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snes9xgx/source/snes9x/memmap.cpp
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/**********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com)
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
Kris Bleakley,
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001-2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight,
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound DSP emulator code is derived from SNEeSe and OpenSPC:
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2007 zones
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
**********************************************************************************/
#include <numeric>
#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include <ctype.h>
#include <assert.h>
#ifdef __linux
#include <unistd.h>
#endif
#ifdef __W32_HEAP
#include <malloc.h>
#endif
#include "memmap.h"
#include "display.h"
#include "cpuexec.h"
#include "ppu.h"
#include "apu.h"
#include "dsp1.h"
#include "sa1.h"
#include "sdd1.h"
#include "spc7110.h"
#include "seta.h"
#include "srtc.h"
#include "bsx.h"
#ifndef NGC
#include "reader.h"
#include "cheats.h"
#else
#include <gccore.h>
extern unsigned long SNESROMSize;
#endif
#include "controls.h"
//#include "movie.h"
#ifndef ZSNES_FX
#include "fxemu.h"
#endif
#ifdef UNZIP_SUPPORT
#include "unzip.h"
#endif
#ifdef JMA_SUPPORT
#include "jma/s9x-jma.h"
#endif
#ifdef __WIN32__
#ifndef _XBOX
#include "win32/wsnes9x.h" // FIXME: shouldn't be necessary
#endif
#endif
#ifdef __WIN32__
#define snprintf _snprintf // needs ANSI compliant name
#endif
#ifndef SET_UI_COLOR
#define SET_UI_COLOR(r,g,b) ;
#endif
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef ZSNES_FX
extern struct FxInit_s SuperFX;
#else
EXTERN_C uint8 *SFXPlotTable;
#endif
static bool8 stopMovie = TRUE;
static char LastRomFilename[_MAX_PATH + 1] = "";
static const uint32 crc32Table[256] =
{
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
static void S9xDeinterleaveType1 (int, uint8 *);
static void S9xDeinterleaveType2 (int, uint8 *);
static void S9xDeinterleaveGD24 (int, uint8 *);
static bool8 allASCII (uint8 *, int);
static bool8 is_SufamiTurbo_BIOS (uint8 *, uint32);
static bool8 is_SufamiTurbo_Cart (uint8 *, uint32);
static bool8 is_SameGame_BIOS (uint8 *, uint32);
static bool8 is_SameGame_Add_On (uint8 *, uint32);
static uint32 caCRC32 (uint8 *, uint32, uint32 crc32 = 0xffffffff);
#ifndef NGC
static long ReadInt (Reader *, unsigned);
static bool8 ReadIPSPatch (Reader *, long, int32 &);
static int unzFindExtension (unzFile &, const char *, bool restart = TRUE, bool print = TRUE);
#endif
// deinterleave
static void S9xDeinterleaveType1 (int size, uint8 *base)
{
if (Settings.DisplayColor == 0xffff)
{
Settings.DisplayColor = BUILD_PIXEL(0, 31, 0);
SET_UI_COLOR(0, 255, 0);
}
uint8 blocks[256];
int nblocks = size >> 16;
for (int i = 0; i < nblocks; i++)
{
blocks[i * 2] = i + nblocks;
blocks[i * 2 + 1] = i;
}
uint8 *tmp = (uint8 *) malloc(0x8000);
if (tmp)
{
for (int i = 0; i < nblocks * 2; i++)
{
for (int j = i; j < nblocks * 2; j++)
{
if (blocks[j] == i)
{
memmove(tmp, &base[blocks[j] * 0x8000], 0x8000);
memmove(&base[blocks[j] * 0x8000], &base[blocks[i] * 0x8000], 0x8000);
memmove(&base[blocks[i] * 0x8000], tmp, 0x8000);
uint8 b = blocks[j];
blocks[j] = blocks[i];
blocks[i] = b;
break;
}
}
}
free(tmp);
}
}
static void S9xDeinterleaveType2 (int size, uint8 *base)
{
// for odd Super FX images
if (Settings.DisplayColor == 0xffff || Settings.DisplayColor == BUILD_PIXEL(0, 31, 0))
{
Settings.DisplayColor = BUILD_PIXEL(31, 14, 6);
SET_UI_COLOR(255, 119, 25);
}
uint8 blocks[256];
int nblocks = size >> 16;
int step = 64;
while (nblocks <= step)
step >>= 1;
nblocks = step;
for (int i = 0; i < nblocks * 2; i++)
blocks[i] = (i & ~0xf) | ((i & 3) << 2) | ((i & 12) >> 2);
uint8 *tmp = (uint8 *) malloc(0x10000);
if (tmp)
{
for (int i = 0; i < nblocks * 2; i++)
{
for (int j = i; j < nblocks * 2; j++)
{
if (blocks[j] == i)
{
memmove(tmp, &base[blocks[j] * 0x10000], 0x10000);
memmove(&base[blocks[j] * 0x10000], &base[blocks[i] * 0x10000], 0x10000);
memmove(&base[blocks[i] * 0x10000], tmp, 0x10000);
uint8 b = blocks[j];
blocks[j] = blocks[i];
blocks[i] = b;
break;
}
}
}
free(tmp);
}
}
static void S9xDeinterleaveGD24 (int size, uint8 *base)
{
// for 24Mb images dumped with Game Doctor
if (size != 0x300000)
return;
if (Settings.DisplayColor == 0xffff)
{
Settings.DisplayColor = BUILD_PIXEL(0, 31, 31);
SET_UI_COLOR(0, 255, 255);
}
uint8 *tmp = (uint8 *) malloc(0x80000);
if (tmp)
{
memmove(tmp, &base[0x180000], 0x80000);
memmove(&base[0x180000], &base[0x200000], 0x80000);
memmove(&base[0x200000], &base[0x280000], 0x80000);
memmove(&base[0x280000], tmp, 0x80000);
free(tmp);
S9xDeinterleaveType1(size, base);
}
}
// allocation and deallocation
bool8 CMemory::Init (void)
{
RAM = (uint8 *) malloc(0x20000);
SRAM = (uint8 *) malloc(0x20000);
VRAM = (uint8 *) malloc(0x10000);
ROM = (uint8 *) malloc(MAX_ROM_SIZE + 0x200 + 0x8000);
IPPU.TileCache[TILE_2BIT] = (uint8 *) malloc(MAX_2BIT_TILES * 64);
IPPU.TileCache[TILE_4BIT] = (uint8 *) malloc(MAX_4BIT_TILES * 64);
IPPU.TileCache[TILE_8BIT] = (uint8 *) malloc(MAX_8BIT_TILES * 64);
IPPU.TileCache[TILE_2BIT_EVEN] = (uint8 *) malloc(MAX_2BIT_TILES * 64);
IPPU.TileCache[TILE_2BIT_ODD] = (uint8 *) malloc(MAX_2BIT_TILES * 64);
IPPU.TileCache[TILE_4BIT_EVEN] = (uint8 *) malloc(MAX_4BIT_TILES * 64);
IPPU.TileCache[TILE_4BIT_ODD] = (uint8 *) malloc(MAX_4BIT_TILES * 64);
IPPU.TileCached[TILE_2BIT] = (uint8 *) malloc(MAX_2BIT_TILES);
IPPU.TileCached[TILE_4BIT] = (uint8 *) malloc(MAX_4BIT_TILES);
IPPU.TileCached[TILE_8BIT] = (uint8 *) malloc(MAX_8BIT_TILES);
IPPU.TileCached[TILE_2BIT_EVEN] = (uint8 *) malloc(MAX_2BIT_TILES);
IPPU.TileCached[TILE_2BIT_ODD] = (uint8 *) malloc(MAX_2BIT_TILES);
IPPU.TileCached[TILE_4BIT_EVEN] = (uint8 *) malloc(MAX_4BIT_TILES);
IPPU.TileCached[TILE_4BIT_ODD] = (uint8 *) malloc(MAX_4BIT_TILES);
if (!RAM || !SRAM || !VRAM || !ROM ||
!IPPU.TileCache[TILE_2BIT] ||
!IPPU.TileCache[TILE_4BIT] ||
!IPPU.TileCache[TILE_8BIT] ||
!IPPU.TileCache[TILE_2BIT_EVEN] ||
!IPPU.TileCache[TILE_2BIT_ODD] ||
!IPPU.TileCache[TILE_4BIT_EVEN] ||
!IPPU.TileCache[TILE_4BIT_ODD] ||
!IPPU.TileCached[TILE_2BIT] ||
!IPPU.TileCached[TILE_4BIT] ||
!IPPU.TileCached[TILE_8BIT] ||
!IPPU.TileCached[TILE_2BIT_EVEN] ||
!IPPU.TileCached[TILE_2BIT_ODD] ||
!IPPU.TileCached[TILE_4BIT_EVEN] ||
!IPPU.TileCached[TILE_4BIT_ODD])
{
Deinit();
return (FALSE);
}
ZeroMemory(RAM, 0x20000);
ZeroMemory(SRAM, 0x20000);
ZeroMemory(VRAM, 0x10000);
ZeroMemory(ROM, MAX_ROM_SIZE + 0x200 + 0x8000);
ZeroMemory(IPPU.TileCache[TILE_2BIT], MAX_2BIT_TILES * 64);
ZeroMemory(IPPU.TileCache[TILE_4BIT], MAX_4BIT_TILES * 64);
ZeroMemory(IPPU.TileCache[TILE_8BIT], MAX_8BIT_TILES * 64);
ZeroMemory(IPPU.TileCache[TILE_2BIT_EVEN], MAX_2BIT_TILES * 64);
ZeroMemory(IPPU.TileCache[TILE_2BIT_ODD], MAX_2BIT_TILES * 64);
ZeroMemory(IPPU.TileCache[TILE_4BIT_EVEN], MAX_4BIT_TILES * 64);
ZeroMemory(IPPU.TileCache[TILE_4BIT_ODD], MAX_4BIT_TILES * 64);
ZeroMemory(IPPU.TileCached[TILE_2BIT], MAX_2BIT_TILES);
ZeroMemory(IPPU.TileCached[TILE_4BIT], MAX_4BIT_TILES);
ZeroMemory(IPPU.TileCached[TILE_8BIT], MAX_8BIT_TILES);
ZeroMemory(IPPU.TileCached[TILE_2BIT_EVEN], MAX_2BIT_TILES);
ZeroMemory(IPPU.TileCached[TILE_2BIT_ODD], MAX_2BIT_TILES);
ZeroMemory(IPPU.TileCached[TILE_4BIT_EVEN], MAX_4BIT_TILES);
ZeroMemory(IPPU.TileCached[TILE_4BIT_ODD], MAX_4BIT_TILES);
// FillRAM uses first 32K of ROM image area, otherwise space just
// wasted. Might be read by the SuperFX code.
FillRAM = ROM;
// Add 0x8000 to ROM image pointer to stop SuperFX code accessing
// unallocated memory (can cause crash on some ports).
