Dasko/snes9x
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snes9x/memmap.cpp

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Initial 1.52 import
2010-09-25 17:46:12 +02:00
/***********************************************************************************
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 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
Update copyright in all files
2011-04-11 21:51:20 +02:00
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
(c) Copyright 2006 - 2007 nitsuja
Update some copyrights, bump version number.
2016-10-02 03:03:03 +02:00
(c) Copyright 2009 - 2016 BearOso,
Initial 1.52 import
2010-09-25 17:46:12 +02:00
OV2
Add copyrights.
2016-10-15 18:31:26 +02:00
(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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 used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
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 emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
Add byuu copyright for his S-SMP
2016-10-07 19:47:07 +02:00
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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)
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
Update some copyrights, bump version number.
2016-10-02 03:03:03 +02:00
(c) Copyright 2004 - 2016 BearOso
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
Bump OV2 Windows port copyright.
2016-10-07 19:53:18 +02:00
(c) Copyright 2009 - 2016 OV2
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
Update copyright in all files
2011-04-11 21:51:20 +02:00
(c) Copyright 2001 - 2011 zones
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Add copyrights.
2016-10-15 18:31:26 +02:00
Libretro port
(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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 <string>
#include <numeric>
#include <assert.h>
#ifdef UNZIP_SUPPORT
Introduce --with-system-zip configure flag to use system zip (minizip) if available.
2016-11-11 17:52:07 +01:00
# ifdef SYSTEM_ZIP
# include <minizip/unzip.h>
# else
# include "unzip/unzip.h"
# endif
Initial 1.52 import
2010-09-25 17:46:12 +02:00
#endif
#ifdef JMA_SUPPORT
#include "jma/s9x-jma.h"
#endif
(libretro Android) Add Android JNI Makefile
2013-05-18 20:56:16 +02:00
#include <ctype.h>
Increase buffer size. Don't use sizeof on heap buffer (returns pointer size).
2016-11-03 20:45:20 +01:00
#include <sys/stat.h>
(libretro Android) Add Android JNI Makefile
2013-05-18 20:56:16 +02:00
Initial 1.52 import
2010-09-25 17:46:12 +02:00
#include "snes9x.h"
#include "memmap.h"
#include "apu/apu.h"
#include "fxemu.h"
#include "sdd1.h"
#include "srtc.h"
#include "controls.h"
#include "cheats.h"
#include "movie.h"
#include "display.h"
#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
static bool8 stopMovie = TRUE;
static char LastRomFilename[PATH_MAX + 1] = "";
// from NSRT
static const char *nintendo_licensees[] =
{
"Unlicensed",
"Nintendo",
"Rocket Games/Ajinomoto",
"Imagineer-Zoom",
"Gray Matter",
"Zamuse",
"Falcom",
NULL,
"Capcom",
"Hot B Co.",
"Jaleco",
"Coconuts Japan",
"Coconuts Japan/G.X.Media",
"Micronet",
"Technos",
"Mebio Software",
"Shouei System",
"Starfish",
NULL,
"Mitsui Fudosan/Dentsu",
NULL,
"Warashi Inc.",
NULL,
"Nowpro",
NULL,
"Game Village",
"IE Institute",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Banarex",
"Starfish",
"Infocom",
"Electronic Arts Japan",
NULL,
"Cobra Team",
"Human/Field",
"KOEI",
"Hudson Soft",
"S.C.P./Game Village",
"Yanoman",
NULL,
"Tecmo Products",
"Japan Glary Business",
"Forum/OpenSystem",
"Virgin Games (Japan)",
"SMDE",
"Yojigen",
NULL,
"Daikokudenki",
NULL,
NULL,
NULL,
NULL,
NULL,
"Creatures Inc.",
"TDK Deep Impresion",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Destination Software/KSS",
"Sunsoft/Tokai Engineering",
"POW (Planning Office Wada)/VR 1 Japan",
"Micro World",
NULL,
"San-X",
"Enix",
"Loriciel/Electro Brain",
"Kemco Japan",
"Seta Co.,Ltd.",
"Culture Brain",
"Irem Corp.",
"Palsoft",
"Visit Co., Ltd.",
"Intec",
"System Sacom",
"Poppo",
"Ubisoft Japan",
NULL,
"Media Works",
"NEC InterChannel",
"Tam",
"Gajin/Jordan",
"Smilesoft",
NULL,
NULL,
"Mediakite",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Viacom",
"Carrozzeria",
"Dynamic",
NULL,
"Magifact",
"Hect",
"Codemasters",
"Taito/GAGA Communications",
"Laguna",
"Telstar Fun & Games/Event/Taito",
NULL,
"Arcade Zone Ltd.",
"Entertainment International/Empire Software",
"Loriciel",
"Gremlin Graphics",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Seika Corp.",
"UBI SOFT Entertainment Software",
"Sunsoft US",
NULL,
"Life Fitness",
NULL,
"System 3",
"Spectrum Holobyte",
NULL,
"Irem",
NULL,
"Raya Systems",
"Renovation Products",
"Malibu Games",
NULL,
"Eidos/U.S. Gold",
"Playmates Interactive",
NULL,
NULL,
"Fox Interactive",
"Time Warner Interactive",
NULL,
NULL,
NULL,
NULL,
NULL,
"Disney Interactive",
NULL,
"Black Pearl",
NULL,
"Advanced Productions",
NULL,
NULL,
"GT Interactive",
"RARE",
"Crave Entertainment",
"Absolute Entertainment",
"Acclaim",
"Activision",
"American Sammy",
"Take 2/GameTek",
"Hi Tech",
"LJN Ltd.",
NULL,
"Mattel",
NULL,
"Mindscape/Red Orb Entertainment",
"Romstar",
"Taxan",
"Midway/Tradewest",
NULL,
"American Softworks Corp.",
"Majesco Sales Inc.",
"3DO",
NULL,
NULL,
"Hasbro",
"NewKidCo",
"Telegames",
"Metro3D",
NULL,
"Vatical Entertainment",
"LEGO Media",
NULL,
"Xicat Interactive",
"Cryo Interactive",
NULL,
NULL,
"Red Storm Entertainment",
"Microids",
NULL,
"Conspiracy/Swing",
"Titus",
"Virgin Interactive",
"Maxis",
NULL,
"LucasArts Entertainment",
NULL,
NULL,
"Ocean",
NULL,
"Electronic Arts",
NULL,
"Laser Beam",
NULL,
NULL,
"Elite Systems",
"Electro Brain",
"The Learning Company",
"BBC",
NULL,
"Software 2000",
NULL,
"BAM! Entertainment",
"Studio 3",
NULL,
NULL,
NULL,
"Classified Games",
NULL,
"TDK Mediactive",
NULL,
"DreamCatcher",
"JoWood Produtions",
"SEGA",
"Wannado Edition",
"LSP (Light & Shadow Prod.)",
"ITE Media",
"Infogrames",
"Interplay",
"JVC (US)",
"Parker Brothers",
NULL,
"SCI (Sales Curve Interactive)/Storm",
NULL,
NULL,
"THQ Software",
"Accolade Inc.",
"Triffix Entertainment",
NULL,
"Microprose Software",
"Universal Interactive/Sierra/Simon & Schuster",
NULL,
"Kemco",
"Rage Software",
"Encore",
NULL,
"Zoo",
"Kiddinx",
"Simon & Schuster Interactive",
"Asmik Ace Entertainment Inc./AIA",
"Empire Interactive",
NULL,
NULL,
"Jester Interactive",
NULL,
"Rockstar Games",
"Scholastic",
"Ignition Entertainment",
"Summitsoft",
"Stadlbauer",
NULL,
NULL,
NULL,
"Misawa",
"Teichiku",
"Namco Ltd.",
"LOZC",
"KOEI",
NULL,
"Tokuma Shoten Intermedia",
"Tsukuda Original",
"DATAM-Polystar",
NULL,
NULL,
"Bullet-Proof Software",
"Vic Tokai Inc.",
NULL,
"Character Soft",
"I'Max",
"Saurus",
NULL,
NULL,
"General Entertainment",
NULL,
NULL,
"I'Max",
"Success",
NULL,
"SEGA Japan",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Takara",
"Chun Soft",
"Video System Co., Ltd./McO'River",
"BEC",
NULL,
"Varie",
"Yonezawa/S'pal",
"Kaneko",
NULL,
"Victor Interactive Software/Pack-in-Video",
"Nichibutsu/Nihon Bussan",
"Tecmo",
"Imagineer",
NULL,
NULL,
"Nova",
"Den'Z",
"Bottom Up",
NULL,
"TGL (Technical Group Laboratory)",
NULL,
"Hasbro Japan",
NULL,
"Marvelous Entertainment",
NULL,
"Keynet Inc.",
"Hands-On Entertainment",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Telenet",
"Hori",
NULL,
NULL,
"Konami",
"K.Amusement Leasing Co.",
"Kawada",
"Takara",
NULL,
"Technos Japan Corp.",
"JVC (Europe/Japan)/Victor Musical Industries",
NULL,
"Toei Animation",
"Toho",
NULL,
"Namco",
"Media Rings Corp.",
"J-Wing",
NULL,
"Pioneer LDC",
"KID",
"Mediafactory",
NULL,
NULL,
NULL,
"Infogrames Hudson",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Acclaim Japan",
"ASCII Co./Nexoft",
"Bandai",
NULL,
"Enix",
NULL,
"HAL Laboratory/Halken",
"SNK",
NULL,
"Pony Canyon Hanbai",
"Culture Brain",
"Sunsoft",
"Toshiba EMI",
"Sony Imagesoft",
NULL,
"Sammy",
"Magical",
"Visco",
NULL,
"Compile",
NULL,
"MTO Inc.",
NULL,
"Sunrise Interactive",
NULL,
"Global A Entertainment",
"Fuuki",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Taito",
NULL,
"Kemco",
"Square",
"Tokuma Shoten",
"Data East",
"Tonkin House",
NULL,
"KOEI",
NULL,
"Konami/Ultra/Palcom",
"NTVIC/VAP",
"Use Co., Ltd.",
"Meldac",
"Pony Canyon (Japan)/FCI (US)",
"Angel/Sotsu Agency/Sunrise",
"Yumedia/Aroma Co., Ltd.",
NULL,
NULL,
"Boss",
"Axela/Crea-Tech",
"Sekaibunka-Sha/Sumire kobo/Marigul Management Inc.",
"Konami Computer Entertainment Osaka",
NULL,
NULL,
"Enterbrain",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Taito/Disco",
"Sofel",
"Quest Corp.",
