/*********************************************************************************** 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), (c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com) (c) Copyright 2006 - 2007 nitsuja (c) Copyright 2009 - 2016 BearOso, OV2 (c) Copyright 2011 - 2016 Hans-Kristian Arntzen, Daniel De Matteis (Under no circumstances will commercial rights be given) 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) S-SMP emulator code used in 1.54+ (c) Copyright 2016 byuu 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 (c) Copyright 2004 - 2016 BearOso Win32 GUI code (c) Copyright 2003 - 2006 blip, funkyass, Matthew Kendora, Nach, nitsuja (c) Copyright 2009 - 2016 OV2 Mac OS GUI code (c) Copyright 1998 - 2001 John Stiles (c) Copyright 2001 - 2011 zones Libretro port (c) Copyright 2011 - 2016 Hans-Kristian Arntzen, Daniel De Matteis (Under no circumstances will commercial rights be given) 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 #include #include #ifdef UNZIP_SUPPORT # ifdef SYSTEM_ZIP # include # else # include "unzip/unzip.h" # endif #endif #ifdef JMA_SUPPORT #include "jma/s9x-jma.h" #endif #include #include #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); static bool8 is_SufamiTurbo_BIOS (const uint8 *, uint32); static bool8 is_SufamiTurbo_Cart (const uint8 *, uint32); static bool8 is_BSCart_BIOS (const uint8 *, uint32); static bool8 is_SameGame_Add_On (const uint8 *, uint32); static bool8 is_BSCartSA1_BIOS(const uint8 *, uint32); static bool8 is_GNEXT_Add_On (const uint8 *, uint32); static uint32 caCRC32 (uint8 *, uint32, uint32 crc32 = 0xffffffff); static uint32 ReadUPSPointer (const uint8 *, unsigned &, unsigned); static bool8 ReadUPSPatch (Stream *, long, int32 &); static long ReadInt (Stream *, unsigned); static bool8 ReadIPSPatch (Stream *, long, int32 &); #ifdef UNZIP_SUPPORT static int unzFindExtension (unzFile &, const char *, bool restart = TRUE, bool print = TRUE, bool allowExact = FALSE); #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); } 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); // 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); } static bool8 is_SufamiTurbo_BIOS (const uint8 *data, uint32 size) { if (size == 0x40000 && strncmp((char *) data, "BANDAI SFC-ADX", 14) == 0 && strncmp((char * ) (data + 0x10), "SFC-ADX BACKUP", 14) == 0) return (TRUE); else return (FALSE); } static bool8 is_SufamiTurbo_Cart (const uint8 *data, uint32 size) { if (size >= 0x80000 && size <= 0x100000 && strncmp((char *) data, "BANDAI SFC-ADX", 14) == 0 && strncmp((char * ) (data + 0x10), "SFC-ADX BACKUP", 14) != 0) return (TRUE); else return (FALSE); } static bool8 is_BSCart_BIOS(const uint8 *data, uint32 size) { if ((data[0x7FB2] == 0x5A) && (data[0x7FB5] != 0x20) && (data[0x7FDA] == 0x33)) { Memory.LoROM = TRUE; Memory.HiROM = FALSE; return (TRUE); } else if ((data[0xFFB2] == 0x5A) && (data[0xFFB5] != 0x20) && (data[0xFFDA] == 0x33)) { Memory.LoROM = FALSE; Memory.HiROM = TRUE; return (TRUE); } else return (FALSE); } static bool8 is_SameGame_Add_On (const uint8 *data, uint32 size) { if (size == 0x80000) return (TRUE); else return (FALSE); } static bool8 is_BSCartSA1_BIOS (const uint8 *data, uint32 size) { //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) return (TRUE); else return (FALSE); } static bool8 is_GNEXT_Add_On (const uint8 *data, uint32 size) { if (size == 0x80000) return (TRUE); else return (FALSE); } int CMemory::ScoreHiROM (bool8 skip_header, int32 romoff) { uint8 *buf = ROM + 0xff00 + romoff + (skip_header ? 