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snes9xgx/source/snes9x/globals.cpp
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/**********************************************************************************
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 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
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
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
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 DSP emulator code is derived from SNEeSe and OpenSPC:
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
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)
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2007 zones
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
**********************************************************************************/
#include "snes9x.h"
#include "memmap.h"
#include "ppu.h"
#include "dsp1.h"
#include "missing.h"
#include "cpuexec.h"
#include "s9xdebug.h"
#include "apu.h"
#include "dma.h"
#include "fxemu.h"
#include "gfx.h"
#include "soundux.h"
#include "cheats.h"
#include "sa1.h"
#include "bsx.h"
#include "spc7110.h"
#ifdef NETPLAY_SUPPORT
#include "netplay.h"
#endif
START_EXTERN_C
char String[513];
struct Missing missing;
struct SICPU ICPU;
struct SCPUState CPU;
struct STimings Timings;
struct SRegisters Registers;
struct SAPU APU;
struct SIAPU IAPU;
struct SAPURegisters APURegisters;
struct SSettings Settings;
struct SSA1Registers SA1Registers;
struct SSA1 SA1;
struct SBSX BSX;
struct SMulti Multi;
SSoundData SoundData;
#if defined(ZSNES_FX) || defined(ZSNES_C4)
uint8 *ROM = NULL;
uint8 *SRAM = NULL;
uint8 *RegRAM = NULL;
#endif
CMemory Memory;
struct SSNESGameFixes SNESGameFixes;
unsigned char OpenBus = 0;
END_EXTERN_C
struct SDSP1 DSP1;
SnesModel M1SNES={1,3,2};
SnesModel M2SNES={2,4,3};
SnesModel* Model=&M1SNES;
#ifndef ZSNES_FX
struct FxInit_s SuperFX;
#else
START_EXTERN_C
uint8 *SFXPlotTable = NULL;
END_EXTERN_C
#endif
struct SPPU PPU;
struct InternalPPU IPPU;
struct SDMA DMA[8];
uint8 *HDMAMemPointers [8];
uint8 *HDMABasePointers [8];
struct SBG BG;
struct SGFX GFX;
struct SLineData LineData[240];
struct SLineMatrixData LineMatrixData [240];
#ifdef GFX_MULTI_FORMAT
uint32 RED_LOW_BIT_MASK = RED_LOW_BIT_MASK_RGB565;
uint32 GREEN_LOW_BIT_MASK = GREEN_LOW_BIT_MASK_RGB565;
uint32 BLUE_LOW_BIT_MASK = BLUE_LOW_BIT_MASK_RGB565;
uint32 RED_HI_BIT_MASK = RED_HI_BIT_MASK_RGB565;
uint32 GREEN_HI_BIT_MASK = GREEN_HI_BIT_MASK_RGB565;
uint32 BLUE_HI_BIT_MASK = BLUE_HI_BIT_MASK_RGB565;
uint32 MAX_RED = MAX_RED_RGB565;
uint32 MAX_GREEN = MAX_GREEN_RGB565;
uint32 MAX_BLUE = MAX_BLUE_RGB565;
uint32 SPARE_RGB_BIT_MASK = SPARE_RGB_BIT_MASK_RGB565;
uint32 GREEN_HI_BIT = (MAX_GREEN_RGB565 + 1) >> 1;
uint32 RGB_LOW_BITS_MASK = (RED_LOW_BIT_MASK_RGB565 |
GREEN_LOW_BIT_MASK_RGB565 |
BLUE_LOW_BIT_MASK_RGB565);
uint32 RGB_HI_BITS_MASK = (RED_HI_BIT_MASK_RGB565 |
GREEN_HI_BIT_MASK_RGB565 |
BLUE_HI_BIT_MASK_RGB565);
uint32 RGB_HI_BITS_MASKx2 = (RED_HI_BIT_MASK_RGB565 |
GREEN_HI_BIT_MASK_RGB565 |
BLUE_HI_BIT_MASK_RGB565) << 1;
uint32 RGB_REMOVE_LOW_BITS_MASK = ~RGB_LOW_BITS_MASK;
uint32 FIRST_COLOR_MASK = FIRST_COLOR_MASK_RGB565;
uint32 SECOND_COLOR_MASK = SECOND_COLOR_MASK_RGB565;
uint32 THIRD_COLOR_MASK = THIRD_COLOR_MASK_RGB565;
uint32 ALPHA_BITS_MASK = ALPHA_BITS_MASK_RGB565;
uint32 FIRST_THIRD_COLOR_MASK = 0;
uint32 TWO_LOW_BITS_MASK = 0;
uint32 HIGH_BITS_SHIFTED_TWO_MASK = 0;
uint32 current_graphic_format = RGB565;
#endif
uint8 GetBank = 0;
struct SCheatData Cheat;
volatile SoundStatus so;
int32 Loop[16];
int32 Echo[24000];
int32 FilterTaps[8];
int32 MixBuffer[SOUND_BUFFER_SIZE];
int32 EchoBuffer[SOUND_BUFFER_SIZE];
