,ROM_size*0x4000,0);
        SetupCartPRGMapping(1,WRAM,8192,1);

        FCEU_fread(ROM,0x4000,head.ROM_size,fp);

      if(VROM_size)
       FCEU_fread(VROM,0x2000,head.VROM_size,fp);

        md5_starts(&md5);  
        md5_update(&md5,ROM,ROM_size<<14);

      iNESGameCRC32=CalcCRC32(0,ROM,ROM_size<<14);

      if(VROM_size)
      {
       iNESGameCRC32=CalcCRC32(iNESGameCRC32,VROM,VROM_size<<13);
         md5_update(&md5,VROM,VROM_size<<13);
      }
      md5_finish(&md5,iNESCart.MD5);
      memcpy(FCEUGameInfo->MD5,iNESCart.MD5,sizeof(iNESCart.MD5));

      iNESCart.CRC32=iNESGameCRC32;

        FCEU_printf(" PRG ROM:  %3d x 16KiB\n CHR ROM:  %3d x  8KiB\n ROM CRC32:  0x%08lx\n",
            head.ROM_size,head.VROM_size,iNESGameCRC32);

        {
         int x;
         FCEU_printf(" ROM MD5:  0x");
         for(x=0;x<16;x++) 
          FCEU_printf("%02x",iNESCart.MD5[x]);
         FCEU_printf("\n");
        }
      FCEU_printf(" Mapper:  %d\n Mirroring: %s\n", MapperNo,Mirroring==2?"None(Four-screen)":Mirroring?"Vertical":"Horizontal");
        if(head.ROM_type&2) FCEU_printf(" Battery-backed.\n");
        if(head.ROM_type&4) FCEU_printf(" Trained.\n");

      SetInput();
      CheckHInfo();
      {
       int x;
       uint64 partialmd5=0;

       for(x=0;x<8;x++)
       {
        partialmd5 |= (uint64)iNESCart.MD5[7-x] << (x*8);
       } 

       FCEU_VSUniCheck(partialmd5, &MapperNo, &Mirroring);
      }
      /* Must remain here because above functions might change value of
         VROM_size and free(VROM).
      */
      if(VROM_size)
         SetupCartCHRMapping(0,VROM,VROM_size*0x2000,0);

        if(Mirroring==2)
         SetupCartMirroring(4,1,ExtraNTARAM);
        else if(Mirroring>=0x10)
       SetupCartMirroring(2+(Mirroring&1),1,0);
      else
         SetupCartMirroring(Mirroring&1,(Mirroring&4)>>2,0);
      
      iNESCart.battery=(head.ROM_type&2)?1:0;
      iNESCart.mirror=Mirroring;

      //if(MapperNo != 18) {
      //    if(ROM) free(ROM);
      //    if(VROM) free(VROM);
      //    ROM=VROM=0;
      //    return(0);
      // }

      if(NewiNES_Init(MapperNo))
      {

      }
      else
      {
       iNESCart.Power=iNESPower;
         if(head.ROM_type&2)
       {
        iNESCart.SaveGame[0]=WRAM;
        iNESCart.SaveGameLen[0]=8192;
       }
      }
      FCEU_LoadGameSave(&iNESCart);

      GameInterface=iNESGI;
      FCEU_printf("\n");
        return 1;
}

void FASTAPASS(2) VRAM_BANK1(uint32 A, uint8 V)
{
 V&=7;
 PPUCHRRAM|=(1<<(A>>10));
 CHRBankList[(A)>>10]=V;
 VPage[(A)>>10]=&CHRRAM[V<<10]-(A);
}
 
