Emulation/CATSFC
1
0
Fork 0
mirror of https://github.com/ShadauxCat/CATSFC.git synced 2024-06-11 08:57:01 -04:00
Code Issues Packages Projects Releases Wiki Activity
CATSFC/source/globals.cpp

396 lines
12 KiB
C++
Raw Permalink Blame History

/*******************************************************************************
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.
*******************************************************************************/
#include "snes9x.h"
#include "memmap.h"
#include "ppu.h"
#include "dsp1.h"
#include "missing.h"
#include "cpuexec.h"
#include "debug.h"
#include "apu.h"
#include "dma.h"
#include "fxemu.h"
#include "gfx.h"
#include "soundux.h"
#include "cheats.h"
#include "sa1.h"
#include "netplay.h"
#include "spc7110.h"
START_EXTERN_C
char String[513];
struct Missing missing;
struct SICPU ICPU;
struct SCPUState CPU;
struct SAPU APU;
struct SIAPU IAPU;
struct SSettings Settings;
struct SDSP1 DSP1;
struct SSA1 SA1;
SSoundData SoundData;
SnesModel M1SNES={1,3,2};
SnesModel M2SNES={2,4,3};
SnesModel* Model=&M1SNES;
uint8 *SRAM = NULL;
uint8 *ROM = NULL;
uint8 *RegRAM = NULL;
uint8 *C4RAM = NULL;
long OpAddress = 0;
CMemory Memory;
struct SSNESGameFixes SNESGameFixes;
uint8 OpenBus = 0;
END_EXTERN_C
#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];
uint8 Mode7Depths [2];
NormalTileRenderer DrawTilePtr = NULL;
ClippedTileRenderer DrawClippedTilePtr = NULL;
NormalTileRenderer DrawHiResTilePtr = NULL;
ClippedTileRenderer DrawHiResClippedTilePtr = NULL;
LargePixelRenderer DrawLargePixelPtr = NULL;
uint32 odd_high[4][16];
uint32 odd_low[4][16];
uint32 even_high[4][16];
uint32 even_low[4][16];
#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
struct SCheatData Cheat;
// Define NO_VOLATILE_SOUND if you're always reading or writing sound from one
// thread or one co-routine. If you're using interrupts or a thread, sound must
// be volatile.
#ifndef NO_VOLATILE_SOUND
volatile SoundStatus so;
#else
SoundStatus so;
#endif
int Echo [24000];
int DummyEchoBuffer [SOUND_BUFFER_SIZE];
int MixBuffer [SOUND_BUFFER_SIZE];
int EchoBuffer [SOUND_BUFFER_SIZE];
int FilterTaps [8];
unsigned long Z = 0;
int Loop [16];
uint16 SignExtend [2] = {
0x00, 0xff00
};
//modified per anomie Mode 5 findings
int HDMA_ModeByteCounts [8] = {
1, 2, 2, 4, 4, 4, 2, 4
};
uint8 BitShifts[8][4] =
{
{2, 2, 2, 2}, // 0
{4, 4, 2, 0}, // 1
{4, 4, 0, 0}, // 2
{8, 4, 0, 0}, // 3
{8, 2, 0, 0}, // 4
{4, 2, 0, 0}, // 5
{4, 0, 0, 0}, // 6
{8, 0, 0, 0} // 7
};
uint8 TileShifts[8][4] =
{
{4, 4, 4, 4}, // 0
{5, 5, 4, 0}, // 1
{5, 5, 0, 0}, // 2
{6, 5, 0, 0}, // 3
{6, 4, 0, 0}, // 4
{5, 4, 0, 0}, // 5
{5, 0, 0, 0}, // 6
{6, 0, 0, 0} // 7
};
uint8 PaletteShifts[8][4] =
{
{2, 2, 2, 2}, // 0
{4, 4, 2, 0}, // 1
{4, 4, 0, 0}, // 2
{0, 4, 0, 0}, // 3
{0, 2, 0, 0}, // 4
{4, 2, 0, 0}, // 5
{4, 0, 0, 0}, // 6
{0, 0, 0, 0} // 7
};
uint8 PaletteMasks[8][4] =
{
{7, 7, 7, 7}, // 0
{7, 7, 7, 0}, // 1
{7, 7, 0, 0}, // 2
{0, 7, 0, 0}, // 3
{0, 7, 0, 0}, // 4
{7, 7, 0, 0}, // 5
{7, 0, 0, 0}, // 6
{0, 0, 0, 0} // 7
};
uint8 Depths[8][4] =
{
{TILE_2BIT, TILE_2BIT, TILE_2BIT, TILE_2BIT}, // 0
{TILE_4BIT, TILE_4BIT, TILE_2BIT, 0}, // 1
{TILE_4BIT, TILE_4BIT, 0, 0}, // 2
{TILE_8BIT, TILE_4BIT, 0, 0}, // 3
{TILE_8BIT, TILE_2BIT, 0, 0}, // 4
{TILE_4BIT, TILE_2BIT, 0, 0}, // 5
{TILE_4BIT, 0, 0, 0}, // 6
{0, 0, 0, 0} // 7
};
uint8 BGSizes [2] = {
8, 16
};
uint16 DirectColourMaps [8][256];
long FilterValues[4][2] =
{
{0, 0},
{240, 0},
{488, -240},
{460, -208}
};
int NoiseFreq [32] = {
0, 16, 21, 25, 31, 42, 50, 63, 84, 100, 125, 167, 200, 250, 333,
400, 500, 667, 800, 1000, 1300, 1600, 2000, 2700, 3200, 4000,
5300, 6400, 8000, 10700, 16000, 32000
};
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
uint16 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, 4, 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.
uint16 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, 4, 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
Reference in a new issue View git blame Copy permalink