int32 DummyEchoBuffer[SOUND_BUFFER_SIZE];
uint32 FIRIndex = 0;
uint16 SignExtend [2] = {
0x00, 0xff00
};
//modified per anomie Mode 5 findings
int HDMA_ModeByteCounts [8] = {
1, 2, 2, 4, 4, 4, 2, 4
};
uint16 BlackColourMap [256];
uint16 DirectColourMaps [8][256];
uint32 HeadMask [4] = {
#ifdef LSB_FIRST
0xffffffff, 0xffffff00, 0xffff0000, 0xff000000
#else
0xffffffff, 0x00ffffff, 0x0000ffff, 0x000000ff
#endif
};
uint32 TailMask [5] = {
#ifdef LSB_FIRST
0x00000000, 0x000000ff, 0x0000ffff, 0x00ffffff, 0xffffffff
#else
0x00000000, 0xff000000, 0xffff0000, 0xffffff00, 0xffffffff
#endif
};
START_EXTERN_C
uint8 APUROM [64] =
{
0xCD,0xEF,0xBD,0xE8,0x00,0xC6,0x1D,0xD0,0xFC,0x8F,0xAA,0xF4,0x8F,
0xBB,0xF5,0x78,0xCC,0xF4,0xD0,0xFB,0x2F,0x19,0xEB,0xF4,0xD0,0xFC,
0x7E,0xF4,0xD0,0x0B,0xE4,0xF5,0xCB,0xF4,0xD7,0x00,0xFC,0xD0,0xF3,
0xAB,0x01,0x10,0xEF,0x7E,0xF4,0x10,0xEB,0xBA,0xF6,0xDA,0x00,0xBA,
0xF4,0xC4,0xF4,0xDD,0x5D,0xD0,0xDB,0x1F,0x00,0x00,0xC0,0xFF
};
#ifdef NETPLAY_SUPPORT
struct SNetPlay NetPlay;
#endif
// Raw SPC700 instruction cycle lengths
int32 S9xAPUCycleLengths [256] =
{
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
/* 00 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 5, 4, 5, 4, 6, 8,
/* 10 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 6, 5, 2, 2, 4, 6,
/* 20 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 5, 4, 5, 4, 5, 4,
/* 30 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 6, 5, 2, 2, 3, 8,
/* 40 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 4, 4, 5, 4, 6, 6,
/* 50 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 4, 5, 2, 2, 4, 3,
/* 60 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 4, 4, 5, 4, 5, 5,
/* 70 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 5, 5, 2, 2, 3, 6,
/* 80 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 5, 4, 5, 2, 4, 5,
/* 90 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 5, 5, 2, 2,12, 5,
/* A0 */ 3, 8, 4, 5, 3, 4, 3, 6, 2, 6, 4, 4, 5, 2, 4, 4,
/* B0 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 5, 5, 2, 2, 3, 4,
/* C0 */ 3, 8, 4, 5, 4, 5, 4, 7, 2, 5, 6, 4, 5, 2, 4, 9,
/* D0 */ 2, 8, 4, 5, 5, 6, 6, 7, 4, 5, 5, 5, 2, 2, 6, 3,
/* E0 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 4, 5, 3, 4, 3, 4, 3,
/* F0 */ 2, 8, 4, 5, 4, 5, 5, 6, 3, 4, 5, 4, 2, 2, 4, 3
};
// Actual data used by CPU emulation, will be scaled by APUReset routine
// to be relative to the 65c816 instruction lengths.
int32 S9xAPUCycles [256] =
{
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
/* 00 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 5, 4, 5, 4, 6, 8,
/* 10 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 6, 5, 2, 2, 4, 6,
/* 20 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 5, 4, 5, 4, 5, 4,
/* 30 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 6, 5, 2, 2, 3, 8,
/* 40 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 4, 4, 5, 4, 6, 6,
/* 50 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 4, 5, 2, 2, 4, 3,
/* 60 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 4, 4, 5, 4, 5, 5,
/* 70 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 5, 5, 2, 2, 3, 6,
/* 80 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 6, 5, 4, 5, 2, 4, 5,
/* 90 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 5, 5, 2, 2,12, 5,
/* A0 */ 3, 8, 4, 5, 3, 4, 3, 6, 2, 6, 4, 4, 5, 2, 4, 4,
/* B0 */ 2, 8, 4, 5, 4, 5, 5, 6, 5, 5, 5, 5, 2, 2, 3, 4,
/* C0 */ 3, 8, 4, 5, 4, 5, 4, 7, 2, 5, 6, 4, 5, 2, 4, 9,
/* D0 */ 2, 8, 4, 5, 5, 6, 6, 7, 4, 5, 5, 5, 2, 2, 6, 3,
/* E0 */ 2, 8, 4, 5, 3, 4, 3, 6, 2, 4, 5, 3, 4, 3, 4, 3,
/* F0 */ 2, 8, 4, 5, 4, 5, 5, 6, 3, 4, 5, 4, 2, 2, 4, 3
};
END_EXTERN_C
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