"Sigma",
"Ask Kodansha",
NULL,
"Naxat",
"Copya System",
"Capcom Co., Ltd.",
"Banpresto",
"TOMY",
"Acclaim/LJN Japan",
NULL,
"NCS",
"Human Entertainment",
"Altron",
"Jaleco",
"Gaps Inc.",
NULL,
NULL,
NULL,
NULL,
NULL,
"Elf",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Jaleco",
NULL,
"Yutaka",
"Varie",
"T&ESoft",
"Epoch Co., Ltd.",
NULL,
"Athena",
"Asmik",
"Natsume",
"King Records",
"Atlus",
"Epic/Sony Records (Japan)",
NULL,
"IGS (Information Global Service)",
NULL,
"Chatnoir",
"Right Stuff",
NULL,
"NTT COMWARE",
NULL,
"Spike",
"Konami Computer Entertainment Tokyo",
"Alphadream Corp.",
NULL,
"Sting",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"A Wave",
"Motown Software",
"Left Field Entertainment",
"Extreme Entertainment Group",
"TecMagik",
NULL,
NULL,
NULL,
NULL,
"Cybersoft",
NULL,
"Psygnosis",
NULL,
NULL,
"Davidson/Western Tech.",
"Unlicensed",
NULL,
NULL,
NULL,
NULL,
"The Game Factory Europe",
"Hip Games",
"Aspyr",
NULL,
NULL,
"Mastiff",
"iQue",
"Digital Tainment Pool",
"XS Games",
"Daiwon",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"PCCW Japan",
NULL,
NULL,
"KiKi Co. Ltd.",
"Open Sesame Inc.",
"Sims",
"Broccoli",
"Avex",
"D3 Publisher",
NULL,
"Konami Computer Entertainment Japan",
NULL,
"Square-Enix",
"KSG",
"Micott & Basara Inc.",
NULL,
"Orbital Media",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"The Game Factory USA",
NULL,
NULL,
"Treasure",
"Aruze",
"Ertain",
"SNK Playmore",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Yojigen"
};
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);
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
static bool8 is_SufamiTurbo_BIOS (const uint8 *, uint32);
static bool8 is_SufamiTurbo_Cart (const uint8 *, uint32);
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
static bool8 is_BSCart_BIOS (const uint8 *, uint32);
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
static bool8 is_SameGame_Add_On (const uint8 *, uint32);
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
static bool8 is_BSCartSA1_BIOS(const uint8 *, uint32);
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
static bool8 is_GNEXT_Add_On (const uint8 *, uint32);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
static uint32 caCRC32 (uint8 *, uint32, uint32 crc32 = 0xffffffff);
static uint32 ReadUPSPointer (const uint8 *, unsigned &, unsigned);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
static bool8 ReadUPSPatch (Stream *, long, int32 &);
static long ReadInt (Stream *, unsigned);
static bool8 ReadIPSPatch (Stream *, long, int32 &);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
#ifdef UNZIP_SUPPORT
static int unzFindExtension (unzFile &, const char *, bool restart = TRUE, bool print = TRUE);
#endif
// deinterleave
static void S9xDeinterleaveType1 (int size, uint8 *base)
{
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
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;
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);
}
Change ZeroMemory to memset
2012-01-23 18:12:47 +01:00
memset(RAM, 0, 0x20000);
memset(SRAM, 0, 0x20000);
memset(VRAM, 0, 0x10000);
memset(ROM, 0, MAX_ROM_SIZE + 0x200 + 0x8000);
memset(IPPU.TileCache[TILE_2BIT], 0, MAX_2BIT_TILES * 64);
memset(IPPU.TileCache[TILE_4BIT], 0, MAX_4BIT_TILES * 64);
memset(IPPU.TileCache[TILE_8BIT], 0, MAX_8BIT_TILES * 64);
memset(IPPU.TileCache[TILE_2BIT_EVEN], 0, MAX_2BIT_TILES * 64);
memset(IPPU.TileCache[TILE_2BIT_ODD], 0, MAX_2BIT_TILES * 64);
memset(IPPU.TileCache[TILE_4BIT_EVEN], 0, MAX_4BIT_TILES * 64);
memset(IPPU.TileCache[TILE_4BIT_ODD], 0, MAX_4BIT_TILES * 64);
memset(IPPU.TileCached[TILE_2BIT], 0, MAX_2BIT_TILES);
memset(IPPU.TileCached[TILE_4BIT], 0, MAX_4BIT_TILES);
memset(IPPU.TileCached[TILE_8BIT], 0, MAX_8BIT_TILES);
memset(IPPU.TileCached[TILE_2BIT_EVEN], 0, MAX_2BIT_TILES);
memset(IPPU.TileCached[TILE_2BIT_ODD], 0, MAX_2BIT_TILES);
memset(IPPU.TileCached[TILE_4BIT_EVEN], 0, MAX_4BIT_TILES);
memset(IPPU.TileCached[TILE_4BIT_ODD], 0, MAX_4BIT_TILES);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
// 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
OBC1RAM = ROM + 0x400000; // OBC1
BIOSROM = ROM + 0x300000; // BS
BSRAM = ROM + 0x400000; // BS
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;
PostRomInitFunc = NULL;
return (TRUE);
}
void CMemory::Deinit (void)
{
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;
}
}
Safe(NULL);
SafeANK(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);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
static bool8 is_SufamiTurbo_BIOS (const uint8 *data, uint32 size)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
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);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
static bool8 is_SufamiTurbo_Cart (const uint8 *data, uint32 size)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
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);
}
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
static bool8 is_BSCart_BIOS(const uint8 *data, uint32 size)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
if ((data[0x7FB2] == 0x5A) && (data[0x7FB5] != 0x20) && (data[0x7FDA] == 0x33))
{
Memory.LoROM = TRUE;
Memory.HiROM = FALSE;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
return (TRUE);
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
}
else if ((data[0xFFB2] == 0x5A) && (data[0xFFB5] != 0x20) && (data[0xFFDA] == 0x33))
{
Memory.LoROM = FALSE;
Memory.HiROM = TRUE;
return (TRUE);
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
else
return (FALSE);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
static bool8 is_SameGame_Add_On (const uint8 *data, uint32 size)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
if (size == 0x80000)
return (TRUE);
else
return (FALSE);
}
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
static bool8 is_BSCartSA1_BIOS (const uint8 *data, uint32 size)
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
{
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
//Same basic check as BSCart
if (!is_BSCart_BIOS(data, size))
return (FALSE);
//Checks if the game is Itoi's Bass Fishing No. 1 (ZBPJ) or SD Gundam G-NEXT (ZX3J)
if (strncmp((char *)(data + 0x7fb2), "ZBPJ", 4) == 0 || strncmp((char *)(data + 0x7fb2), "ZX3J", 4) == 0)
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
return (TRUE);
else
return (FALSE);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
static bool8 is_GNEXT_Add_On (const uint8 *data, uint32 size)
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
{
if (size == 0x80000)
return (TRUE);
else
return (FALSE);
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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);
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
uint32 CMemory::HeaderRemove (uint32 size, uint8 *buf)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
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);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
HeaderCount++;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
size -= 512;
}
return (size);
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
uint32 CMemory::FileLoader (uint8 *buffer, const char *filename, uint32 maxsize)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
// <- ROM size without header
// ** Memory.HeaderCount
// ** Memory.ROMFilename
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
uint32 totalSize = 0;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
char fname[PATH_MAX + 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
memset(NSRTHeader, 0, sizeof(NSRTHeader));
HeaderCount = 0;
_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
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (!LoadZip(fname, &totalSize, buffer))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
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);
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
totalSize = HeaderRemove(size, buffer);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
size = HeaderRemove(size, ptr);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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;
}
}
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);
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
bool8 CMemory::LoadROMMem (const uint8 *source, uint32 sourceSize)
{
if(!source || sourceSize > MAX_ROM_SIZE)
return FALSE;
strcpy(ROMFilename,"MemoryROM");
do
{
memset(ROM,0, MAX_ROM_SIZE);
Fix infinite loop when given bad ROMs (one byte files, for example); fix compile error that somehow snuck in.
