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fceux/unif.cpp

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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* 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
*/
/* TODO: Battery backup file saving, mirror force */
/* **INCOMPLETE** */
/* Override stuff: CHR RAM instead of CHR ROM, mirroring. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "types.h"
#include "fceu.h"
#include "cart.h"
#include "unif.h"
#include "ines.h"
#include "general.h"
#include "state.h"
#include "endian.h"
#include "file.h"
#include "memory.h"
#include "input.h"
#include "md5.h"
typedef struct {
char ID[4];
uint32 info;
} UNIF_HEADER;
typedef struct {
char *name;
void (*init)(CartInfo *);
int flags;
} BMAPPING;
typedef struct {
char *name;
int (*init)(FCEUFILE *fp);
} BFMAPPING;
static CartInfo UNIFCart;
static int vramo;
static int mirrortodo;
static uint8 *boardname;
static uint8 *sboardname;
static uint32 CHRRAMSize;
uint8 *UNIFchrrama=0;
static UNIF_HEADER unhead;
static UNIF_HEADER uchead;
static uint8 *malloced[32];
static uint32 mallocedsizes[32];
static int FixRomSize(uint32 size, uint32 minimum)
{
uint32 x=1; //mbg merge 7/17/06 made uint
if(size<minimum)
return minimum;
while(x<size)
x<<=1;
return x;
}
static void FreeUNIF(void)
{
int x;
if(UNIFchrrama)
{free(UNIFchrrama);UNIFchrrama=0;}
if(boardname)
{free(boardname);boardname=0;}
for(x=0;x<32;x++)
{
if(malloced[x])
{free(malloced[x]);malloced[x]=0;}
}
}
static void ResetUNIF(void)
{
int x;
for(x=0;x<32;x++)
malloced[x]=0;
vramo=0;
boardname=0;
mirrortodo=0;
memset(&UNIFCart,0,sizeof(UNIFCart));
UNIFchrrama=0;
}
static uint8 exntar[2048];
static void MooMirroring(void)
{
if(mirrortodo<0x4)
SetupCartMirroring(mirrortodo,1,0);
else if(mirrortodo==0x4)
{
SetupCartMirroring(4,1,exntar);
AddExState(exntar, 2048, 0,"EXNR");
}
else
SetupCartMirroring(0,0,0);
}
static int DoMirroring(FCEUFILE *fp)
{
uint8 t;
t=FCEU_fgetc(fp);
mirrortodo=t;
{
static char *stuffo[6]={"Horizontal","Vertical","$2000","$2400","\"Four-screen\"","Controlled by Mapper Hardware"};
if(t<6)
FCEU_printf(" Name/Attribute Table Mirroring: %s\n",stuffo[t]);
}
return(1);
}
static int NAME(FCEUFILE *fp)
{
char namebuf[100];
int index;
int t;
FCEU_printf(" Name: ");
index=0;
while((t=FCEU_fgetc(fp))>0)
if(index<99)
namebuf[index++]=t;
namebuf[index]=0;
FCEU_printf("%s\n",namebuf);
if(!FCEUGameInfo->name)
{
FCEUGameInfo->name=(uint8*)malloc(strlen(namebuf)+1); //mbg merge 7/17/06 added cast
strcpy((char*)FCEUGameInfo->name,namebuf); //mbg merge 7/17/06 added cast
}
return(1);
}
static int DINF(FCEUFILE *fp)
{
char name[100], method[100];
uint8 d, m;
uint16 y;
int t;
if(FCEU_fread(name,1,100,fp)!=100)
return(0);
if((t=FCEU_fgetc(fp))==EOF) return(0);
d=t;
if((t=FCEU_fgetc(fp))==EOF) return(0);
m=t;
if((t=FCEU_fgetc(fp))==EOF) return(0);
y=t;
if((t=FCEU_fgetc(fp))==EOF) return(0);
y|=t<<8;
if(FCEU_fread(method,1,100,fp)!=100)
return(0);
name[99]=method[99]=0;
FCEU_printf(" Dumped by: %s\n",name);
FCEU_printf(" Dumped with: %s\n",method);
{
char *months[12]={"January","February","March","April","May","June","July",
"August","September","October","November","December"};
FCEU_printf(" Dumped on: %s %d, %d\n",months[(m-1)%12],d,y);
}
return(1);
}
static int CTRL(FCEUFILE *fp)
{
int t;
if((t=FCEU_fgetc(fp))==EOF)
return(0);
/* The information stored in this byte isn't very helpful, but it's
better than nothing...maybe.
