summaryrefslogtreecommitdiff
path: root/src/ppu.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/ppu.h')
-rw-r--r--src/ppu.h916
1 files changed, 464 insertions, 452 deletions
diff --git a/src/ppu.h b/src/ppu.h
index 255e690..c4391dc 100644
--- a/src/ppu.h
+++ b/src/ppu.h
@@ -4,7 +4,7 @@
* (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
* Jerremy Koot (jkoot@snes9x.com)
*
- * Super FX C emulator code
+ * Super FX C emulator code
* (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
* Gary Henderson.
* Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
@@ -56,211 +56,216 @@ extern uint16 SignExtend [2];
#define MAX_4BIT_TILES 2048
#define MAX_8BIT_TILES 1024
-#define PPU_H_BEAM_IRQ_SOURCE (1 << 0)
-#define PPU_V_BEAM_IRQ_SOURCE (1 << 1)
-#define GSU_IRQ_SOURCE (1 << 2)
-#define SA1_IRQ_SOURCE (1 << 7)
-#define SA1_DMA_IRQ_SOURCE (1 << 5)
-
-typedef struct {
- uint32 Count [6];
- uint32 Left [6][6];
- uint32 Right [6][6];
-}ClipData;
-
-typedef struct{
- bool8 ColorsChanged;
- uint8 HDMA;
- bool8 HDMAStarted;
- uint8 MaxBrightness;
- bool8 LatchedBlanking;
- bool8 OBJChanged;
- bool8 RenderThisFrame;
- bool8 DirectColourMapsNeedRebuild;
- uint32 FrameCount;
- uint32 RenderedFramesCount;
- uint32 DisplayedRenderedFrameCount;
- uint32 SkippedFrames;
- uint32 FrameSkip;
- uint8 *TileCache [3];
- uint8 *TileCached [3];
- bool8 FirstVRAMRead;
- bool8 LatchedInterlace;
- bool8 DoubleWidthPixels;
- int RenderedScreenHeight;
- int RenderedScreenWidth;
- uint32 Red [256];
- uint32 Green [256];
- uint32 Blue [256];
- uint8 *XB;
- uint32 ScreenColors [256];
- int PreviousLine;
- int CurrentLine;
- int Controller;
- uint32 Joypads[5];
- uint32 SuperScope;
- uint32 Mouse[2];
- int PrevMouseX[2];
- int PrevMouseY[2];
- ClipData Clip [2];
-}InternalPPU;
+#define PPU_H_BEAM_IRQ_SOURCE (1 << 0)
+#define PPU_V_BEAM_IRQ_SOURCE (1 << 1)
+#define GSU_IRQ_SOURCE (1 << 2)
+#define SA1_IRQ_SOURCE (1 << 7)
+#define SA1_DMA_IRQ_SOURCE (1 << 5)
typedef struct
{
- short HPos;
- uint16 VPos;
- uint16 Name;
- uint8 VFlip;
- uint8 HFlip;
- uint8 Priority;
- uint8 Palette;
- uint8 Size;
-}SOBJ;
+ uint32 Count [6];
+ uint32 Left [6][6];
+ uint32 Right [6][6];
+} ClipData;
typedef struct
{
- uint8 BGMode;
- uint8 BG3Priority;
- uint8 Brightness;
-
- struct {
- bool8 High;
- uint8 Increment;
- uint16 Address;
- uint16 Mask1;
- uint16 FullGraphicCount;
- uint16 Shift;
- } VMA;
-
- struct {
- uint16 SCBase;
- uint16 VOffset;
- uint16 HOffset;
- uint8 BGSize;
- uint16 NameBase;
- uint16 SCSize;
- bool8 OffsetsChanged; //-chg
- } BG [4];
-
- bool8 CGFLIP;
- uint16 CGDATA [256];
- uint8 FirstSprite;
- uint8 LastSprite;
- SOBJ OBJ [128];
- uint8 OAMPriorityRotation;
- uint16 OAMAddr;
-
- uint8 OAMFlip;
- uint16 OAMTileAddress;
- uint16 IRQVBeamPos;
