From d40ae99422e118188a7f48055dc340c6aca022aa Mon Sep 17 00:00:00 2001 From: Kitty Draper Date: Sat, 5 Mar 2011 21:39:25 -0500 Subject: first commit --- source/memmap.h | 300 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 300 insertions(+) create mode 100644 source/memmap.h (limited to 'source/memmap.h') diff --git a/source/memmap.h b/source/memmap.h new file mode 100644 index 0000000..58f0c9f --- /dev/null +++ b/source/memmap.h @@ -0,0 +1,300 @@ +/******************************************************************************* + 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_ + -- cgit v1.2.3