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authorKitty Draper2011-03-05 21:39:25 -0500
committerKitty Draper2011-03-05 21:39:25 -0500
commitd40ae99422e118188a7f48055dc340c6aca022aa (patch)
tree83ab93f49fd9e66e43bcd824091ae1dbcaa0c173 /source/memmap.h
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+/*******************************************************************************
+ Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
+
+ (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
+ Jerremy Koot (jkoot@snes9x.com)
+
+ (c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net)
+
+ (c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net),
+ funkyass (funkyass@spam.shaw.ca),
+ Joel Yliluoma (http://iki.fi/bisqwit/)
+ Kris Bleakley (codeviolation@hotmail.com),
+ Matthew Kendora,
+ Nach (n-a-c-h@users.sourceforge.net),
+ Peter Bortas (peter@bortas.org) and
+ zones (kasumitokoduck@yahoo.com)
+
+ C4 x86 assembler and some C emulation code
+ (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
+ _Demo_ (_demo_@zsnes.com), and Nach
+
+ C4 C++ code
+ (c) Copyright 2003 Brad Jorsch
+
+ DSP-1 emulator code
+ (c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
+ John Weidman, neviksti (neviksti@hotmail.com),
+ Kris Bleakley, Andreas Naive
+
+ DSP-2 emulator code
+ (c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
+ Lord Nightmare (lord_nightmare@users.sourceforge.net
+
+ OBC1 emulator code
+ (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and
+ Kris Bleakley
+ Ported from x86 assembler to C by sanmaiwashi
+
+ SPC7110 and RTC C++ emulator code
+ (c) Copyright 2002 Matthew Kendora with research by
+ zsKnight, John Weidman, and Dark Force
+
+ S-DD1 C emulator code
+ (c) Copyright 2003 Brad Jorsch with research by
+ Andreas Naive and John Weidman
+
+ S-RTC C emulator code
+ (c) Copyright 2001 John Weidman
+
+ ST010 C++ emulator code
+ (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
+
+ Super FX x86 assembler emulator code
+ (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
+
+ Super FX C emulator code
+ (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
+
+
+ SH assembler code partly based on x86 assembler code
+ (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
+
+
+ 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 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.
+
+ Snes9x is freeware for PERSONAL USE only. Commercial users should
+ seek permission of the copyright holders first. Commercial use includes
+ charging money for Snes9x or software derived from Snes9x.
+
+ 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_
+
+#include "snes9x.h"
+
+#ifdef FAST_LSB_WORD_ACCESS
+#define READ_WORD(s) (*(uint16 *) (s))
+#define READ_DWORD(s) (*(uint32 *) (s))
+#define WRITE_WORD(s, d) (*(uint16 *) (s)) = (d)
+#define WRITE_DWORD(s, d) (*(uint32 *) (s)) = (d)
+
+#define READ_3WORD(s) (0x00ffffff & *(uint32 *) (s))
+#define WRITE_3WORD(s, d) *(uint16 *) (s) = (uint16)(d),\
+ *((uint8 *) (s) + 2) = (uint8) ((d) >> 16)
+
+
+#else
+#define READ_WORD(s) ( *(uint8 *) (s) |\
+ (*((uint8 *) (s) + 1) << 8))
+#define READ_DWORD(s) ( *(uint8 *) (s) |\
+ (*((uint8 *) (s) + 1) << 8) |\
+ (*((uint8 *) (s) + 2) << 16) |\
+ (*((uint8 *) (s) + 3) << 24))
+#define WRITE_WORD(s, d) *(uint8 *) (s) = (d), \
+ *((uint8 *) (s) + 1) = (d) >> 8
+#define WRITE_DWORD(s, d) *(uint8 *) (s) = (uint8) (d), \
+ *((uint8 *) (s) + 1) = (uint8) ((d) >> 8),\
+ *((uint8 *) (s) + 2) = (uint8) ((d) >> 16),\
+ *((uint8 *) (s) + 3) = (uint8) ((d) >> 24)
+#define WRITE_3WORD(s, d) *(uint8 *) (s) = (uint8) (d), \
+ *((uint8 *) (s) + 1) = (uint8) ((d) >> 8),\
+ *((uint8 *) (s) + 2) = (uint8) ((d) >> 16)
+#define READ_3WORD(s) ( *(uint8 *) (s) |\
+ (*((uint8 *) (s) + 1) << 8) |\
+ (*((uint8 *) (s) + 2) << 16))
+#endif
+
+#define MEMMAP_BLOCK_SIZE (0x1000)
+#define MEMMAP_NUM_BLOCKS (0x1000000 / MEMMAP_BLOCK_SIZE)
+#define MEMMAP_BLOCKS_PER_BANK (0x10000 / MEMMAP_BLOCK_SIZE)
+#define MEMMAP_SHIFT 12
+#define MEMMAP_MASK (MEMMAP_BLOCK_SIZE - 1)
