mirror of https://github.com/snes9xgit/snes9x.git
4054 lines
95 KiB
C++
4054 lines
95 KiB
C++
/*****************************************************************************\
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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This file is licensed under the Snes9x License.
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For further information, consult the LICENSE file in the root directory.
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\*****************************************************************************/
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#include <string>
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#include <iomanip>
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#include <sstream>
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#include <numeric>
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#include <assert.h>
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#ifdef UNZIP_SUPPORT
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# ifdef SYSTEM_ZIP
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# include <minizip/unzip.h>
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# else
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# include "unzip/unzip.h"
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# endif
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#endif
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#ifdef JMA_SUPPORT
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#include "jma/s9x-jma.h"
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#endif
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#include <ctype.h>
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#include <sys/stat.h>
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#include "snes9x.h"
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#include "memmap.h"
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#include "apu/apu.h"
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#include "fxemu.h"
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#include "sdd1.h"
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#include "srtc.h"
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#include "controls.h"
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#include "cheats.h"
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#include "movie.h"
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#include "display.h"
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#include "sha256.h"
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#include "snapshot.h"
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#ifndef SET_UI_COLOR
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#define SET_UI_COLOR(r, g, b) ;
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#endif
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#ifndef max
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef min
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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static bool8 stopMovie = TRUE;
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// from NSRT
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static const char *nintendo_licensees[] =
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{
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"Unlicensed",
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"Nintendo",
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"Rocket Games/Ajinomoto",
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"Imagineer-Zoom",
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"Gray Matter",
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"Zamuse",
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"Falcom",
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NULL,
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"Capcom",
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"Hot B Co.",
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"Jaleco",
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"Coconuts Japan",
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"Coconuts Japan/G.X.Media",
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"Micronet",
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"Technos",
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"Mebio Software",
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"Shouei System",
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"Starfish",
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NULL,
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"Mitsui Fudosan/Dentsu",
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NULL,
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"Warashi Inc.",
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NULL,
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"Nowpro",
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NULL,
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"Game Village",
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"IE Institute",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"Banarex",
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"Starfish",
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"Infocom",
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"Electronic Arts Japan",
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NULL,
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"Cobra Team",
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"Human/Field",
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"KOEI",
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"Hudson Soft",
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"S.C.P./Game Village",
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"Yanoman",
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NULL,
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"Tecmo Products",
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"Japan Glary Business",
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"Forum/OpenSystem",
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"Virgin Games (Japan)",
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"SMDE",
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"Yojigen",
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NULL,
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"Daikokudenki",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"Creatures Inc.",
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"TDK Deep Impresion",
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NULL,
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NULL,
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|
NULL,
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NULL,
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|
NULL,
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|
NULL,
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|
NULL,
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|
NULL,
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|
NULL,
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"Destination Software/KSS",
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"Sunsoft/Tokai Engineering",
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"POW (Planning Office Wada)/VR 1 Japan",
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"Micro World",
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NULL,
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"San-X",
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"Enix",
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"Loriciel/Electro Brain",
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"Kemco Japan",
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"Seta Co.,Ltd.",
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"Culture Brain",
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"Irem Corp.",
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"Palsoft",
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"Visit Co., Ltd.",
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"Intec",
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"System Sacom",
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"Poppo",
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"Ubisoft Japan",
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NULL,
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"Media Works",
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"NEC InterChannel",
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"Tam",
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"Gajin/Jordan",
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"Smilesoft",
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NULL,
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NULL,
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"Mediakite",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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|
NULL,
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NULL,
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NULL,
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NULL,
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"Viacom",
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"Carrozzeria",
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"Dynamic",
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NULL,
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"Magifact",
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"Hect",
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"Codemasters",
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"Taito/GAGA Communications",
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"Laguna",
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"Telstar Fun & Games/Event/Taito",
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NULL,
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"Arcade Zone Ltd.",
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"Entertainment International/Empire Software",
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"Loriciel",
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"Gremlin Graphics",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"Seika Corp.",
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"UBI SOFT Entertainment Software",
