/***********************************************************************************
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 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2011 BearOso,
OV2
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 used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
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 emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
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)
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2011 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2011 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 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.
***********************************************************************************/
#ifndef _PPU_H_
#define _PPU_H_
#define FIRST_VISIBLE_LINE 1
#define TILE_2BIT 0
#define TILE_4BIT 1
#define TILE_8BIT 2
#define TILE_2BIT_EVEN 3
#define TILE_2BIT_ODD 4
#define TILE_4BIT_EVEN 5
#define TILE_4BIT_ODD 6
#define MAX_2BIT_TILES 4096
#define MAX_4BIT_TILES 2048
#define MAX_8BIT_TILES 1024
#define CLIP_OR 0
#define CLIP_AND 1
#define CLIP_XOR 2
#define CLIP_XNOR 3
struct ClipData
{
uint8_t Count;
uint8_t DrawMode[6];
uint16_t Left[6];
uint16_t Right[6];
};
struct InternalPPU
{
struct ClipData Clip[2][6];
bool ColorsChanged;
bool OBJChanged;
bool DirectColourMapsNeedRebuild;
uint8_t *TileCache[7];
uint8_t *TileCached[7];
uint16_t VRAMReadBuffer;
bool Interlace;
bool InterlaceOBJ;
bool PseudoHires;
bool DoubleWidthPixels;
bool DoubleHeightPixels;
int CurrentLine;
int PreviousLine;
uint8_t *XB;
uint32_t Red[256];
uint32_t Green[256];
uint32_t Blue[256];
uint16_t ScreenColors[256];
uint8_t MaxBrightness;
bool RenderThisFrame;
int RenderedScreenWidth;
int RenderedScreenHeight;
uint32_t FrameCount;
uint32_t RenderedFramesCount;
uint32_t DisplayedRenderedFrameCount;
uint32_t TotalEmulatedFrames;
uint32_t SkippedFrames;
uint32_t FrameSkip;
};
struct SOBJ
{
int16_t HPos;
uint16_t VPos;
uint8_t HFlip;
uint8_t VFlip;
uint16_t Name;
uint8_t Priority;
uint8_t Palette;
uint8_t Size;
};
struct SPPU
{
struct
{
bool High;
uint8_t Increment;
uint16_t Address;
uint16_t Mask1;
uint16_t FullGraphicCount;
uint16_t Shift;
} VMA;
uint32_t WRAM;
struct
{
uint16_t SCBase;
uint16_t HOffset;
uint16_t VOffset;
uint8_t BGSize;
uint16_t NameBase;
uint16_t SCSize;
} BG[4];
uint8_t BGMode;
uint8_t BG3Priority;
bool CGFLIP;
uint8_t CGFLIPRead;
uint8_t CGADD;
uint16_t CGDATA[256];
struct SOBJ OBJ[128];
bool OBJThroughMain;
bool OBJThroughSub;
bool OBJAddition;
uint16_t OBJNameBase;
uint16_t OBJNameSelect;
uint8_t OBJSizeSelect;
uint16_t OAMAddr;
uint16_t SavedOAMAddr;
uint8_t OAMPriorityRotation;
uint8_t OAMFlip;
uint8_t OAMReadFlip;
uint16_t OAMTileAddress;
uint16_t OAMWriteRegister;
uint8_t OAMData[512 + 32];
uint8_t FirstSprite;
uint8_t LastSprite;
uint8_t RangeTimeOver;
bool HTimerEnabled;
bool VTimerEnabled;
short HTimerPosition;
short VTimerPosition;
uint16_t IRQHBeamPos;
uint16_t IRQVBeamPos;
uint8_t HBeamFlip;
uint8_t VBeamFlip;
uint16_t HBeamPosLatched;
uint16_t VBeamPosLatched;
uint16_t GunHLatch;
uint16_t GunVLatch;
uint8_t HVBeamCounterLatched;
bool Mode7HFlip;