+#define MEMMAP_MAX_SDD1_LOGGED_ENTRIES (0x10000 / 8)
+
+//Extended ROM Formats
+#define NOPE 0
+#define YEAH 1
+#define BIGFIRST 2
+#define SMALLFIRST 3
+
+//File Formats go here
+#define ZIP 0
+#define RAR 1
+#define DEFAULT 2
+
+class CMemory {
+public:
+ bool8 LoadROM (const char *);
+ uint32 FileLoader (uint8* buffer, const char* filename, int32 maxsize);
+ void InitROM (bool8);
+ bool8 LoadSRAM (const char *);
+ bool8 SaveSRAM (const char *);
+ bool8 Init ();
+ void Deinit ();
+ void FreeSDD1Data ();
+
+ void WriteProtectROM ();
+ void FixROMSpeed ();
+ void MapRAM ();
+ void MapExtraRAM ();
+ char *Safe (const char *);
+
+ void BSLoROMMap();
+ void JumboLoROMMap (bool8);
+ void LoROMMap ();
+ void LoROM24MBSMap ();
+ void SRAM512KLoROMMap ();
+// void SRAM1024KLoROMMap ();
+ void SufamiTurboLoROMMap ();
+ void HiROMMap ();
+ void SuperFXROMMap ();
+ void TalesROMMap (bool8);
+ void AlphaROMMap ();
+ void SA1ROMMap ();
+ void BSHiROMMap ();
+ void SPC7110HiROMMap();
+ void SPC7110Sram(uint8);
+ void SetaDSPMap();
+ bool8 AllASCII (uint8 *b, int size);
+ int ScoreHiROM (bool8 skip_header, int32 offset=0);
+ int ScoreLoROM (bool8 skip_header, int32 offset=0);
+#if 0
+ void SufamiTurboAltROMMap();
+#endif
+ void ApplyROMFixes ();
+ void CheckForIPSPatch (const char *rom_filename, bool8 header,
+ int32 &rom_size);
+
+ const char *TVStandard ();
+ const char *Speed ();
+ const char *StaticRAMSize ();
+ const char *MapType ();
+ const char *MapMode ();
+ const char *KartContents ();
+ const char *Size ();
+ const char *Headers ();
+ const char *ROMID ();
+ const char *CompanyID ();
+ void ParseSNESHeader(uint8*);
+ enum {
+ MAP_PPU, MAP_CPU, MAP_DSP, MAP_LOROM_SRAM, MAP_HIROM_SRAM,
+ MAP_NONE, MAP_DEBUG, MAP_C4, MAP_BWRAM, MAP_BWRAM_BITMAP,
+ MAP_BWRAM_BITMAP2, MAP_SA1RAM, MAP_SPC7110_ROM, MAP_SPC7110_DRAM,
+ MAP_RONLY_SRAM, MAP_OBC_RAM, MAP_SETA_DSP, MAP_SETA_RISC, MAP_LAST
+ };
+ enum { MAX_ROM_SIZE = 0x800000 };
+
+ uint8 *RAM;
+ uint8 *ROM;
+ uint8 *VRAM;
+ uint8 *SRAM;
+ uint8 *BWRAM;
+ uint8 *FillRAM;
+ uint8 *C4RAM;
+ bool8 HiROM;
+ bool8 LoROM;
+ uint32 SRAMMask;
+ uint8 SRAMSize;
+ uint8 *Map [MEMMAP_NUM_BLOCKS];
+ uint8 *WriteMap [MEMMAP_NUM_BLOCKS];
+ uint8 MemorySpeed [MEMMAP_NUM_BLOCKS];
+ uint8 BlockIsRAM [MEMMAP_NUM_BLOCKS];
+ uint8 BlockIsROM [MEMMAP_NUM_BLOCKS];
+ char ROMName [ROM_NAME_LEN];
+ char ROMId [5];
+ char CompanyId [3];
+ uint8 ROMSpeed;
+ uint8 ROMType;
+ uint8 ROMSize;
+ int32 ROMFramesPerSecond;
+ int32 HeaderCount;
+ uint32 CalculatedSize;
+ uint32 CalculatedChecksum;
+ uint32 ROMChecksum;
+ uint32 ROMComplementChecksum;
+ uint8 *SDD1Index;
+ uint8 *SDD1Data;
+ uint32 SDD1Entries;
+ uint32 SDD1LoggedDataCountPrev;
+ uint32 SDD1LoggedDataCount;
+ uint8 SDD1LoggedData [MEMMAP_MAX_SDD1_LOGGED_ENTRIES];
+ char ROMFilename [_MAX_PATH];
+ uint8 ROMRegion;
+ uint32 ROMCRC32;
+ uint8 ExtendedFormat;
+#if 0
+ bool8 SufamiTurbo;
+ char Slot1Filename [_MAX_PATH];
+ char Slot2Filename [_MAX_PATH];
+ uint8* ROMOffset1;
+ uint8* ROMOffset2;
+ uint8* SRAMOffset1;
+ uint8* SRAMOffset2;
+ uint32 Slot1Size;
+ uint32 Slot2Size;
+ uint32 Slot1SRAMSize;
+ uint32 Slot2SRAMSize;
+ uint8 SlotContents;
+#endif
+ uint8 *BSRAM;
+ void ResetSpeedMap();
+#if 0
+ bool8 LoadMulti (const char *,const char *,const char *);
+#endif
+};
+
+START_EXTERN_C
+extern CMemory Memory;
+extern uint8 *SRAM;
+extern uint8 *ROM;
+extern uint8 *RegRAM;
+void S9xDeinterleaveMode2 ();
+bool8 LoadZip(const char* zipname,
+ int32 *TotalFileSize,
+ int32 *headers,
+ uint8 *buffer);
+END_EXTERN_C
+
+extern "C" {
+void S9xAutoSaveSRAM ();
+}
+
+#ifdef NO_INLINE_SET_GET
+uint8 S9xGetByte (uint32 Address);
+uint16 S9xGetWord (uint32 Address);
+void S9xSetByte (uint8 Byte, uint32 Address);
+void S9xSetWord (uint16 Byte, uint32 Address);
+void S9xSetPCBase (uint32 Address);
+uint8 *S9xGetMemPointer (uint32 Address);
+uint8 *GetBasePointer (uint32 Address);
+
+extern "C"{
+extern uint8 OpenBus;
+}
+#else
+#define INLINE inline
+#include "getset.h"
+#endif // NO_INLINE_SET_GET
+
+#endif // _memmap_h_
+