*/
if(t&1) FCEUGameInfo->input[0]=FCEUGameInfo->input[1]=SI_GAMEPAD;
else FCEUGameInfo->input[0]=FCEUGameInfo->input[1]=SI_NONE;
if(t&2) FCEUGameInfo->input[1]=SI_ZAPPER;
//else if(t&0x10) FCEUGameInfo->input[1]=SI_POWERPAD;
return(1);
}
static int TVCI(FCEUFILE *fp)
{
int t;
if( (t=FCEU_fgetc(fp)) ==EOF)
return(0);
if(t<=2)
{
char *stuffo[3]={"NTSC","PAL","NTSC and PAL"};
if(t==0)
{
FCEUGameInfo->vidsys=GIV_NTSC;
FCEUI_SetVidSystem(0);
}
else if(t==1)
{
FCEUGameInfo->vidsys=GIV_PAL;
FCEUI_SetVidSystem(1);
}
FCEU_printf(" TV Standard Compatibility: %s\n",stuffo[t]);
}
return(1);
}
static int EnableBattery(FCEUFILE *fp)
{
FCEU_printf(" Battery-backed.\n");
if(FCEU_fgetc(fp)==EOF)
return(0);
UNIFCart.battery=1;
return(1);
}
static int LoadPRG(FCEUFILE *fp)
{
int z,t;
z=uchead.ID[3]-'0';
if(z<0 || z>15)
return(0);
FCEU_printf(" PRG ROM %d size: %d",z,(int) uchead.info);
if(malloced[z])
free(malloced[z]);
t=FixRomSize(uchead.info,2048);
if(!(malloced[z]=(uint8 *)FCEU_malloc(t)))
return(0);
mallocedsizes[z]=t;
memset(malloced[z]+uchead.info,0xFF,t-uchead.info);
if(FCEU_fread(malloced[z],1,uchead.info,fp)!=uchead.info)
{
FCEU_printf("Read Error!\n");
return(0);
}
else
FCEU_printf("\n");
SetupCartPRGMapping(z,malloced[z],t,0);
return(1);
}
static int SetBoardName(FCEUFILE *fp)
{
if(!(boardname=(uint8 *)FCEU_malloc(uchead.info+1)))
return(0);
FCEU_fread(boardname,1,uchead.info,fp);
boardname[uchead.info]=0;
FCEU_printf(" Board name: %s\n",boardname);
sboardname=boardname;
if(!memcmp(boardname,"NES-",4) || !memcmp(boardname,"UNL-",4) || !memcmp(boardname,"HVC-",4) || !memcmp(boardname,"BTL-",4) || !memcmp(boardname,"BMC-",4))
sboardname+=4;
return(1);
}
static int LoadCHR(FCEUFILE *fp)
{
int z,t;
z=uchead.ID[3]-'0';
if(z<0 || z>15)
return(0);
FCEU_printf(" CHR ROM %d size: %d",z,(int) uchead.info);
if(malloced[16+z])
free(malloced[16+z]);
t=FixRomSize(uchead.info,8192);
if(!(malloced[16+z]=(uint8 *)FCEU_malloc(t)))
return(0);
mallocedsizes[16+z]=t;
memset(malloced[16+z]+uchead.info,0xFF,t-uchead.info);
if(FCEU_fread(malloced[16+z],1,uchead.info,fp)!=uchead.info)
{
FCEU_printf("Read Error!\n");
return(0);
}
else
FCEU_printf("\n");
SetupCartCHRMapping(z,malloced[16+z],t,0);
return(1);
}
#define BMCFLAG_FORCE4 1
#define BMCFLAG_16KCHRR 2
#define BMCFLAG_32KCHRR 4
static BMAPPING bmap[] = {
/* Sachen Carts */
{ "TC-U01-1.5M", TCU01_Init,0},
{ "Sachen-8259A", S8259A_Init,0},
{ "Sachen-8259B", S8259B_Init,0},
{ "Sachen-8259C", S8259C_Init,0},
{ "Sachen-8259D", S8259D_Init,0},