2013-08-14 10:05:15 +02:00
memset(&Multi, 0,sizeof(Multi));
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
memcpy(ROM,source,sourceSize);
}
while(!LoadROMInt(sourceSize));
return TRUE;
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
bool8 CMemory::LoadROM (const char *filename)
{
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if(!filename || !*filename)
return FALSE;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
int32 totalFileSize;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
do
{
memset(ROM,0, MAX_ROM_SIZE);
Fix infinite loop when given bad ROMs (one byte files, for example); fix compile error that somehow snuck in.
2013-08-14 10:05:15 +02:00
memset(&Multi, 0,sizeof(Multi));
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
totalFileSize = FileLoader(ROM, filename, MAX_ROM_SIZE);
if (!totalFileSize)
Fix infinite loop when given bad ROMs (one byte files, for example); fix compile error that somehow snuck in.
2013-08-14 10:05:15 +02:00
return (FALSE);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (!Settings.NoPatch)
Fix infinite loop when given bad ROMs (one byte files, for example); fix compile error that somehow snuck in.
2013-08-14 10:05:15 +02:00
CheckForAnyPatch(filename, HeaderCount != 0, totalFileSize);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
}
while(!LoadROMInt(totalFileSize));
return TRUE;
}
bool8 CMemory::LoadROMInt (int32 ROMfillSize)
{
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Settings.DisplayColor = BUILD_PIXEL(31, 31, 31);
SET_UI_COLOR(255, 255, 255);
CalculatedSize = 0;
ExtendedFormat = NOPE;
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)))
{
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
memmove(ROM, ROM + 512, ROMfillSize - 512);
ROMfillSize -= 512;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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);
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
CalculatedSize = (ROMfillSize / 0x2000) * 0x2000;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (CalculatedSize > 0x400000 &&
G-NEXT combined image support
2011-07-20 14:03:03 +02:00
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x3423 && // exclude SA-1
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x3523 &&
Initial 1.52 import
2010-09-25 17:46:12 +02:00
(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 interleaved LoROM
if (ExtendedFormat == NOPE &&
((ROM[0x7ffc] + (ROM[0x7ffd] << 8)) < 0x8000) &&
((ROM[0xfffc] + (ROM[0xfffd] << 8)) < 0x8000))
{
if (!Settings.ForceInterleaved && !Settings.ForceNotInterleaved)
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
S9xDeinterleaveType1(ROMfillSize, ROM);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
}
// 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 || Settings.ForceInterleaveGD24;
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)))
{
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
S9xMessage(S9X_INFO, S9X_ROM_CONFUSING_FORMAT_INFO, "ROM lied about its type! Trying again.");
Settings.ForceNotInterleaved = TRUE;
Settings.ForceInterleaved = FALSE;
return (FALSE);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
}
}
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);
}
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (strncmp(LastRomFilename, ROMFilename, PATH_MAX + 1))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
strncpy(LastRomFilename, ROMFilename, PATH_MAX + 1);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
LastRomFilename[PATH_MAX] = 0;
}
Change ZeroMemory to memset
2012-01-23 18:12:47 +01:00
memset(&SNESGameFixes, 0, sizeof(SNESGameFixes));
Initial 1.52 import
2010-09-25 17:46:12 +02:00
SNESGameFixes.SRAMInitialValue = 0x60;
S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR));
InitROM();
S9xInitCheatData();
S9xApplyCheats();
S9xReset();
return (TRUE);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
bool8 CMemory::LoadMultiCartMem (const uint8 *sourceA, uint32 sourceASize,
const uint8 *sourceB, uint32 sourceBSize,
const uint8 *bios, uint32 biosSize)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
uint32 offset = 0;
Remove ZeroMemory references from memstream merge
2012-03-28 21:10:40 +02:00
memset(ROM, 0, MAX_ROM_SIZE);
memset(&Multi, 0, sizeof(Multi));
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if(bios) {
if(!is_SufamiTurbo_BIOS(bios,biosSize))
return FALSE;
memcpy(ROM,bios,biosSize);
offset+=biosSize;
}
if(sourceA) {
memcpy(ROM + offset,sourceA,sourceASize);
Multi.cartOffsetA = offset;
Multi.cartSizeA = sourceASize;
offset += sourceASize;
strcpy(Multi.fileNameA,"MemCartA");
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if(sourceB) {
memcpy(ROM + offset,sourceB,sourceBSize);
Multi.cartOffsetB = offset;
Multi.cartSizeB = sourceBSize;
offset += sourceBSize;
strcpy(Multi.fileNameB,"MemCartB");
}
return LoadMultiCartInt();
}
bool8 CMemory::LoadMultiCart (const char *cartA, const char *cartB)
{
Remove ZeroMemory references from memstream merge
2012-03-28 21:10:40 +02:00
memset(ROM, 0, MAX_ROM_SIZE);
memset(&Multi, 0, sizeof(Multi));
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Settings.DisplayColor = BUILD_PIXEL(31, 31, 31);
SET_UI_COLOR(255, 255, 255);
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (cartB && cartB[0])
Multi.cartSizeB = FileLoader(ROM, cartB, MAX_ROM_SIZE);
if (Multi.cartSizeB) {
strcpy(Multi.fileNameB, cartB);
if(!Settings.NoPatch)
CheckForAnyPatch(cartB, HeaderCount != 0, Multi.cartSizeB);
Multi.cartOffsetB = 0x400000;
memcpy(ROM + Multi.cartOffsetB,ROM,Multi.cartSizeB);
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (cartA && cartA[0])
Multi.cartSizeA = FileLoader(ROM, cartA, MAX_ROM_SIZE);
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (Multi.cartSizeA) {
strcpy(Multi.fileNameA, cartA);
if(!Settings.NoPatch)
CheckForAnyPatch(cartA, HeaderCount != 0, Multi.cartSizeA);
}
return LoadMultiCartInt();
}
bool8 CMemory::LoadMultiCartInt ()
{
bool8 r = TRUE;
CalculatedSize = 0;
ExtendedFormat = NOPE;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (Multi.cartSizeA)
{
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (is_SufamiTurbo_Cart(ROM + Multi.cartOffsetA, Multi.cartSizeA))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Multi.cartType = 4;
else
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
if (is_BSCartSA1_BIOS(ROM + Multi.cartOffsetA, Multi.cartSizeA))
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
Multi.cartType = 5;
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
else
if (is_BSCart_BIOS(ROM + Multi.cartOffsetA, Multi.cartSizeA))
Circuit USA timing hack.
2017-05-21 23:33:17 +02:00
Multi.cartType = 3;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
}
else
if (Multi.cartSizeB)
{
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (is_SufamiTurbo_Cart(ROM + Multi.cartOffsetB, Multi.cartSizeB))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Multi.cartType = 4;
}
else
Multi.cartType = 4; // assuming BIOS only
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if(Multi.cartType == 4 && Multi.cartOffsetA == 0) { // try to load bios from file
Multi.cartOffsetA = 0x40000;
if(Multi.cartSizeA)
Fix multicart loading with only one cart
2016-10-07 21:40:17 +02:00
memmove(ROM + Multi.cartOffsetA, ROM, Multi.cartSizeA + Multi.cartSizeB);
else if(Multi.cartOffsetB) // clear cart A so the bios can detect that it's not present
memset(ROM, 0, Multi.cartOffsetB);
Increase buffer size. Don't use sizeof on heap buffer (returns pointer size).