0x200 : 0); int score = 0; if (buf[0xd5] & 0x1) score += 2; // Mode23 is SA-1 if (buf[0xd5] == 0x23) score -= 2; if (buf[0xd4] == 0x20) score += 2; if ((buf[0xdc] + (buf[0xdd] << 8)) + (buf[0xde] + (buf[0xdf] << 8)) == 0xffff) { score += 2; if (0 != (buf[0xde] + (buf[0xdf] << 8))) score++; } if (buf[0xda] == 0x33) score += 2; if ((buf[0xd5] & 0xf) < 4) score += 2; if (!(buf[0xfd] & 0x80)) score -= 6; if ((buf[0xfc] + (buf[0xfd] << 8)) > 0xffb0) score -= 2; // reduced after looking at a scan by Cowering if (CalculatedSize > 1024 * 1024 * 3) score += 4; if ((1 << (buf[0xd7] - 7)) > 48) score -= 1; if (!allASCII(&buf[0xb0], 6)) score -= 1; if (!allASCII(&buf[0xc0], ROM_NAME_LEN - 1)) score -= 1; return (score); } int CMemory::ScoreLoROM (bool8 skip_header, int32 romoff) { uint8 *buf = ROM + 0x7f00 + romoff + (skip_header ? 0x200 : 0); int score = 0; if (!(buf[0xd5] & 0x1)) score += 3; // Mode23 is SA-1 if (buf[0xd5] == 0x23) score += 2; if ((buf[0xdc] + (buf[0xdd] << 8)) + (buf[0xde] + (buf[0xdf] << 8)) == 0xffff) { score += 2; if (0 != (buf[0xde] + (buf[0xdf] << 8))) score++; } if (buf[0xda] == 0x33) score += 2; if ((buf[0xd5] & 0xf) < 4) score += 2; if (!(buf[0xfd] & 0x80)) score -= 6; if ((buf[0xfc] + (buf[0xfd] << 8)) > 0xffb0) score -= 2; // reduced per Cowering suggestion if (CalculatedSize <= 1024 * 1024 * 16) score += 2; if ((1 << (buf[0xd7] - 7)) > 48) score -= 1; if (!allASCII(&buf[0xb0], 6)) score -= 1; if (!allASCII(&buf[0xc0], ROM_NAME_LEN - 1)) score -= 1; return (score); } uint32 CMemory::HeaderRemove (uint32 size, uint8 *buf) { uint32 calc_size = (size / 0x2000) * 0x2000; if ((size - calc_size == 512 && !Settings.ForceNoHeader) || Settings.ForceHeader) { uint8 *NSRTHead = buf + 0x1D0; // NSRT Header Location // detect NSRT header if (!strncmp("NSRT", (char *) &NSRTHead[24], 4)) { if (NSRTHead[28] == 22) { if (((std::accumulate(NSRTHead, NSRTHead + sizeof(NSRTHeader), 0) & 0xFF) == NSRTHead[30]) && (NSRTHead[30] + NSRTHead[31] == 255) && ((NSRTHead[0] & 0x0F) <= 13) && (((NSRTHead[0] & 0xF0) >> 4) <= 3) && ((NSRTHead[0] & 0xF0) >> 4)) memcpy(NSRTHeader, NSRTHead, sizeof(NSRTHeader)); } } memmove(buf, buf + 512, calc_size); HeaderCount++; size -= 512; } return (size); } uint32 CMemory::FileLoader (uint8 *buffer, const char *filename, uint32 maxsize) { // <- ROM size without header // ** Memory.HeaderCount // ** Memory.ROMFilename uint32 totalSize = 0; 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 || strcasecmp(ext, "msu1") == 0) nFormat = FILE_ZIP; else if (strcasecmp(ext, "jma") == 0) nFormat = FILE_JMA; switch (nFormat) { case FILE_ZIP: { #ifdef UNZIP_SUPPORT if (!LoadZip(fname, &totalSize, buffer)) { S9xMessage(S9X_ERROR, S9X_ROM_INFO, "Invalid Zip archive."); return (0); } strcpy(ROMFilename, fname); #else S9xMessage(S9X_ERROR, S9X_ROM_INFO, "This binary was not created with Zip support."); return (0); #endif break; } case FILE_JMA: { #ifdef JMA_SUPPORT size_t size = load_jma_file(fname, buffer); if (!size) { S9xMessage(S9X_ERROR, S9X_ROM_INFO, "Invalid JMA archive."); return (0); } totalSize = HeaderRemove(size, buffer); strcpy(ROMFilename, fname); #else S9xMessage(S9X_ERROR, S9X_ROM_INFO, "This binary was not created with JMA support."); return (0); #endif break; } case FILE_DEFAULT: default: { STREAM fp = OPEN_STREAM(fname, "rb"); if (!fp) return (0); strcpy(ROMFilename, fname); int len = 0; uint32 size = 0; bool8 more = FALSE; uint8 *ptr = buffer; do { size = READ_STREAM(ptr, maxsize + 0x200 - (ptr - buffer), fp); CLOSE_STREAM(fp); size = HeaderRemove(size, ptr); totalSize += size; ptr += size; // check for multi file roms if (ptr - buffer < maxsize + 0x200 && (isdigit(ext[0]) && ext[1] == 0 && ext[0] < '9')) { more = TRUE; ext[0]++; _makepath(fname, drive, dir, name, exts); } else if (ptr - buffer < maxsize + 0x200 && (((len = strlen(name)) == 7 || len == 8) && strncasecmp(name, "sf", 