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"Sunsoft US",
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NULL,
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"Life Fitness",
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NULL,
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"System 3",
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"Spectrum Holobyte",
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NULL,
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"Irem",
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NULL,
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"Raya Systems",
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"Renovation Products",
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"Malibu Games",
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NULL,
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"Eidos/U.S. Gold",
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"Playmates Interactive",
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NULL,
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NULL,
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"Fox Interactive",
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"Time Warner Interactive",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"Disney Interactive",
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NULL,
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"Black Pearl",
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NULL,
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"Advanced Productions",
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NULL,
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NULL,
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"GT Interactive",
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"RARE",
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"Crave Entertainment",
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"Absolute Entertainment",
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"Acclaim",
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"Activision",
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"American Sammy",
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"Take 2/GameTek",
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"Hi Tech",
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"LJN Ltd.",
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NULL,
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"Mattel",
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NULL,
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"Mindscape/Red Orb Entertainment",
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"Romstar",
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"Taxan",
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"Midway/Tradewest",
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NULL,
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"American Softworks Corp.",
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"Majesco Sales Inc.",
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"3DO",
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NULL,
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NULL,
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"Hasbro",
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"NewKidCo",
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"Telegames",
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"Metro3D",
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NULL,
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"Vatical Entertainment",
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"LEGO Media",
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NULL,
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"Xicat Interactive",
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"Cryo Interactive",
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NULL,
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NULL,
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"Red Storm Entertainment",
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"Microids",
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NULL,
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"Conspiracy/Swing",
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"Titus",
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"Virgin Interactive",
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"Maxis",
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NULL,
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"LucasArts Entertainment",
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NULL,
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NULL,
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"Ocean",
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NULL,
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"Electronic Arts",
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NULL,
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"Laser Beam",
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NULL,
|
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NULL,
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"Elite Systems",
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"Electro Brain",
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"The Learning Company",
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"BBC",
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NULL,
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|
"Software 2000",
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NULL,
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"BAM! Entertainment",
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"Studio 3",
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NULL,
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NULL,
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NULL,
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"Classified Games",
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NULL,
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"TDK Mediactive",
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NULL,
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"DreamCatcher",
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"JoWood Produtions",
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"SEGA",
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"Wannado Edition",
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"LSP (Light & Shadow Prod.)",
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"ITE Media",
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"Infogrames",
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"Interplay",
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"JVC (US)",
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"Parker Brothers",
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NULL,
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"SCI (Sales Curve Interactive)/Storm",
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NULL,
|
|
NULL,
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|
"THQ Software",
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|
"Accolade Inc.",
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"Triffix Entertainment",
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NULL,
|
|
"Microprose Software",
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"Universal Interactive/Sierra/Simon & Schuster",
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NULL,
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|
"Kemco",
|
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"Rage Software",
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|
"Encore",
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NULL,
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|
"Zoo",
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|
"Kiddinx",
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|
"Simon & Schuster Interactive",
|
|
"Asmik Ace Entertainment Inc./AIA",
|
|
"Empire Interactive",
|
|
NULL,
|
|
NULL,
|
|
"Jester Interactive",
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NULL,
|
|
"Rockstar Games",
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|
"Scholastic",
|
|
"Ignition Entertainment",
|
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"Summitsoft",
|
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"Stadlbauer",
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NULL,
|
|
NULL,
|
|
NULL,
|
|
"Misawa",
|
|
"Teichiku",
|
|
"Namco Ltd.",
|
|
"LOZC",
|
|
"KOEI",
|
|
NULL,
|
|
"Tokuma Shoten Intermedia",
|
|
"Tsukuda Original",
|
|
"DATAM-Polystar",
|
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NULL,
|
|
NULL,
|
|
"Bullet-Proof Software",
|
|
"Vic Tokai Inc.",
|
|
NULL,
|
|
"Character Soft",
|
|
"I'Max",
|
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"Saurus",
|
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NULL,
|
|
NULL,
|
|
"General Entertainment",
|
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NULL,
|
|
NULL,
|
|
"I'Max",
|
|
"Success",
|
|
NULL,
|
|
"SEGA Japan",
|
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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_BSCartSA1_BIOS(const uint8 *, uint32);
|
|
static bool8 is_GNEXT_Add_On (const uint8 *, uint32);
|
|
static uint32 caCRC32 (uint8 *, uint32, uint32 crc32 = 0xffffffff);
|
|
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)
|
|
{
|
|
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 (!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);
|
|
}
|
|
|
|
ROMStorage.resize(MAX_ROM_SIZE + 0x200 + 0x8000);
|
|
std::fill(ROMStorage.begin(), ROMStorage.end(), 0);
|
|
SRAMStorage.resize(SRAM_SIZE);
|
|
std::fill(SRAMStorage.begin(), SRAMStorage.end(), 0);
|
|
SRAM = &SRAMStorage[0];
|
|
memset(RAM, 0, sizeof(RAM));
|
|
memset(VRAM, 0, sizeof(VRAM));
|
|
|
|
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 = &ROMStorage[0];
|
|
|
|
// Add 0x8000 to ROM image pointer to stop SuperFX code accessing
|
|
// unallocated memory (can cause crash on some ports).
|
|
|
|
ROM = &ROMStorage[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)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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_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;
|
|
|
|
// Check for extended HiROM expansion used in Mother 2 Deluxe et al.