2016-11-03 20:45:20 +01:00
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
FILE *fp;
size_t size;
char path[PATH_MAX + 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);
strcpy(ROMFilename, path);
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
switch (Multi.cartType)
{
case 4:
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
r = LoadSufamiTurbo();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
break;
case 3:
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
case 5:
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
r = LoadBSCart();
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
break;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
default:
r = FALSE;
}
if (!r)
{
Change ZeroMemory to memset
2012-01-23 18:12:47 +01:00
memset(&Multi, 0, sizeof(Multi));
Initial 1.52 import
2010-09-25 17:46:12 +02:00
return (FALSE);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (Multi.cartSizeA)
strcpy(ROMFilename, Multi.fileNameA);
else
if (Multi.cartSizeB)
strcpy(ROMFilename, Multi.fileNameB);
Remove ZeroMemory references from memstream merge
2012-03-28 21:10:40 +02:00
memset(&SNESGameFixes, 0, sizeof(SNESGameFixes));
Initial 1.52 import
2010-09-25 17:46:12 +02:00
SNESGameFixes.SRAMInitialValue = 0x60;
S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR));
InitROM();
S9xInitCheatData();
S9xApplyCheats();
S9xReset();
return (TRUE);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
bool8 CMemory::LoadSufamiTurbo ()
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
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;
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (Multi.cartSizeB)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
if (!is_SufamiTurbo_Cart(ROM + Multi.cartOffsetB, Multi.cartSizeB))
Multi.cartSizeB = 0;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
}
if (Multi.cartSizeB)
{
Multi.sramSizeB = 4; // ROM[0x37]?
Multi.sramMaskB = Multi.sramSizeB ? ((1 << (Multi.sramSizeB + 3)) * 128 - 1) : 0;
}
LoROM = TRUE;
HiROM = FALSE;
CalculatedSize = 0x40000;
return (TRUE);
}
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
bool8 CMemory::LoadBSCart ()
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
Multi.sramA = SRAM;
Multi.sramB = NULL;
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
if (LoROM)
Multi.sramSizeA = ROM[0x7fd8];
else
Multi.sramSizeA = ROM[0xffd8];
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Multi.sramMaskA = Multi.sramSizeA ? ((1 << (Multi.sramSizeA + 3)) * 128 - 1) : 0;
Multi.sramSizeB = 0;
Multi.sramMaskB = 0;
CalculatedSize = Multi.cartSizeA;
[BS-X] Making sure there's enough space in ROM memory, simple precaution
2016-11-24 03:28:05 +01:00
if (Multi.cartSizeB == 0 && Multi.cartSizeA <= (MAX_ROM_SIZE - 0x100000 - Multi.cartOffsetA))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
[BS-X] Make Empty Memory Pack if loaded from Multi Cart menu (This is a conscious choice. It means no empty Memory Pack will be made if loaded like a regular ROM, which is fine.)
2016-11-24 03:19:36 +01:00
//Initialize 1MB Empty Memory Pack only if cart B is cleared
//It does not make a Memory Pack if game is loaded like a normal ROM
[BS-X] Making sure there's enough space in ROM memory, simple precaution
2016-11-24 03:28:05 +01:00
Multi.cartOffsetB = Multi.cartOffsetA + CalculatedSize;
[BS-X] Make Empty Memory Pack if loaded from Multi Cart menu (This is a conscious choice. It means no empty Memory Pack will be made if loaded like a regular ROM, which is fine.)
2016-11-24 03:19:36 +01:00
Multi.cartSizeB = 0x100000;
memset(Memory.ROM + Multi.cartOffsetB, 0xFF, 0x100000);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
}
return (TRUE);
}
Add multicart memory function, add sufami turbo to libsnes
2012-01-06 20:13:16 +01:00
bool8 CMemory::LoadGNEXT ()
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
{
Multi.sramA = SRAM;
Multi.sramB = NULL;
Multi.sramSizeA = ROM[0x7fd8];
Multi.sramMaskA = Multi.sramSizeA ? ((1 << (Multi.sramSizeA + 3)) * 128 - 1) : 0;
Multi.sramSizeB = 0;
Multi.sramMaskB = 0;
if (Multi.cartSizeB)
{
if (!is_GNEXT_Add_On(ROM + Multi.cartOffsetB, Multi.cartSizeB))
Multi.cartSizeB = 0;
}
LoROM = TRUE;
HiROM = FALSE;
CalculatedSize = Multi.cartSizeA;
return (TRUE);
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
bool8 CMemory::LoadSRTC (void)
{
FILE *fp;
size_t ignore;
fp = fopen(S9xGetFilename(".rtc", SRAM_DIR), "rb");
if (!fp)
return (FALSE);
ignore = fread(RTCData.reg, 1, 20, fp);
fclose(fp);
return (TRUE);
}
bool8 CMemory::SaveSRTC (void)
{
FILE *fp;
size_t ignore;
fp = fopen(S9xGetFilename(".rtc", SRAM_DIR), "wb");
if (!fp)
return (FALSE);
ignore = fwrite(RTCData.reg, 1, 20, fp);
fclose(fp);
return (TRUE);
}
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)
{
FILE *file;
int size, len;
char sramName[PATH_MAX + 1];
strcpy(sramName, filename);
ClearSRAM();
if (Multi.cartType && Multi.sramSizeB)
{
char temp[PATH_MAX + 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 (Settings.SRTC || Settings.SPC7110RTC)
LoadSRTC();
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[PATH_MAX + 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.");
return (TRUE);
}
else
{
S9xMessage(S9X_INFO, S9X_ROM_INFO, "The SRAM file wasn't found, BS-X.srm wasn't found either.");
return (FALSE);
}
}
return (FALSE);
}
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[PATH_MAX + 1];
strcpy(sramName, filename);
if (Multi.cartType && Multi.sramSizeB)
{
char name[PATH_MAX + 1], temp[PATH_MAX + 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)
{
size_t ignore;
ignore = fwrite((char *) Multi.sramB, size, 1, file);
fclose(file);
}
strcpy(ROMFilename, temp);
}
size = SRAMSize ? (1 << (SRAMSize + 3)) * 128 : 0;
if (size > 0x20000)
size = 0x20000;
if (size)
{
file = fopen(sramName, "wb");
if (file)
{
size_t ignore;
ignore = fwrite((char *) SRAM, size, 1, file);
fclose(file);
if (Settings.SRTC || Settings.SPC7110RTC)
SaveSRTC();
return (TRUE);
}
}
return (FALSE);
}
[BS-X] Save Memory Pack option (Windows)
2016-11-23 23:38:21 +01:00
bool8 CMemory::SaveMPAK (const char *filename)
{
if (Settings.BS || (Multi.cartSizeB && (Multi.cartType == 3)))
{
FILE *file;
int size;
char mempakName[PATH_MAX + 1];
strcpy(mempakName, filename);
size = 0x100000;
if (size)
{
file = fopen(mempakName, "wb");
if (file)
{
size_t ignore;
ignore = fwrite((char *)Memory.ROM + Multi.cartOffsetB, size, 1, file);
fclose(file);
return (TRUE);
}
}
}
return (FALSE);
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
// 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)
CompanyId = ((RomHeader[0x2A] >> 4) & 0x0F) * 36 + (RomHeader[0x2A] & 0x0F);
else
if (isalnum(RomHeader[0x00]) && isalnum(RomHeader[0x01]))
{
int l, r, l2, r2;
l = toupper(RomHeader[0x00]);
r = toupper(RomHeader[0x01]);
l2 = (l > '9') ? l - '7' : l - '0';
r2 = (r > '9') ? r - '7' : r - '0';
CompanyId = l2 * 36 + r2;
}
}
void CMemory::InitROM (void)
{
Settings.SuperFX = FALSE;
Settings.DSP = 0;
Settings.SA1 = FALSE;
Settings.C4 = FALSE;
Settings.SDD1 = FALSE;
Settings.SPC7110 = FALSE;
Settings.SPC7110RTC = FALSE;
Settings.OBC1 = FALSE;
Settings.SETA = 0;
Settings.SRTC = FALSE;
Settings.BS = FALSE;
Begin adding MSU-1 support. Data streaming is working in Windows, audio streaming is not.
2016-11-03 19:40:47 +01:00
Settings.MSU1 = FALSE;
Clean things up slightly. Switch CYCLE_ACCURATE off, since things seem to work fine without it.