ROM += 0x8000;
C4RAM = ROM + 0x400000 + 8192 * 8; // C4
BIOSROM = ROM + 0x300000; // BS
BSRAM = ROM + 0x400000; // BS
#if defined(ZSNES_FX) || defined(ZSNES_C4)
::ROM = ROM;
::SRAM = SRAM;
::RegRAM = FillRAM;
#endif
#ifdef ZSNES_FX
SFXPlotTable = ROM + 0x400000;
#else
SuperFX.pvRegisters = FillRAM + 0x3000;
SuperFX.nRamBanks = 2; // Most only use 1. 1=64KB=512Mb, 2=128KB=1024Mb
SuperFX.pvRam = SRAM;
SuperFX.nRomBanks = (2 * 1024 * 1024) / (32 * 1024);
SuperFX.pvRom = (uint8 *) ROM;
#endif
SDD1Data = NULL;
SDD1Index = NULL;
PostRomInitFunc = NULL;
return (TRUE);
}
void CMemory::Deinit (void)
{
// XXX: Please remove port specific codes
#ifdef __W32_HEAP
if (_HEAPOK! = _heapchk())
MessageBox(GUI.hWnd, "CMemory::Deinit", "Heap Corrupt", MB_OK);
#endif
if (RAM)
{
free(RAM);
RAM = NULL;
}
if (SRAM)
{
free(SRAM);
SRAM = NULL;
}
if (VRAM)
{
free(VRAM);
VRAM = NULL;
}
if (ROM)
{
ROM -= 0x8000;
free(ROM);
ROM = NULL;
}
for (int t = 0; t < 7; t++)
{
if (IPPU.TileCache[t])
{
free(IPPU.TileCache[t]);
IPPU.TileCache[t] = NULL;
}
if (IPPU.TileCached[t])
{
free(IPPU.TileCached[t]);
IPPU.TileCached[t] = NULL;
}
}
FreeSDD1Data();
Safe(NULL);
SafeANK(NULL);
}
void CMemory::FreeSDD1Data (void)
{
if (SDD1Index)
{
free(SDD1Index);
SDD1Index = NULL;
}
if (SDD1Data)
{
free(SDD1Data);
SDD1Data = NULL;
}
}
// file management and ROM detection
static bool8 allASCII (uint8 *b, int size)
{
for (int i = 0; i < size; i++)
{
if (b[i] < 32 || b[i] > 126)
return (FALSE);
}
return (TRUE);
}
static bool8 is_SufamiTurbo_BIOS (uint8 *data, uint32 size)
{
if (size == 0x40000 &&
strncmp((char *) data, "BANDAI SFC-ADX", 14) == 0 && strncmp((char * ) (data + 0x10), "SFC-ADX BACKUP", 14) == 0)
return (TRUE);
else
return (FALSE);
}
static bool8 is_SufamiTurbo_Cart (uint8 *data, uint32 size)
{
if (size >= 0x80000 && size <= 0x100000 &&
strncmp((char *) data, "BANDAI SFC-ADX", 14) == 0 && strncmp((char * ) (data + 0x10), "SFC-ADX BACKUP", 14) != 0)
return (TRUE);
else
return (FALSE);
}
static bool8 is_SameGame_BIOS (uint8 *data, uint32 size)
{
if (size == 0x100000 && strncmp((char *) (data + 0xffc0), "Same Game Tsume Game", 20) == 0)
return (TRUE);
else
return (FALSE);
}
static bool8 is_SameGame_Add_On (uint8 *data, uint32 size)
{
if (size == 0x80000)
return (TRUE);
else
return (FALSE);
}
int CMemory::ScoreHiROM (bool8 skip_header, int32 romoff)
{
uint8 *buf = ROM + 0xff00 + romoff + (skip_header ? 0x200 : 0);
int score = 0;
if (buf[0xd5] & 0x1)
score += 2;
// Mode23 is SA-1
if (buf[0xd5] == 0x23)
score -= 2;
if (buf[0xd4] == 0x20)
score += 2;
if ((buf[0xdc] + (buf[0xdd] << 8)) + (buf[0xde] + (buf[0xdf] << 8)) == 0xffff)
{
score += 2;
if (0 != (buf[0xde] + (buf[0xdf] << 8)))
score++;
}
if (buf[0xda] == 0x33)
score += 2;
if ((buf[0xd5] & 0xf) < 4)
score += 2;
if (!(buf[0xfd] & 0x80))
score -= 6;
if ((buf[0xfc] + (buf[0xfd] << 8)) > 0xffb0)
score -= 2; // reduced after looking at a scan by Cowering
if (CalculatedSize > 1024 * 1024 * 3)
score += 4;
if ((1 << (buf[0xd7] - 7)) > 48)
score -= 1;
if (!allASCII(&buf[0xb0], 6))
score -= 1;
if (!allASCII(&buf[0xc0], ROM_NAME_LEN - 1))
score -= 1;
return (score);
}
int CMemory::ScoreLoROM (bool8 skip_header, int32 romoff)
{
uint8 *buf = ROM + 0x7f00 + romoff + (skip_header ? 0x200 : 0);
int score = 0;
if (!(buf[0xd5] & 0x1))
score += 3;
// Mode23 is SA-1
if (buf[0xd5] == 0x23)
score += 2;
if ((buf[0xdc] + (buf[0xdd] << 8)) + (buf[0xde] + (buf[0xdf] << 8)) == 0xffff)
{
score += 2;
if (0 != (buf[0xde] + (buf[0xdf] << 8)))
score++;
}
if (buf[0xda] == 0x33)
score += 2;
if ((buf[0xd5] & 0xf) < 4)
score += 2;
if (!(buf[0xfd] & 0x80))
score -= 6;
if ((buf[0xfc] + (buf[0xfd] << 8)) > 0xffb0)
score -= 2; // reduced per Cowering suggestion
if (CalculatedSize <= 1024 * 1024 * 16)
score += 2;
if ((1 << (buf[0xd7] - 7)) > 48)
score -= 1;
if (!allASCII(&buf[0xb0], 6))
score -= 1;
if (!allASCII(&buf[0xc0], ROM_NAME_LEN - 1))
score -= 1;
return (score);
}
uint32 CMemory::HeaderRemove (uint32 size, int32 &headerCount, uint8 *buf)
{
uint32 calc_size = (size / 0x2000) * 0x2000;
if ((size - calc_size == 512 && !Settings.ForceNoHeader) || Settings.ForceHeader)
{
uint8 *NSRTHead = buf + 0x1D0; // NSRT Header Location
// detect NSRT header
if (!strncmp("NSRT", (char *) &NSRTHead[24], 4))
{
if (NSRTHead[28] == 22)
{
if (((std::accumulate(NSRTHead, NSRTHead + sizeof(NSRTHeader), 0) & 0xFF) == NSRTHead[30]) &&
(NSRTHead[30] + NSRTHead[31] == 255) && ((NSRTHead[0] & 0x0F) <= 13) &&
(((NSRTHead[0] & 0xF0) >> 4) <= 3) && ((NSRTHead[0] & 0xF0) >> 4))
memcpy(NSRTHeader, NSRTHead, sizeof(NSRTHeader));
}
}
memmove(buf, buf + 512, calc_size);
headerCount++;
size -= 512;
}
return (size);
}
bool8 CMemory::LoadROM (const char *filename)
{
int retry_count = 0;
if (!filename || !*filename)
return (FALSE);
#ifndef NGC
ZeroMemory(ROM, MAX_ROM_SIZE);
ZeroMemory(&Multi, sizeof(Multi));
#endif /* you don't want to do that: ROM already loaded */
again:
Settings.DisplayColor = 0xffff;
SET_UI_COLOR(255, 255, 255);
CalculatedSize = 0;
ExtendedFormat = NOPE;
int32 totalFileSize;
totalFileSize = FileLoader(ROM, filename, MAX_ROM_SIZE);
if (!totalFileSize)
return (FALSE);
#ifndef NGC
if (!Settings.NoPatch)
CheckForIPSPatch(filename, HeaderCount != 0, totalFileSize);
#endif
int hi_score, lo_score;
hi_score = ScoreHiROM(FALSE);
lo_score = ScoreLoROM(FALSE);
if (HeaderCount == 0 && !Settings.ForceNoHeader &&
((hi_score > lo_score && ScoreHiROM(TRUE) > hi_score) ||
(hi_score <= lo_score && ScoreLoROM(TRUE) > lo_score)))
{
memmove(ROM, ROM + 512, totalFileSize - 512);
totalFileSize -= 512;
S9xMessage(S9X_INFO, S9X_HEADER_WARNING, "Try 'force no-header' option if the game doesn't work");
// modifying ROM, so we need to rescore
hi_score = ScoreHiROM(FALSE);
lo_score = ScoreLoROM(FALSE);
}
CalculatedSize = (totalFileSize / 0x2000) * 0x2000;
if (CalculatedSize > 0x400000 &&
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x4332 && // exclude S-DD1
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x4532 &&
(ROM[0xffd5] + (ROM[0xffd6] << 8)) != 0xF93a && // exclude SPC7110
(ROM[0xffd5] + (ROM[0xffd6] << 8)) != 0xF53a)
ExtendedFormat = YEAH;
// if both vectors are invalid, it's type 1 LoROM
if (ExtendedFormat == NOPE &&
((ROM[0x7ffc] + (ROM[0x7ffd] << 8)) < 0x8000) &&
((ROM[0xfffc] + (ROM[0xfffd] << 8)) < 0x8000))
{
if (Settings.DisplayColor == 0xffff)
{
Settings.DisplayColor = BUILD_PIXEL(0, 31, 0);
SET_UI_COLOR(0, 255, 0);
}
if (!Settings.ForceInterleaved)
S9xDeinterleaveType1(totalFileSize, ROM);
}
// CalculatedSize is now set, so rescore
hi_score = ScoreHiROM(FALSE);
lo_score = ScoreLoROM(FALSE);
uint8 *RomHeader = ROM;
if (ExtendedFormat != NOPE)
{
int swappedhirom, swappedlorom;
swappedhirom = ScoreHiROM(FALSE, 0x400000);
swappedlorom = ScoreLoROM(FALSE, 0x400000);
// set swapped here
if (max(swappedlorom, swappedhirom) >= max(lo_score, hi_score))
{
ExtendedFormat = BIGFIRST;
hi_score = swappedhirom;
lo_score = swappedlorom;
RomHeader += 0x400000;
}
else
ExtendedFormat = SMALLFIRST;
}
bool8 interleaved, tales = FALSE;
interleaved = Settings.ForceInterleaved || Settings.ForceInterleaved2;
if (Settings.ForceLoROM || (!Settings.ForceHiROM && lo_score >= hi_score))
{
LoROM = TRUE;
HiROM = FALSE;
// ignore map type byte if not 0x2x or 0x3x
if ((RomHeader[0x7fd5] & 0xf0) == 0x20 || (RomHeader[0x7fd5] & 0xf0) == 0x30)
{
switch (RomHeader[0x7fd5] & 0xf)
{
case 1:
interleaved = TRUE;
break;
case 5:
interleaved = TRUE;
tales = TRUE;
break;
}
}
}
else
{
LoROM = FALSE;
HiROM = TRUE;
if ((RomHeader[0xffd5] & 0xf0) == 0x20 || (RomHeader[0xffd5] & 0xf0) == 0x30)
{
switch (RomHeader[0xffd5] & 0xf)
{
case 0:
case 3:
interleaved = TRUE;
break;
}
}
}
// this two games fail to be detected
if (!Settings.ForceHiROM && !Settings.ForceLoROM)
{
if (strncmp((char *) &ROM[0x7fc0], "YUYU NO QUIZ DE GO!GO!", 22) == 0 ||
(strncmp((char *) &ROM[0xffc0], "BATMAN--REVENGE JOKER", 21) == 0))
{
LoROM = TRUE;
HiROM = FALSE;
interleaved = FALSE;
tales = FALSE;
}
}
if (!Settings.ForceNotInterleaved && interleaved)
{
S9xMessage(S9X_INFO, S9X_ROM_INTERLEAVED_INFO, "ROM image is in interleaved format - converting...");
if (tales)
{
if (ExtendedFormat == BIGFIRST)
{
S9xDeinterleaveType1(0x400000, ROM);
S9xDeinterleaveType1(CalculatedSize - 0x400000, ROM + 0x400000);
}
else
{
S9xDeinterleaveType1(CalculatedSize - 0x400000, ROM);
S9xDeinterleaveType1(0x400000, ROM + CalculatedSize - 0x400000);
}
LoROM = FALSE;
HiROM = TRUE;
}
else
if (Settings.ForceInterleaveGD24 && CalculatedSize == 0x300000)
{
bool8 t = LoROM;
LoROM = HiROM;
HiROM = t;
S9xDeinterleaveGD24(CalculatedSize, ROM);
}
else
if (Settings.ForceInterleaved2)
S9xDeinterleaveType2(CalculatedSize, ROM);
else
{
bool8 t = LoROM;
LoROM = HiROM;
HiROM = t;
S9xDeinterleaveType1(CalculatedSize, ROM);
}
hi_score = ScoreHiROM(FALSE);
lo_score = ScoreLoROM(FALSE);
if ((HiROM && (lo_score >= hi_score || hi_score < 0)) ||
(LoROM && (hi_score > lo_score || lo_score < 0)))
{
if (retry_count == 0)
{
S9xMessage(S9X_INFO, S9X_ROM_CONFUSING_FORMAT_INFO, "ROM lied about its type! Trying again.");
Settings.ForceNotInterleaved = TRUE;
Settings.ForceInterleaved = FALSE;
retry_count++;
goto again;
}
}
}
if (ExtendedFormat == SMALLFIRST)
tales = TRUE;
if (tales)
{
uint8 *tmp = (uint8 *) malloc(CalculatedSize - 0x400000);
if (tmp)
{
S9xMessage(S9X_INFO, S9X_ROM_INTERLEAVED_INFO, "Fixing swapped ExHiROM...");
memmove(tmp, ROM, CalculatedSize - 0x400000);