|
|
// Looks for size byte 13 (8MB) and an actual ROM size greater than 4MB
|
|
if (buf[0xd7] == 13 && CalculatedSize > 1024 * 1024 * 4)
|
|
score += 5;
|
|
|
|
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 (buf[0xd7] > 12)
|
|
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);
|
|
}
|
|
|
|
int CMemory::First512BytesCountZeroes() const
|
|
{
|
|
const uint8 *buf = ROM;
|
|
int zeroCount = 0;
|
|
for (int i = 0; i < 512; i++)
|
|
{
|
|
if (buf[i] == 0)
|
|
{
|
|
zeroCount++;
|
|
}
|
|
}
|
|
return zeroCount;
|
|
}
|
|
|
|
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;
|
|
memset(NSRTHeader, 0, sizeof(NSRTHeader));
|
|
HeaderCount = 0;
|
|
|
|
auto path = splitpath(filename);
|
|
|
|
int nFormat = FILE_DEFAULT;
|
|
if (path.ext_is(".zip") || path.ext_is(".msu1"))
|
|
nFormat = FILE_ZIP;
|
|
else if (path.ext_is(".jma"))
|
|
nFormat = FILE_JMA;
|
|
|
|
switch (nFormat)
|
|
{
|
|
case FILE_ZIP:
|
|
{
|
|
#ifdef UNZIP_SUPPORT
|
|
if (!LoadZip(filename, &totalSize, buffer))
|
|
{
|
|
S9xMessage(S9X_ERROR, S9X_ROM_INFO, "Invalid Zip archive.");
|
|
return (0);
|
|
}
|
|
|
|
ROMFilename = filename;
|
|
#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(filename, buffer);
|
|
if (!size)
|
|
{
|
|
S9xMessage(S9X_ERROR, S9X_ROM_INFO, "Invalid JMA archive.");
|
|
return (0);
|
|
}
|
|
|
|
totalSize = HeaderRemove(size, buffer);
|
|
|
|
ROMFilename = filename;
|
|
#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(filename, "rb");
|
|
if (!fp)
|
|
return (0);
|
|
|
|
ROMFilename = filename;
|
|
|
|
uint32 size = 0;
|
|
|
|
size = READ_STREAM(buffer, maxsize + 0x200, fp);
|
|
CLOSE_STREAM(fp);
|
|
|
|
totalSize = HeaderRemove(size, buffer);
|
|
|
|
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, const char* optional_rom_filename /*= NULL*/)
|
|
{
|
|
if(!source || sourceSize > MAX_ROM_SIZE)
|
|
return FALSE;
|
|
|
|
if (optional_rom_filename)
|
|
ROMFilename = optional_rom_filename;
|
|
else
|
|
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;
|
|
|
|
S9xResetSaveTimer(FALSE); // reset oops timer here so that .oops file has rom name of previous rom
|
|
|
|
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);
|
|
|
|
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;
|
|
int score_headered;
|
|
int score_nonheadered;
|
|
|
|
hi_score = ScoreHiROM(FALSE);
|
|
lo_score = ScoreLoROM(FALSE);
|
|
score_nonheadered = max(hi_score, lo_score);
|
|
score_headered = max(ScoreHiROM(TRUE), ScoreLoROM(TRUE));
|
|
|
|
bool size_is_likely_headered = ((ROMfillSize - 512) & 0xFFFF) == 0;
|
|
if (size_is_likely_headered) { score_headered += 2; } else { score_headered -= 2; }
|
|
if (First512BytesCountZeroes() >= 0x1E0) { score_headered += 2; } else { score_headered -= 2; }
|
|
|
|
bool headered_score_highest = score_headered > score_nonheadered;
|
|
|
|
if (HeaderCount == 0 && !Settings.ForceNoHeader && headered_score_highest)
|
|
{
|
|
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 + 0x1fff) / 0x2000) * 0x2000;
|
|
|
|
if (CalculatedSize > 0x400000 &&
|
|
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x1320 && // exclude SuperFX
|
|
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x1420 &&
|
|
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x1520 &&
|
|
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x1A20 &&
|
|
(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);
|
|
}
|
|
}
|
|
|
|
memset(&SNESGameFixes, 0, sizeof(SNESGameFixes));
|
|
SNESGameFixes.SRAMInitialValue = 0x60;
|
|
|
|
InitROM();
|
|
|
|
S9xReset();
|
|
|
|
S9xDeleteCheats();
|
|
S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR).c_str());
|
|
|
|
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)
|
|
{
|
|
S9xResetSaveTimer(FALSE); // reset oops timer here so that .oops file has rom name of previous rom
|
|
|
|
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);
|
|
|
|
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);
|
|
|
|
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;
|
|
std::string path = S9xGetDirectory(BIOS_DIR) + SLASH_STR + "STBIOS.bin";
|
|
|
|
fp = fopen(path.c_str(), "rb");
|
|
if (fp)
|
|
{
|
|
size = fread((void *) ROM, 1, 0x40000, fp);
|
|
fclose(fp);
|
|
if (!is_SufamiTurbo_BIOS(ROM, size))
|
|
return (FALSE);
|
|
}
|
|
else
|
|
return (FALSE);
|
|
|
|
