The-Homebrew-Cloud/fceugx
2
0
Fork 0
mirror of https://github.com/dborth/fceugx.git synced 2024-11-01 15:05:05 +01:00
Code Issues Packages Projects Releases Wiki Activity
e2fe1444ae
fceugx/source/fceultra/ines.c
dborth e2fe1444ae update core to 0.98.13pre
2008-09-19 05:33:26 +00:00

1082 lines
26 KiB
C
Raw Blame History

/* 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;
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);
int MapperNo;
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 */
{0x6435c095,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 */
{0x2a6559a1,-1,SI_ZAPPER,0}, /* Operation Wolf (J) */
{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) */
{0x912989dc,-1,-1,SIFC_FKB}, /* Playbox BASIC */
{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++;
}
}
#define INESB_INCOMPLETE 1
#define INESB_CORRUPT 2
#define INESB_HACKED 4
struct BADINF {
uint64 md5partial;
char *name;
uint32 type;
};
static struct BADINF BadROMImages[]=
{
#include "ines-bad.h"
};
void CheckBad(uint64 md5partial)
{
int x;
x=0;
//printf("0x%llx\n",md5partial);
while(BadROMImages[x].name)
{
if(BadROMImages[x].md5partial == md5partial)
{
FCEU_PrintError("The copy game you have loaded, \"%s\", is bad, and will not work properly on FCE Ultra.", BadROMImages[x].name);
return;
}
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[]=
{
#include "ines-correct.h"
};
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);
}
CheckBad(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},
{188, Mapper188_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);
}
/****************************************************************************
** GC V1.0
**
** Duplicate load from memory
****************************************************************************/
int iNESMemLoad(char *nesrom)
{
struct md5_context md5;
int memoffs = 0;
memcpy(&head, nesrom, 16);
memoffs+=16;
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);
memcpy(trainerpoo, &nesrom[memoffs], 512);
memoffs+=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);
memcpy(ROM, &nesrom[memoffs], head.ROM_size * 0x4000);
memoffs += ( head.ROM_size * 0x4000 );
if(VROM_size){
//FCEU_fread(VROM,0x2000,head.VROM_size,fp);
memcpy(VROM, &nesrom[memoffs], 0x2000 * head.VROM_size);
memoffs += ( head.VROM_size * 0x2000 );
}
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;
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(NewiNES_Init(MapperNo))
{
}
else
{
iNESCart.Power=iNESPower;
if(head.ROM_type&2)
{
iNESCart.SaveGame[0]=WRAM;
iNESCart.SaveGameLen[0]=8192;
}
}
GameInterface=iNESGI;
return 1;
}
Reference in New Issue View Git Blame Copy Permalink