bool Mode7VFlip;
uint8_t Mode7Repeat;
short MatrixA;
short MatrixB;
short MatrixC;
short MatrixD;
short CentreX;
short CentreY;
short M7HOFS;
short M7VOFS;
uint8_t Mosaic;
uint8_t MosaicStart;
bool BGMosaic[4];
uint8_t Window1Left;
uint8_t Window1Right;
uint8_t Window2Left;
uint8_t Window2Right;
bool RecomputeClipWindows;
uint8_t ClipCounts[6];
uint8_t ClipWindowOverlapLogic[6];
uint8_t ClipWindow1Enable[6];
uint8_t ClipWindow2Enable[6];
bool ClipWindow1Inside[6];
bool ClipWindow2Inside[6];
bool ForcedBlanking;
uint8_t FixedColourRed;
uint8_t FixedColourGreen;
uint8_t FixedColourBlue;
uint8_t Brightness;
uint16_t ScreenHeight;
bool Need16x8Mulitply;
uint8_t BGnxOFSbyte;
uint8_t M7byte;
uint8_t HDMA;
uint8_t HDMAEnded;
uint8_t OpenBus1;
uint8_t OpenBus2;
};
extern uint16_t SignExtend[2];
extern struct SPPU PPU;
extern struct InternalPPU IPPU;
void S9xResetPPU();
void S9xSoftResetPPU();
void S9xSetPPU (uint8_t, uint16_t);
uint8_t S9xGetPPU (uint16_t);
void S9xSetCPU (uint8_t, uint16_t);
uint8_t S9xGetCPU (uint16_t);
void S9xUpdateHVTimerPosition();
//void S9xFixColourBrightness();
//void S9xDoAutoJoypad();
//#include "gfx.h"
#include "memmap.h"
typedef struct
{
uint8_t _5C77;
uint8_t _5C78;
uint8_t _5A22;
} SnesModel;
extern SnesModel *Model;
extern SnesModel M1SNES;
//extern SnesModel M2SNES;
#define MAX_5C77_VERSION 0x01
#define MAX_5C78_VERSION 0x03
#define MAX_5A22_VERSION 0x02
/*static inline void FLUSH_REDRAW()
{
if (IPPU.PreviousLine != IPPU.CurrentLine)
S9xUpdateScreen();
}*/
static inline void REGISTER_2104 (uint8_t Byte)
{
if (PPU.OAMAddr & 0x100)
{
int addr = ((PPU.OAMAddr & 0x10f) << 1) + (PPU.OAMFlip & 1);
if (Byte != PPU.OAMData[addr])
{
//FLUSH_REDRAW();
PPU.OAMData[addr] = Byte;
IPPU.OBJChanged = true;
// X position high bit, and sprite size (x4)
struct SOBJ *pObj = &PPU.OBJ[(addr & 0x1f) * 4];
pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(Byte >> 0) & 1];
pObj++->Size = Byte & 2;
pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(Byte >> 2) & 1];
pObj++->Size = Byte & 8;
pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(Byte >> 4) & 1];
pObj++->Size = Byte & 32;
pObj->HPos = (pObj->HPos & 0xFF) | SignExtend[(Byte >> 6) & 1];
pObj->Size = Byte & 128;
}
PPU.OAMFlip ^= 1;
if (!(PPU.OAMFlip & 1))
{
++PPU.OAMAddr;
PPU.OAMAddr &= 0x1ff;
if (PPU.OAMPriorityRotation && PPU.FirstSprite != (PPU.OAMAddr >> 1))
{
PPU.FirstSprite = (PPU.OAMAddr & 0xfe) >> 1;
IPPU.OBJChanged = true;
}
}
else
{
if (PPU.OAMPriorityRotation && (PPU.OAMAddr & 1))
IPPU.OBJChanged = true;
}
}
else
if (!(PPU.OAMFlip & 1))
{
PPU.OAMWriteRegister &= 0xff00;
PPU.OAMWriteRegister |= Byte;
PPU.OAMFlip |= 1;
if (PPU.OAMPriorityRotation && (PPU.OAMAddr & 1))
IPPU.OBJChanged = true;
}
else
{
PPU.OAMWriteRegister &= 0x00ff;
uint8_t lowbyte = (uint8_t) (PPU.OAMWriteRegister);
uint8_t highbyte = Byte;
PPU.OAMWriteRegister |= Byte << 8;
int addr = (PPU.OAMAddr << 1);
if (lowbyte != PPU.OAMData[addr] || highbyte != PPU.OAMData[addr + 1])
{
//FLUSH_REDRAW();
PPU.OAMData[addr] = lowbyte;
PPU.OAMData[addr + 1] = highbyte;
IPPU.OBJChanged = true;
if (addr & 2)
{
// Tile
PPU.OBJ[addr = PPU.OAMAddr >> 1].Name = PPU.OAMWriteRegister & 0x1ff;
// priority, h and v flip.
