#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"

//extern "C" void call_ctors(){}

START_EXTERN_C
char String[513];

struct Missing missing;

struct SICPU ICPU;

struct SCPUState CPU;

struct SRegisters Registers;

struct SAPU APU;

struct SIAPU IAPU;

struct SAPURegisters APURegisters;

struct SSettings Settings;

struct SDSP1 DSP1;

struct SSA1Registers SA1Registers;

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 A1 = 0, A2 = 0, A3 = 0, A4 = 0, W1 = 0, W2 = 0, W3 = 0, W4 = 0;
uint8 Ans8 = 0;
uint16 Ans16 = 0;
uint32 Ans32 = 0;
uint8 Work8 = 0;
uint16 Work16 = 0;
uint32 Work32 = 0;
signed char Int8 = 0;
short Int16 = 0;
long Int32 = 0;
unsigned char 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

uint8 GetBank = 0;
//struct SCheatData Cheat;

volatile SoundStatus so;

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
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, 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.
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, 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