memmove(ROM, ROM + CalculatedSize - 0x400000, 0x400000);
memmove(ROM + 0x400000, tmp, CalculatedSize - 0x400000);
free(tmp);
}
}
if (strncmp(LastRomFilename, filename, _MAX_PATH))
{
strncpy(LastRomFilename, filename, _MAX_PATH);
LastRomFilename[_MAX_PATH] = 0;
}
FreeSDD1Data();
if (CleanUp7110)
(*CleanUp7110)();
ZeroMemory(&SNESGameFixes, sizeof(SNESGameFixes));
SNESGameFixes.SRAMInitialValue = 0x60;
#ifndef NGC
S9xLoadCheatFile(S9xGetFilename(".cht", PATCH_DIR));
#endif
InitROM();
#ifndef NGC
S9xInitCheatData();
S9xApplyCheats();
#endif
S9xReset();
return (TRUE);
}
uint32 CMemory::FileLoader (uint8 *buffer, const char *filename, int32 maxsize)
{
// <- ROM size without header
// ** Memory.HeaderCount
// ** Memory.ROMFilename
int32 totalSize = 0;
#ifndef NGC
char fname[_MAX_PATH + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], name[_MAX_FNAME + 1], exts[_MAX_EXT + 1];
char *ext;
#if defined(__WIN32__) || defined(__MACOSX__)
ext = &exts[1];
#else
ext = &exts[0];
#endif
#endif
memset(NSRTHeader, 0, sizeof(NSRTHeader));
HeaderCount = 0;
#ifndef NGC
_splitpath(filename, drive, dir, name, exts);
_makepath(fname, drive, dir, name, exts);
int nFormat = FILE_DEFAULT;
if (strcasecmp(ext, "zip") == 0)
nFormat = FILE_ZIP;
else
if (strcasecmp(ext, "jma") == 0)
nFormat = FILE_JMA;
switch (nFormat)
{
case FILE_ZIP:
{
#ifdef UNZIP_SUPPORT
if (!LoadZip(fname, &totalSize, &HeaderCount, buffer))
{
S9xMessage(S9X_ERROR, S9X_ROM_INFO, "Invalid Zip archive.");
return (0);
}
strcpy(ROMFilename, fname);
#else
S9xMessage(S9X_ERROR, S9X_ROM_INFO, "This binary was not created with Zip support.");
return (0);
#endif
break;
}
case FILE_JMA:
{
#ifdef JMA_SUPPORT
size_t size = load_jma_file(fname, buffer);
if (!size)
{
S9xMessage(S9X_ERROR, S9X_ROM_INFO, "Invalid JMA archive.");
return (0);
}
totalSize = HeaderRemove(size, HeaderCount, buffer);
strcpy(ROMFilename, fname);
#else
S9xMessage(S9X_ERROR, S9X_ROM_INFO, "This binary was not created with JMA support.");
return (0);
#endif
break;
}
case FILE_DEFAULT:
default:
{
STREAM fp = OPEN_STREAM(fname, "rb");
if (!fp)
return (0);
strcpy(ROMFilename, fname);
int len = 0;
uint32 size = 0;
bool8 more = FALSE;
uint8 *ptr = buffer;
do
{
size = READ_STREAM(ptr, maxsize + 0x200 - (ptr - buffer), fp);
CLOSE_STREAM(fp);
size = HeaderRemove(size, HeaderCount, ptr);
totalSize += size;
ptr += size;
// check for multi file roms
if (ptr - buffer < maxsize + 0x200 &&
(isdigit(ext[0]) && ext[1] == 0 && ext[0] < '9'))
{
more = TRUE;
ext[0]++;
_makepath(fname, drive, dir, name, exts);
}
else
if (ptr - buffer < maxsize + 0x200 &&
(((len = strlen(name)) == 7 || len == 8) &&
strncasecmp(name, "sf", 2) == 0 &&
isdigit(name[2]) && isdigit(name[3]) && isdigit(name[4]) && isdigit(name[5]) &&
isalpha(name[len - 1])))
{
more = TRUE;
name[len - 1]++;
_makepath(fname, drive, dir, name, exts);
}
else
more = FALSE;
} while (more && (fp = OPEN_STREAM(fname, "rb")) != NULL);
break;
}
#else
/*** Nintendo Wii/Gamecube ROM File Loader
By now we've already loaded the ROM into main memory
This is simply a modified version of FILE_DEFAULT
***/
HeaderCount = 0;
uint8 *ptr = buffer;
uint32 size = SNESROMSize;
size = HeaderRemove(size, HeaderCount, ptr);
ptr += size;
totalSize += size;
#endif
if (HeaderCount == 0)
S9xMessage(S9X_INFO, S9X_HEADERS_INFO, "No ROM file header found.");
else
if (HeaderCount == 1)
S9xMessage(S9X_INFO, S9X_HEADERS_INFO, "Found ROM file header (and ignored it).");
else
S9xMessage(S9X_INFO, S9X_HEADERS_INFO, "Found multiple ROM file headers (and ignored them).");
return ((uint32) totalSize);
}
bool8 CMemory::LoadMultiCart (const char *cartA, const char *cartB)
{
bool8 r = TRUE;
ZeroMemory(ROM, MAX_ROM_SIZE);
ZeroMemory(&Multi, sizeof(Multi));
Settings.DisplayColor = 0xffff;
SET_UI_COLOR(255, 255, 255);
CalculatedSize = 0;
ExtendedFormat = NOPE;
if (cartA && cartA[0])
Multi.cartSizeA = FileLoader(ROM, cartA, MAX_ROM_SIZE);
if (Multi.cartSizeA == 0)
{
if (cartB && cartB[0])
Multi.cartSizeB = FileLoader(ROM, cartB, MAX_ROM_SIZE);
}
if (Multi.cartSizeA)
{
if (is_SufamiTurbo_Cart(ROM, Multi.cartSizeA))
Multi.cartType = 4;
else
if (is_SameGame_BIOS(ROM, Multi.cartSizeA))
Multi.cartType = 3;
}
else
if (Multi.cartSizeB)
{
if (is_SufamiTurbo_Cart(ROM, Multi.cartSizeB))
Multi.cartType = 4;
}
else
Multi.cartType = 4; // assuming BIOS only
switch (Multi.cartType)
{
case 4:
r = LoadSufamiTurbo(cartA, cartB);
break;
case 3:
r = LoadSameGame(cartA, cartB);
break;
default:
r = FALSE;
}
if (!r)
{
ZeroMemory(&Multi, sizeof(Multi));
return (FALSE);
}
FreeSDD1Data();
if (CleanUp7110)
(*CleanUp7110)();
ZeroMemory(&SNESGameFixes, sizeof(SNESGameFixes));
SNESGameFixes.SRAMInitialValue = 0x60;
#ifndef NGC
S9xLoadCheatFile(S9xGetFilename(".cht", PATCH_DIR));
#endif
InitROM();
#ifndef NGC
S9xInitCheatData();
S9xApplyCheats();
#endif
S9xReset();
return (TRUE);
}
bool8 CMemory::LoadSufamiTurbo (const char *cartA, const char *cartB)
{
Multi.cartOffsetA = 0x100000;
Multi.cartOffsetB = 0x200000;
Multi.sramA = SRAM;
Multi.sramB = SRAM + 0x10000;
if (Multi.cartSizeA)
{
Multi.sramSizeA = 4; // ROM[0x37]?
Multi.sramMaskA = Multi.sramSizeA ? ((1 << (Multi.sramSizeA + 3)) * 128 - 1) : 0;
#ifndef NGC
if (!Settings.NoPatch)
CheckForIPSPatch(cartA, HeaderCount != 0, Multi.cartSizeA);
#endif
strcpy(Multi.fileNameA, cartA);
memcpy(ROM + Multi.cartOffsetA, ROM, Multi.cartSizeA);
}
if (Multi.cartSizeA && !Multi.cartSizeB)
{
if (cartB && cartB[0])
Multi.cartSizeB = FileLoader(ROM, cartB, MAX_ROM_SIZE);
if (Multi.cartSizeB)
{
if (!is_SufamiTurbo_Cart(ROM, Multi.cartSizeB))
Multi.cartSizeB = 0;
}
}
if (Multi.cartSizeB)
{
Multi.sramSizeB = 4; // ROM[0x37]?
Multi.sramMaskB = Multi.sramSizeB ? ((1 << (Multi.sramSizeB + 3)) * 128 - 1) : 0;
#ifndef NGC
if (!Settings.NoPatch)
CheckForIPSPatch(cartB, HeaderCount != 0, Multi.cartSizeB);
#endif
strcpy(Multi.fileNameB, cartB);
memcpy(ROM + Multi.cartOffsetB, ROM, Multi.cartSizeB);
}
FILE *fp;
size_t size;
char path[_MAX_PATH + 1];
strcpy(path, S9xGetDirectory(BIOS_DIR));
strcat(path, SLASH_STR);
strcat(path, "STBIOS.bin");
fp = fopen(path, "rb");
if (fp)
{
size = fread((void *) ROM, 1, 0x40000, fp);
fclose(fp);
if (!is_SufamiTurbo_BIOS(ROM, size))
return (FALSE);
}
else
return (FALSE);
if (Multi.cartSizeA)
strcpy(ROMFilename, Multi.fileNameA);
else
if (Multi.cartSizeB)
strcpy(ROMFilename, Multi.fileNameB);
else
strcpy(ROMFilename, path);
LoROM = TRUE;
HiROM = FALSE;
CalculatedSize = 0x40000;
return (TRUE);
}
bool8 CMemory::LoadSameGame (const char *cartA, const char *cartB)
{
Multi.cartOffsetA = 0;
Multi.cartOffsetB = 0x200000;
Multi.sramA = SRAM;
Multi.sramB = NULL;
Multi.sramSizeA = ROM[0xffd8];
Multi.sramMaskA = Multi.sramSizeA ? ((1 << (Multi.sramSizeA + 3)) * 128 - 1) : 0;
Multi.sramSizeB = 0;
Multi.sramMaskB = 0;
#ifndef NGC
if (!Settings.NoPatch)
CheckForIPSPatch(cartA, HeaderCount != 0, Multi.cartSizeA);
#endif
strcpy(Multi.fileNameA, cartA);
if (cartB && cartB[0])
Multi.cartSizeB = FileLoader(ROM + Multi.cartOffsetB, cartB, MAX_ROM_SIZE - Multi.cartOffsetB);
if (Multi.cartSizeB)
{
if (!is_SameGame_Add_On(ROM + Multi.cartOffsetB, Multi.cartSizeB))
Multi.cartSizeB = 0;
else
strcpy(Multi.fileNameB, cartB);
}
strcpy(ROMFilename, Multi.fileNameA);
LoROM = FALSE;
HiROM = TRUE;
CalculatedSize = Multi.cartSizeA;
return (TRUE);
}
bool8 CMemory::LoadLastROM (void)
{
if (Multi.cartType)
return (FALSE);
bool8 r;
stopMovie = FALSE;
r = LoadROM(LastRomFilename);
stopMovie = TRUE;
return (r);
}
void CMemory::ClearSRAM (bool8 onlyNonSavedSRAM)
{
if(onlyNonSavedSRAM)
if (!(Settings.SuperFX && ROMType < 0x15) && !(Settings.SA1 && ROMType == 0x34)) // can have SRAM
return;
memset(SRAM, SNESGameFixes.SRAMInitialValue, 0x20000);
}
bool8 CMemory::LoadSRAM (const char *filename)
{
ClearSRAM();
#ifndef NGC
FILE *file;
int size, len;
char sramName[_MAX_PATH + 1];
strcpy(sramName, filename);
if (Multi.cartType && Multi.sramSizeB)
{
char temp[_MAX_PATH + 1];
strcpy(temp, ROMFilename);
strcpy(ROMFilename, Multi.fileNameB);
size = (1 << (Multi.sramSizeB + 3)) * 128;
file = fopen(S9xGetFilename(".srm", SRAM_DIR), "rb");
if (file)
{
len = fread((char *) Multi.sramB, 1, 0x10000, file);
fclose(file);
if (len - size == 512)
memmove(Multi.sramB, Multi.sramB + 512, size);
}
strcpy(ROMFilename, temp);
}
size = SRAMSize ? (1 << (SRAMSize + 3)) * 128 : 0;
if (size > 0x20000)
size = 0x20000;
if (size)
{
file = fopen(sramName, "rb");
if (file)
{
len = fread((char *) SRAM, 1, 0x20000, file);
fclose(file);
if (len - size == 512)
memmove(SRAM, SRAM + 512, size);
if (len == size + SRTC_SRAM_PAD)
{
S9xSRTCPostLoadState();
S9xResetSRTC();
rtc.index = -1;
rtc.mode = MODE_READ;
}
else
S9xHardResetSRTC();
if (Settings.SPC7110RTC)
S9xLoadSPC7110RTC(&rtc_f9);
return (TRUE);
}
else
if (Settings.BS && !Settings.BSXItself)
{
// The BS game's SRAM was not found
// Try to read BS-X.srm instead
char path[_MAX_PATH + 1];
strcpy(path, S9xGetDirectory(SRAM_DIR));
strcat(path, SLASH_STR);
strcat(path, "BS-X.srm");
file = fopen(path, "rb");
if (file)
{
len = fread((char *) SRAM, 1, 0x20000, file);
fclose(file);
if (len - size == 512)
memmove(SRAM, SRAM + 512, size);
S9xMessage(S9X_INFO, S9X_ROM_INFO, "The SRAM file wasn't found: BS-X.srm was read instead.");
S9xHardResetSRTC();
return (TRUE);
}
else
{
S9xMessage(S9X_INFO, S9X_ROM_INFO, "The SRAM file wasn't found, BS-X.srm wasn't found either.");
S9xHardResetSRTC();
return (FALSE);
}