2) == 0 && isdigit(name[2]) && isdigit(name[3]) && isdigit(name[4]) && isdigit(name[5]) && isalpha(name[len - 1]))) { more = TRUE; name[len - 1]++; _makepath(fname, drive, dir, name, exts); } else more = FALSE; } while (more && (fp = OPEN_STREAM(fname, "rb")) != NULL); break; } } if (HeaderCount == 0) S9xMessage(S9X_INFO, S9X_HEADERS_INFO, "No ROM file header found."); else if (HeaderCount == 1) S9xMessage(S9X_INFO, S9X_HEADERS_INFO, "Found ROM file header (and ignored it)."); else S9xMessage(S9X_INFO, S9X_HEADERS_INFO, "Found multiple ROM file headers (and ignored them)."); return ((uint32) totalSize); } bool8 CMemory::LoadROMMem (const uint8 *source, uint32 sourceSize) { if(!source || sourceSize > MAX_ROM_SIZE) return FALSE; strcpy(ROMFilename,"MemoryROM"); do { memset(ROM,0, MAX_ROM_SIZE); memset(&Multi, 0,sizeof(Multi)); memcpy(ROM,source,sourceSize); } while(!LoadROMInt(sourceSize)); return TRUE; } bool8 CMemory::LoadROM (const char *filename) { if(!filename || !*filename) return FALSE; int32 totalFileSize; do { memset(ROM,0, MAX_ROM_SIZE); memset(&Multi, 0,sizeof(Multi)); totalFileSize = FileLoader(ROM, filename, MAX_ROM_SIZE); if (!totalFileSize) return (FALSE); if (!Settings.NoPatch) CheckForAnyPatch(filename, HeaderCount != 0, totalFileSize); } while(!LoadROMInt(totalFileSize)); return TRUE; } bool8 CMemory::LoadROMInt (int32 ROMfillSize) { 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))) { memmove(ROM, ROM + 512, ROMfillSize - 512); ROMfillSize -= 512; S9xMessage(S9X_INFO, S9X_HEADER_WARNING, "Try 'force no-header' option if the game doesn't work"); // modifying ROM, so we need to rescore hi_score = ScoreHiROM(FALSE); lo_score = ScoreLoROM(FALSE); } CalculatedSize = (ROMfillSize / 0x2000) * 0x2000; if (CalculatedSize > 0x400000 && (ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x3423 && // exclude SA-1 (ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x3523 && (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) S9xDeinterleaveType1(ROMfillSize, ROM); } // CalculatedSize is now set, so rescore hi_score = ScoreHiROM(FALSE); lo_score = ScoreLoROM(FALSE); uint8 *RomHeader = ROM; if (ExtendedFormat != NOPE) { int swappedhirom, swappedlorom; swappedhirom = ScoreHiROM(FALSE, 0x400000); swappedlorom = ScoreLoROM(FALSE, 0x400000); // set swapped here if (max(swappedlorom, swappedhirom) >= max(lo_score, hi_score)) { ExtendedFormat = BIGFIRST; hi_score = swappedhirom; lo_score = swappedlorom; RomHeader += 0x400000; } else ExtendedFormat = SMALLFIRST; } bool8 interleaved, tales = FALSE; interleaved = Settings.ForceInterleaved || Settings.ForceInterleaved2 || 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))) { S9xMessage(S9X_INFO, S9X_ROM_CONFUSING_FORMAT_INFO, "ROM lied about its type! Trying again."); Settings.ForceNotInterleaved = TRUE; Settings.ForceInterleaved = FALSE; return (FALSE); } } if (ExtendedFormat == SMALLFIRST) tales = TRUE; if (tales) { uint8 *tmp = (uint8 *) malloc(CalculatedSize - 0x400000); if (tmp) { S9xMessage(S9X_INFO, S9X_ROM_INTERLEAVED_INFO, "Fixing swapped ExHiROM..."); memmove(tmp, ROM, CalculatedSize - 0x400000); memmove(ROM, ROM + CalculatedSize - 0x400000, 0x400000); memmove(ROM + 0x400000, tmp, CalculatedSize - 0x400000); free(tmp); } } if (strncmp(LastRomFilename, ROMFilename, PATH_MAX + 1)) { strncpy(LastRomFilename, ROMFilename, PATH_MAX + 1); LastRomFilename[PATH_MAX] = 0; } memset(&SNESGameFixes, 0, sizeof(SNESGameFixes)); SNESGameFixes.SRAMInitialValue = 0x60; S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR)); InitROM(); S9xInitCheatData(); S9xApplyCheats(); S9xReset(); return (TRUE); } bool8 CMemory::LoadMultiCartMem (const uint8 *sourceA, uint32 sourceASize, const uint8 *sourceB, uint32 