{ "Sachen-74LS374N", S74LS374N_Init,0},
{ "Sachen-74LS374NA", S74LS374NA_Init,0}, //seems to be custom mapper
{ "SA-016-1M", SA0161M_Init,0},
{ "SA-72007", SA72007_Init,0},
{ "SA-72008", SA72008_Init,0},
{ "SA-0036", SA0036_Init,0},
{ "SA-0037", SA0037_Init,0},
{ "SA-NROM", TCA01_Init,0},
// /* AVE carts. */
// { "MB-91", MB91_Init,0}, // DeathBots
// { "NINA-06", NINA06_Init,0}, // F-15 City War
// { "NINA-03", NINA03_Init,0}, // Tiles of Fate
// { "NINA-001", NINA001_Init,0}, // Impossible Mission 2
{ "ANROM", ANROM_Init,0},
{ "HKROM", HKROM_Init,0},
{ "EWROM", EWROM_Init,0},
{ "EKROM", EKROM_Init,0},
{ "ELROM", ELROM_Init,0},
{ "ETROM", ETROM_Init,0},
{ "SAROM", SAROM_Init,0},
{ "SBROM", SBROM_Init,0},
{ "SCROM", SCROM_Init,0},
{ "SEROM", SEROM_Init,0},
{ "SGROM", SGROM_Init,0},
{ "SKROM", SKROM_Init,0},
{ "SLROM", SLROM_Init,0},
{ "SL1ROM", SL1ROM_Init,0},
{ "SNROM", SNROM_Init,0},
{ "SOROM", SOROM_Init,0},
{ "TGROM", TGROM_Init,0},
{ "TR1ROM", TFROM_Init,BMCFLAG_FORCE4},
{ "TEROM", TEROM_Init,0},
{ "TFROM", TFROM_Init,0},
{ "TLROM", TLROM_Init,0},
{ "TKROM", TKROM_Init,0},
{ "TSROM", TSROM_Init,0},
{ "TLSROM", TLSROM_Init,0},
{ "TKSROM", TKSROM_Init,0},
{ "TQROM", TQROM_Init,0},
{ "TVROM", TLROM_Init,BMCFLAG_FORCE4},
{ "CPROM", CPROM_Init,BMCFLAG_16KCHRR},
{ "CNROM", CNROM_Init,0},
{ "NROM", NROM_Init,0 }, //NROM256_Init,0 },
{ "NROM-128", NROM_Init,0 }, //NROM128_Init,0 },
{ "NROM-256", NROM_Init,0 }, //NROM256_Init,0 },
{ "RROM", NROM_Init,0 }, //NROM128_Init,0 },
{ "RROM-128", NROM_Init,0 }, //NROM128_Init,0 },
{ "MHROM", MHROM_Init,0},
{ "UNROM", UNROM_Init,0},
{ "SUNSOFT_UNROM", SUNSOFT_UNROM_Init,0},
{ "MARIO1-MALEE2", MALEE_Init,0},
{ "CC-21", UNLCC21_Init,0},
{ "H2288", UNLH2288_Init,0},
{ "KOF97", UNLKOF97_Init,0},
{ "SL1632", UNLSL1632_Init,0},
{ "SHERO", UNLSHeroes_Init,0},
{ "8237", UNL8237_Init,0},
{ "8157", UNL8157_Init,0},
{ "T-262", BMCT262_Init,0},
{ "FK23C", BMCFK23C_Init,0},
{ "A65AS", BMCA65AS_Init,0},
{ "C-N22M", UNLCN22M_Init,0},
{ "EDU2000", UNLEDU2000_Init,0},
{ "603-5052", UNL6035052_Init,0},
{ "Supervision16in1", Supervision16_Init,0},
{ "NovelDiamond9999999in1", Novel_Init,0},
{ "Super24in1SC03", Super24_Init,0},
{ "42in1ResetSwitch", BMC42in1r_Init, 0},
{ "64in1NoRepeat", BMC64in1nr_Init, 0},
{ "13in1JY110", BMC13in1JY110_Init, 0},
{ "70in1", BMC70in1_Init, 0},
{ "70in1B", BMC70in1B_Init, 0},
{ "D1038", BMCD1038_Init, 0},
{ "GK-192", BMCGK192_Init, 0},
{ "SuperHIK8in1", Mapper45_Init,0},
{ "22211", UNL22211_Init,0},