}
S9xHardResetSRTC();
return (FALSE);
}
if (Settings.SDD1)
S9xSDD1LoadLoggedData();
#endif
return (TRUE);
}
bool8 CMemory::SaveSRAM (const char *filename)
{
if (Settings.SuperFX && ROMType < 0x15) // doesn't have SRAM
return (TRUE);
if (Settings.SA1 && ROMType == 0x34) // doesn't have SRAM
return (TRUE);
FILE *file;
int size;
char sramName[_MAX_PATH + 1];
strcpy(sramName, filename);
if (Multi.cartType && Multi.sramSizeB)
{
char name[_MAX_PATH + 1], temp[_MAX_PATH + 1];
strcpy(temp, ROMFilename);
strcpy(ROMFilename, Multi.fileNameB);
strcpy(name, S9xGetFilename(".srm", SRAM_DIR));
size = (1 << (Multi.sramSizeB + 3)) * 128;
file = fopen(name, "wb");
if (file)
{
fwrite((char *) Multi.sramB, size, 1, file);
fclose(file);
#ifdef __linux
chown(name, getuid(), getgid());
#endif
}
strcpy(ROMFilename, temp);
}
size = SRAMSize ? (1 << (SRAMSize + 3)) * 128 : 0;
if (Settings.SRTC)
{
size += SRTC_SRAM_PAD;
S9xSRTCPreSaveState();
}
if (Settings.SDD1)
S9xSDD1SaveLoggedData();
if (size > 0x20000)
size = 0x20000;
if (size)
{
file = fopen(sramName, "wb");
if (file)
{
fwrite((char *) SRAM, size, 1, file);
fclose(file);
#ifdef __linux
chown(sramName, getuid(), getgid());
#endif
if (Settings.SPC7110RTC)
S9xSaveSPC7110RTC(&rtc_f9);
return (TRUE);
}
}
return (FALSE);
}
// initialization
static uint32 caCRC32 (uint8 *array, uint32 size, uint32 crc32)
{
for (uint32 i = 0; i < size; i++)
crc32 = ((crc32 >> 8) & 0x00FFFFFF) ^ crc32Table[(crc32 ^ array[i]) & 0xFF];
return (~crc32);
}
char * CMemory::Safe (const char *s)
{
static char *safe = NULL;
static int safe_len = 0;
if (s == NULL)
{
if (safe)
{
free(safe);
safe = NULL;
}
return (NULL);
}
int len = strlen(s);
if (!safe || len + 1 > safe_len)
{
if (safe)
free(safe);
safe_len = len + 1;
safe = (char *) malloc(safe_len);
}
for (int i = 0; i < len; i++)
{
if (s[i] >= 32 && s[i] < 127)
safe[i] = s[i];
else
safe[i] = '_';
}
safe[len] = 0;
return (safe);
}
char * CMemory::SafeANK (const char *s)
{
static char *safe = NULL;
static int safe_len = 0;
if (s == NULL)
{
if (safe)
{
free(safe);
safe = NULL;
}
return (NULL);
}
int len = strlen(s);
if (!safe || len + 1 > safe_len)
{
if (safe)
free(safe);
safe_len = len + 1;
safe = (char *) malloc(safe_len);
}
for (int i = 0; i < len; i++)
{
if (s[i] >= 32 && s[i] < 127) // ASCII
safe [i] = s[i];
else
if (ROMRegion == 0 && ((uint8) s[i] >= 0xa0 && (uint8) s[i] < 0xe0)) // JIS X 201 - Katakana
safe [i] = s[i];
else
safe [i] = '_';
}
safe [len] = 0;
return (safe);
}
void CMemory::ParseSNESHeader (uint8 *RomHeader)
{
bool8 bs = Settings.BS & !Settings.BSXItself;
strncpy(ROMName, (char *) &RomHeader[0x10], ROM_NAME_LEN - 1);
if (bs)
memset(ROMName + 16, 0x20, ROM_NAME_LEN - 17);
if (bs)
{
if (!(((RomHeader[0x29] & 0x20) && CalculatedSize < 0x100000) ||
(!(RomHeader[0x29] & 0x20) && CalculatedSize == 0x100000)))
printf("BS: Size mismatch\n");
// FIXME
int p = 0;
while ((1 << p) < (int) CalculatedSize)
p++;
ROMSize = p - 10;
}
else
ROMSize = RomHeader[0x27];
SRAMSize = bs ? 5 /* BS-X */ : RomHeader[0x28];
ROMSpeed = bs ? RomHeader[0x28] : RomHeader[0x25];
ROMType = bs ? 0xE5 /* BS-X */ : RomHeader[0x26];
ROMRegion = bs ? 0 : RomHeader[0x29];
ROMChecksum = RomHeader[0x2E] + (RomHeader[0x2F] << 8);
ROMComplementChecksum = RomHeader[0x2C] + (RomHeader[0x2D] << 8);
memmove(ROMId, &RomHeader[0x02], 4);
if (RomHeader[0x2A] == 0x33)
memmove(CompanyId, &RomHeader[0x00], 2);
else
sprintf(CompanyId, "%02X", RomHeader[0x2A]);
}
void CMemory::InitROM (void)
{
Settings.DSP1Master = FALSE;
Settings.SuperFX = FALSE;
Settings.SA1 = FALSE;
Settings.C4 = FALSE;
Settings.SDD1 = FALSE;
Settings.SRTC = FALSE;
Settings.SPC7110 = FALSE;
Settings.SPC7110RTC = FALSE;
Settings.BS = FALSE;
Settings.OBC1 = FALSE;
Settings.SETA = FALSE;
#ifndef ZSNES_FX
SuperFX.nRomBanks = CalculatedSize >> 15;
#endif
s7r.DataRomSize = 0;
//// Parse ROM header and read ROM informatoin
memset(ROMId, 0, 5);
memset(CompanyId, 0, 3);
uint8 *RomHeader = ROM + 0x7FB0;
if (ExtendedFormat == BIGFIRST)
RomHeader += 0x400000;
if (HiROM)
RomHeader += 0x8000;
S9xInitBSX(); // Set BS header before parsing
ParseSNESHeader(RomHeader);
//// Detect and initialize chips
//// detection codes are compatible with NSRT
// DSP1/2/3/4
Settings.DSP1Master = Settings.ForceDSP1;
DSP1.version = 0xff;
if (ROMType == 0x03)
{
if (ROMSpeed == 0x30)
DSP1.version = 3; // DSP4
else
DSP1.version = 0; // DSP1
}
else
if (ROMType == 0x05)
{
if (ROMSpeed == 0x20)
DSP1.version = 1; // DSP2
else
if (ROMSpeed == 0x30 && RomHeader[0x2a] == 0xb2)
DSP1.version = 2; // DSP3
else
DSP1.version = 0; // DSP1
}
if (DSP1.version != 0xff)
Settings.DSP1Master = !Settings.ForceNoDSP1;
switch (DSP1.version)
{
case 0: // DSP1
if (HiROM)
{
DSP1.boundary = 0x7000;
DSP1.maptype = M_DSP1_HIROM;
}
else
if (CalculatedSize > 0x100000)
{
DSP1.boundary = 0x4000;
DSP1.maptype = M_DSP1_LOROM_L;
}
else
{
DSP1.boundary = 0xc000;
DSP1.maptype = M_DSP1_LOROM_S;
}
SetDSP = &DSP1SetByte;
GetDSP = &DSP1GetByte;
break;
case 1: // DSP2
DSP1.boundary = 0x10000;
DSP1.maptype = M_DSP2_LOROM;
SetDSP = &DSP2SetByte;
GetDSP = &DSP2GetByte;
break;
case 2: // DSP3
DSP1.boundary = 0xc000;
DSP1.maptype = M_DSP3_LOROM;
SetDSP = &DSP3SetByte;
GetDSP = &DSP3GetByte;
DSP3_Reset();
break;
case 3: // DSP4
DSP1.boundary = 0xc000;
DSP1.maptype = M_DSP4_LOROM;
SetDSP = &DSP4SetByte;
GetDSP = &DSP4GetByte;
break;
default:
SetDSP = NULL;
GetDSP = NULL;
break;
}
Settings.SA1 = Settings.ForceSA1;
Settings.SuperFX = Settings.ForceSuperFX;
Settings.SDD1 = Settings.ForceSDD1;
Settings.C4 = Settings.ForceC4;
uint32 identifier = ((ROMType & 0xff) << 8) + (ROMSpeed & 0xff);
switch (identifier)
{
// SRTC
case 0x5535:
Settings.SRTC = TRUE;
break;
// SPC7110
case 0xF93A:
Settings.SPC7110RTC = TRUE;
case 0xF53A:
Settings.SPC7110 = TRUE;
S9xSpc7110Init();
break;
// OBC1
case 0x2530:
Settings.OBC1 = TRUE;
break;
// SA1
case 0x3423:
case 0x3523:
Settings.SA1 = !Settings.ForceNoSA1;
break;
// SuperFX
case 0x1320:
case 0x1420:
case 0x1520:
case 0x1A20:
Settings.SuperFX = !Settings.ForceNoSuperFX;
if (Settings.SuperFX)
{
if (ROM[0x7FDA] == 0x33)
SRAMSize = ROM[0x7FBD];
else
SRAMSize = 5;
}
break;
// SDD1
case 0x4332:
case 0x4532:
Settings.SDD1 = !Settings.ForceNoSDD1;
if (Settings.SDD1)
S9xLoadSDD1Data();
break;
// ST018
case 0xF530:
Settings.SETA = ST_018;
SetSETA = NULL;
GetSETA = NULL;
SRAMSize = 2;
SNESGameFixes.SRAMInitialValue = 0x00;
break;
// ST010/011
case 0xF630:
if (ROM[0x7FD7] == 0x09)
{
Settings.SETA = ST_011;
SetSETA = &S9xSetST011;
GetSETA = &S9xGetST011;
}
else
{
Settings.SETA = ST_010;
SetSETA = &S9xSetST010;
GetSETA = &S9xGetST010;
}
SRAMSize = 2;
SNESGameFixes.SRAMInitialValue = 0x00;
break;
// C4
case 0xF320:
Settings.C4 = !Settings.ForceNoC4;
break;
}
//// Map memory and calculate checksum
Map_Initialize();
CalculatedChecksum = 0;
if (HiROM)
{
if (Settings.BS)
/* Do nothing */;
else
if (Settings.SPC7110)
Map_SPC7110HiROMMap();
else
if (ExtendedFormat != NOPE)
Map_ExtendedHiROMMap();
else
if (Multi.cartType == 3)
Map_SameGameHiROMMap();
else
Map_HiROMMap();
}
else
{
if (Settings.BS)
/* Do nothing */;
else
if (Settings.SETA && Settings.SETA != ST_018)
Map_SetaDSPLoROMMap();
else
if (Settings.SuperFX)
Map_SuperFXLoROMMap();
else
if (Settings.SA1)
Map_SA1LoROMMap();
else
if (Settings.SDD1)
Map_SDD1LoROMMap();
else
if (ExtendedFormat != NOPE)
Map_JumboLoROMMap();
else
if (strncmp(ROMName, "WANDERERS FROM YS", 17) == 0)
Map_NoMAD1LoROMMap();
else
if (strncmp(ROMName, "SOUND NOVEL-TCOOL", 17) == 0 ||
strncmp(ROMName, "DERBY STALLION 96", 17) == 0)
Map_ROM24MBSLoROMMap();
else
if (strncmp(ROMName, "THOROUGHBRED BREEDER3", 21) == 0 ||
strncmp(ROMName, "RPG-TCOOL 2", 11) == 0)
Map_SRAM512KLoROMMap();
else
if (strncmp(ROMName, "ADD-ON BASE CASSETE", 19) == 0)
{
if (Multi.cartType == 4)
{
SRAMSize = Multi.sramSizeA;
Map_SufamiTurboLoROMMap();
}
else
{
SRAMSize = 5;
Map_SufamiTurboPseudoLoROMMap();
}
}
else
Map_LoROMMap();
}
Checksum_Calculate();
bool8 isChecksumOK = (ROMChecksum + ROMComplementChecksum == 0xffff) &
(ROMChecksum == CalculatedChecksum);
//// Build more ROM information
// CRC32
if (!Settings.BS || Settings.BSXItself) // Not BS Dump
ROMCRC32 = caCRC32(ROM, CalculatedSize);
else // Convert to correct format before scan
{
int offset = HiROM ? 0xffc0 : 0x7fc0;
// Backup
uint8 BSMagic0 = ROM[offset + 22],
BSMagic1 = ROM[offset + 23];
// uCONSRT standard
ROM[offset + 22] = 0x42;
ROM[offset + 23] = 0x00;
// Calc
ROMCRC32 = caCRC32(ROM, CalculatedSize);
// Convert back
ROM[offset + 22] = BSMagic0;
ROM[offset + 23] = BSMagic1;
}
// NTSC/PAL
if (Settings.ForceNTSC)
Settings.PAL = FALSE;
else
if (Settings.ForcePAL)
Settings.PAL = TRUE;
else
if (!Settings.BS && (ROMRegion >= 2) && (ROMRegion <= 12))
Settings.PAL = TRUE;
else
Settings.PAL = FALSE;
//// Initialize emulation
Timings.H_Max_Master = SNES_CYCLES_PER_SCANLINE;
Timings.H_Max = Timings.H_Max_Master;
Timings.HBlankStart = SNES_HBLANK_START_HC;
Timings.HBlankEnd = SNES_HBLANK_END_HC;
Timings.HDMAInit = SNES_HDMA_INIT_HC;
Timings.HDMAStart = SNES_HDMA_START_HC;
Timings.RenderPos = SNES_RENDER_START_HC;
Timings.V_Max_Master = Settings.PAL ? SNES_MAX_PAL_VCOUNTER : SNES_MAX_NTSC_VCOUNTER;
Timings.V_Max = Timings.V_Max_Master;
/* From byuu: The total delay time for both the initial (H)DMA sync (to the DMA clock),
and the end (H)DMA sync (back to the last CPU cycle's mcycle rate (6, 8, or 12)) always takes between 12-24 mcycles.