2011-06-23 12:24:13 +02:00
Initial 1.52 import
2010-09-25 17:46:12 +02:00
SuperFX.nRomBanks = CalculatedSize >> 15;
//// Parse ROM header and read ROM informatoin
CompanyId = -1;
memset(ROMId, 0, 5);
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
if (ROMType == 0x03)
{
if (ROMSpeed == 0x30)
Settings.DSP = 4; // DSP4
else
Settings.DSP = 1; // DSP1
}
else
if (ROMType == 0x05)
{
if (ROMSpeed == 0x20)
Settings.DSP = 2; // DSP2
else
if (ROMSpeed == 0x30 && RomHeader[0x2a] == 0xb2)
Settings.DSP = 3; // DSP3
else
Settings.DSP = 1; // DSP1
}
switch (Settings.DSP)
{
case 1: // DSP1
if (HiROM)
{
DSP0.boundary = 0x7000;
DSP0.maptype = M_DSP1_HIROM;
}
else
if (CalculatedSize > 0x100000)
{
DSP0.boundary = 0x4000;
DSP0.maptype = M_DSP1_LOROM_L;
}
else
{
DSP0.boundary = 0xc000;
DSP0.maptype = M_DSP1_LOROM_S;
}
SetDSP = &DSP1SetByte;
GetDSP = &DSP1GetByte;
break;
case 2: // DSP2
DSP0.boundary = 0x10000;
DSP0.maptype = M_DSP2_LOROM;
SetDSP = &DSP2SetByte;
GetDSP = &DSP2GetByte;
break;
case 3: // DSP3
DSP0.boundary = 0xc000;
DSP0.maptype = M_DSP3_LOROM;
SetDSP = &DSP3SetByte;
GetDSP = &DSP3GetByte;
break;
case 4: // DSP4
DSP0.boundary = 0xc000;
DSP0.maptype = M_DSP4_LOROM;
SetDSP = &DSP4SetByte;
GetDSP = &DSP4GetByte;
break;
default:
SetDSP = NULL;
GetDSP = NULL;
break;
}
uint32 identifier = ((ROMType & 0xff) << 8) + (ROMSpeed & 0xff);
switch (identifier)
{
// SRTC
case 0x5535:
Settings.SRTC = TRUE;
S9xInitSRTC();
break;
// SPC7110
case 0xF93A:
Settings.SPC7110RTC = TRUE;
case 0xF53A:
Settings.SPC7110 = TRUE;
S9xInitSPC7110();
break;
// OBC1
case 0x2530:
Settings.OBC1 = TRUE;
break;
// SA1
case 0x3423:
case 0x3523:
Settings.SA1 = TRUE;
break;
// SuperFX
case 0x1320:
case 0x1420:
case 0x1520:
case 0x1A20:
Settings.SuperFX = TRUE;
S9xInitSuperFX();
if (ROM[0x7FDA] == 0x33)
SRAMSize = ROM[0x7FBD];
else
SRAMSize = 5;
break;
// SDD1
case 0x4332:
case 0x4532:
Settings.SDD1 = TRUE;
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 = TRUE;
break;
}
Begin adding MSU-1 support. Data streaming is working in Windows, audio streaming is not.
2016-11-03 19:40:47 +01:00
// MSU1
Unload MSU-1 files on reset
2016-12-07 06:19:23 +01:00
Settings.MSU1 = S9xMSU1ROMExists();
Begin adding MSU-1 support. Data streaming is working in Windows, audio streaming is not.
2016-11-03 19:40:47 +01:00
Initial 1.52 import
2010-09-25 17:46:12 +02:00
//// 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)
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
Map_BSCartHiROMMap();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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)
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
{
if (Multi.cartType == 5)
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
Map_BSSA1LoROMMap();
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
else
Map_SA1LoROMMap();
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
else
if (Settings.SDD1)
Map_SDD1LoROMMap();
else
if (ExtendedFormat != NOPE)
Map_JumboLoROMMap();
else
if (strncmp(ROMName, "WANDERERS FROM YS", 17) == 0)
Map_NoMAD1LoROMMap();
else
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
if (Multi.cartType == 3)
if (strncmp(ROMName, "SOUND NOVEL-TCOOL", 17) == 0 ||
strncmp(ROMName, "DERBY STALLION 96", 17) == 0)
Map_BSCartLoROMMap(1);
else
Map_BSCartLoROMMap(0);
else
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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;
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)))
{
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);
}
//// 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 the CPU is halted (i.e. for DMA) while /NMI goes low, the NMI will trigger
after the DMA completes (even if /NMI goes high again before the DMA
completes). In this case, there is a 24-30 cycle delay between the end of DMA
and the NMI handler, time enough for an instruction or two. */
// Wild Guns, Mighty Morphin Power Rangers - The Fighting Edition
Timings.NMIDMADelay = 24;
Timings.IRQPendCount = 0;
IPPU.TotalEmulatedFrames = 0;
//// 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(String, "\"%s\" [%s] %s, %s, %s, %s, SRAM:%s, ID:%s, CRC32:%08X",
displayName, isChecksumOK ? "checksum ok" : ((Multi.cartType == 4) ? "no checksum" : "bad checksum"),
MapType(), Size(), KartContents(), Settings.PAL ? "PAL" : "NTSC", StaticRAMSize(), ROMId, ROMCRC32);
S9xMessage(S9X_INFO, S9X_ROM_INFO, String);
Settings.ForceLoROM = FALSE;
Settings.ForceHiROM = FALSE;
Settings.ForceHeader = FALSE;
Settings.ForceNoHeader = FALSE;
Settings.ForceInterleaved = FALSE;
Settings.ForceInterleaved2 = FALSE;
Settings.ForceInterleaveGD24 = FALSE;
Settings.ForceNotInterleaved = FALSE;
Settings.ForcePAL = FALSE;
Settings.ForceNTSC = FALSE;
Settings.TakeScreenshot = FALSE;
if (stopMovie)
S9xMovieStop(TRUE);
if (PostRomInitFunc)
PostRomInitFunc();
S9xVerifyControllers();
}
// 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)
{
Attempt to fix RAM mapping for Light Fantasy.
2017-05-27 22:55:39 +02:00
uint32 hi;
if (ROMSize >= 10)
hi = 0xffff;
else
hi = 0x7fff;
map_index(0x70, 0x7f, 0x0000, hi, MAP_LOROM_SRAM, MAP_TYPE_RAM);
map_index(0xf0, 0xff, 0x0000, hi, MAP_LOROM_SRAM, MAP_TYPE_RAM);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
}
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 (DSP0.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.DSP)
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);
Fix MMC bank register bit 7, restore 64mbit ExLoRom map (FuSoYa)
2013-01-25 21:16:30 +01:00
map_lorom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize - 0x600000, 0x600000);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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;
}
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
void CMemory::Map_BSSA1LoROMMap(void)
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
{
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
printf("Map_BSSA1LoROMMap\n");
G-NEXT add-on cart support (untested)
2011-07-18 15:11:30 +02:00
map_System();
map_lorom_offset(0x00, 0x3f, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_lorom_offset(0x80, 0xbf, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA);
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;
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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.DSP)
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_SPC7110HiROMMap (void)
{
printf("Map_SPC7110HiROMMap\n");
map_System();
map_index(0x00, 0x00, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM);
Clean things up slightly. Switch CYCLE_ACCURATE off, since things seem to work fine without it.
2011-06-23 12:24:13 +02:00
map_hirom(0x00, 0x0f, 0x8000, 0xffff, CalculatedSize);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
map_index(0x30, 0x30, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM);
map_index(0x50, 0x50, 0x0000, 0xffff, MAP_SPC7110_DRAM, MAP_TYPE_ROM);
map_hirom(0x80, 0x8f, 0x8000, 0xffff, CalculatedSize);
map_hirom_offset(0xc0, 0xcf, 0x0000, 0xffff, CalculatedSize, 0);
map_index(0xd0, 0xff, 0x0000, 0xffff, MAP_SPC7110_ROM, MAP_TYPE_ROM);
map_WRAM();
map_WriteProtectROM();
}
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
void CMemory::Map_BSCartLoROMMap(uint8 mapping)
{
printf("Map_BSCartLoROMMap\n");
BSX.MMC[0x02] = 0x00;
BSX.MMC[0x0C] = 0x80;
map_System();
if (mapping)
{
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);
}
else
{
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
map_lorom(0x40, 0x7f, 0x0000, 0x7fff, CalculatedSize);
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
map_lorom(0xc0, 0xff, 0x0000, 0x7fff, CalculatedSize);
}
map_LoROMSRAM();
[BS-X] Read/Write Memory Pack Fixes
2016-11-14 20:28:32 +01:00
map_index(0xc0, 0xef, 0x0000, 0xffff, MAP_BSX, MAP_TYPE_RAM);
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
map_WRAM();
map_WriteProtectROM();
}
void CMemory::Map_BSCartHiROMMap(void)
{
printf("Map_BSCartHiROMMap\n");
BSX.MMC[0x02] = 0x80;
BSX.MMC[0x0C] = 0x80;
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);
if ((ROM[Multi.cartOffsetB + 0xFF00] == 0x4D)
&& (ROM[Multi.cartOffsetB + 0xFF02] == 0x50)
&& ((ROM[Multi.cartOffsetB + 0xFF06] & 0xF0) == 0x70))
{
//Type 7 Memory Pack detection - if detected, emulate it as Mask ROM
map_hirom_offset(0xe0, 0xff, 0x0000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB);
}
else
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
{
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
map_index(0xe0, 0xff, 0x0000, 0xffff, MAP_BSX, MAP_TYPE_RAM);
[BS-X] Rename and proper SA-1 Memory Pack mapping
2016-11-23 21:27:18 +01:00
}
[BS-X] MultiCart Loading for games with Memory Pack support I found out that my code only really works with HiROM games. Maker games have issues since sx2 fork.