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)
|
|
ROMFilename = Multi.fileNameA;
|
|
else if (Multi.cartSizeB)
|
|
ROMFilename = Multi.fileNameB;
|
|
|
|
memset(&SNESGameFixes, 0, sizeof(SNESGameFixes));
|
|
SNESGameFixes.SRAMInitialValue = 0x60;
|
|
|
|
InitROM();
|
|
|
|
S9xReset();
|
|
|
|
S9xDeleteCheats();
|
|
S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR).c_str());
|
|
|
|
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 <= (int32)(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;
|
|
|
|
fp = fopen(S9xGetFilename(".rtc", SRAM_DIR).c_str(), "rb");
|
|
if (!fp)
|
|
return (FALSE);
|
|
|
|
if (fread(RTCData.reg, 1, 20, fp) < 20)
|
|
memset (RTCData.reg, 0, 20);
|
|
fclose(fp);
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
bool8 CMemory::SaveSRTC (void)
|
|
{
|
|
FILE *fp;
|
|
|
|
fp = fopen(S9xGetFilename(".rtc", SRAM_DIR).c_str(), "wb");
|
|
if (!fp)
|
|
return (FALSE);
|
|
|
|
if (fwrite(RTCData.reg, 1, 20, fp) < 20)
|
|
{
|
|
printf ("Failed to save clock data.\n");
|
|
}
|
|
fclose(fp);
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
void CMemory::ClearSRAM (bool8 onlyNonSavedSRAM)
|
|
{
|
|
if (onlyNonSavedSRAM)
|
|
if (!(Settings.SuperFX && ROMType < 0x15) && !(Settings.SA1 && ROMType == 0x34)) // can have SRAM
|
|
return;
|
|
// TODO: If SRAM size changes change this value as well
|
|
memset(SRAM, SNESGameFixes.SRAMInitialValue, 0x80000);
|
|
}
|
|
|
|
bool8 CMemory::LoadSRAM (const char *filename)
|
|
{
|
|
FILE *file;
|
|
int size, len;
|
|
|
|
ClearSRAM();
|
|
|
|
if (Multi.cartType && Multi.sramSizeB)
|
|
{
|
|
size = (1 << (Multi.sramSizeB + 3)) * 128;
|
|
|
|
file = fopen(S9xGetFilename(Multi.fileNameB, ".srm", SRAM_DIR).c_str(), "rb");
|
|
if (file)
|
|
{
|
|
len = fread((char *) Multi.sramB, 1, 0x10000, file);
|
|
fclose(file);
|
|
if (len - size == 512)
|
|
memmove(Multi.sramB, Multi.sramB + 512, size);
|
|
}
|
|
}
|
|
|
|
size = SRAMSize ? (1 << (SRAMSize + 3)) * 128 : 0;
|
|
if (LoROM)
|
|
size = size < 0x70000 ? size : 0x70000;
|
|
else if (HiROM)
|
|
size = size < 0x40000 ? size : 0x40000;
|
|
|
|
if (size)
|
|
{
|
|
file = fopen(filename, "rb");
|
|
if (file)
|
|
{
|
|
len = fread((char *) SRAM, 1, size, 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
|
|
std::string path = S9xGetDirectory(SRAM_DIR) + SLASH_STR + "BS-X.srm";
|
|
|
|
file = fopen(path.c_str(), "rb");
|
|
if (file)
|
|
{
|
|
len = fread((char *) SRAM, 1, size, 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;
|
|
|
|
if (Multi.cartType && Multi.sramSizeB)
|
|
{
|
|
std::string name = S9xGetFilename(Multi.fileNameB, ".srm", SRAM_DIR);
|
|
size = (1 << (Multi.sramSizeB + 3)) * 128;
|
|
|
|
file = fopen(name.c_str(), "wb");
|
|
if (file)
|
|
{
|
|
if (!fwrite((char *) Multi.sramB, size, 1, file))
|
|
printf ("Couldn't write to subcart SRAM file.\n");
|
|
fclose(file);
|
|
}
|
|
}
|
|
|
|
size = SRAMSize ? (1 << (SRAMSize + 3)) * 128 : 0;
|
|
if (LoROM)
|
|
size = size < 0x70000 ? size : 0x70000;
|
|
else if (HiROM)
|
|
size = size < 0x40000 ? size : 0x40000;
|
|
|
|
if (size)
|
|
{
|
|
file = fopen(filename, "wb");
|
|
if (file)
|
|
{
|
|
if (!fwrite((char *) SRAM, size, 1, file))
|
|
printf ("Couldn't write to SRAM file.\n");
|
|
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;
|
|
|
|
size = 0x100000;
|
|
if (size)
|
|
{
|
|
file = fopen(filename, "wb");
|
|
if (file)
|
|
{
|
|
size_t written;
|
|
written = fwrite((char *)Memory.ROM + Multi.cartOffsetB, size, 1, file);
|
|
fclose(file);
|
|
|
|
return (written > 0);
|
|
}
|
|
}
|
|
}
|
|
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);
|
|
}
|
|
|
|
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;
|
|
// Fall through
|
|
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:
|
|
// SuperFX FastROM for ROM hacks
|
|
case 0x1330:
|
|
case 0x1430:
|
|
case 0x1530:
|
|
case 0x1A30:
|
|
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);
|
|
sha256sum(ROM, CalculatedSize, ROMSHA256);
|
|
}
|
|
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);
|
|
sha256sum(ROM, CalculatedSize, ROMSHA256);
|
|
// 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)) || ROMRegion == 18)) // 18 is used by "Tintin in Tibet (Europe) (En,Es,Sv)"
|
|
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);
|
|
}
|
|
|
|
// Use slight blue tint to indicate ROM was patched.
