libretro/snes9x
1
0
Fork 0
mirror of https://github.com/libretro/snes9x.git synced 2024-12-14 20:48:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
9f795150fc
snes9x/memmap.h
Dwedit d044d370f8 Change detection of copier headers
2018-08-28 13:53:09 -05:00

405 lines
12 KiB
C
Raw Blame History

/***********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2018 BearOso,
OV2
(c) Copyright 2017 qwertymodo
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com),
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001 - 2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2018 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2018 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com/
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
***********************************************************************************/
#ifndef _MEMMAP_H_
#define _MEMMAP_H_
#define MEMMAP_BLOCK_SIZE (0x1000)
#define MEMMAP_NUM_BLOCKS (0x1000000 / MEMMAP_BLOCK_SIZE)
#define MEMMAP_SHIFT (12)
#define MEMMAP_MASK (MEMMAP_BLOCK_SIZE - 1)
struct CMemory
{
enum
{ MAX_ROM_SIZE = 0x800000 };
enum file_formats
{ FILE_ZIP, FILE_JMA, FILE_DEFAULT };
enum
{ NOPE, YEAH, BIGFIRST, SMALLFIRST };
enum
{ MAP_TYPE_I_O, MAP_TYPE_ROM, MAP_TYPE_RAM };
enum
{
MAP_CPU,
MAP_PPU,
MAP_LOROM_SRAM,
MAP_LOROM_SRAM_B,
MAP_HIROM_SRAM,
MAP_DSP,
MAP_SA1RAM,
MAP_BWRAM,
MAP_BWRAM_BITMAP,
MAP_BWRAM_BITMAP2,
MAP_SPC7110_ROM,
MAP_SPC7110_DRAM,
MAP_RONLY_SRAM,
MAP_C4,
MAP_OBC_RAM,
MAP_SETA_DSP,
MAP_SETA_RISC,
MAP_BSX,
MAP_NONE,
MAP_LAST
};
uint8 NSRTHeader[32];
int32 HeaderCount;
uint8 *RAM;
uint8 *ROM;
uint8 *SRAM;
uint8 *VRAM;
uint8 *FillRAM;
uint8 *BWRAM;
uint8 *C4RAM;
uint8 *OBC1RAM;
uint8 *BSRAM;
uint8 *BIOSROM;
uint8 *Map[MEMMAP_NUM_BLOCKS];
uint8 *WriteMap[MEMMAP_NUM_BLOCKS];
uint8 BlockIsRAM[MEMMAP_NUM_BLOCKS];
uint8 BlockIsROM[MEMMAP_NUM_BLOCKS];
uint8 ExtendedFormat;
char ROMFilename[PATH_MAX + 1];
char ROMName[ROM_NAME_LEN];
char RawROMName[ROM_NAME_LEN];
char ROMId[5];
int32 CompanyId;
uint8 ROMRegion;
uint8 ROMSpeed;
uint8 ROMType;
uint8 ROMSize;
uint32 ROMChecksum;
uint32 ROMComplementChecksum;
uint32 ROMCRC32;
unsigned char ROMSHA256[32];
int32 ROMFramesPerSecond;
bool8 HiROM;
bool8 LoROM;
uint8 SRAMSize;
uint32 SRAMMask;
uint32 CalculatedSize;
uint32 CalculatedChecksum;
// ports can assign this to perform some custom action upon loading a ROM (such as adjusting controls)
void (*PostRomInitFunc) (void);
bool8 Init (void);
void Deinit (void);
int ScoreHiROM (bool8, int32 romoff = 0);
int ScoreLoROM (bool8, int32 romoff = 0);
int First512BytesCountZeroes() const;
uint32 HeaderRemove (uint32, uint8 *);
uint32 FileLoader (uint8 *, const char *, uint32);
uint32 MemLoader (uint8 *, const char*, uint32);
bool8 LoadROMMem (const uint8 *, uint32);
bool8 LoadROM (const char *);
bool8 LoadROMInt (int32);