sourceBSize, const uint8 *bios, uint32 biosSize) { uint32 offset = 0; memset(ROM, 0, MAX_ROM_SIZE); memset(&Multi, 0, sizeof(Multi)); 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"); } 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) { memset(ROM, 0, MAX_ROM_SIZE); memset(&Multi, 0, sizeof(Multi)); Settings.DisplayColor = BUILD_PIXEL(31, 31, 31); SET_UI_COLOR(255, 255, 255); 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); } if (cartA && cartA[0]) Multi.cartSizeA = FileLoader(ROM, cartA, MAX_ROM_SIZE); 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; if (Multi.cartSizeA) { if (is_SufamiTurbo_Cart(ROM + Multi.cartOffsetA, Multi.cartSizeA)) Multi.cartType = 4; else if (is_BSCartSA1_BIOS(ROM + Multi.cartOffsetA, Multi.cartSizeA)) Multi.cartType = 5; else if (is_BSCart_BIOS(ROM + Multi.cartOffsetA, Multi.cartSizeA)) Multi.cartType = 3; } else if (Multi.cartSizeB) { if (is_SufamiTurbo_Cart(ROM + Multi.cartOffsetB, Multi.cartSizeB)) Multi.cartType = 4; } else Multi.cartType = 4; // assuming BIOS only if(Multi.cartType == 4 && Multi.cartOffsetA == 0) { // try to load bios from file Multi.cartOffsetA = 0x40000; if(Multi.cartSizeA) 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); 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); } switch (Multi.cartType) { case 4: r = LoadSufamiTurbo(); break; case 3: case 5: r = LoadBSCart(); break; default: r = FALSE; } if (!r) { memset(&Multi, 0, sizeof(Multi)); return (FALSE); } if (Multi.cartSizeA) strcpy(ROMFilename, Multi.fileNameA); else if (Multi.cartSizeB) strcpy(ROMFilename, Multi.fileNameB); memset(&SNESGameFixes, 0, sizeof(SNESGameFixes)); SNESGameFixes.SRAMInitialValue = 0x60; S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR)); InitROM(); S9xInitCheatData(); S9xApplyCheats(); S9xReset(); return (TRUE); } bool8 CMemory::LoadSufamiTurbo () { 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; } if (Multi.cartSizeB) { if (!is_SufamiTurbo_Cart(ROM + Multi.cartOffsetB, Multi.cartSizeB)) Multi.cartSizeB = 0; } 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); } bool8 CMemory::LoadBSCart () { Multi.sramA = SRAM; Multi.sramB = NULL; if (LoROM) Multi.sramSizeA = ROM[0x7fd8]; else Multi.sramSizeA = ROM[0xffd8]; Multi.sramMaskA = Multi.sramSizeA ? ((1 << (Multi.sramSizeA + 3)) * 128 - 1) : 0; Multi.sramSizeB = 0; Multi.sramMaskB = 0; CalculatedSize = Multi.cartSizeA; if (Multi.cartSizeB == 0 && Multi.cartSizeA <= (MAX_ROM_SIZE - 0x100000 - Multi.cartOffsetA)) { //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 Multi.cartOffsetB = Multi.cartOffsetA + CalculatedSize; Multi.cartSizeB = 0x100000; memset(Memory.ROM + Multi.cartOffsetB, 0xFF, 0x100000); } return (TRUE); } bool8 CMemory::LoadGNEXT () { 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); } 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); } 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); } // 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; Settings.MSU1 = FALSE; 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; } // MSU1 Settings.MSU1 = S9xMSU1ROMExists(); //// Map memory and calculate checksum Map_Initialize(); CalculatedChecksum = 0; if (HiROM) { if (Settings.BS) /* Do nothing */; else if (Settings.SPC7110) Map_SPC7110HiROMMap(); else if (ExtendedFormat != NOPE) Map_ExtendedHiROMMap(); else if (Multi.cartType == 3) Map_BSCartHiROMMap(); 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) { if (Multi.cartType == 5) Map_BSSA1LoROMMap(); else Map_SA1LoROMMap(); } else if (Settings.SDD1) Map_SDD1LoROMMap(); else if (ExtendedFormat != NOPE) Map_JumboLoROMMap(); else if (strncmp(ROMName, "WANDERERS FROM YS", 17) == 0) Map_NoMAD1LoROMMap(); else if (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 