void FASTAPASS(2) VRAM_BANK4(uint32 A, uint32 V)
{
 V&=1;
 PPUCHRRAM|=(0xF<<(A>>10));
 CHRBankList[(A)>>10]=(V<<2);
 CHRBankList[((A)>>10)+1]=(V<<2)+1;
 CHRBankList[((A)>>10)+2]=(V<<2)+2;
 CHRBankList[((A)>>10)+3]=(V<<2)+3;
 VPage[(A)>>10]=&CHRRAM[V<<10]-(A);
}
void FASTAPASS(2) VROM_BANK1(uint32 A,uint32 V)
{
 setchr1(A,V);
 CHRBankList[(A)>>10]=V;
}
 
void FASTAPASS(2) VROM_BANK2(uint32 A,uint32 V)
{
 setchr2(A,V);
 CHRBankList[(A)>>10]=(V<<1);
 CHRBankList[((A)>>10)+1]=(V<<1)+1;
}

void FASTAPASS(2) VROM_BANK4(uint32 A, uint32 V)
{
 setchr4(A,V);
 CHRBankList[(A)>>10]=(V<<2);
 CHRBankList[((A)>>10)+1]=(V<<2)+1;
 CHRBankList[((A)>>10)+2]=(V<<2)+2;
 CHRBankList[((A)>>10)+3]=(V<<2)+3;
}

void FASTAPASS(1) VROM_BANK8(uint32 V)
{
 setchr8(V);
 CHRBankList[0]=(V<<3);
 CHRBankList[1]=(V<<3)+1;
 CHRBankList[2]=(V<<3)+2;
 CHRBankList[3]=(V<<3)+3;
 CHRBankList[4]=(V<<3)+4;
 CHRBankList[5]=(V<<3)+5;
 CHRBankList[6]=(V<<3)+6;
 CHRBankList[7]=(V<<3)+7;
}

void FASTAPASS(2) ROM_BANK8(uint32 A, uint32 V)
{
 setprg8(A,V);
 if(A>=0x8000)
  PRGBankList[((A-0x8000)>>13)]=V;
}
 
void FASTAPASS(2) ROM_BANK16(uint32 A, uint32 V)
{
 setprg16(A,V);
 if(A>=0x8000) 
 {
  PRGBankList[((A-0x8000)>>13)]=V<<1;
  PRGBankList[((A-0x8000)>>13)+1]=(V<<1)+1;
 }
} 

void FASTAPASS(1) ROM_BANK32(uint32 V)
{
 setprg32(0x8000,V);
 PRGBankList[0]=V<<2;
 PRGBankList[1]=(V<<2)+1;
 PRGBankList[2]=(V<<2)+2;
 PRGBankList[3]=(V<<2)+3;
}

void FASTAPASS(1) onemir(uint8 V)
{
      if(Mirroring==2) return;
        if(V>1)
         V=1;
      Mirroring=0x10|V;
      setmirror(MI_0+V);
}

void FASTAPASS(1) MIRROR_SET2(uint8 V)
{
      if(Mirroring==2) return;
      Mirroring=V;
      setmirror(V);
}

void FASTAPASS(1) MIRROR_SET(uint8 V)
{
      if(Mirroring==2) return;
      V^=1;
      Mirroring=V;
      setmirror(V);
}

static void NONE_init(void)
{
        ROM_BANK16(0x8000,0);
        ROM_BANK16(0xC000,~0);