Possible delays: { 12, 14, 16, 18, 20, 22, 24 }
XXX: Snes9x can't emulate this timing :( so let's use the average value... */
Timings.DMACPUSync = 18;
if (Settings.PAL)
{
Settings.FrameTime = Settings.FrameTimePAL;
ROMFramesPerSecond = 50;
}
else
{
Settings.FrameTime = Settings.FrameTimeNTSC;
ROMFramesPerSecond = 60;
}
// truncate cart name
ROMName[ROM_NAME_LEN - 1] = 0;
if (strlen(ROMName))
{
char *p = ROMName + strlen(ROMName);
if (p > ROMName + 21 && ROMName[20] == ' ')
p = ROMName + 21;
while (p > ROMName && *(p - 1) == ' ')
p--;
*p = 0;
}
// SRAM size
SRAMMask = SRAMSize ? ((1 << (SRAMSize + 3)) * 128) - 1 : 0;
// checksum
if (!isChecksumOK || ((uint32) CalculatedSize > (uint32) (((1 << (ROMSize - 7)) * 128) * 1024)))
{
if (Settings.DisplayColor == 0xffff || Settings.DisplayColor != BUILD_PIXEL(31, 0, 0))
{
Settings.DisplayColor = BUILD_PIXEL(31, 31, 0);
SET_UI_COLOR(255, 255, 0);
}
}
if (Multi.cartType == 4)
{
Settings.DisplayColor = BUILD_PIXEL(0, 16, 31);
SET_UI_COLOR(0, 128, 255);
}
IAPU.OneCycle = SNES_APU_ONE_CYCLE_SCALED;
CPU.FastROMSpeed = 0;
ResetSpeedMap();
IPPU.TotalEmulatedFrames = 0;
Settings.Shutdown = Settings.ShutdownMaster;
//// Hack games
ApplyROMFixes();
//// Show ROM information
char displayName[ROM_NAME_LEN];
strcpy(RawROMName, ROMName);
sprintf(displayName, "%s", SafeANK(ROMName));
sprintf(ROMName, "%s", Safe(ROMName));
sprintf(ROMId, "%s", Safe(ROMId));
sprintf(CompanyId, "%s", Safe(CompanyId));
sprintf(String, "\"%s\" [%s] %s, %s, Type: %s, Mode: %s, TV: %s, S-RAM: %s, ROMId: %s Company: %2.2s CRC32: %08X",
displayName, isChecksumOK ? "checksum ok" : ((Multi.cartType == 4) ? "no checksum" : "bad checksum"),
MapType(), Size(), KartContents(), MapMode(), TVStandard(), StaticRAMSize(), ROMId, CompanyId, ROMCRC32);
S9xMessage(S9X_INFO, S9X_ROM_INFO, String);
// XXX: Please remove port specific codes
#ifdef __WIN32__
#ifndef _XBOX
EnableMenuItem(GUI.hMenu, IDM_ROM_INFO, MF_ENABLED);
#endif
#ifdef RTC_DEBUGGER
if (Settings.SPC7110RTC)
EnableMenuItem(GUI.hMenu, IDM_7110_RTC, MF_ENABLED);
else
EnableMenuItem(GUI.hMenu, IDM_7110_RTC, MF_GRAYED);
#endif
#endif
Settings.ForceHiROM = Settings.ForceLoROM = FALSE;
Settings.ForceHeader = Settings.ForceNoHeader = FALSE;
Settings.ForceInterleaved = Settings.ForceNotInterleaved = Settings.ForceInterleaved2 = FALSE;
#ifndef NGC
if (stopMovie)
S9xMovieStop(TRUE);
#endif
if (PostRomInitFunc)
PostRomInitFunc();
S9xVerifyControllers();
}
void CMemory::FixROMSpeed (void)
{
if (CPU.FastROMSpeed == 0)
CPU.FastROMSpeed = SLOW_ONE_CYCLE;
// [80-bf]:[8000-ffff], [c0-ff]:[0000-ffff]
for (int c = 0x800; c < 0x1000; c++)
{
if (c & 0x8 || c & 0x400)
MemorySpeed[c] = (uint8) CPU.FastROMSpeed;
}
}
void CMemory::ResetSpeedMap (void)
{
memset(MemorySpeed, SLOW_ONE_CYCLE, 0x1000);
// Fast - [00-3f|80-bf]:[2000-3fff|4200-5fff]
// XSlow - [00-3f|80-bf]:[4000-41ff] see also S9xGet/SetCPU()
for (int i = 0; i < 0x400; i += 0x10)
{
MemorySpeed[i + 2] = MemorySpeed[0x800 + i + 2] = ONE_CYCLE;
MemorySpeed[i + 3] = MemorySpeed[0x800 + i + 3] = ONE_CYCLE;
MemorySpeed[i + 4] = MemorySpeed[0x800 + i + 4] = ONE_CYCLE;
MemorySpeed[i + 5] = MemorySpeed[0x800 + i + 5] = ONE_CYCLE;
}
FixROMSpeed();
}
// memory map
uint32 CMemory::map_mirror (uint32 size, uint32 pos)
{
// from bsnes
if (size == 0)
return (0);
if (pos < size)
return (pos);
uint32 mask = 1 << 31;
while (!(pos & mask))
mask >>= 1;
if (size <= (pos & mask))
return (map_mirror(size, pos - mask));
else
return (mask + map_mirror(size - mask, pos - mask));
}
void CMemory::map_lorom (uint32 bank_s, uint32 bank_e, uint32 addr_s, uint32 addr_e, uint32 size)
{
uint32 c, i, p, addr;
for (c = bank_s; c <= bank_e; c++)
{
for (i = addr_s; i <= addr_e; i += 0x1000)
{
p = (c << 4) | (i >> 12);
addr = (c & 0x7f) * 0x8000;
Map[p] = ROM + map_mirror(size, addr) - (i & 0x8000);
BlockIsROM[p] = TRUE;
BlockIsRAM[p] = FALSE;
}
}
}
void CMemory::map_hirom (uint32 bank_s, uint32 bank_e, uint32 addr_s, uint32 addr_e, uint32 size)
{
uint32 c, i, p, addr;
for (c = bank_s; c <= bank_e; c++)
{
for (i = addr_s; i <= addr_e; i += 0x1000)
{
p = (c << 4) | (i >> 12);
addr = c << 16;
Map[p] = ROM + map_mirror(size, addr);
BlockIsROM[p] = TRUE;
BlockIsRAM[p] = FALSE;
}
}
}
void CMemory::map_lorom_offset (uint32 bank_s, uint32 bank_e, uint32 addr_s, uint32 addr_e, uint32 size, uint32 offset)
{
uint32 c, i, p, addr;
for (c = bank_s; c <= bank_e; c++)
{
for (i = addr_s; i <= addr_e; i += 0x1000)
{
p = (c << 4) | (i >> 12);
addr = ((c - bank_s) & 0x7f) * 0x8000;
Map[p] = ROM + offset + map_mirror(size, addr) - (i & 0x8000);
BlockIsROM[p] = TRUE;
BlockIsRAM[p] = FALSE;
}
}
}
void CMemory::map_hirom_offset (uint32 bank_s, uint32 bank_e, uint32 addr_s, uint32 addr_e, uint32 size, uint32 offset)
{
uint32 c, i, p, addr;
for (c = bank_s; c <= bank_e; c++)
{
for (i = addr_s; i <= addr_e; i += 0x1000)
{
p = (c << 4) | (i >> 12);
addr = (c - bank_s) << 16;
Map[p] = ROM + offset + map_mirror(size, addr);
BlockIsROM[p] = TRUE;
BlockIsRAM[p] = FALSE;
}
}
}
void CMemory::map_space (uint32 bank_s, uint32 bank_e, uint32 addr_s, uint32 addr_e, uint8 *data)
{
uint32 c, i, p;
for (c = bank_s; c <= bank_e; c++)
{
for (i = addr_s; i <= addr_e; i += 0x1000)
{
p = (c << 4) | (i >> 12);
Map[p] = data;
BlockIsROM[p] = FALSE;
BlockIsRAM[p] = TRUE;
}
}
}
void CMemory::map_index (uint32 bank_s, uint32 bank_e, uint32 addr_s, uint32 addr_e, int index, int type)
{
uint32 c, i, p;
bool8 isROM, isRAM;
isROM = ((type == MAP_TYPE_I_O) || (type == MAP_TYPE_RAM)) ? FALSE : TRUE;
isRAM = ((type == MAP_TYPE_I_O) || (type == MAP_TYPE_ROM)) ? FALSE : TRUE;
for (c = bank_s; c <= bank_e; c++)
{
for (i = addr_s; i <= addr_e; i += 0x1000)
{
p = (c << 4) | (i >> 12);
Map[p] = (uint8 *) index;
BlockIsROM[p] = isROM;
BlockIsRAM[p] = isRAM;
}
}
}
void CMemory::map_System (void)
{
// will be overwritten
map_space(0x00, 0x3f, 0x0000, 0x1fff, RAM);
map_index(0x00, 0x3f, 0x2000, 0x3fff, MAP_PPU, MAP_TYPE_I_O);
map_index(0x00, 0x3f, 0x4000, 0x5fff, MAP_CPU, MAP_TYPE_I_O);
map_space(0x80, 0xbf, 0x0000, 0x1fff, RAM);
map_index(0x80, 0xbf, 0x2000, 0x3fff, MAP_PPU, MAP_TYPE_I_O);
map_index(0x80, 0xbf, 0x4000, 0x5fff, MAP_CPU, MAP_TYPE_I_O);
}
void CMemory::map_WRAM (void)
{
// will overwrite others
map_space(0x7e, 0x7e, 0x0000, 0xffff, RAM);
map_space(0x7f, 0x7f, 0x0000, 0xffff, RAM + 0x10000);
}
void CMemory::map_LoROMSRAM (void)
{
map_index(0x70, 0x7f, 0x0000, 0x7fff, MAP_LOROM_SRAM, MAP_TYPE_RAM);
map_index(0xf0, 0xff, 0x0000, 0x7fff, MAP_LOROM_SRAM, MAP_TYPE_RAM);
}
void CMemory::map_HiROMSRAM (void)
{
map_index(0x20, 0x3f, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM);
map_index(0xa0, 0xbf, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM);
}
void CMemory::map_DSP (void)
{
switch (DSP1.maptype)
{
case M_DSP1_LOROM_S:
map_index(0x20, 0x3f, 0x8000, 0xffff, MAP_DSP, MAP_TYPE_I_O);
map_index(0xa0, 0xbf, 0x8000, 0xffff, MAP_DSP, MAP_TYPE_I_O);
break;
case M_DSP1_LOROM_L:
map_index(0x60, 0x6f, 0x0000, 0x7fff, MAP_DSP, MAP_TYPE_I_O);
map_index(0xe0, 0xef, 0x0000, 0x7fff, MAP_DSP, MAP_TYPE_I_O);
break;
case M_DSP1_HIROM:
map_index(0x00, 0x1f, 0x6000, 0x7fff, MAP_DSP, MAP_TYPE_I_O);
map_index(0x80, 0x9f, 0x6000, 0x7fff, MAP_DSP, MAP_TYPE_I_O);
break;
case M_DSP2_LOROM:
map_index(0x20, 0x3f, 0x6000, 0x6fff, MAP_DSP, MAP_TYPE_I_O);
map_index(0x20, 0x3f, 0x8000, 0xbfff, MAP_DSP, MAP_TYPE_I_O);
map_index(0xa0, 0xbf, 0x6000, 0x6fff, MAP_DSP, MAP_TYPE_I_O);
map_index(0xa0, 0xbf, 0x8000, 0xbfff, MAP_DSP, MAP_TYPE_I_O);
break;
case M_DSP3_LOROM:
map_index(0x20, 0x3f, 0x8000, 0xffff, MAP_DSP, MAP_TYPE_I_O);
map_index(0xa0, 0xbf, 0x8000, 0xffff, MAP_DSP, MAP_TYPE_I_O);
break;
case M_DSP4_LOROM:
map_index(0x30, 0x3f, 0x8000, 0xffff, MAP_DSP, MAP_TYPE_I_O);
map_index(0xb0, 0xbf, 0x8000, 0xffff, MAP_DSP, MAP_TYPE_I_O);
break;
}
}
void CMemory::map_C4 (void)
{
map_index(0x00, 0x3f, 0x6000, 0x7fff, MAP_C4, MAP_TYPE_I_O);
map_index(0x80, 0xbf, 0x6000, 0x7fff, MAP_C4, MAP_TYPE_I_O);
}
void CMemory::map_OBC1 (void)
{
map_index(0x00, 0x3f, 0x6000, 0x7fff, MAP_OBC_RAM, MAP_TYPE_I_O);
map_index(0x80, 0xbf, 0x6000, 0x7fff, MAP_OBC_RAM, MAP_TYPE_I_O);
}
void CMemory::map_SetaRISC (void)
{
map_index(0x00, 0x3f, 0x3000, 0x3fff, MAP_SETA_RISC, MAP_TYPE_I_O);
map_index(0x80, 0xbf, 0x3000, 0x3fff, MAP_SETA_RISC, MAP_TYPE_I_O);
}
void CMemory::map_SetaDSP (void)
{
// where does the SETA chip access, anyway?