PPU.OBJ[addr].Palette = (highbyte >> 1) & 7;
PPU.OBJ[addr].Priority = (highbyte >> 4) & 3;
PPU.OBJ[addr].HFlip = (highbyte >> 6) & 1;
PPU.OBJ[addr].VFlip = (highbyte >> 7) & 1;
}
else
{
// X position (low)
PPU.OBJ[addr = PPU.OAMAddr >> 1].HPos &= 0xff00;
PPU.OBJ[addr].HPos |= lowbyte;
// Sprite Y position
PPU.OBJ[addr].VPos = highbyte;
}
}
PPU.OAMFlip &= ~1;
++PPU.OAMAddr;
if (PPU.OAMPriorityRotation && PPU.FirstSprite != (PPU.OAMAddr >> 1))
{
PPU.FirstSprite = (PPU.OAMAddr & 0xfe) >> 1;
IPPU.OBJChanged = true;
}
}
}
// This code is correct, however due to Snes9x's inaccurate timings, some games might be broken by this chage. :(
#ifdef DEBUGGER
#define CHECK_INBLANK() \
if (!PPU.ForcedBlanking && CPU.V_Counter < PPU.ScreenHeight + FIRST_VISIBLE_LINE) \
{ \
printf("Invalid VRAM acess at (%04d, %04d) blank:%d\n", CPU.Cycles, CPU.V_Counter, PPU.ForcedBlanking); \
if (Settings.BlockInvalidVRAMAccess) \
return; \
}
#else
#define CHECK_INBLANK() \
if (Settings.BlockInvalidVRAMAccess && !PPU.ForcedBlanking && CPU.V_Counter < PPU.ScreenHeight + FIRST_VISIBLE_LINE) \
return;
#endif
static inline void REGISTER_2118 (uint8_t Byte)
{
CHECK_INBLANK();
uint32_t address;
if (PPU.VMA.FullGraphicCount)
{
uint32_t rem = PPU.VMA.Address & PPU.VMA.Mask1;
address = (((PPU.VMA.Address & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) & 0xffff;
Memory.VRAM[address] = Byte;
}
else
Memory.VRAM[address = (PPU.VMA.Address << 1) & 0xffff] = Byte;
IPPU.TileCached[TILE_2BIT][address >> 4] = false;
IPPU.TileCached[TILE_4BIT][address >> 5] = false;
IPPU.TileCached[TILE_8BIT][address >> 6] = false;
IPPU.TileCached[TILE_2BIT_EVEN][address >> 4] = false;
IPPU.TileCached[TILE_2BIT_EVEN][((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_2BIT_ODD] [address >> 4] = false;
IPPU.TileCached[TILE_2BIT_ODD] [((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_EVEN][address >> 5] = false;
IPPU.TileCached[TILE_4BIT_EVEN][((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_ODD] [address >> 5] = false;
IPPU.TileCached[TILE_4BIT_ODD] [((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
if (!PPU.VMA.High)
{
#ifdef DEBUGGER
if (Settings.TraceVRAM && !CPU.InDMAorHDMA)
printf("VRAM write byte: $%04X (%d, %d)\n", PPU.VMA.Address, Memory.FillRAM[0x2115] & 3, (Memory.FillRAM[0x2115] & 0x0c) >> 2);
#endif
PPU.VMA.Address += PPU.VMA.Increment;
}
}
static inline void REGISTER_2119 (uint8_t Byte)
{
CHECK_INBLANK();
uint32_t address;
if (PPU.VMA.FullGraphicCount)
{
uint32_t rem = PPU.VMA.Address & PPU.VMA.Mask1;
address = ((((PPU.VMA.Address & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) + 1) & 0xffff;
Memory.VRAM[address] = Byte;
}
else
Memory.VRAM[address = ((PPU.VMA.Address << 1) + 1) & 0xffff] = Byte;
IPPU.TileCached[TILE_2BIT][address >> 4] = false;
IPPU.TileCached[TILE_4BIT][address >> 5] = false;
IPPU.TileCached[TILE_8BIT][address >> 6] = false;
IPPU.TileCached[TILE_2BIT_EVEN][address >> 4] = false;