2016-11-14 16:32:05 +01:00
map_HiROMSRAM();
map_WRAM();
map_WriteProtectROM();
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
// 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
Fix infinite loop when given bad ROMs (one byte files, for example); fix compile error that somehow snuck in.
2013-08-14 10:05:15 +02:00
while (!(length & mask) && mask)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
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::MapType (void)
{
return (HiROM ? ((ExtendedFormat != NOPE) ? "ExHiROM": "HiROM") : "LoROM");
}
const char * CMemory::StaticRAMSize (void)
{
static char str[20];
if (SRAMSize > 16)
strcpy(str, "Corrupt");
else
sprintf(str, "%dKbits", 8 * (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[64];
static const char *contents[3] = { "ROM", "ROM+RAM", "ROM+RAM+BAT" };
Begin adding MSU-1 support. Data streaming is working in Windows, audio streaming is not.
2016-11-03 19:40:47 +01:00
char chip[20];
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ROMType == 0 && !Settings.BS)
return ("ROM");
if (Settings.BS)
strcpy(chip, "+BS");
else
if (Settings.SuperFX)
strcpy(chip, "+Super FX");
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.DSP)
sprintf(chip, "+DSP-%d", Settings.DSP);
else
strcpy(chip, "");
Begin adding MSU-1 support. Data streaming is working in Windows, audio streaming is not.
2016-11-03 19:40:47 +01:00
if (Settings.MSU1)
sprintf(chip + strlen(chip), "+MSU-1");
Initial 1.52 import
2010-09-25 17:46:12 +02:00
sprintf(str, "%s%s", contents[(ROMType & 0xf) % 3], chip);
return (str);
}
const char * CMemory::Country (void)
{
switch (ROMRegion)
{
case 0: return("Japan");
case 1: return("USA and Canada");
case 2: return("Oceania, Europe and Asia");
case 3: return("Sweden");
case 4: return("Finland");
case 5: return("Denmark");
case 6: return("France");
case 7: return("Holland");
case 8: return("Spain");
case 9: return("Germany, Austria and Switzerland");
case 10: return("Italy");
case 11: return("Hong Kong and China");
case 12: return("Indonesia");
case 13: return("South Korea");
default: return("Unknown");
}
}
const char * CMemory::PublishingCompany (void)
{
if (CompanyId >= (int) (sizeof(nintendo_licensees) / sizeof(nintendo_licensees[0])) || CompanyId < 0)
return ("Unknown");
if (nintendo_licensees[CompanyId] == NULL)
return ("Unknown");
return (nintendo_licensees[CompanyId]);
}
void CMemory::MakeRomInfoText (char *romtext)
{
char temp[256];
romtext[0] = 0;
sprintf(temp, " Cart Name: %s", ROMName);
strcat(romtext, temp);
sprintf(temp, "\n Game Code: %s", ROMId);
strcat(romtext, temp);
sprintf(temp, "\n Contents: %s", KartContents());
strcat(romtext, temp);
sprintf(temp, "\n Map: %s", MapType());
strcat(romtext, temp);
sprintf(temp, "\n Speed: 0x%02X (%s)", ROMSpeed, (ROMSpeed & 0x10) ? "FastROM" : "SlowROM");
strcat(romtext, temp);
sprintf(temp, "\n Type: 0x%02X", ROMType);
strcat(romtext, temp);
sprintf(temp, "\n Size (calculated): %dMbits", CalculatedSize / 0x20000);
strcat(romtext, temp);
sprintf(temp, "\n Size (header): %s", Size());
strcat(romtext, temp);
sprintf(temp, "\n SRAM size: %s", StaticRAMSize());
strcat(romtext, temp);
sprintf(temp, "\nChecksum (calculated): 0x%04X", CalculatedChecksum);
strcat(romtext, temp);
sprintf(temp, "\n Checksum (header): 0x%04X", ROMChecksum);
strcat(romtext, temp);
sprintf(temp, "\n Complement (header): 0x%04X", ROMComplementChecksum);
strcat(romtext, temp);
sprintf(temp, "\n Video Output: %s", (ROMRegion > 12 || ROMRegion < 2) ? "NTSC 60Hz" : "PAL 50Hz");
strcat(romtext, temp);
sprintf(temp, "\n Revision: %s", Revision());
strcat(romtext, temp);
sprintf(temp, "\n Licensee: %s", PublishingCompany());
strcat(romtext, temp);
sprintf(temp, "\n Region: %s", Country());
strcat(romtext, temp);
sprintf(temp, "\n CRC32: 0x%08X", ROMCRC32);
strcat(romtext, temp);
}
// 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)
{
Settings.BlockInvalidVRAMAccess = Settings.BlockInvalidVRAMAccessMaster;
//// Warnings
// 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 :(
Timings.APUSpeedup = 0;
if (!Settings.DisableGameSpecificHacks)
{
if (match_id("AVCJ")) // Rendering Ranger R2
Clean things up slightly. Switch CYCLE_ACCURATE off, since things seem to work fine without it.
2011-06-23 12:24:13 +02:00
Timings.APUSpeedup = 2;
Circuit USA timing hack.
2017-05-21 23:33:17 +02:00
if (match_na("CIRCUIT USA"))
Timings.APUSpeedup = 2;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Clean things up slightly. Switch CYCLE_ACCURATE off, since things seem to work fine without it.
2011-06-23 12:24:13 +02:00
/* if (match_na("GAIA GENSOUKI 1 JPN") || // Gaia Gensouki
Initial 1.52 import
2010-09-25 17:46:12 +02:00
match_id("JG ") || // Illusion of Gaia
match_id("CQ ") || // Stunt Race FX
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!
Clean things up slightly. Switch CYCLE_ACCURATE off, since things seem to work fine without it.
2011-06-23 12:24:13 +02:00
Timings.APUSpeedup = 1; */
Initial 1.52 import
2010-09-25 17:46:12 +02:00
}
S9xAPUTimingSetSpeedup(Timings.APUSpeedup);
//// Other timing hacks :(
Timings.HDMAStart = SNES_HDMA_START_HC + Settings.HDMATimingHack - 100;
Timings.HBlankStart = SNES_HBLANK_START_HC + Timings.HDMAStart - SNES_HDMA_START_HC;
Rewrite IRQ / Update SA-1 / Remove CPUShutdown
2010-11-14 13:29:48 +01:00
Timings.IRQTriggerCycles = 10;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (!Settings.DisableGameSpecificHacks)
{
// 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);
}
}
if (!Settings.DisableGameSpecificHacks)
{
// An infinite loop reads $4212 and waits V-blank end, whereas VIRQ is set V=0.
// If Snes9x succeeds to escape from the loop before jumping into the IRQ handler, the game goes further.
// If Snes9x jumps into the IRQ handler before escaping from the loop,
// Snes9x cannot escape from the loop permanently because the RTI is in the next V-blank.
if (match_na("Aero the AcroBat 2"))
{
Timings.IRQPendCount = 2;
printf("IRQ count hack: %d\n", Timings.IRQPendCount);
}
}
if (!Settings.DisableGameSpecificHacks)
{
// XXX: What's happening?
if (match_na("X-MEN")) // Spider-Man and the X-Men
{
Settings.BlockInvalidVRAMAccess = FALSE;
printf("Invalid VRAM access hack\n");
}
}
//// SRAM initial value
if (!Settings.DisableGameSpecificHacks)
{
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.
}
//// OAM hacks :(
if (!Settings.DisableGameSpecificHacks)
{
// 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");
}
}
}
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
// BPS % UPS % IPS
Initial 1.52 import
2010-09-25 17:46:12 +02:00
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
// number decoding used for both BPS and UPS
static uint32 XPSdecode (const uint8 *data, unsigned &addr, unsigned size)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
uint32 offset = 0, shift = 1;
while(addr < size) {
uint8 x = data[addr++];
offset += (x & 0x7f) * shift;
if(x & 0x80) break;
shift <<= 7;
offset += shift;
}
return offset;
}
//NOTE: UPS patches are *never* created against a headered ROM!
//this is per the UPS file specification. however, do note that it is
//technically possible for a non-compliant patcher to ignore this requirement.
//therefore, it is *imperative* that no emulator support such patches.
//thusly, we ignore the "long offset" parameter below. failure to do so would
//completely invalidate the purpose of UPS; which is to avoid header vs
//no-header patching errors that result in IPS patches having a 50/50 chance of
//being applied correctly.