{ "DREAMTECH01", DreamTech01_Init,0},
{ "KONAMI-QTAI", Mapper190_Init,0},
{ "TEK90", Mapper90_Init,0},
{0,0,0}
};
static BFMAPPING bfunc[] = {
{ "CTRL", CTRL },
{ "TVCI", TVCI },
{ "BATR", EnableBattery },
{ "MIRR", DoMirroring },
{ "PRG", LoadPRG },
{ "CHR", LoadCHR },
{ "NAME", NAME },
{ "MAPR", SetBoardName },
{ "DINF", DINF },
{ 0, 0 }
};
int LoadUNIFChunks(FCEUFILE *fp)
{
int x;
int t;
for(;;)
{
t=FCEU_fread(&uchead,1,4,fp);
if(t<4)
{
if(t>0)
return 0;
return 1;
}
if(!(FCEU_read32le(&uchead.info,fp)))
return 0;
t=0;
x=0;
//printf("Funky: %s\n",((uint8 *)&uchead));
while(bfunc[x].name)
{
if(!memcmp(&uchead,bfunc[x].name,strlen(bfunc[x].name)))
{
if(!bfunc[x].init(fp))
return 0;
t=1;
break;
}
x++;
}
if(!t)
if(FCEU_fseek(fp,uchead.info,SEEK_CUR))
return(0);
}
}
static int InitializeBoard(void)
{
int x=0;
if(!sboardname) return(0);
while(bmap[x].name)
{
if(!strcmp((char *)sboardname,(char *)bmap[x].name))
{
if(!malloced[16])
{
if(bmap[x].flags & BMCFLAG_16KCHRR)
CHRRAMSize = 16384;
else
CHRRAMSize = 8192;
if((UNIFchrrama=(uint8 *)FCEU_malloc(CHRRAMSize)))
{
SetupCartCHRMapping(0,UNIFchrrama,CHRRAMSize,1);
AddExState(UNIFchrrama, CHRRAMSize, 0,"CHRR");
}
else
return(-1);
}
if(bmap[x].flags&BMCFLAG_FORCE4)
mirrortodo=4;
MooMirroring();
bmap[x].init(&UNIFCart);
return(1);
}
x++;
}
FCEU_PrintError("Board type not supported.");
return(0);
}
static void UNIFGI(int h)
{
switch(h)
{
case GI_RESETM2:
if(UNIFCart.Reset)
UNIFCart.Reset();
break;
case GI_POWER:
if(UNIFCart.Power)
UNIFCart.Power();
if(UNIFchrrama) memset(UNIFchrrama,0,8192);
break;
case GI_CLOSE:
FCEU_SaveGameSave(&UNIFCart);
if(UNIFCart.Close)
UNIFCart.Close();
FreeUNIF();
break;
}
}
int UNIFLoad(const char *name, FCEUFILE *fp)
{
FCEU_fseek(fp,0,SEEK_SET);
FCEU_fread(&unhead,1,4,fp);
if(memcmp(&unhead,"UNIF",4))
return 0;
ResetCartMapping();
ResetExState(0,0);
ResetUNIF();
if(!FCEU_read32le(&unhead.info,fp))
goto aborto;
if(FCEU_fseek(fp,0x20,SEEK_SET)<0)
goto aborto;
if(!LoadUNIFChunks(fp))
goto aborto;
{
int x;
struct md5_context md5;
md5_starts(&md5);
for(x=0;x<32;x++)
if(malloced[x])
{
md5_update(&md5,malloced[x],mallocedsizes[x]);
}
md5_finish(&md5,UNIFCart.MD5);
FCEU_printf(" ROM MD5: 0x");
for(x=0;x<16;x++)
FCEU_printf("%02x",UNIFCart.MD5[x]);
FCEU_printf("\n");
memcpy(FCEUGameInfo->MD5,UNIFCart.MD5,sizeof(UNIFCart.MD5));
}
if(!InitializeBoard())
goto aborto;
FCEU_LoadGameSave(&UNIFCart);
GameInterface=UNIFGI;
return 1;
aborto:
FreeUNIF();
ResetUNIF();
return 0;
}
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