        if(VROM_size) 
       VROM_BANK8(0);
        else
       setvram8(CHRRAM);
}

void (*MapInitTab[256])(void)=
{
      0,
      0,Mapper2_init,Mapper3_init,0,
      0,Mapper6_init,Mapper7_init,Mapper8_init,
      Mapper9_init,Mapper10_init,Mapper11_init,0,
      Mapper13_init,0,Mapper15_init,Mapper16_init,
      Mapper17_init,Mapper18_init,0,0,
      Mapper21_init,Mapper22_init,Mapper23_init,Mapper24_init,
      Mapper25_init,Mapper26_init,0,0,
      0,0,0,Mapper32_init,
      Mapper33_init,Mapper34_init,0,0,
      0,0,0,Mapper40_init,
      Mapper41_init,Mapper42_init,Mapper43_init,0,
      0,Mapper46_init,0,Mapper48_init,0,Mapper50_init,Mapper51_init,0,
      0,0,0,0,Mapper57_init,Mapper58_init,Mapper59_init,Mapper60_init,
      Mapper61_init,Mapper62_init,0,Mapper64_init,
      Mapper65_init,Mapper66_init,Mapper67_init,Mapper68_init,
      Mapper69_init,Mapper70_init,Mapper71_init,Mapper72_init,
      Mapper73_init,0,Mapper75_init,Mapper76_init,
      Mapper77_init,Mapper78_init,Mapper79_init,Mapper80_init,
      0,Mapper82_init,Mapper83_init,0,
      Mapper85_init,Mapper86_init,Mapper87_init,Mapper88_init,
      Mapper89_init,0,Mapper91_init,Mapper92_init,
      Mapper93_init,Mapper94_init,0,Mapper96_init,
      Mapper97_init,0,Mapper99_init,0,
      0,0,0,0,0,0,Mapper107_init,0,
      0,0,0,Mapper112_init,Mapper113_init,Mapper114_init,0,0,
      Mapper117_init,0,0,0,0,0,0,0,
      0,0,0,0,0,0,0,0,
      0,0,0,0,0,0,0,Mapper140_init,
      0,0,0,Mapper144_init,0,0,0,0,
      0,0,Mapper151_init,Mapper152_init,Mapper153_init,Mapper154_init,0,Mapper156_init,
      Mapper157_init,Mapper158_init,Mapper159_init,0,0,0,0,0,
      0,0,0,0,0,0,0,0,
      0,0,0,0,0,0,0,Mapper180_init,
      0,Mapper182_init,0,Mapper184_init,Mapper185_init,0,0,0,
      Mapper189_init,0,0,0,Mapper193_init,0,0,0,
      0,0,0,Mapper200_init,Mapper201_init,Mapper202_init,Mapper203_init,0,
      0,0,Mapper207_init,0,0,0,0,0,
      0,0,0,0,0,0,0,0,
      0,0,0,0,Mapper225_init,Mapper226_init,Mapper227_init,Mapper228_init,
      Mapper229_init,Mapper230_init,Mapper231_init,Mapper232_init,0,Mapper234_init,Mapper235_init,0,
      0,0,0,Mapper240_init,Mapper241_init,Mapper242_init,0,Mapper244_init,
      0,Mapper246_init,0,Mapper248_init,0,0,0,0,0,0,Mapper255_init
};

static DECLFW(BWRAM)
{
                WRAM[A-0x6000]=V;
}

static DECLFR(AWRAM)
{
                return WRAM[A-0x6000];
}

void (*MapStateRestore)(int version);
void iNESStateRestore(int version)
{
 int x;
 
 if(!MapperNo) return;

 for(x=0;x<4;x++)
  setprg8(0x8000+x*8192,PRGBankList[x]);

 if(VROM_size)
  for(x=0;x<8;x++) 
    setchr1(0x400*x,CHRBankList[x]);

if(0) switch(Mirroring)
 {
   case 0:setmirror(MI_H);break;
   case 1:setmirror(MI_V);break;
   case 0x12:
   case 0x10:setmirror(MI_0);break;
   case 0x13:
   case 0x11:setmirror(MI_1);break;
 }
 if(MapStateRestore) MapStateRestore(version);
}

static void iNESPower(void)
{
        int x;
      int type=MapperNo;

        SetReadHandler(0x8000,0xFFFF,CartBR);
        GameStateRestore=iNESStateRestore;
        MapClose=0;
      MapperReset=0;
        MapStateRestore=0;

        setprg8r(1,0x6000,0);

        SetReadHandler(0x6000,0x7FFF,AWRAM);
        SetWriteHandler(0x6000,0x7FFF,BWRAM);
        FCEU_CheatAddRAM(8,0x6000,WRAM);