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) { uint32 hi; if (ROMSize > 11 || SRAMSize > 5) hi = 0x7fff; else hi = 0xffff; map_index(0x70, 0x7d, 0x0000, hi, MAP_LOROM_SRAM, MAP_TYPE_RAM); map_index(0xf0, 0xff, 0x0000, hi, MAP_LOROM_SRAM, MAP_TYPE_RAM); } void CMemory::map_HiROMSRAM (void) { map_index(0x20, 0x3f, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM); map_index(0xa0, 0xbf, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM); } void CMemory::map_DSP (void) { switch (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); map_lorom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize - 0x600000, 0x600000); map_lorom_offset(0x80, 0xbf, 0x8000, 0xffff, 0x400000, 0); map_lorom_offset(0xc0, 0xff, 0x0000, 0xffff, 0x400000, 0x200000); map_LoROMSRAM(); map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_ROM24MBSLoROMMap (void) { // PCB: BSC-1A5M-01, BSC-1A7M-10 printf("Map_ROM24MBSLoROMMap\n"); map_System(); map_lorom_offset(0x00, 0x1f, 0x8000, 0xffff, 0x100000, 0); map_lorom_offset(0x20, 0x3f, 0x8000, 0xffff, 0x100000, 0x100000); map_lorom_offset(0x80, 0x9f, 0x8000, 0xffff, 0x100000, 0x200000); map_lorom_offset(0xa0, 0xbf, 0x8000, 0xffff, 0x100000, 0x100000); map_LoROMSRAM(); map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_SRAM512KLoROMMap (void) { printf("Map_SRAM512KLoROMMap\n"); map_System(); map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize); map_lorom(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize); map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize); map_lorom(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize); map_space(0x70, 0x70, 0x0000, 0xffff, SRAM); map_space(0x71, 0x71, 0x0000, 0xffff, SRAM + 0x8000); map_space(0x72, 0x72, 0x0000, 0xffff, SRAM + 0x10000); map_space(0x73, 0x73, 0x0000, 0xffff, SRAM + 0x18000); map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_SufamiTurboLoROMMap (void) { printf("Map_SufamiTurboLoROMMap\n"); map_System(); map_lorom_offset(0x00, 0x1f, 0x8000, 0xffff, 0x40000, 0); map_lorom_offset(0x20, 0x3f, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA); map_lorom_offset(0x40, 0x5f, 0x8000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB); map_lorom_offset(0x80, 0x9f, 0x8000, 0xffff, 0x40000, 0); map_lorom_offset(0xa0, 0xbf, 0x8000, 0xffff, Multi.cartSizeA, Multi.cartOffsetA); map_lorom_offset(0xc0, 0xdf, 0x8000, 0xffff, Multi.cartSizeB, Multi.cartOffsetB); if (Multi.sramSizeA) { map_index(0x60, 0x63, 0x8000, 0xffff, MAP_LOROM_SRAM, MAP_TYPE_RAM); map_index(0xe0, 0xe3, 0x8000, 0xffff, MAP_LOROM_SRAM, MAP_TYPE_RAM); } if (Multi.sramSizeB) { map_index(0x70, 0x73, 0x8000, 0xffff, MAP_LOROM_SRAM_B, MAP_TYPE_RAM); map_index(0xf0, 0xf3, 0x8000, 0xffff, MAP_LOROM_SRAM_B, MAP_TYPE_RAM); } map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_SufamiTurboPseudoLoROMMap (void) { // for combined images printf("Map_SufamiTurboPseudoLoROMMap\n"); map_System(); map_lorom_offset(0x00, 0x1f, 0x8000, 0xffff, 0x40000, 0); map_lorom_offset(0x20, 0x3f, 0x8000, 0xffff, 0x100000, 0x100000); map_lorom_offset(0x40, 0x5f, 0x8000, 0xffff, 0x100000, 0x200000); map_lorom_offset(0x80, 0x9f, 0x8000, 0xffff, 0x40000, 0); map_lorom_offset(0xa0, 0xbf, 0x8000, 0xffff, 0x100000, 0x100000); map_lorom_offset(0xc0, 0xdf, 0x8000, 0xffff, 0x100000, 0x200000); // I don't care :P map_space(0x60, 0x63, 0x8000, 0xffff, SRAM - 0x8000); map_space(0xe0, 0xe3, 0x8000, 0xffff, SRAM - 0x8000); map_space(0x70, 0x73, 0x8000, 0xffff, SRAM + 0x4000 - 0x8000); map_space(0xf0, 0xf3, 0x8000, 0xffff, SRAM + 0x4000 - 0x8000); map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_SuperFXLoROMMap (void) { printf("Map_SuperFXLoROMMap\n"); map_System(); // Replicate the first 2Mb of