bool8 LoadMultiCartMem (const uint8 *, uint32, const uint8 *, uint32, const uint8 *, uint32);
bool8 LoadMultiCart (const char *, const char *);
bool8 LoadMultiCartInt ();
bool8 LoadSufamiTurbo ();
bool8 LoadBSCart ();
bool8 LoadGNEXT ();
bool8 LoadSRAM (const char *);
bool8 SaveSRAM (const char *);
void ClearSRAM (bool8 onlyNonSavedSRAM = 0);
bool8 LoadSRTC (void);
bool8 SaveSRTC (void);
bool8 SaveMPAK (const char *);
char * Safe (const char *);
char * SafeANK (const char *);
void ParseSNESHeader (uint8 *);
void InitROM (void);
uint32 map_mirror (uint32, uint32);
void map_lorom (uint32, uint32, uint32, uint32, uint32);
void map_hirom (uint32, uint32, uint32, uint32, uint32);
void map_lorom_offset (uint32, uint32, uint32, uint32, uint32, uint32);
void map_hirom_offset (uint32, uint32, uint32, uint32, uint32, uint32);
void map_space (uint32, uint32, uint32, uint32, uint8 *);
void map_index (uint32, uint32, uint32, uint32, int, int);
void map_System (void);
void map_WRAM (void);
void map_LoROMSRAM (void);
void map_HiROMSRAM (void);
void map_DSP (void);
void map_C4 (void);
void map_OBC1 (void);
void map_SetaRISC (void);
void map_SetaDSP (void);
void map_WriteProtectROM (void);
void Map_Initialize (void);
void Map_LoROMMap (void);
void Map_NoMAD1LoROMMap (void);
void Map_JumboLoROMMap (void);
void Map_ROM24MBSLoROMMap (void);
void Map_SRAM512KLoROMMap (void);
void Map_SufamiTurboLoROMMap (void);
void Map_SufamiTurboPseudoLoROMMap (void);
void Map_SuperFXLoROMMap (void);
void Map_SetaDSPLoROMMap (void);
void Map_SDD1LoROMMap (void);
void Map_SA1LoROMMap (void);
void Map_BSSA1LoROMMap (void);
void Map_HiROMMap (void);
void Map_ExtendedHiROMMap (void);
void Map_SPC7110HiROMMap (void);
void Map_BSCartLoROMMap(uint8);
void Map_BSCartHiROMMap(void);
uint16 checksum_calc_sum (uint8 *, uint32);
uint16 checksum_mirror_sum (uint8 *, uint32 &, uint32 mask = 0x800000);
void Checksum_Calculate (void);
bool8 match_na (const char *);
bool8 match_nn (const char *);
bool8 match_nc (const char *);
bool8 match_id (const char *);
void ApplyROMFixes (void);
void CheckForAnyPatch (const char *, bool8, int32 &);
void MakeRomInfoText (char *);
const char * MapType (void);
const char * StaticRAMSize (void);
const char * Size (void);
const char * Revision (void);
const char * KartContents (void);
const char * Country (void);
const char * PublishingCompany (void);
};
struct SMulti
{
int cartType;
int32 cartSizeA, cartSizeB;
int32 sramSizeA, sramSizeB;
uint32 sramMaskA, sramMaskB;
uint32 cartOffsetA, cartOffsetB;
uint8 *sramA, *sramB;
char fileNameA[PATH_MAX + 1], fileNameB[PATH_MAX + 1];
};
extern CMemory Memory;
extern SMulti Multi;
void S9xAutoSaveSRAM (void);
bool8 LoadZip(const char *, uint32 *, uint8 *);
enum s9xwrap_t
{
WRAP_NONE,
WRAP_BANK,
WRAP_PAGE
};
enum s9xwriteorder_t
{
WRITE_01,
WRITE_10
};
#include "getset.h"
#endif
Reference in New Issue View Git Blame Copy Permalink