IPPU.TileCached[TILE_2BIT_EVEN][((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_2BIT_ODD] [address >> 4] = false;
IPPU.TileCached[TILE_2BIT_ODD] [((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_EVEN][address >> 5] = false;
IPPU.TileCached[TILE_4BIT_EVEN][((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_ODD] [address >> 5] = false;
IPPU.TileCached[TILE_4BIT_ODD] [((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
if (PPU.VMA.High)
{
#ifdef DEBUGGER
if (Settings.TraceVRAM && !CPU.InDMAorHDMA)
printf("VRAM write word: $%04X (%d, %d)\n", PPU.VMA.Address, Memory.FillRAM[0x2115] & 3, (Memory.FillRAM[0x2115] & 0x0c) >> 2);
#endif
PPU.VMA.Address += PPU.VMA.Increment;
}
}
static inline void REGISTER_2118_tile (uint8_t Byte)
{
CHECK_INBLANK();
uint32_t rem = PPU.VMA.Address & PPU.VMA.Mask1;
uint32_t address = (((PPU.VMA.Address & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) & 0xffff;
Memory.VRAM[address] = Byte;
IPPU.TileCached[TILE_2BIT][address >> 4] = false;
IPPU.TileCached[TILE_4BIT][address >> 5] = false;
IPPU.TileCached[TILE_8BIT][address >> 6] = false;
IPPU.TileCached[TILE_2BIT_EVEN][address >> 4] = false;
IPPU.TileCached[TILE_2BIT_EVEN][((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_2BIT_ODD] [address >> 4] = false;
IPPU.TileCached[TILE_2BIT_ODD] [((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_EVEN][address >> 5] = false;
IPPU.TileCached[TILE_4BIT_EVEN][((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_ODD] [address >> 5] = false;
IPPU.TileCached[TILE_4BIT_ODD] [((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
if (!PPU.VMA.High)
PPU.VMA.Address += PPU.VMA.Increment;
}
static inline void REGISTER_2119_tile (uint8_t Byte)
{
CHECK_INBLANK();
uint32_t rem = PPU.VMA.Address & PPU.VMA.Mask1;
uint32_t address = ((((PPU.VMA.Address & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3)) << 1) + 1) & 0xffff;
Memory.VRAM[address] = Byte;
IPPU.TileCached[TILE_2BIT][address >> 4] = false;
IPPU.TileCached[TILE_4BIT][address >> 5] = false;
IPPU.TileCached[TILE_8BIT][address >> 6] = false;
IPPU.TileCached[TILE_2BIT_EVEN][address >> 4] = false;
IPPU.TileCached[TILE_2BIT_EVEN][((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_2BIT_ODD] [address >> 4] = false;
IPPU.TileCached[TILE_2BIT_ODD] [((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_EVEN][address >> 5] = false;
IPPU.TileCached[TILE_4BIT_EVEN][((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_ODD] [address >> 5] = false;
IPPU.TileCached[TILE_4BIT_ODD] [((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
if (PPU.VMA.High)
PPU.VMA.Address += PPU.VMA.Increment;
}
static inline void REGISTER_2118_linear (uint8_t Byte)
{
CHECK_INBLANK();
uint32_t address;
Memory.VRAM[address = (PPU.VMA.Address << 1) & 0xffff] = Byte;
IPPU.TileCached[TILE_2BIT][address >> 4] = false;
IPPU.TileCached[TILE_4BIT][address >> 5] = false;
IPPU.TileCached[TILE_8BIT][address >> 6] = false;