// please confirm this?
map_index(0x68, 0x6f, 0x0000, 0x7fff, MAP_SETA_DSP, MAP_TYPE_RAM);
// and this!
map_index(0x60, 0x67, 0x0000, 0x3fff, MAP_SETA_DSP, MAP_TYPE_I_O);
// ST-0010:
// map_index(0x68, 0x6f, 0x0000, 0x0fff, MAP_SETA_DSP, ?);
}
void CMemory::map_WriteProtectROM (void)
{
memmove((void *) WriteMap, (void *) Map, sizeof(Map));
for (int c = 0; c < 0x1000; c++)
{
if (BlockIsROM[c])
WriteMap[c] = (uint8 *) MAP_NONE;
}
}
void CMemory::Map_Initialize (void)
{
for (int c = 0; c < 0x1000; c++)
{
Map[c] = (uint8 *) MAP_NONE;
WriteMap[c] = (uint8 *) MAP_NONE;
BlockIsROM[c] = FALSE;
BlockIsRAM[c] = FALSE;
}
}
void CMemory::Map_LoROMMap (void)
{
printf("Map_LoROMMap\n");
map_System();
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_lorom(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize);
if (Settings.DSP1Master)
map_DSP();
else
if (Settings.C4)
map_C4();
else
if (Settings.OBC1)
map_OBC1();
else
if (Settings.SETA == ST_018)
map_SetaRISC();
map_LoROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_NoMAD1LoROMMap (void)
{
printf("Map_NoMAD1LoROMMap\n");
map_System();
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_lorom(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize);
map_index(0x70, 0x7f, 0x0000, 0xffff, MAP_LOROM_SRAM, MAP_TYPE_RAM);
map_index(0xf0, 0xff, 0x0000, 0xffff, MAP_LOROM_SRAM, MAP_TYPE_RAM);
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_JumboLoROMMap (void)
{
// XXX: Which game uses this?
printf("Map_JumboLoROMMap\n");
map_System();
map_lorom_offset(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize - 0x400000, 0x400000);
map_lorom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize - 0x400000, 0x400000);
map_lorom_offset(0x80, 0xbf, 0x8000, 0xffff, 0x400000, 0);
map_lorom_offset(0xc0, 0xff, 0x0000, 0xffff, 0x400000, 0x200000);
map_LoROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_ROM24MBSLoROMMap (void)
{
// PCB: BSC-1A5M-01, BSC-1A7M-10
printf("Map_ROM24MBSLoROMMap\n");
map_System();
map_lorom_offset(0x00, 0x1f, 0x8000, 0xffff, 0x100000, 0);
map_lorom_offset(0x20, 0x3f, 0x8000, 0xffff, 0x100000, 0x100000);
map_lorom_offset(0x80, 0x9f, 0x8000, 0xffff, 0x100000, 0x200000);
map_lorom_offset(0xa0, 0xbf, 0x8000, 0xffff, 0x100000, 0x100000);
map_LoROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SRAM512KLoROMMap (void)
{
printf("Map_SRAM512KLoROMMap\n");
map_System();
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_lorom(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize);
map_space(0x70, 0x70, 0x0000, 0xffff, SRAM);
map_space(0x71, 0x71, 0x0000, 0xffff, SRAM + 0x8000);
map_space(0x72, 0x72, 0x0000, 0xffff, SRAM + 0x10000);
map_space(0x73, 0x73, 0x0000, 0xffff, SRAM + 0x18000);
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SufamiTurboLoROMMap (void)
{
printf("Map_SufamiTurboLoROMMap\n");
map_System();
map_lorom_offset(0x00, 0x1f, 0x8000, 0xffff, 0x40000, 0);
map_lorom_offset(0x20, 0x3f, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_lorom_offset(0x40, 0x5f, 0x8000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB);
map_lorom_offset(0x80, 0x9f, 0x8000, 0xffff, 0x40000, 0);
map_lorom_offset(0xa0, 0xbf, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_lorom_offset(0xc0, 0xdf, 0x8000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB);
if (Multi.sramSizeA)
{
map_index(0x60, 0x63, 0x8000, 0xffff, MAP_LOROM_SRAM, MAP_TYPE_RAM);
map_index(0xe0, 0xe3, 0x8000, 0xffff, MAP_LOROM_SRAM, MAP_TYPE_RAM);
}
if (Multi.sramSizeB)
{
map_index(0x70, 0x73, 0x8000, 0xffff, MAP_LOROM_SRAM_B, MAP_TYPE_RAM);
map_index(0xf0, 0xf3, 0x8000, 0xffff, MAP_LOROM_SRAM_B, MAP_TYPE_RAM);
}
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SufamiTurboPseudoLoROMMap (void)
{
// for combined images
printf("Map_SufamiTurboPseudoLoROMMap\n");
map_System();
map_lorom_offset(0x00, 0x1f, 0x8000, 0xffff, 0x40000, 0);
map_lorom_offset(0x20, 0x3f, 0x8000, 0xffff, 0x100000, 0x100000);
map_lorom_offset(0x40, 0x5f, 0x8000, 0xffff, 0x100000, 0x200000);
map_lorom_offset(0x80, 0x9f, 0x8000, 0xffff, 0x40000, 0);
map_lorom_offset(0xa0, 0xbf, 0x8000, 0xffff, 0x100000, 0x100000);
map_lorom_offset(0xc0, 0xdf, 0x8000, 0xffff, 0x100000, 0x200000);
// I don't care :P
map_space(0x60, 0x63, 0x8000, 0xffff, SRAM - 0x8000);
map_space(0xe0, 0xe3, 0x8000, 0xffff, SRAM - 0x8000);
map_space(0x70, 0x73, 0x8000, 0xffff, SRAM + 0x4000 - 0x8000);
map_space(0xf0, 0xf3, 0x8000, 0xffff, SRAM + 0x4000 - 0x8000);
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SuperFXLoROMMap (void)
{
printf("Map_SuperFXLoROMMap\n");
map_System();
// Replicate the first 2Mb of the ROM at ROM + 2MB such that each 32K
// block is repeated twice in each 64K block.
for (int c = 0; c < 64; c++)
{
memmove(&ROM[0x200000 + c * 0x10000], &ROM[c * 0x8000], 0x8000);
memmove(&ROM[0x208000 + c * 0x10000], &ROM[c * 0x8000], 0x8000);
}
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_hirom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize, 0);
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize, 0);
map_space(0x00, 0x3f, 0x6000, 0x7fff, SRAM - 0x6000);
map_space(0x80, 0xbf, 0x6000, 0x7fff, SRAM - 0x6000);
map_space(0x70, 0x70, 0x0000, 0xffff, SRAM);
map_space(0x71, 0x71, 0x0000, 0xffff, SRAM + 0x10000);
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SetaDSPLoROMMap (void)
{
printf("Map_SetaDSPLoROMMap\n");
map_System();
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x40, 0x7f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_lorom(0xc0, 0xff, 0x8000, 0xffff, CalculatedSize);
map_SetaDSP();
map_LoROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SDD1LoROMMap (void)
{
printf("Map_SDD1LoROMMap\n");
map_System();
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_hirom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize, 0);
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize, 0); // will be overwritten dynamically
map_index(0x70, 0x7f, 0x0000, 0x7fff, MAP_LOROM_SRAM, MAP_TYPE_RAM);
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SA1LoROMMap (void)
{
printf("Map_SA1LoROMMap\n");
map_System();
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize, 0);
map_space(0x00, 0x3f, 0x3000, 0x3fff, FillRAM);
map_space(0x80, 0xbf, 0x3000, 0x3fff, FillRAM);
map_index(0x00, 0x3f, 0x6000, 0x7fff, MAP_BWRAM, MAP_TYPE_I_O);
map_index(0x80, 0xbf, 0x6000, 0x7fff, MAP_BWRAM, MAP_TYPE_I_O);
for (int c = 0x40; c < 0x80; c++)
map_space(c, c, 0x0000, 0xffff, SRAM + (c & 1) * 0x10000);
map_WRAM();
map_WriteProtectROM();
// Now copy the map and correct it for the SA1 CPU.
memmove((void *) SA1.Map, (void *) Map, sizeof(Map));
memmove((void *) SA1.WriteMap, (void *) WriteMap, sizeof(WriteMap));
// SA-1 Banks 00->3f and 80->bf
for (int c = 0x000; c < 0x400; c += 0x10)
{
SA1.Map[c + 0] = SA1.Map[c + 0x800] = FillRAM + 0x3000;
SA1.Map[c + 1] = SA1.Map[c + 0x801] = (uint8 *) MAP_NONE;
SA1.WriteMap[c + 0] = SA1.WriteMap[c + 0x800] = FillRAM + 0x3000;
SA1.WriteMap[c + 1] = SA1.WriteMap[c + 0x801] = (uint8 *) MAP_NONE;
}
// SA-1 Banks 60->6f
for (int c = 0x600; c < 0x700; c++)
SA1.Map[c] = SA1.WriteMap[c] = (uint8 *) MAP_BWRAM_BITMAP;
BWRAM = SRAM;
}
void CMemory::Map_HiROMMap (void)
{
printf("Map_HiROMMap\n");
map_System();
map_hirom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_hirom(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize);
map_hirom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_hirom(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize);
if (Settings.DSP1Master)
map_DSP();
map_HiROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_ExtendedHiROMMap (void)
{
printf("Map_ExtendedHiROMMap\n");
map_System();
map_hirom_offset(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize - 0x400000, 0x400000);
map_hirom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize - 0x400000, 0x400000);
map_hirom_offset(0x80, 0xbf, 0x8000, 0xffff, 0x400000, 0);
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, 0x400000, 0);
map_HiROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SameGameHiROMMap (void)
{
printf("Map_SameGameHiROMMap\n");
map_System();
map_hirom_offset(0x00, 0x1f, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_hirom_offset(0x20, 0x3f, 0x8000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB);
map_hirom_offset(0x40, 0x5f, 0x0000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_hirom_offset(0x60, 0x7f, 0x0000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB);
map_hirom_offset(0x80, 0x9f, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_hirom_offset(0xa0, 0xbf, 0x8000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB);
map_hirom_offset(0xc0, 0xdf, 0x0000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_hirom_offset(0xe0, 0xff, 0x0000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB);