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
static bool8 ReadUPSPatch (Stream *r, long, int32 &rom_size)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
//Reader lacks size() and rewind(), so we need to read in the file to get its size
uint8 *data = new uint8[8 * 1024 * 1024]; //allocate a lot of memory, better safe than sorry ...
uint32 size = 0;
while(true) {
int value = r->get_char();
if(value == EOF) break;
data[size++] = value;
if(size >= 8 * 1024 * 1024) {
//prevent buffer overflow: SNES-made UPS patches should never be this big anyway ...
delete[] data;
return false;
}
}
//4-byte header + 1-byte input size + 1-byte output size + 4-byte patch CRC32 + 4-byte unpatched CRC32 + 4-byte patched CRC32
if(size < 18) { delete[] data; return false; } //patch is too small
uint32 addr = 0;
if(data[addr++] != 'U') { delete[] data; return false; } //patch has an invalid header
if(data[addr++] != 'P') { delete[] data; return false; } //...
if(data[addr++] != 'S') { delete[] data; return false; } //...
if(data[addr++] != '1') { delete[] data; return false; } //...
uint32 patch_crc32 = caCRC32(data, size - 4); //don't include patch CRC32 itself in CRC32 calculation
uint32 rom_crc32 = caCRC32(Memory.ROM, rom_size);
uint32 px_crc32 = (data[size - 12] << 0) + (data[size - 11] << 8) + (data[size - 10] << 16) + (data[size - 9] << 24);
uint32 py_crc32 = (data[size - 8] << 0) + (data[size - 7] << 8) + (data[size - 6] << 16) + (data[size - 5] << 24);
uint32 pp_crc32 = (data[size - 4] << 0) + (data[size - 3] << 8) + (data[size - 2] << 16) + (data[size - 1] << 24);
if(patch_crc32 != pp_crc32) { delete[] data; return false; } //patch is corrupted
if((rom_crc32 != px_crc32) && (rom_crc32 != py_crc32)) { delete[] data; return false; } //patch is for a different ROM
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
uint32 px_size = XPSdecode(data, addr, size);
uint32 py_size = XPSdecode(data, addr, size);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
uint32 out_size = ((uint32) rom_size == px_size) ? py_size : px_size;
if(out_size > CMemory::MAX_ROM_SIZE) { delete[] data; return false; } //applying this patch will overflow Memory.ROM buffer
//fill expanded area with 0x00s; so that XORing works as expected below.
//note that this is needed (and works) whether output ROM is larger or smaller than pre-patched ROM
for(unsigned i = min((uint32) rom_size, out_size); i < max((uint32) rom_size, out_size); i++) {
Memory.ROM[i] = 0x00;
}
uint32 relative = 0;
while(addr < size - 12) {
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
relative += XPSdecode(data, addr, size);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
while(addr < size - 12) {
uint8 x = data[addr++];
Memory.ROM[relative++] ^= x;
if(!x) break;
}
}
rom_size = out_size;
delete[] data;
uint32 out_crc32 = caCRC32(Memory.ROM, rom_size);
if(((rom_crc32 == px_crc32) && (out_crc32 == py_crc32))
|| ((rom_crc32 == py_crc32) && (out_crc32 == px_crc32))
) {
return true;
} else {
//technically, reaching here means that patching has failed.
//we should return false, but unfortunately Memory.ROM has already
//been modified above and cannot be undone. to do this properly, we
//would need to make a copy of Memory.ROM, apply the patch, and then
//copy that back to Memory.ROM.
//
//however, the only way for this case to happen is if the UPS patch file
//itself is corrupted, which should be detected by the patch CRC32 check
//above anyway. errors due to the wrong ROM or patch file being used are
//already caught above.
fprintf(stderr, "WARNING: UPS patching appears to have failed.\nGame may not be playable.\n");
return true;
}
}
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
// header notes for UPS patches also apply to BPS
//
// logic taken from http://byuu.org/programming/bps and the accompanying source
//
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
static bool8 ReadBPSPatch (Stream *r, long, int32 &rom_size)
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
{
uint8 *data = new uint8[8 * 1024 * 1024]; //allocate a lot of memory, better safe than sorry ...
uint32 size = 0;
while(true) {
int value = r->get_char();
if(value == EOF) break;
data[size++] = value;
if(size >= 8 * 1024 * 1024) {
//prevent buffer overflow: SNES-made BPS patches should never be this big anyway ...
delete[] data;
return false;
}
}
/* 4-byte header + 1-byte input size + 1-byte output size + 1-byte metadata size
+ 4-byte unpatched CRC32 + 4-byte patched CRC32 + 4-byte patch CRC32 */
if(size < 19) { delete[] data; return false; } //patch is too small
uint32 addr = 0;
if(data[addr++] != 'B') { delete[] data; return false; } //patch has an invalid header
if(data[addr++] != 'P') { delete[] data; return false; } //...
if(data[addr++] != 'S') { delete[] data; return false; } //...
if(data[addr++] != '1') { delete[] data; return false; } //...
uint32 patch_crc32 = caCRC32(data, size - 4); //don't include patch CRC32 itself in CRC32 calculation
uint32 rom_crc32 = caCRC32(Memory.ROM, rom_size);
uint32 source_crc32 = (data[size - 12] << 0) + (data[size - 11] << 8) + (data[size - 10] << 16) + (data[size - 9] << 24);
uint32 target_crc32 = (data[size - 8] << 0) + (data[size - 7] << 8) + (data[size - 6] << 16) + (data[size - 5] << 24);
uint32 pp_crc32 = (data[size - 4] << 0) + (data[size - 3] << 8) + (data[size - 2] << 16) + (data[size - 1] << 24);
if(patch_crc32 != pp_crc32) { delete[] data; return false; } //patch is corrupted
if(rom_crc32 != source_crc32) { delete[] data; return false; } //patch is for a different ROM
uint32 source_size = XPSdecode(data, addr, size);
uint32 target_size = XPSdecode(data, addr, size);
uint32 metadata_size = XPSdecode(data, addr, size);
addr += metadata_size;
if(target_size > CMemory::MAX_ROM_SIZE) { delete[] data; return false; } //applying this patch will overflow Memory.ROM buffer
Make Microsoft-specific enum code more portable
2011-11-15 21:09:29 +01:00
enum { SourceRead, TargetRead, SourceCopy, TargetCopy };
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
uint32 outputOffset = 0, sourceRelativeOffset = 0, targetRelativeOffset = 0;
uint8 *patched_rom = new uint8[target_size];
memset(patched_rom,0,target_size);
while(addr < size - 12) {
uint32 length = XPSdecode(data, addr, size);
uint32 mode = length & 3;
length = (length >> 2) + 1;
Make Microsoft-specific enum code more portable
2011-11-15 21:09:29 +01:00
switch((int)mode) {
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
case SourceRead:
while(length--) patched_rom[outputOffset++] = Memory.ROM[outputOffset];
break;
case TargetRead:
while(length--) patched_rom[outputOffset++] = data[addr++];
break;
case SourceCopy:
case TargetCopy:
int32 offset = XPSdecode(data, addr, size);
bool negative = offset & 1;
offset >>= 1;
if(negative) offset = -offset;
if(mode == SourceCopy) {
sourceRelativeOffset += offset;
while(length--) patched_rom[outputOffset++] = Memory.ROM[sourceRelativeOffset++];
} else {
targetRelativeOffset += offset;
while(length--) patched_rom[outputOffset++] = patched_rom[targetRelativeOffset++];
}
break;
}
}
delete[] data;
uint32 out_crc32 = caCRC32(patched_rom, target_size);
if(out_crc32 == target_crc32) {
memcpy(Memory.ROM, patched_rom, target_size);
rom_size = target_size;
delete[] patched_rom;
return true;
} else {
delete[] patched_rom;
fprintf(stderr, "WARNING: BPS patching failed.\nROM has not been altered.\n");
return false;
}
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
static long ReadInt (Stream *r, unsigned nbytes)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
long v = 0;
while (nbytes--)
{
int c = r->get_char();
if (c == EOF)
return (-1);
v = (v << 8) | (c & 0xFF);
}
return (v);
}
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
static bool8 ReadIPSPatch (Stream *r, long offset, int32 &rom_size)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
const int32 IPS_EOF = 0x00454F46l;
int32 ofs;
char fname[6];
fname[5] = 0;
for (int i = 0; i < 5; i++)
{
int c = r->get_char();
if (c == EOF)
return (0);
fname[i] = (char) c;
}
if (strncmp(fname, "PATCH", 5))
return (0);
for (;;)
{
long len, rlen;
int rchar;
ofs = ReadInt(r, 3);
if (ofs == -1)
return (0);
if (ofs == IPS_EOF)
break;
ofs -= offset;
len = ReadInt(r, 2);
if (len == -1)
return (0);
if (len)
{
if (ofs + len > CMemory::MAX_ROM_SIZE)
return (0);
while (len--)
{
rchar = r->get_char();
if (rchar == EOF)
return (0);
Memory.ROM[ofs++] = (uint8) rchar;
}
if (ofs > rom_size)
rom_size = ofs;
}
else
{
rlen = ReadInt(r, 2);
if (rlen == -1)
return (0);
rchar = r->get_char();
if (rchar == EOF)
return (0);
if (ofs + rlen > CMemory::MAX_ROM_SIZE)
return (0);
while (rlen--)
Memory.ROM[ofs++] = (uint8) rchar;
if (ofs > rom_size)
rom_size = ofs;
}
}
ofs = ReadInt(r, 3);
if (ofs != -1 && ofs - offset < rom_size)
rom_size = ofs - offset;
return (1);
}
#ifdef UNZIP_SUPPORT