- uint16 IRQHBeamPos;
- uint16 VBeamPosLatched;
- uint16 HBeamPosLatched;
-
- uint8 HBeamFlip;
- uint8 VBeamFlip;
- uint8 HVBeamCounterLatched;
-
- short MatrixA;
- short MatrixB;
- short MatrixC;
- short MatrixD;
- short CentreX;
- short CentreY;
- uint8 Joypad1ButtonReadPos;
- uint8 Joypad2ButtonReadPos;
-
- uint8 CGADD;
- uint8 FixedColourRed;
- uint8 FixedColourGreen;
- uint8 FixedColourBlue;
- uint16 SavedOAMAddr;
- uint16 ScreenHeight;
- uint32 WRAM;
- uint8 BG_Forced;
- bool8 ForcedBlanking;
- bool8 OBJThroughMain;
- bool8 OBJThroughSub;
- uint8 OBJSizeSelect;
- uint16 OBJNameBase;
- bool8 OBJAddition;
- uint8 OAMReadFlip;
- uint8 OAMData [512 + 32];
- bool8 VTimerEnabled;
- bool8 HTimerEnabled;
- short HTimerPosition;
- uint8 Mosaic;
- bool8 BGMosaic [4];
- bool8 Mode7HFlip;
- bool8 Mode7VFlip;
- uint8 Mode7Repeat;
- uint8 Window1Left;
- uint8 Window1Right;
- uint8 Window2Left;
- uint8 Window2Right;
- uint8 ClipCounts [6];
- uint8 ClipWindowOverlapLogic [6];
- uint8 ClipWindow1Enable [6];
- uint8 ClipWindow2Enable [6];
- bool8 ClipWindow1Inside [6];
- bool8 ClipWindow2Inside [6];
- bool8 RecomputeClipWindows;
- uint8 CGFLIPRead;
- uint16 OBJNameSelect;
- bool8 Need16x8Mulitply;
- uint8 Joypad3ButtonReadPos;
- uint8 MouseSpeed[2];
- uint16 SavedOAMAddr2;
- uint16 OAMWriteRegister;
- uint8 BGnxOFSbyte;
-}SPPU;
+ bool8 ColorsChanged;
+ uint8 HDMA;
+ bool8 HDMAStarted;
+ uint8 MaxBrightness;
+ bool8 LatchedBlanking;
+ bool8 OBJChanged;
+ bool8 RenderThisFrame;
+ bool8 DirectColourMapsNeedRebuild;
+ uint32 FrameCount;
+ uint32 RenderedFramesCount;
+ uint32 DisplayedRenderedFrameCount;
+ uint32 SkippedFrames;
+ uint32 FrameSkip;
+ uint8* TileCache [3];
+ uint8* TileCached [3];
+ bool8 FirstVRAMRead;
+ bool8 LatchedInterlace;
+ bool8 DoubleWidthPixels;
+ int RenderedScreenHeight;
+ int RenderedScreenWidth;
+ uint32 Red [256];
+ uint32 Green [256];
+ uint32 Blue [256];
+ uint8* XB;
+ uint32 ScreenColors [256];
+ int PreviousLine;
+ int CurrentLine;
+ int Controller;
+ uint32 Joypads[5];
+ uint32 SuperScope;
+ uint32 Mouse[2];
+ int PrevMouseX[2];
+ int PrevMouseY[2];
+ ClipData Clip [2];
+} InternalPPU;
+
+typedef struct
+{
+ short HPos;
+ uint16 VPos;
+ uint16 Name;
+ uint8 VFlip;
+ uint8 HFlip;
+ uint8 Priority;
+ uint8 Palette;
+ uint8 Size;
+} SOBJ;
+
+typedef struct
+{
+ uint8 BGMode;
+ uint8 BG3Priority;
+ uint8 Brightness;
+
+ struct
+ {
+ bool8 High;
+ uint8 Increment;
+ uint16 Address;
+ uint16 Mask1;
+ uint16 FullGraphicCount;
+ uint16 Shift;
+ } VMA;
+
+ struct
+ {
+ uint16 SCBase;
+ uint16 VOffset;
+ uint16 HOffset;
+ uint8 BGSize;
+ uint16 NameBase;
+ uint16 SCSize;
+ bool8 OffsetsChanged; //-chg
+ } BG [4];
+
+ bool8 CGFLIP;
+ uint16 CGDATA [256];
+ uint8 FirstSprite;
+ uint8 LastSprite;
+ SOBJ OBJ [128];