map_HiROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_SPC7110HiROMMap (void)
{
printf("Map_SPC7110HiROMMap\n");
map_System();
map_hirom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_hirom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_hirom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize, 0);
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize, 0);
map_index(0x50, 0x50, 0x0000, 0xffff, MAP_SPC7110_DRAM, MAP_TYPE_ROM);
map_index(0xd0, 0xff, 0x0000, 0xffff, MAP_SPC7110_ROM, MAP_TYPE_ROM);
map_index(0x00, 0x3f, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM);
map_WRAM();
map_WriteProtectROM();
}
// checksum
uint16 CMemory::checksum_calc_sum (uint8 *data, uint32 length)
{
uint16 sum = 0;
for (uint32 i = 0; i < length; i++)
sum += data[i];
return (sum);
}
uint16 CMemory::checksum_mirror_sum (uint8 *start, uint32 &length, uint32 mask)
{
// from NSRT
while (!(length & mask))
mask >>= 1;
uint16 part1 = checksum_calc_sum(start, mask);
uint16 part2 = 0;
uint32 next_length = length - mask;
if (next_length)
{
part2 = checksum_mirror_sum(start + mask, next_length, mask >> 1);
while (next_length < mask)
{
next_length += next_length;
part2 += part2;
}
length = mask + mask;
}
return (part1 + part2);
}
void CMemory::Checksum_Calculate (void)
{
// from NSRT
uint16 sum = 0;
if (Settings.BS && !Settings.BSXItself)
sum = checksum_calc_sum(ROM, CalculatedSize) - checksum_calc_sum(ROM + (HiROM ? 0xffb0 : 0x7fb0), 48);
else
if (Settings.SPC7110)
{
sum = checksum_calc_sum(ROM, CalculatedSize);
if (CalculatedSize == 0x300000)
sum += sum;
}
else
{
if (CalculatedSize & 0x7fff)
sum = checksum_calc_sum(ROM, CalculatedSize);
else
{
uint32 length = CalculatedSize;
sum = checksum_mirror_sum(ROM, length);
}
}
CalculatedChecksum = sum;
}
// information
const char * CMemory::TVStandard (void)
{
return (Settings.PAL ? "PAL" : "NTSC");
}
const char * CMemory::MapType (void)
{
return (HiROM ? ((ExtendedFormat != NOPE) ? "ExHiROM": "HiROM") : "LoROM");
}
const char * CMemory::MapMode (void)
{
static char str[4];
sprintf(str, "%02x", ROMSpeed & ~0x10);
return (str);
}
const char * CMemory::StaticRAMSize (void)
{
static char str[20];
if (SRAMSize > 16)
strcpy(str, "Corrupt");
else
sprintf(str, "%dKB", (SRAMMask + 1) / 1024);
return (str);
}
const char * CMemory::Size (void)
{
static char str[20];
if (Multi.cartType == 4)
strcpy(str, "N/A");
else
if (ROMSize < 7 || ROMSize - 7 > 23)
strcpy(str, "Corrupt");
else
sprintf(str, "%dMbits", 1 << (ROMSize - 7));
return (str);
}
const char * CMemory::Revision (void)
{
static char str[20];
sprintf(str, "1.%d", HiROM ? ((ExtendedFormat != NOPE) ? ROM[0x40ffdb] : ROM[0xffdb]) : ROM[0x7fdb]);
return (str);
}
const char * CMemory::KartContents (void)
{
static char str[30];
static char *contents[3] = { "ROM", "ROM+RAM", "ROM+RAM+BAT" };
char chip[16];
if (ROMType == 0 && !Settings.BS)
return ("ROM");
if (Settings.BS)
strcpy(chip, "+BSX");
else
if (Settings.SuperFX)
strcpy(chip, "+SuperFX");
else
if (Settings.SDD1)
strcpy(chip, "+S-DD1");
else
if (Settings.OBC1)
strcpy(chip, "+OBC1");
else
if (Settings.SA1)
strcpy(chip, "+SA-1");
else
if (Settings.SPC7110RTC)
strcpy(chip, "+SPC7110+RTC");
else
if (Settings.SPC7110)
strcpy(chip, "+SPC7110");
else
if (Settings.SRTC)
strcpy(chip, "+S-RTC");
else
if (Settings.C4)
strcpy(chip, "+C4");
else
if (Settings.SETA == ST_010)
strcpy(chip, "+ST-010");
else
if (Settings.SETA == ST_011)
strcpy(chip, "+ST-011");
else
if (Settings.SETA == ST_018)
strcpy(chip, "+ST-018");
else
if (Settings.DSP1Master)
sprintf(chip, "+DSP%d", DSP1.version + 1);
else
strcpy(chip, "");
sprintf(str, "%s%s", contents[(ROMType & 0xf) % 3], chip);
return (str);
}
// hack
bool8 CMemory::match_na (const char *str)
{
return (strcmp(ROMName, str) == 0);
}
bool8 CMemory::match_nn (const char *str)
{
return (strncmp(ROMName, str, strlen(str)) == 0);
}
bool8 CMemory::match_nc (const char *str)
{
return (strncasecmp(ROMName, str, strlen(str)) == 0);
}
bool8 CMemory::match_id (const char *str)
{
return (strncmp(ROMId, str, strlen(str)) == 0);
}
void CMemory::ApplyROMFixes (void)
{
#ifdef __W32_HEAP
if (_HEAPOK != _heapchk())
MessageBox(GUI.hWnd, "CMemory::ApplyROMFixes", "Heap Corrupt", MB_OK);
#endif
//// Warnings
// Don't steal my work! -MK
if ((ROMCRC32 == 0x1B4A5616) && match_nn("RUDORA NO HIHOU"))
{
strncpy(ROMName, "THIS SCRIPT WAS STOLEN", 22);
Settings.DisplayColor = BUILD_PIXEL(31, 0, 0);
SET_UI_COLOR(255, 0, 0);
}
// Reject strange hacked games
if ((ROMCRC32 == 0x6810aa95) ||
(ROMCRC32 == 0x340f23e5) ||
(ROMCRC32 == 0x77fd806a) ||
(match_nn("HIGHWAY BATTLE 2")) ||
(match_na("FX SKIING NINTENDO 96") && (ROM[0x7fda] == 0)) ||
(match_nn("HONKAKUHA IGO GOSEI") && (ROM[0xffd5] != 0x31)))
{
Settings.DisplayColor = BUILD_PIXEL(31, 0, 0);
SET_UI_COLOR(255, 0, 0);
}
//// APU timing hacks :(
// This game cannot work well anyway
if (match_id("AVCJ")) // Rendering Ranger R2
{
IAPU.OneCycle = (int32) (15.7 * (1 << SNES_APU_ACCURACY));
printf("APU OneCycle hack: %d\n", IAPU.OneCycle);
}
// XXX: All Quintet games?
if (match_na("GAIA GENSOUKI 1 JPN") || // Gaia Gensouki
match_id("JG ") || // Illusion of Gaia
match_id("CQ ")) // Stunt Race FX
{
IAPU.OneCycle = (int32) (13.0 * (1 << SNES_APU_ACCURACY));
printf("APU OneCycle hack: %d\n", IAPU.OneCycle);
}
if (match_na("SOULBLADER - 1") || // Soul Blader
match_na("SOULBLAZER - 1 USA") || // Soul Blazer
match_na("SLAP STICK 1 JPN") || // Slap Stick
match_id("E9 ") || // Robotrek
match_nn("ACTRAISER") || // Actraiser
match_nn("ActRaiser-2") || // Actraiser 2
match_id("AQT") || // Tenchi Souzou, Terranigma
match_id("ATV") || // Tales of Phantasia
match_id("ARF") || // Star Ocean
match_id("APR") || // Zen-Nippon Pro Wrestling 2 - 3-4 Budoukan
match_id("A4B") || // Super Bomberman 4
match_id("Y7 ") || // U.F.O. Kamen Yakisoban - Present Ban
match_id("Y9 ") || // U.F.O. Kamen Yakisoban - Shihan Ban
match_id("APB") || // Super Bomberman - Panic Bomber W
match_na("DARK KINGDOM") || // Dark Kingdom
match_na("ZAN3 SFC") || // Zan III Spirits
match_na("HIOUDEN") || // Hiouden - Mamono-tachi Tono Chikai
match_na("\xC3\xDD\xBC\xC9\xB3\xC0") || // Tenshi no Uta
match_na("FORTUNE QUEST") || // Fortune Quest - Dice wo Korogase
match_na("FISHING TO BASSING") || // Shimono Masaki no Fishing To Bassing
match_na("OHMONO BLACKBASS") || // Oomono Black Bass Fishing - Jinzouko Hen
match_na("MASTERS") || // Harukanaru Augusta 2 - Masters
match_na("SFC \xB6\xD2\xDD\xD7\xB2\xC0\xDE\xB0") || // Kamen Rider
match_na("ZENKI TENCHIMEIDOU") || // Kishin Douji Zenki - Tenchi Meidou
match_nn("TokyoDome '95Battle 7") || // Shin Nippon Pro Wrestling Kounin '95 - Tokyo Dome Battle 7
match_nn("SWORD WORLD SFC") || // Sword World SFC/2
match_nn("LETs PACHINKO(") || // BS Lets Pachinko Nante Gindama 1/2/3/4
match_nn("THE FISHING MASTER") || // Mark Davis The Fishing Master
match_nn("Parlor") || // Parlor mini/2/3/4/5/6/7, Parlor Parlor!/2/3/4/5
match_na("HEIWA Parlor!Mini8") || // Parlor mini 8
match_nn("SANKYO Fever! \xCC\xA8\xB0\xCA\xDE\xB0!")) // SANKYO Fever! Fever!
{
IAPU.OneCycle = (int32) (15.0 * (1 << SNES_APU_ACCURACY));
printf("APU OneCycle hack: %d\n", IAPU.OneCycle);
}
//// DMA/HDMA timing hacks :(
Timings.HDMAStart = SNES_HDMA_START_HC + Settings.HDMATimingHack - 100;
Timings.HBlankStart = SNES_HBLANK_START_HC + Timings.HDMAStart - SNES_HDMA_START_HC;
// The HC counter (CPU.Cycles for snes9x) passes over the WRAM refresh point (HC~536)
// while preparing to jump to the IRQ vector address.
// That is to say, the WRAM refresh point is passed over in S9xOpcode_IRQ().
// Then, HDMA starts just after $210e is half updated, and it causes the flicker of the ground.
// IRQ timing is bad? HDMA timing is bad? else?
if (match_na("GUNDAMW ENDLESSDUEL")) // Shin Kidou Senki Gundam W - Endless Duel
{
Timings.HDMAStart -= 10;
Timings.HBlankStart -= 10;
printf("HDMA timing hack: %d\n", Timings.HDMAStart);
}
// The delay to sync CPU and DMA which Snes9x cannot emulate.
// Some games need really severe delay timing...
if (match_na("BATTLE GRANDPRIX")) // Battle Grandprix
{
Timings.DMACPUSync = 20;
printf("DMA sync: %d\n", Timings.DMACPUSync);
}
//// CPU speed-ups (CPU_Shutdown())
// Force disabling a speed-up hack
// Games which spool sound samples between the SNES and sound CPU using
// H-DMA as the sample is playing.
if (match_na("EARTHWORM JIM 2") || // Earth Worm Jim 2
match_na("PRIMAL RAGE") || // Primal Rage
match_na("CLAY FIGHTER") || // Clay Fighter
match_na("ClayFighter 2") || // Clay Fighter 2
match_na("WeaponLord") || // Weapon Lord
match_nn("WAR 2410") || // War 2410
match_id("ARF") || // Star Ocean
match_id("A4WJ") || // Mini Yonku Shining Scorpion - Let's & Go!!