static int unzFindExtension (unzFile &file, const char *ext, bool restart, bool print)
{
unz_file_info info;
int port, l = strlen(ext);
if (restart)
port = unzGoToFirstFile(file);
else
port = unzGoToNextFile(file);
while (port == UNZ_OK)
{
int len;
char name[132];
unzGetCurrentFileInfo(file, &info, name, 128, NULL, 0, NULL, 0);
len = strlen(name);
if (len >= l + 1 && name[len - l - 1] == '.' && strcasecmp(name + len - l, ext) == 0 && unzOpenCurrentFile(file) == UNZ_OK)
{
if (print)
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
printf("Using patch %s", name);
Initial 1.52 import
2010-09-25 17:46:12 +02:00
return (port);
}
port = unzGoToNextFile(file);
}
return (port);
}
#endif
void CMemory::CheckForAnyPatch (const char *rom_filename, bool8 header, int32 &rom_size)
{
if (Settings.NoPatch)
return;
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
FSTREAM patch_file = NULL;
Initial 1.52 import
2010-09-25 17:46:12 +02:00
uint32 i;
long offset = header ? 512 : 0;
int ret;
bool flag;
char dir[_MAX_DIR + 1], drive[_MAX_DRIVE + 1], name[_MAX_FNAME + 1], ext[_MAX_EXT + 1], ips[_MAX_EXT + 3], fname[PATH_MAX + 1];
const char *n;
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
_splitpath(rom_filename, drive, dir, name, ext);
// BPS
_makepath(fname, drive, dir, name, "bps");
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if ((patch_file = OPEN_FSTREAM(fname, "rb")) != NULL)
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
{
printf("Using BPS patch %s", fname);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadBPSPatch(s, 0, rom_size);
s->closeStream();
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
if (ret)
{
printf("!\n");
return;
}
else
printf(" failed!\n");
}
#ifdef UNZIP_SUPPORT
if (!strcasecmp(ext, "zip") || !strcasecmp(ext, ".zip"))
{
unzFile file = unzOpen(rom_filename);
if (file)
{
int port = unzFindExtension(file, "bps");
if (port == UNZ_OK)
{
printf(" in %s", rom_filename);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new unzStream(file);
ret = ReadBPSPatch(s, offset, rom_size);
s->closeStream();
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
if (ret)
printf("!\n");
else
printf(" failed!\n");
}
}
}
#endif
n = S9xGetFilename(".bps", IPS_DIR);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if ((patch_file = OPEN_FSTREAM(n, "rb")) != NULL)
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
{
printf("Using BPS patch %s", n);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadBPSPatch(s, 0, rom_size);
s->closeStream();
Add bps soft-patching support
2011-09-10 16:20:00 +02:00
if (ret)
{
printf("!\n");
return;
}
else
printf(" failed!\n");
}
Initial 1.52 import
2010-09-25 17:46:12 +02:00
// UPS
_makepath(fname, drive, dir, name, "ups");
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if ((patch_file = OPEN_FSTREAM(fname, "rb")) != NULL)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
printf("Using UPS patch %s", fname);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadUPSPatch(s, 0, rom_size);
s->closeStream();
Initial 1.52 import
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if (ret)
{
printf("!\n");
return;
}
else
printf(" failed!\n");
}
#ifdef UNZIP_SUPPORT
if (!strcasecmp(ext, "zip") || !strcasecmp(ext, ".zip"))
{
unzFile file = unzOpen(rom_filename);
if (file)
{
int port = unzFindExtension(file, "ups");
if (port == UNZ_OK)
{
printf(" in %s", rom_filename);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new unzStream(file);
ret = ReadUPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
printf("!\n");
else
printf(" failed!\n");
}
}
}
#endif
n = S9xGetFilename(".ups", IPS_DIR);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if ((patch_file = OPEN_FSTREAM(n, "rb")) != NULL)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
printf("Using UPS patch %s", n);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadUPSPatch(s, 0, rom_size);
s->closeStream();
Initial 1.52 import
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if (ret)
{
printf("!\n");
return;
}
else
printf(" failed!\n");
}
// IPS
_makepath(fname, drive, dir, name, "ips");
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if ((patch_file = OPEN_FSTREAM(fname, "rb")) != NULL)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
printf("Using IPS patch %s", fname);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
return;
}
else
printf(" failed!\n");
}
if (_MAX_EXT > 6)
{
i = 0;
flag = false;
do
{
snprintf(ips, 8, "%03d.ips", i);
_makepath(fname, drive, dir, name, ips);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (!(patch_file = OPEN_FSTREAM(fname, "rb")))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
break;
printf("Using IPS patch %s", fname);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
{
printf(" failed!\n");
break;
}
} while (++i < 1000);
if (flag)
return;
}
if (_MAX_EXT > 3)
{
i = 0;
flag = false;
do
{
snprintf(ips, _MAX_EXT + 2, "ips%d", i);
if (strlen(ips) > _MAX_EXT)
break;
_makepath(fname, drive, dir, name, ips);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (!(patch_file = OPEN_FSTREAM(fname, "rb")))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
break;
printf("Using IPS patch %s", fname);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
{
printf(" failed!\n");
break;
}
} while (++i != 0);
if (flag)
return;
}
if (_MAX_EXT > 2)
{
i = 0;
flag = false;
do
{
snprintf(ips, 4, "ip%d", i);
_makepath(fname, drive, dir, name, ips);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (!(patch_file = OPEN_FSTREAM(fname, "rb")))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
break;
printf("Using IPS patch %s", fname);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
{
printf(" failed!\n");
break;
}
} while (++i < 10);
if (flag)
return;
}
#ifdef UNZIP_SUPPORT
if (!strcasecmp(ext, "zip") || !strcasecmp(ext, ".zip"))
{
unzFile file = unzOpen(rom_filename);
if (file)
{
int port = unzFindExtension(file, "ips");
while (port == UNZ_OK)
{
printf(" in %s", rom_filename);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new unzStream(file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
printf(" failed!\n");
port = unzFindExtension(file, "ips", false);
}
if (!flag)
{
i = 0;
do
{
snprintf(ips, 8, "%03d.ips", i);
if (unzFindExtension(file, ips) != UNZ_OK)
break;
printf(" in %s", rom_filename);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new unzStream(file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
{
printf(" failed!\n");
break;
}
if (unzFindExtension(file, ips, false, false) == UNZ_OK)
printf("WARNING: Ignoring extra .%s files!\n", ips);
} while (++i < 1000);
}
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);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new unzStream(file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
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);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new unzStream(file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
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
n = S9xGetFilename(".ips", IPS_DIR);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if ((patch_file = OPEN_FSTREAM(n, "rb")) != NULL)
Initial 1.52 import
2010-09-25 17:46:12 +02:00
{
printf("Using IPS patch %s", n);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
return;
}
else
printf(" failed!\n");
}
if (_MAX_EXT > 6)
{
i = 0;
flag = false;
do
{
snprintf(ips, 9, ".%03d.ips", i);
n = S9xGetFilename(ips, IPS_DIR);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (!(patch_file = OPEN_FSTREAM(n, "rb")))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
break;
printf("Using IPS patch %s", n);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
{
printf(" failed!\n");
break;
}
} while (++i < 1000);
if (flag)
return;
}
if (_MAX_EXT > 3)
{
i = 0;
flag = false;
do
{
snprintf(ips, _MAX_EXT + 3, ".ips%d", i);
if (strlen(ips) > _MAX_EXT + 1)
break;
n = S9xGetFilename(ips, IPS_DIR);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (!(patch_file = OPEN_FSTREAM(n, "rb")))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
break;
printf("Using IPS patch %s", n);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
{
printf(" failed!\n");
break;
}
} while (++i != 0);
if (flag)
return;
}
if (_MAX_EXT > 2)
{
i = 0;
flag = false;
do
{
snprintf(ips, 5, ".ip%d", i);
n = S9xGetFilename(ips, IPS_DIR);
Allow membased rom/state load/save, add libsnes interface (Themaister)
2012-01-02 01:48:51 +01:00
if (!(patch_file = OPEN_FSTREAM(n, "rb")))
Initial 1.52 import
2010-09-25 17:46:12 +02:00
break;
printf("Using IPS patch %s", n);
Properly close stream objects
2016-12-03 17:33:14 +01:00
Stream *s = new fStream(patch_file);
ret = ReadIPSPatch(s, offset, rom_size);
s->closeStream();
Initial 1.52 import
2010-09-25 17:46:12 +02:00
if (ret)
{
printf("!\n");
flag = true;
}
else
{
printf(" failed!\n");
break;
}
} while (++i < 10);
if (flag)
return;
}
}
Reference in New Issue Copy Permalink