the ROM at ROM + 2MB such that each 32K // block is repeated twice in each 64K block. for (int c = 0; c < 64; c++) { memmove(&ROM[0x200000 + c * 0x10000], &ROM[c * 0x8000], 0x8000); memmove(&ROM[0x208000 + c * 0x10000], &ROM[c * 0x8000], 0x8000); } map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize); map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize); map_hirom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize, 0); map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize, 0); map_space(0x00, 0x3f, 0x6000, 0x7fff, SRAM - 0x6000); map_space(0x80, 0xbf, 0x6000, 0x7fff, SRAM - 0x6000); map_space(0x70, 0x70, 0x0000, 0xffff, SRAM); map_space(0x71, 0x71, 0x0000, 0xffff, SRAM + 0x10000); map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_SetaDSPLoROMMap (void) { printf("Map_SetaDSPLoROMMap\n"); map_System(); map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize); map_lorom(0x40, 0x7f, 0x8000, 0xffff, CalculatedSize); map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize); map_lorom(0xc0, 0xff, 0x8000, 0xffff, CalculatedSize); map_SetaDSP(); map_LoROMSRAM(); map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_SDD1LoROMMap (void) { printf("Map_SDD1LoROMMap\n"); map_System(); map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize); map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize); map_hirom_offset(0x40, 0x7f, 0x0000, 0xffff, CalculatedSize, 0); map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize, 0); // will be overwritten dynamically map_index(0x70, 0x7f, 0x0000, 0x7fff, MAP_LOROM_SRAM, MAP_TYPE_RAM); map_WRAM(); map_WriteProtectROM(); } void CMemory::Map_SA1LoROMMap (void) { printf("Map_SA1LoROMMap\n"); map_System(); map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize); map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize); map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize, 0); map_space(0x00, 0x3f, 0x3000, 0x3fff, FillRAM); map_space(0x80, 0xbf, 0x3000, 0x3fff, FillRAM); map_index(0x00, 0x3f, 0x6000, 0x7fff, MAP_BWRAM, MAP_TYPE_I_O); map_index(0x80, 0xbf, 0x6000, 0x7fff, MAP_BWRAM, MAP_TYPE_I_O); for (int c = 0x40; c < 0x80; c++) map_space(c, c, 0x0000, 0xffff, SRAM + (c & 1) * 0x10000); map_WRAM(); map_WriteProtectROM(); // Now copy the map and correct it for the SA1 CPU. memmove((void *) SA1.Map, (void *) Map, sizeof(Map)); memmove((void *) SA1.WriteMap, (void *) WriteMap, sizeof(WriteMap)); // SA-1 Banks 00->3f and 80->bf for (int c = 0x000; c < 0x400; c += 0x10) { SA1.Map[c + 0] = SA1.Map[c + 0x800] = FillRAM + 0x3000; SA1.Map[c + 1] = SA1.Map[c + 0x801] = (uint8 *) MAP_NONE; SA1.WriteMap[c + 0] = SA1.WriteMap[c + 0x800] = FillRAM + 0x3000; SA1.WriteMap[c + 1] = SA1.WriteMap[c + 0x801] = (uint8 *) MAP_NONE; } // SA-1 Banks 60->6f for (int c = 0x600; c < 0x700; c++) SA1.Map[c] = SA1.WriteMap[c] = (uint8 *) MAP_BWRAM_BITMAP; BWRAM = SRAM; } void CMemory::Map_BSSA1LoROMMap(void) { printf("Map_BSSA1LoROMMap\n"); 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; } 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); map_hirom(0x00, 0x0f, 0x8000, 0xffff, CalculatedSize); map_index(0x30, 0x30, 0x6000, 0x7fff, MAP_HIROM_SRAM, MAP_TYPE_RAM); if(Memory.ROMSize >= 13) map_hirom_offset(0x40, 0x4f, 0x0000, 0xffff, CalculatedSize, 0x600000); 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(); } 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(); map_index(0xc0, 0xef, 0x0000, 0xffff, MAP_BSX, MAP_TYPE_RAM); 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 { map_index(0xe0, 0xff, 0x0000, 0xffff, MAP_BSX, MAP_TYPE_RAM); } map_HiROMSRAM(); map_WRAM(); map_WriteProtectROM(); } // checksum uint16 CMemory::checksum_calc_sum (uint8 *data, uint32 length) { uint16 sum = 0; for (uint32 i = 0; i < length; i++) sum += data[i]; return (sum); } uint16 CMemory::checksum_mirror_sum (uint8 *start, uint32 &length, uint32 mask) { // from NSRT while (!