match_nn("NHL") ||
match_nc("MADDEN"))
{
if (Settings.Shutdown)
printf("Disabled CPU shutdown hack.\n");
Settings.Shutdown = FALSE;
}
// SA-1
SA1.WaitAddress = 0xffffffff;
SA1.WaitByteAddress1 = NULL;
SA1.WaitByteAddress2 = NULL;
if (Settings.SA1)
{
// Itoi Shigesato no Bass Tsuri No.1 (J)
if (match_id("ZBPJ"))
{
SA1.WaitAddress = 0x0093f1;
SA1.WaitByteAddress1 = FillRAM + 0x304a;
}
// Daisenryaku Expert WWII (J)
if (match_id("AEVJ"))
{
SA1.WaitAddress = 0x0ed18d;
SA1.WaitByteAddress1 = FillRAM + 0x3000;
}
// Derby Jockey 2 (J)
if (match_id("A2DJ"))
{
SA1.WaitAddress = 0x008b62;
}
// Dragon Ball Z - Hyper Dimension (J)
if (match_id("AZIJ"))
{
SA1.WaitAddress = 0x008083;
SA1.WaitByteAddress1 = FillRAM + 0x3020;
}
// SD Gundam G NEXT (J)
if (match_id("ZX3J"))
{
SA1.WaitAddress = 0x0087f2;
SA1.WaitByteAddress1 = FillRAM + 0x30c4;
}
// Shougi no Hanamichi (J)
if (match_id("AARJ"))
{
SA1.WaitAddress = 0xc1f85a;
SA1.WaitByteAddress1 = SRAM + 0x0c64;
SA1.WaitByteAddress2 = SRAM + 0x0c66;
}
// Asahi Shinbun Rensai Katou Hifumi Kudan Shougi Shingiryu (J)
if (match_id("A23J"))
{
SA1.WaitAddress = 0xc25037;
SA1.WaitByteAddress1 = SRAM + 0x0c06;
SA1.WaitByteAddress2 = SRAM + 0x0c08;
}
// Taikyoku Igo - Idaten (J)
if (match_id("AIIJ"))
{
SA1.WaitAddress = 0xc100be;
SA1.WaitByteAddress1 = SRAM + 0x1002;
SA1.WaitByteAddress2 = SRAM + 0x1004;
}
// Takemiya Masaki Kudan no Igo Taishou (J)
if (match_id("AITJ"))
{
SA1.WaitAddress = 0x0080b7;
}
// J. League '96 Dream Stadium (J)
if (match_id("AJ6J"))
{
SA1.WaitAddress = 0xc0f74a;
}
// Jumpin' Derby (J)
if (match_id("AJUJ"))
{
SA1.WaitAddress = 0x00d926;
}
// Kakinoki Shougi (J)
if (match_id("AKAJ"))
{
SA1.WaitAddress = 0x00f070;
}
// Hoshi no Kirby 3 (J), Kirby's Dream Land 3 (U)
if (match_id("AFJJ") || match_id("AFJE"))
{
SA1.WaitAddress = 0x0082d4;
SA1.WaitByteAddress1 = SRAM + 0x72a4;
}
// Hoshi no Kirby - Super Deluxe (J)
if (match_id("AKFJ"))
{
SA1.WaitAddress = 0x008c93;
SA1.WaitByteAddress1 = FillRAM + 0x300a;
SA1.WaitByteAddress2 = FillRAM + 0x300e;
}
// Kirby Super Star (U)
if (match_id("AKFE"))
{
SA1.WaitAddress = 0x008cb8;
SA1.WaitByteAddress1 = FillRAM + 0x300a;
SA1.WaitByteAddress2 = FillRAM + 0x300e;
}
// Super Mario RPG (J), (U)
if (match_id("ARWJ") || match_id("ARWE"))
{
SA1.WaitAddress = 0xc0816f;
SA1.WaitByteAddress1 = FillRAM + 0x3000;
}
// Marvelous (J)
if (match_id("AVRJ"))
{
SA1.WaitAddress = 0x0085f2;
SA1.WaitByteAddress1 = FillRAM + 0x3024;
}
// Harukanaru Augusta 3 - Masters New (J)
if (match_id("AO3J"))
{
SA1.WaitAddress = 0x00dddb;
SA1.WaitByteAddress1 = FillRAM + 0x37b4;
}
// Jikkyou Oshaberi Parodius (J)
if (match_id("AJOJ"))
{
SA1.WaitAddress = 0x8084e5;
}
// Super Bomberman - Panic Bomber W (J)
if (match_id("APBJ"))
{
SA1.WaitAddress = 0x00857a;
}
// Pebble Beach no Hatou New - Tournament Edition (J)
if (match_id("AONJ"))
{
SA1.WaitAddress = 0x00df33;
SA1.WaitByteAddress1 = FillRAM + 0x37b4;
}
// PGA European Tour (U)
if (match_id("AEPE"))
{
SA1.WaitAddress = 0x003700;
SA1.WaitByteAddress1 = FillRAM + 0x3102;
}
// PGA Tour 96 (U)
if (match_id("A3GE"))
{
SA1.WaitAddress = 0x003700;
SA1.WaitByteAddress1 = FillRAM + 0x3102;
}
// Power Rangers Zeo - Battle Racers (U)
if (match_id("A4RE"))
{
SA1.WaitAddress = 0x009899;
SA1.WaitByteAddress1 = FillRAM + 0x3000;
}
// SD F-1 Grand Prix (J)
if (match_id("AGFJ"))
{
SA1.WaitAddress = 0x0181bc;
}
// Saikousoku Shikou Shougi Mahjong (J)
if (match_id("ASYJ"))
{
SA1.WaitAddress = 0x00f2cc;
SA1.WaitByteAddress1 = SRAM + 0x7ffe;
SA1.WaitByteAddress2 = SRAM + 0x7ffc;
}
// Shougi Saikyou II (J)
if (match_id("AX2J"))
{
SA1.WaitAddress = 0x00d675;
}
// Mini Yonku Shining Scorpion - Let's & Go!! (J)
if (match_id("A4WJ"))
{
SA1.WaitAddress = 0xc048be;
}
// Shin Shougi Club (J)
if (match_id("AHJJ"))
{
SA1.WaitAddress = 0xc1002a;
SA1.WaitByteAddress1 = SRAM + 0x0806;
SA1.WaitByteAddress2 = SRAM + 0x0808;
}
// rest games:
// Habu Meijin no Omoshiro Shougi (J)
// Hayashi Kaihou Kudan no Igo Taidou (J)
// Shougi Saikyou (J)
// Super Robot Wars Gaiden (J)
// Super Shougi 3 - Kitaihei (J)
}
//// SRAM fixes
if (match_na("HITOMI3"))
{
SRAMSize = 1;
SRAMMask = ((1 << (SRAMSize + 3)) * 128) - 1;
}
// SRAM value fixes
if (match_na("SUPER DRIFT OUT") || // Super Drift Out
match_na("SATAN IS OUR FATHER!") ||
match_na("goemon 4")) // Ganbare Goemon Kirakira Douchuu
SNESGameFixes.SRAMInitialValue = 0x00;
// Additional game fixes by sanmaiwashi ...
// XXX: unnecessary?
if (match_na("SFX \xC5\xB2\xC4\xB6\xDE\xDD\xC0\xDE\xD1\xD3\xC9\xB6\xDE\xC0\xD8 1")) // SD Gundam Gaiden - Knight Gundam Monogatari
SNESGameFixes.SRAMInitialValue = 0x6b;
// others: BS and ST-01x games are 0x00.
//// Specific game fixes
// for ZSNES SuperFX: is it still necessary?
Settings.WinterGold = match_na("FX SKIING NINTENDO 96") || match_na("DIRT RACER");
// OAM hacks because we don't fully understand the behavior of the SNES.
// Totally wacky display in 2P mode...
// seems to need a disproven behavior, so we're definitely overlooking some other bug?
if (match_nn("UNIRACERS")) // Uniracers
{
SNESGameFixes.Uniracers = TRUE;
printf("Applied Uniracers hack.\n");
}
/*
// XXX: What's this?
if (match_na("\xBD\xB0\xCA\xDF\xB0\xCC\xA7\xD0\xBD\xC0") || // Super Famista
match_na("\xBD\xB0\xCA\xDF\xB0\xCC\xA7\xD0\xBD\xC0 2") || // Super Famista 2
match_na("GANBA LEAGUE")) // Hakunetsu Pro Yakyuu - Ganba League
SNESGameFixes.APU_OutPorts_ReturnValueFix = TRUE;
*/
}
#ifndef NGC
// IPS
// Read variable size MSB int from a file
static long ReadInt (Reader *r, unsigned nbytes)
{
long v = 0;
while (nbytes--)
{
int c = r->get_char();
if (c == EOF)
return -1;
v = (v << 8) | (c & 0xFF);
}
return (v);
}
#endif
#define IPS_EOF 0x00454F46l
#ifndef NGC
static bool8 ReadIPSPatch (Reader *r, long offset, int32 &rom_size)
{
char fname[6];
for(int i=0; i<5; i++){
int c=r->get_char();
if(c==EOF) return 0;
fname[i]=(char) c;
}
fname[5]=0;
if (strncmp (fname, "PATCH", 5) != 0)
{
return 0;
}
int32 ofs;
for (;;)
{
long len;
long rlen;
int rchar;
ofs = ReadInt (r, 3);
if (ofs == -1)
goto err_eof;
if (ofs == IPS_EOF)
break;
ofs -= offset;
len = ReadInt (r, 2);
if (len == -1)
goto err_eof;
/* Apply patch block */
if (len)
{
if (ofs + len > CMemory::MAX_ROM_SIZE)
goto err_eof;
while (len--)
{
rchar = r->get_char();
if (rchar == EOF)
goto err_eof;
Memory.ROM [ofs++] = (uint8) rchar;
}
if (ofs > rom_size)
rom_size = ofs;
}
else
{
rlen = ReadInt (r, 2);
if (rlen == -1)
goto err_eof;
rchar = r->get_char();
if (rchar == EOF)
goto err_eof;
if (ofs + rlen > CMemory::MAX_ROM_SIZE)
goto err_eof;
while (rlen--)
Memory.ROM [ofs++] = (uint8) rchar;
if (ofs > rom_size)
rom_size = ofs;
}
}
// Check if ROM image needs to be truncated
ofs = ReadInt (r, 3);
if (ofs != -1 && ofs - offset < rom_size)
{
// Need to truncate ROM image
rom_size = ofs - offset;
}
return 1;
err_eof:
return 0;
}
#endif
#ifndef NGC
static int unzFindExtension (unzFile &file, const char *ext, bool restart, bool print)
{
int port;
int l=strlen(ext);
if(restart){
port=unzGoToFirstFile(file);
} else {
port=unzGoToNextFile(file);
}
unz_file_info info;
while(port==UNZ_OK){
char name[132];
unzGetCurrentFileInfo(file, &info, name,128, NULL,0, NULL,0);
int len=strlen(name);
if(len>=l+1 && name[len-l-1]=='.' && strcasecmp(name+len-l, ext)==0 &&
unzOpenCurrentFile(file)==UNZ_OK){
if(print) printf("Using IPS patch %s", name);
return port;
}
port = unzGoToNextFile(file);
}
return port;
}
#endif
#ifndef NGC
void CMemory::CheckForIPSPatch (const char *rom_filename, bool8 header, int32 &rom_size)
{
if(Settings.NoPatch) return;
char dir [_MAX_DIR + 1];
char drive [_MAX_DRIVE + 1];
char name [_MAX_FNAME + 1];
char ext [_MAX_EXT + 1];
char ips [_MAX_EXT + 3];
char fname [_MAX_PATH + 1];
STREAM patch_file = NULL;
long offset = header ? 512 : 0;
int ret;
bool8 flag;
uint32 i;
_splitpath (rom_filename, drive, dir, name, ext);
_makepath (fname, drive, dir, name, "ips");
if ((patch_file = OPEN_STREAM (fname, "rb")))
{
printf ("Using IPS patch %s", fname);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
printf("!\n");
return;
} else printf(" failed!\n");
}
if(_MAX_EXT>6){
i=0;
flag=0;
do {
snprintf(ips, 8, "%03d.ips", i);
_makepath(fname, drive, dir, name, ips);
if(!(patch_file = OPEN_STREAM (fname, "rb"))) break;
printf ("Using IPS patch %s", fname);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
} while(++i<1000);
if(flag) return;
}
if(_MAX_EXT>3){
i=0;
flag=0;
do {
snprintf(ips, _MAX_EXT+2, "ips%d", i);
if(strlen(ips)>_MAX_EXT) break;
_makepath(fname, drive, dir, name, ips);
if(!(patch_file = OPEN_STREAM (fname, "rb"))) break;
printf ("Using IPS patch %s", fname);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
} while(++i!=0);
if(flag) return;
}
if(_MAX_EXT>2){
i=0;
flag=0;
do {
snprintf(ips, 4, "ip%d", i);
_makepath(fname, drive, dir, name, ips);
if(!(patch_file = OPEN_STREAM (fname, "rb"))) break;
printf ("Using IPS patch %s", fname);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
} while(++i<10);
if(flag) return;
}
#ifdef UNZIP_SUPPORT
if (strcasecmp(ext, "zip")==0) {
unzFile file=unzOpen(rom_filename);
if(file!=NULL){
int port=unzFindExtension(file, "ips");
while(port==UNZ_OK){
printf(" in %s", rom_filename);
ret=ReadIPSPatch(new unzReader(file), offset, rom_size);
unzCloseCurrentFile(file);
if(ret){
printf("!\n");
flag=1;
} else printf (" failed!\n");
port = unzFindExtension(file, "ips", false);
}
if(!flag){
i=0;
do {
snprintf(ips, _MAX_EXT+2, "ips%d", i);
if(strlen(ips)>_MAX_EXT) break;
if(unzFindExtension(file, ips)!=UNZ_OK) break;
printf(" in %s", rom_filename);
ret=ReadIPSPatch(new unzReader(file), offset, rom_size);
unzCloseCurrentFile(file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
if(unzFindExtension(file, ips, false, false)==UNZ_OK) printf("WARNING: Ignoring extra .%s files!\n", ips);
} while(++i!=0);
}
if(!flag){
i=0;
do {
snprintf(ips, 4, "ip%d", i);
if(unzFindExtension(file, ips)!=UNZ_OK) break;
printf(" in %s", rom_filename);
ret=ReadIPSPatch(new unzReader(file), offset, rom_size);
unzCloseCurrentFile(file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
if(unzFindExtension(file, ips, false, false)==UNZ_OK) printf("WARNING: Ignoring extra .%s files!\n", ips);
} while(++i<10);
}
assert(unzClose(file)==UNZ_OK);
if(flag) return;
}
}
#endif
const char *n;
n=S9xGetFilename(".ips", PATCH_DIR);
if((patch_file=OPEN_STREAM(n, "rb"))) {
printf("Using IPS patch %s", n);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
printf("!\n");
return;
} else printf(" failed!\n");
}
if(_MAX_EXT>6){
i=0;
flag=0;
do {
snprintf(ips, 9, ".%03d.ips", i);
n=S9xGetFilename(ips, PATCH_DIR);
if(!(patch_file = OPEN_STREAM(n, "rb"))) break;
printf ("Using IPS patch %s", n);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
} while(++i<1000);
if(flag) return;
}
if(_MAX_EXT>3){
i=0;
flag=0;
do {
snprintf(ips, _MAX_EXT+3, ".ips%d", i);
if(strlen(ips)>_MAX_EXT+1) break;
n=S9xGetFilename(ips, PATCH_DIR);
if(!(patch_file = OPEN_STREAM(n, "rb"))) break;
printf ("Using IPS patch %s", n);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
} while(++i!=0);
if(flag) return;
}
if(_MAX_EXT>2){
i=0;
flag=0;
do {
snprintf(ips, 5, ".ip%d", i);
n=S9xGetFilename(ips, PATCH_DIR);
if(!(patch_file = OPEN_STREAM(n, "rb"))) break;
printf ("Using IPS patch %s", n);
ret=ReadIPSPatch(new fReader(patch_file), offset, rom_size);
CLOSE_STREAM(patch_file);
if(ret){
flag=1;
printf("!\n");
} else {
printf(" failed!\n");
break;
}
} while(++i<10);
if(flag) return;
}
}
#endif
#undef INLINE
#define INLINE
#include "getset.h"
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