+ uint8 OAMPriorityRotation;
+ uint16 OAMAddr;
+
+ uint8 OAMFlip;
+ uint16 OAMTileAddress;
+ uint16 IRQVBeamPos;
+ uint16 IRQHBeamPos;
+ uint16 VBeamPosLatched;
+ uint16 HBeamPosLatched;
+
+ uint8 HBeamFlip;
+ uint8 VBeamFlip;
+ uint8 HVBeamCounterLatched;
+
+ short MatrixA;
+ short MatrixB;
+ short MatrixC;
+ short MatrixD;
+ short CentreX;
+ short CentreY;
+ uint8 Joypad1ButtonReadPos;
+ uint8 Joypad2ButtonReadPos;
+
+ uint8 CGADD;
+ uint8 FixedColourRed;
+ uint8 FixedColourGreen;
+ uint8 FixedColourBlue;
+ uint16 SavedOAMAddr;
+ uint16 ScreenHeight;
+ uint32 WRAM;
+ uint8 BG_Forced;
+ bool8 ForcedBlanking;
+ bool8 OBJThroughMain;
+ bool8 OBJThroughSub;
+ uint8 OBJSizeSelect;
+ uint16 OBJNameBase;
+ bool8 OBJAddition;
+ uint8 OAMReadFlip;
+ uint8 OAMData [512 + 32];
+ bool8 VTimerEnabled;
+ bool8 HTimerEnabled;
+ short HTimerPosition;
+ uint8 Mosaic;
+ bool8 BGMosaic [4];
+ bool8 Mode7HFlip;
+ bool8 Mode7VFlip;
+ uint8 Mode7Repeat;
+ uint8 Window1Left;
+ uint8 Window1Right;
+ uint8 Window2Left;
+ uint8 Window2Right;
+ uint8 ClipCounts [6];
+ uint8 ClipWindowOverlapLogic [6];
+ uint8 ClipWindow1Enable [6];
+ uint8 ClipWindow2Enable [6];
+ bool8 ClipWindow1Inside [6];
+ bool8 ClipWindow2Inside [6];
+ bool8 RecomputeClipWindows;
+ uint8 CGFLIPRead;
+ uint16 OBJNameSelect;
+ bool8 Need16x8Mulitply;
+ uint8 Joypad3ButtonReadPos;
+ uint8 MouseSpeed[2];
+ uint16 SavedOAMAddr2;
+ uint16 OAMWriteRegister;
+ uint8 BGnxOFSbyte;
+} SPPU;
#define CLIP_OR 0
#define CLIP_AND 1
#define CLIP_XOR 2
#define CLIP_XNOR 3
-typedef struct {
- bool8 TransferDirection;
- bool8 AAddressFixed;
- bool8 AAddressDecrement;
- uint8 TransferMode;
-
- uint8 ABank;
- uint16 AAddress;
- uint16 Address;
- uint8 BAddress;
-
- // General DMA only:
- uint16 TransferBytes;
-
- // H-DMA only:
- bool8 HDMAIndirectAddressing;
- uint16 IndirectAddress;
- uint8 IndirectBank;
- uint8 Repeat;
- uint8 LineCount;
- uint8 FirstLine;
-}SDMA;
+typedef struct
+{
+ bool8 TransferDirection;
+ bool8 AAddressFixed;
+ bool8 AAddressDecrement;
+ uint8 TransferMode;
+
+ uint8 ABank;
+ uint16 AAddress;
+ uint16 Address;
+ uint8 BAddress;
+
+ // General DMA only:
+ uint16 TransferBytes;
+
+ // H-DMA only:
+ bool8 HDMAIndirectAddressing;
+ uint16 IndirectAddress;
+ uint8 IndirectBank;
+ uint8 Repeat;
+ uint8 LineCount;
+ uint8 FirstLine;
+} SDMA;
START_EXTERN_C
//void S9xUpdateScreen ();
-void S9xResetPPU ();
-void S9xFixColourBrightness ();
-void S9xUpdateJoypads ();
+void S9xResetPPU();
+void S9xFixColourBrightness();
+void S9xUpdateJoypads();
void S9xProcessMouse(int which1);
-void S9xSuperFXExec ();
+void S9xSuperFXExec();
-void S9xSetPPU (uint8 Byte, uint16 Address);
-uint8 S9xGetPPU (uint16 Address);
-void S9xSetCPU (uint8 Byte, uint16 Address);
-uint8 S9xGetCPU (uint16 Address);