|
|
if (Settings.IsPatched)
|
|
{
|
|
Settings.DisplayColor = BUILD_PIXEL(26, 26, 31);
|
|
SET_UI_COLOR(216, 216, 255);
|
|
}
|
|
|
|
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.IRQTriggerCycles = 14;
|
|
Timings.APUSpeedup = 0;
|
|
S9xAPUTimingSetSpeedup(Timings.APUSpeedup);
|
|
|
|
IPPU.TotalEmulatedFrames = 0;
|
|
|
|
//// Hack games
|
|
|
|
ApplyROMFixes();
|
|
|
|
//// Show ROM information
|
|
ROMId[4] = 0;
|
|
strcpy(ROMId, SafeString(ROMId).c_str());
|
|
|
|
|
|
sprintf(String, "\"%s\" [%s] %s, %s, %s, %s, SRAM:%s, ID:%s, CRC32:%08X",
|
|
SafeString(ROMName).c_str(),
|
|
isChecksumOK ? "checksum ok"
|
|
: Settings.IsPatched == 3 ? "UPS Patched"
|
|
: Settings.IsPatched == 2 ? "BPS Patched"
|
|
: Settings.IsPatched == 1 ? "IPS Patched"
|
|
: ((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 *) (pint) 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);
|
|
if (SRAMSize > 0)
|
|
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 + 8MB such that each 32K
|
|
// block is repeated twice in each 64K block.
|
|
for (int c = 0; c < 64; c++)
|
|
{
|
|
memmove(&ROM[0x800000 + c * 0x10000], &ROM[c * 0x8000], 0x8000);
|
|
memmove(&ROM[0x808000 + c * 0x10000], &ROM[c * 0x8000], 0x8000);
|
|
}
|
|
|
|
// Check GSU revision (not 100% accurate but it works)
|
|
// GSU2
|
|
if (CalculatedSize > 0x400000)
|
|
{
|
|
map_lorom(0x00, 0x3f, 0x8000, 0xffff, 0x200000);
|
|
map_lorom_offset(0x80, 0xbf, 0x8000, 0xffff, 0x200000, 0x200000);
|
|
|
|
map_hirom_offset(0x40, 0x5f, 0x0000, 0xffff, 0x200000, 0);
|
|
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize - 0x400000, 0x400000);
|
|
|
|
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);
|
|
}
|
|
else if (CalculatedSize > 0x200000)
|
|
{
|
|
map_lorom(0x00, 0x3f, 0x8000, 0xffff, 0x200000);
|
|
map_lorom_offset(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize - 0x200000, 0x200000);
|
|
|
|
map_hirom_offset(0x40, 0x5f, 0x0000, 0xffff, 0x200000, 0);
|
|
map_hirom_offset(0xc0, 0xff, 0x0000, 0xffff, CalculatedSize - 0x200000, 0x200000);
|
|
|
|
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);
|
|
}
|
|
// GSU1
|
|
else
|
|
{
|
|
map_lorom(0x00, 0x3f, 0x8000, 0xffff, CalculatedSize);
|
|
map_lorom(0x80, 0xbf, 0x8000, 0xffff, CalculatedSize);
|
|
|
|
map_hirom_offset(0x40, 0x5f, 0x0000, 0xffff, CalculatedSize, 0);
|
|
map_hirom_offset(0xc0, 0xdf, 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_space(0xf0, 0xf0, 0x0000, 0xffff, SRAM);
|
|
map_space(0xf1, 0xf1, 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(0x60, 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_index(0xa0, 0xbf, 0x6000, 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, 0x37ff, FillRAM);
|
|
map_space(0x80, 0xbf, 0x3000, 0x37ff, 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 < 0x4f; c++)
|
|
map_space(c, c, 0x0000, 0xffff, SRAM + (c & 3) * 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 40->4f