      /* This statement represents atrocious code.  I need to rewrite
         all of the iNES mapper code... */
      IRQCount=IRQLatch=IRQa=0;
        if(head.ROM_type&2)
         memset(GameMemBlock+8192,0,sizeof(GameMemBlock)-8192);
      else
         memset(GameMemBlock,0,sizeof(GameMemBlock));

        NONE_init();

        ResetExState(0,0);
      if(FCEUGameInfo->type == GIT_VSUNI)
       AddExState(FCEUVSUNI_STATEINFO, ~0, 0, 0);

        AddExState(WRAM, 8192, 0, "WRAM");
        if(type==19 || type==6 || type==69 || type==85 || type==96)
         AddExState(MapperExRAM, 32768, 0, "MEXR");
        if((!VROM_size || type==6 || type==19) &&
         (type!=13 && type!=96))
         AddExState(CHRRAM, 8192, 0, "CHRR");
        if(head.ROM_type&8)
         AddExState(ExtraNTARAM, 2048, 0, "EXNR");

      /* Exclude some mappers whose emulation code handle save state stuff 
         themselves. */
      if(type && type!=13 && type!=96)
      {
         AddExState(mapbyte1, 32, 0, "MPBY");
         AddExState(&Mirroring, 1, 0, "MIRR");
         AddExState(&IRQCount, 4, 1, "IRQC");
         AddExState(&IRQLatch, 4, 1, "IQL1");
         AddExState(&IRQa, 1, 0, "IRQA");
         AddExState(PRGBankList, 4, 0, "PBL");
         for(x=0;x<8;x++)
         {
          char tak[8];
          sprintf(tak,"CBL%d",x);         
          AddExState(&CHRBankList[x], 2, 1,tak);
         }
      }

        if(MapInitTab[type]) MapInitTab[type]();
        else if(type)
        {
         FCEU_PrintError("iNES mapper #%d is not supported at all.",type);
        }
}


typedef struct {
           int number;   
           void (*init)(CartInfo *);
} BMAPPING;

static BMAPPING bmap[] = {
      {1, Mapper1_Init},
      {4, Mapper4_Init},
      {5, Mapper5_Init},
      {12, Mapper12_Init},
      {19, Mapper19_Init},
        {44, Mapper44_Init},
        {45, Mapper45_Init},
        {47, Mapper47_Init},
        {49, Mapper49_Init},
        {52, Mapper52_Init},
        {74, Mapper74_Init},
      {90, Mapper90_Init},
      {160, Mapper90_Init},
      {165, Mapper165_Init},
      {209, Mapper209_Init},

      {95, Mapper95_Init},
      {105, Mapper105_Init},
        {115, Mapper115_Init},
        {116, Mapper116_Init},
      {118, Mapper118_Init},
      {119, Mapper119_Init},  /* Has CHR ROM and CHR RAM by default.  Hmm. */
      {155, Mapper155_Init},
      {164, Mapper164_Init},
        {187, Mapper187_Init},
      {206, Mapper206_Init},
        {208, Mapper208_Init},
      {210, Mapper210_Init},
        {245, Mapper245_Init},
        {249, Mapper249_Init},
        {250, Mapper250_Init},
      {0,0}
};

static int NewiNES_Init(int num)
{
 BMAPPING *tmp=bmap;

 if(FCEUGameInfo->type == GIT_VSUNI)
  AddExState(FCEUVSUNI_STATEINFO, ~0, 0, 0);

 while(tmp->init)
 {
  if(num==tmp->number)
  {
   if(!VROM_size)
   {
    VROM=(uint8 *)malloc(8192);
    SetupCartCHRMapping(0x0,VROM,8192,1);
    AddExState(VROM, 8192, 0, "CHRR");
   }
   if(head.ROM_type&8)
    AddExState(ExtraNTARAM, 2048, 0, "EXNR");
   tmp->init(&iNESCart);
   return(1);
  }
  tmp++;
 }
 return(0);
}

Generated by  Doxygen 1.6.0   Back to index