+void S9xSetPPU(uint8 Byte, uint16 Address);
+uint8 S9xGetPPU(uint16 Address);
+void S9xSetCPU(uint8 Byte, uint16 Address);
+uint8 S9xGetCPU(uint16 Address);
-void S9xInitC4 ();
-void S9xSetC4 (uint8 Byte, uint16 Address);
-uint8 S9xGetC4 (uint16 Address);
-void S9xSetC4RAM (uint8 Byte, uint16 Address);
-uint8 S9xGetC4RAM (uint16 Address);
+void S9xInitC4();
+void S9xSetC4(uint8 Byte, uint16 Address);
+uint8 S9xGetC4(uint16 Address);
+void S9xSetC4RAM(uint8 Byte, uint16 Address);
+uint8 S9xGetC4RAM(uint16 Address);
extern SPPU PPU;
extern SDMA DMA [8];
@@ -272,230 +277,232 @@ END_EXTERN_C
STATIC INLINE uint8 REGISTER_4212()
{
- GetBank = 0;
- if (CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE &&
- CPU.V_Counter < PPU.ScreenHeight + FIRST_VISIBLE_LINE + 3)
- GetBank = 1;
+ GetBank = 0;
+ if (CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE &&
+ CPU.V_Counter < PPU.ScreenHeight + FIRST_VISIBLE_LINE + 3)
+ GetBank = 1;
- GetBank |= CPU.Cycles >= Settings.HBlankStart ? 0x40 : 0;
- if (CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE)
- GetBank |= 0x80; /* XXX: 0x80 or 0xc0 ? */
+ GetBank |= CPU.Cycles >= Settings.HBlankStart ? 0x40 : 0;
+ if (CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE)
+ GetBank |= 0x80; /* XXX: 0x80 or 0xc0 ? */
- return (GetBank);
+ return (GetBank);
}
/*
STATIC INLINE void FLUSH_REDRAW ()
{
if (IPPU.PreviousLine != IPPU.CurrentLine)
- S9xUpdateScreen ();
+ S9xUpdateScreen ();
}
*/
#define FLUSH_REDRAW() if (IPPU.PreviousLine != IPPU.CurrentLine) S9xUpdateScreen ()
-STATIC INLINE void REGISTER_2104 (uint8 byte)
+STATIC INLINE void REGISTER_2104(uint8 byte)
{
- if (PPU.OAMAddr & 0x100)
- {
- int addr = ((PPU.OAMAddr & 0x10f) << 1) + (PPU.OAMFlip & 1);
- if (byte != PPU.OAMData [addr]){
-#ifdef __DEBUG__
- printf("SetPPU_2104, PPU.OAMData. Byte : %x\n", byte);
+ if (PPU.OAMAddr & 0x100)
+ {
+ int addr = ((PPU.OAMAddr & 0x10f) << 1) + (PPU.OAMFlip & 1);
+ if (byte != PPU.OAMData [addr])
+ {
+#ifdef __DEBUG__
+ printf("SetPPU_2104, PPU.OAMData. Byte : %x\n", byte);
#endif
- FLUSH_REDRAW ();
- PPU.OAMData [addr] = byte;
- IPPU.OBJChanged = TRUE;
-
- // X position high bit, and sprite size (x4)
- 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;
- }
- } else if(!(PPU.OAMFlip & 1)){
- PPU.OAMWriteRegister &= 0xff00;
- PPU.OAMWriteRegister |= byte;
- PPU.OAMFlip |= 1;
- } else {
- PPU.OAMWriteRegister &= 0x00ff;
- uint8 lowbyte = (uint8)(PPU.OAMWriteRegister);
- uint8 highbyte = byte;
- PPU.OAMWriteRegister |= byte << 8;
-
- int addr = (PPU.OAMAddr << 1);
-
- if (lowbyte != PPU.OAMData [addr] ||
- highbyte != PPU.OAMData [addr+1])
- {
- FLUSH_REDRAW ();
-#ifdef __DEBUG__
- printf("SetPPU_2104, PPU.OAMData. Byte : %x\n", byte);
+ FLUSH_REDRAW();