|
|
for (int c = 0x400; c < 0x500; c++)
|
|
SA1.Map[c] = SA1.WriteMap[c] = (uint8*)MAP_HIROM_SRAM;
|
|
|
|
// SA-1 Banks 60->6f
|
|
for (int c = 0x600; c < 0x700; c++)
|
|
SA1.Map[c] = SA1.WriteMap[c] = (uint8 *) MAP_BWRAM_BITMAP;
|
|
|
|
// WRAM is inaccessable
|
|
for (int c = 0x7e0; c < 0x800; c++)
|
|
SA1.Map[c] = SA1.WriteMap[c] = (uint8 *) MAP_NONE;
|
|
|
|
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;
|
|
|
|
// WRAM is inaccessable
|
|
for (int c = 0x7e0; c < 0x800; c++)
|
|
SA1.Map[c] = SA1.WriteMap[c] = (uint8 *) MAP_NONE;
|
|
|
|
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, "%d Kbit", 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, "%d Mbit", 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]);
|
|
}
|
|
|
|
static std::string sjis_to_utf8(std::string in)
|
|
{
|
|
std::string out;
|
|
for (const auto &i : in)
|
|
{
|
|
unsigned char c = i;
|
|
if (c > 160 && c < 192)
|
|
out += "\357\275";
|
|
else if (c >= 192)
|
|
{
|
|
out += "\357\276";
|
|
c -= 0x40;
|
|
}
|
|
out += c;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::string CMemory::GetMultilineROMInfo()
|
|
{
|
|
bool8 isChecksumOK = (Memory.ROMChecksum + Memory.ROMComplementChecksum == 0xffff) &&
|
|
(Memory.ROMChecksum == Memory.CalculatedChecksum);
|
|
std::string utf8_romname = sjis_to_utf8(Memory.ROMName);
|
|
std::string tvstandard = Settings.PAL ? "PAL" : "NTSC";
|
|
std::string checksum = isChecksumOK ? "Checksum OK"
|
|
: Settings.IsPatched == 3 ? "UPS patched"
|
|
: Settings.IsPatched == 2 ? "BPS patched"
|
|
: Settings.IsPatched == 1 ? "IPS patched"
|
|
: "Invalid Checksum";
|
|
|
|
std::stringstream ss;
|
|
ss << "\"" << utf8_romname << "\" (" + tvstandard + ") version " << Memory.Revision() << "\n";
|
|
ss << Memory.KartContents() << ": " << Memory.MapType() << ": " << Memory.Size() << ", SRAM: " << Memory.StaticRAMSize() << "\n";
|
|
ss << "ID: " << Memory.ROMId << ", CRC32: " << std::setfill('0') << std::setw(8) << std::setbase(16) << Memory.ROMCRC32 << ", " << checksum;
|
|
|
|
return ss.str();
|
|
}
|
|
|
|
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;
|
|
|
|
if (Settings.DisableGameSpecificHacks)
|
|
return;
|
|
|
|
// APU timing hacks
|
|
if (match_na("CIRCUIT USA"))
|
|
Timings.APUSpeedup = 3;
|
|
|
|
S9xAPUTimingSetSpeedup(Timings.APUSpeedup);
|
|
|
|
// Other timing hacks
|
|
// The delay to sync CPU and DMA which Snes9x does not emulate.
|
|
// Some games need really severe delay timing...
|
|
if (match_na("BATTLE GRANDPRIX")) // Battle Grandprix
|
|
Timings.DMACPUSync = 20;
|
|
else if (match_na("KORYU NO MIMI ENG")) // Koryu no Mimi translation by rpgone)
|
|
{
|
|
// An infinite loop reads $4210 and checks NMI flag. This only works if LDA instruction executes before the NMI triggers,
|
|
// which doesn't work very well with s9x's default DMA timing.