(length & mask) && mask) 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" }; char chip[20]; 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, ""); if (Settings.MSU1) sprintf(chip + strlen(chip), "+MSU-1"); 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 Timings.APUSpeedup = 2; if (match_na("CIRCUIT USA")) Timings.APUSpeedup = 2; /* if (match_na("GAIA GENSOUKI 1 JPN") || // Gaia Gensouki 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! Timings.APUSpeedup = 1; */ } 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; Timings.IRQTriggerCycles = 10; 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"); } } } // BPS % UPS % IPS // number decoding used for both BPS and UPS static uint32 XPSdecode (const uint8 *data, unsigned &addr, unsigned size) { 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. static bool8 ReadUPSPatch (Stream *r, long, int32 &rom_size) { //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(!Settings.IgnorePatchChecksum && (rom_crc32 != px_crc32) && (rom_crc32 != py_crc32)) { delete[] data; return false; } //patch is for a different ROM uint32 px_size = XPSdecode(data, addr, size); uint32 py_size = XPSdecode(data, addr, size); 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) { relative += XPSdecode(data, addr, size); 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(Settings.IgnorePatchChecksum || ((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; } } // header notes for UPS patches also apply to BPS // // logic taken from http://byuu.org/programming/bps and the accompanying source // static bool8 ReadBPSPatch (Stream *r, long, int32 &rom_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 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(!Settings.IgnorePatchChecksum && 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 enum { SourceRead, TargetRead, SourceCopy, TargetCopy }; 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; switch((int)mode) { case SourceRead: while(length--) { patched_rom[outputOffset] = Memory.ROM[outputOffset]; 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(Settings.IgnorePatchChecksum || 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; } } static long ReadInt (Stream *r, unsigned nbytes) { long v = 0; while (nbytes--) { int c = r->get_char(); if (c == EOF) return (-1); v = (v << 8) | (c & 0xFF); } return (v); } static bool8 ReadIPSPatch (Stream *r, long offset, int32 &rom_size) { 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, bool allowExact) { unz_file_info info; int port, l = strlen(ext), e = allowExact ? 0 : 1; 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 + e && name[len - l - 1] == '.' && strcasecmp(name + len - l, ext) == 0 && unzOpenCurrentFile(file) == UNZ_OK) { if (print) printf("Using patch %s", name); return (port); } port = unzGoToNextFile(file); } return (port); } #endif void CMemory::CheckForAnyPatch (const char *rom_filename, bool8 header, int32 &rom_size) { if (Settings.NoPatch) return; FSTREAM patch_file = NULL; 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; _splitpath(rom_filename, drive, dir, name, ext); // BPS _makepath(fname, drive, dir, name, "bps"); if ((patch_file = OPEN_FSTREAM(fname, "rb")) != NULL) { printf("Using BPS patch %s", fname); Stream *s = new fStream(patch_file); ret = ReadBPSPatch(s, 0, rom_size); s->closeStream(); 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); Stream *s = new unzStream(file); ret = ReadBPSPatch(s, offset, rom_size); s->closeStream(); if (ret) printf("!\n"); else printf(" failed!