IPPU.TileCached[TILE_2BIT_EVEN][address >> 4] = false;
IPPU.TileCached[TILE_2BIT_EVEN][((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_2BIT_ODD] [address >> 4] = false;
IPPU.TileCached[TILE_2BIT_ODD] [((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_EVEN][address >> 5] = false;
IPPU.TileCached[TILE_4BIT_EVEN][((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_ODD] [address >> 5] = false;
IPPU.TileCached[TILE_4BIT_ODD] [((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
if (!PPU.VMA.High)
PPU.VMA.Address += PPU.VMA.Increment;
}
static inline void REGISTER_2119_linear (uint8_t Byte)
{
CHECK_INBLANK();
uint32_t address;
Memory.VRAM[address = ((PPU.VMA.Address << 1) + 1) & 0xffff] = Byte;
IPPU.TileCached[TILE_2BIT][address >> 4] = false;
IPPU.TileCached[TILE_4BIT][address >> 5] = false;
IPPU.TileCached[TILE_8BIT][address >> 6] = false;
IPPU.TileCached[TILE_2BIT_EVEN][address >> 4] = false;
IPPU.TileCached[TILE_2BIT_EVEN][((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_2BIT_ODD] [address >> 4] = false;
IPPU.TileCached[TILE_2BIT_ODD] [((address >> 4) - 1) & (MAX_2BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_EVEN][address >> 5] = false;
IPPU.TileCached[TILE_4BIT_EVEN][((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
IPPU.TileCached[TILE_4BIT_ODD] [address >> 5] = false;
IPPU.TileCached[TILE_4BIT_ODD] [((address >> 5) - 1) & (MAX_4BIT_TILES - 1)] = false;
if (PPU.VMA.High)
PPU.VMA.Address += PPU.VMA.Increment;
}
/*static inline void REGISTER_2122 (uint8_t Byte)
{
if (PPU.CGFLIP)
{
if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8))
{
FLUSH_REDRAW();
PPU.CGDATA[PPU.CGADD] &= 0x00ff;
PPU.CGDATA[PPU.CGADD] |= (Byte & 0x7f) << 8;
IPPU.ColorsChanged = true;
IPPU.Blue[PPU.CGADD] = IPPU.XB[(Byte >> 2) & 0x1f];
IPPU.Green[PPU.CGADD] = IPPU.XB[(PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f];
IPPU.ScreenColors[PPU.CGADD] = (uint16_t) BUILD_PIXEL(IPPU.Red[PPU.CGADD], IPPU.Green[PPU.CGADD], IPPU.Blue[PPU.CGADD]);
}
PPU.CGADD++;
}
else
{
if (Byte != (uint8_t) (PPU.CGDATA[PPU.CGADD] & 0xff))
{
FLUSH_REDRAW();
PPU.CGDATA[PPU.CGADD] &= 0x7f00;
PPU.CGDATA[PPU.CGADD] |= Byte;
IPPU.ColorsChanged = true;
IPPU.Red[PPU.CGADD] = IPPU.XB[Byte & 0x1f];
IPPU.Green[PPU.CGADD] = IPPU.XB[(PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f];
IPPU.ScreenColors[PPU.CGADD] = (uint16_t) BUILD_PIXEL(IPPU.Red[PPU.CGADD], IPPU.Green[PPU.CGADD], IPPU.Blue[PPU.CGADD]);
}
}
PPU.CGFLIP ^= 1;
}*/
static inline void REGISTER_2180 (uint8_t Byte)
{
Memory.RAM[PPU.WRAM++] = Byte;
PPU.WRAM &= 0x1ffff;
}
static inline uint8_t REGISTER_4212()
{
uint8_t byte = 0;
if ((CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE) && (CPU.V_Counter < PPU.ScreenHeight + FIRST_VISIBLE_LINE + 3))
byte = 1;
if ((CPU.Cycles < Timings.HBlankEnd) || (CPU.Cycles >= Timings.HBlankStart))
byte |= 0x40;
if (CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE)
byte |= 0x80;
return byte;
}
#endif