|
|
Timings.DMACPUSync = 20;
|
|
}
|
|
|
|
if (Timings.DMACPUSync != 18)
|
|
printf("DMA sync: %d\n", Timings.DMACPUSync);
|
|
|
|
// SRAM initial value
|
|
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("S.F.S.95 della SerieA") ||
|
|
match_id("AACJ") || // Nichibutsu Arcade Classics
|
|
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 :(
|
|
// 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");
|
|
}
|
|
|
|
// Render Position
|
|
if (match_na("Sugoro Quest++"))
|
|
Timings.RenderPos = 128;
|
|
else if (match_na("FIREPOWER 2000") || match_na("SUPER SWIV"))
|
|
Timings.RenderPos = 32;
|
|
else if (match_na("DERBY STALLION 98"))
|
|
Timings.RenderPos = 128;
|
|
else if (match_na("AIR STRIKE PATROL") || match_na("DESERT FIGHTER"))
|
|
Timings.RenderPos = 128; // Just hides shadow
|
|
else if (match_na("FULL THROTTLE RACING"))
|
|
Timings.RenderPos = 128;
|
|
// From bsnes
|
|
else if (match_na("NHL '94") || match_na("NHL PROHOCKEY'94"))
|
|
Timings.RenderPos = 32;
|
|
else if (match_na("ADVENTURES OF FRANKEN") && Settings.PAL)
|
|
Timings.RenderPos = 32;
|
|
}
|
|
|
|
std::string CMemory::SafeString(std::string s, bool allow_jis /*=false*/)
|
|
{
|
|
std::string safe;
|
|
for (size_t i = 0; i < s.length(); i++)
|
|
{
|
|
if (s[i] >= 32 && s[i] < 127) // ASCII
|
|
safe += s[i];
|
|
else
|
|
if (allow_jis && ROMRegion == 0 && ((uint8)s[i] >= 0xa0 && (uint8)s[i] < 0xe0)) // JIS X 201 - Katakana
|
|
safe += s[i];
|
|
else
|
|
safe += '_';
|
|
}
|
|
|
|
return safe;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
static std::vector<uint8_t> ReadStreamUntilEOF(Stream *r)
|
|
{
|
|
const size_t max_buffer_size = 4096;
|
|
std::vector<uint8_t> data;
|
|
uint8_t buffer[max_buffer_size];
|
|
size_t total_size = 0;
|
|
size_t buffer_size = 0;
|
|
|
|
int value = 0;
|
|
while (value != EOF)
|
|
{
|
|
value = r->get_char();
|
|
if (value != EOF)
|
|
buffer[buffer_size++] = value;
|
|
|
|
if (buffer_size == max_buffer_size || (value == EOF && buffer_size > 0))
|
|
{
|
|
data.resize(data.size() + buffer_size);
|
|
memcpy(&data[total_size], buffer, buffer_size);
|
|
total_size += buffer_size;
|
|
buffer_size = 0;
|
|
}
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
//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
|
|
auto data_vector = ReadStreamUntilEOF(r);
|
|
uint8 *data = &data_vector[0];
|
|
uint32 size = data_vector.size();
|
|
|
|
//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) return false; //patch is too small
|
|
|
|
uint32 addr = 4;
|
|
if (memcmp(data, "UPS1", 4) != 0) return false; //patch has an invalid header
|
|
|
|
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) { return false; } //patch is corrupted
|
|
if(!Settings.IgnorePatchChecksum && (rom_crc32 != px_crc32) && (rom_crc32 != py_crc32)) 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) { 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;
|
|
|
|
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))
|
|
) {
|
|
Settings.IsPatched = 3;
|
|
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)
|
|
{
|
|
auto data_vector = ReadStreamUntilEOF(r);
|
|
uint8 *data = &data_vector[0];
|
|
uint32 size = data_vector.size();
|
|
|
|
/* 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) return false; //patch is too small
|
|
|
|
uint32 addr = 4;
|
|
if (memcmp(data, "BPS1", 4) != 0) return false; //patch has an invalid header
|
|
|
|
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) return false; //patch is corrupted
|
|
if(!Settings.IgnorePatchChecksum && rom_crc32 != source_crc32) return false; //patch is for a different ROM
|
|
|
|
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) return false; //applying this patch will overflow Memory.ROM buffer
|
|
|
|
enum { SourceRead, TargetRead, SourceCopy, TargetCopy };
|
|
uint32 outputOffset = 0, sourceRelativeOffset = 0, targetRelativeOffset = 0;