\n"); } } } #endif n = S9xGetFilename(".bps", PATCH_DIR); if ((patch_file = OPEN_FSTREAM(n, "rb")) != NULL) { printf("Using BPS patch %s", n); Stream *s = new fStream(patch_file); ret = ReadBPSPatch(s, 0, rom_size); s->closeStream(); if (ret) { printf("!\n"); return; } else printf(" failed!\n"); } // UPS _makepath(fname, drive, dir, name, "ups"); if ((patch_file = OPEN_FSTREAM(fname, "rb")) != NULL) { printf("Using UPS patch %s", fname); Stream *s = new fStream(patch_file); ret = ReadUPSPatch(s, 0, rom_size); s->closeStream(); 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); Stream *s = new unzStream(file); ret = ReadUPSPatch(s, offset, rom_size); s->closeStream(); if (ret) printf("!\n"); else printf(" failed!\n"); } } } #endif n = S9xGetFilename(".ups", PATCH_DIR); if ((patch_file = OPEN_FSTREAM(n, "rb")) != NULL) { printf("Using UPS patch %s", n); Stream *s = new fStream(patch_file); ret = ReadUPSPatch(s, 0, rom_size); s->closeStream(); if (ret) { printf("!\n"); return; } else printf(" failed!\n"); } // IPS _makepath(fname, drive, dir, name, "ips"); if ((patch_file = OPEN_FSTREAM(fname, "rb")) != NULL) { printf("Using IPS patch %s", fname); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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); if (!(patch_file = OPEN_FSTREAM(fname, "rb"))) break; printf("Using IPS patch %s", fname); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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); if (!(patch_file = OPEN_FSTREAM(fname, "rb"))) break; printf("Using IPS patch %s", fname); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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); if (!(patch_file = OPEN_FSTREAM(fname, "rb"))) break; printf("Using IPS patch %s", fname); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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); Stream *s = new unzStream(file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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); Stream *s = new unzStream(file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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); Stream *s = new unzStream(file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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); Stream *s = new unzStream(file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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", PATCH_DIR); if ((patch_file = OPEN_FSTREAM(n, "rb")) != NULL) { printf("Using IPS patch %s", n); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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, PATCH_DIR); if (!(patch_file = OPEN_FSTREAM(n, "rb"))) break; printf("Using IPS patch %s", n); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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, PATCH_DIR); if (!(patch_file = OPEN_FSTREAM(n, "rb"))) break; printf("Using IPS patch %s", n); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); 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, PATCH_DIR); if (!(patch_file = OPEN_FSTREAM(n, "rb"))) break; printf("Using IPS patch %s", n); Stream *s = new fStream(patch_file); ret = ReadIPSPatch(s, offset, rom_size); s->closeStream(); if (ret) { printf("!\n"); flag = true; } else { printf(" failed!\n"); break; } } while (++i < 10); if (flag) return; } #ifdef UNZIP_SUPPORT // Mercurial Magic (MSU-1 distribution pack) if (strcasecmp(ext, "msu1") && strcasecmp(ext, ".msu1")) // ROM was *NOT* loaded from a .msu1 pack { Stream *s = S9xMSU1OpenFile("patch.bps", TRUE); if (s) { printf("Using BPS patch %s.msu1", name); ret = ReadBPSPatch(s, offset, rom_size); s->closeStream(); if (ret) printf("!\n"); else printf(" failed!\n"); } } #endif }