|
|
|
|
std::vector<uint8_t> patched_rom_vector(target_size);
|
|
uint8 *patched_rom = &patched_rom_vector[0];
|
|
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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
Settings.IsPatched = 2;
|
|
return true;
|
|
} else {
|
|
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;
|
|
|
|
Settings.IsPatched = 1;
|
|
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)
|
|
{
|
|
Settings.IsPatched = false;
|
|
|
|
if (Settings.NoPatch)
|
|
return;
|
|
|
|
FSTREAM patch_file = NULL;
|
|
long offset = header ? 512 : 0;
|
|
int ret;
|
|
bool flag = false;
|
|
|
|
auto path = splitpath(rom_filename);
|
|
|
|
auto try_patch = [&](const char *type, std::string filename, bool8(*read_patch_func)(Stream * r, long offset, int32 &rom_size)) -> bool {
|
|
if ((patch_file = OPEN_FSTREAM(filename.c_str(), "rb")) != NULL)
|
|
{
|
|
printf("Using %s patch %s", type, filename.c_str());
|
|
|
|
Stream *s = new fStream(patch_file);
|
|
ret = read_patch_func(s, offset, rom_size);
|
|
s->closeStream();
|
|
|
|
if (ret)
|
|
{
|
|
printf("!\n");
|
|
flag = true;
|
|
return true;
|
|
}
|
|
else
|
|
printf(" failed!\n");
|
|
}
|
|
return false;
|
|
};
|
|
|
|
auto try_ips_sequence = [&](const char *pattern, enum s9x_getdirtype dirtype) -> bool {
|
|
for (int i = 0; i < 1000; i++)
|
|
{
|
|
char ips[9];
|
|
snprintf(ips, 9, pattern, i);
|
|
if (!try_patch("IPS", S9xGetFilename(ips, dirtype), ReadIPSPatch))
|
|
break;
|
|
}
|
|
return flag;
|
|
};
|
|
|
|
auto try_patch_type_sequence = [&](enum s9x_getdirtype dirtype) -> bool {
|
|
if (try_patch("BPS", S9xGetFilename(".bps", dirtype), ReadBPSPatch))
|
|
return true;
|
|
if (try_patch("UPS", S9xGetFilename(".ups", dirtype), ReadUPSPatch))
|
|
return true;
|
|
if (try_patch("IPS", S9xGetFilename(".ips", dirtype), ReadIPSPatch))
|
|
return true;
|
|
if (try_ips_sequence(".%03d.ips", dirtype))
|
|
return true;
|
|
if (try_ips_sequence(".ips%d", dirtype))
|
|
return true;
|
|
if (try_ips_sequence(".ip%d", dirtype))
|
|
return true;
|
|
|
|
return false;
|
|
};
|
|
|
|
if (try_patch_type_sequence(ROMFILENAME_DIR))
|
|
return;
|
|
|
|
#ifdef UNZIP_SUPPORT
|
|
if (path.ext_is(".zip"))
|
|
{
|
|
unzFile file = unzOpen(rom_filename);
|
|
if (file)
|
|
{
|
|
auto try_zip_patch = [&](const char *ext, bool8 (*read_patch_func)(Stream * r, long offset, int32 &rom_size)) -> bool {
|
|
if (unzFindExtension(file, ext) == UNZ_OK)
|
|
{
|
|
printf(" in %s", rom_filename);
|
|
|
|
Stream *s = new unzStream(file);
|
|
ret = read_patch_func(s, offset, rom_size);
|
|
delete s;
|
|
|
|
if (ret)
|
|
{
|
|
printf("!\n");
|
|
flag = true;
|
|
return true;
|
|
}
|
|
|
|
printf(" failed!\n");
|
|
}
|
|
return false;
|
|
};
|
|
|
|
auto try_zip_ips_sequence = [&](const char *pattern) {
|
|
for (int i = 0; i < 1000; i++)
|
|
{
|
|
char ips[8];
|
|
snprintf(ips, 8, pattern, i);
|
|
if (!try_zip_patch(ips, ReadIPSPatch))
|
|
break;
|
|
}
|
|
};
|
|
|
|
if (!flag)
|
|
try_zip_patch("bps", ReadBPSPatch);
|
|
if (!flag)
|
|
try_zip_patch("ups", ReadUPSPatch);
|
|
if (!flag)
|
|
try_zip_patch("ips", ReadIPSPatch);
|
|
if (!flag)
|
|
try_zip_ips_sequence("%03d.ips");
|
|
if (!flag)
|
|
try_zip_ips_sequence("ips%d");
|
|
if (!flag)
|
|
try_zip_ips_sequence("ip%d");
|
|
|
|
assert(unzClose(file) == UNZ_OK);
|
|
|
|
if (flag)
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Mercurial Magic (MSU-1 distribution pack)
|
|
if (path.ext_is(".msu1")) // ROM was *NOT* loaded from a .msu1 pack
|
|
{
|
|
Stream *s = S9xMSU1OpenFile("patch.bps", TRUE);
|
|
if (s)
|
|
{
|
|
printf("Using BPS patch from msu1");
|
|
ret = ReadBPSPatch(s, offset, rom_size);
|
|
s->closeStream();
|
|
|
|
if (ret)
|
|
printf("!\n");
|
|
else
|
|
printf(" failed!\n");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (try_patch_type_sequence(PATCH_DIR))
|
|
return;
|
|
}
|