+ PPU.OAMData [addr] = byte;
+ IPPU.OBJChanged = TRUE;
+
+ // X position high bit, and sprite size (x4)
+ 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;
+ }
+ }
+ else if (!(PPU.OAMFlip & 1))
+ {
+ PPU.OAMWriteRegister &= 0xff00;
+ PPU.OAMWriteRegister |= byte;
+ PPU.OAMFlip |= 1;
+ }
+ else
+ {
+ PPU.OAMWriteRegister &= 0x00ff;
+ uint8 lowbyte = (uint8)(PPU.OAMWriteRegister);
+ uint8 highbyte = byte;
+ PPU.OAMWriteRegister |= byte << 8;
+
+ int addr = (PPU.OAMAddr << 1);
+
+ if (lowbyte != PPU.OAMData [addr] ||
+ highbyte != PPU.OAMData [addr + 1])
+ {
+ FLUSH_REDRAW();
+#ifdef __DEBUG__
+ printf("SetPPU_2104, PPU.OAMData. Byte : %x\n", byte);
#endif
- 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;
- }
-
- Memory.FillRAM [0x2104] = byte;
+ 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;
+ }
+
+ Memory.FillRAM [0x2104] = byte;
}
-STATIC INLINE void REGISTER_2118 (uint8 Byte)
+STATIC INLINE void REGISTER_2118(uint8 Byte)
{
- uint32 address;
- if (PPU.VMA.FullGraphicCount)
- {
- uint32 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;
- if (!PPU.VMA.High)
- {
+ uint32 address;
+ if (PPU.VMA.FullGraphicCount)
+ {
+ uint32 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;
+ if (!PPU.VMA.High)
+ {
#ifdef DEBUGGER
- if (Settings.TraceVRAM && !CPU.InDMA)
- {
- 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;
- }
-// Memory.FillRAM [0x2118] = Byte;
+ if (Settings.TraceVRAM && !CPU.InDMA)
+ {
+ 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;
+ }
+ // Memory.FillRAM [0x2118] = Byte;
}
-STATIC INLINE void REGISTER_2118_tile (uint8 Byte)
+STATIC INLINE void REGISTER_2118_tile(uint8 Byte)
{
- uint32 address;
- uint32 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;
- IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
- IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
- IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
- if (!PPU.VMA.High)
- PPU.VMA.Address += PPU.VMA.Increment;
-// Memory.FillRAM [0x2118] = Byte;
+ uint32 address;
+ uint32 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;
+ IPPU.TileCached [TILE_2BIT][address >> 4] = FALSE;
+ IPPU.TileCached [TILE_4BIT][address >> 5] = FALSE;
+ IPPU.TileCached [TILE_8BIT][address >> 6] = FALSE;
+ if (!PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+ // Memory.FillRAM [0x2118] = Byte;
}
-STATIC INLINE void REGISTER_2118_linear (uint8 Byte)
+STATIC INLINE void REGISTER_2118_linear(uint8 Byte)
{
- uint32 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;
- if (!PPU.VMA.High)
- PPU.VMA.Address += PPU.VMA.Increment;
-// Memory.FillRAM [0x2118] = Byte;
+ uint32 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;
+ if (!PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+ // Memory.FillRAM [0x2118] = Byte;
}
-STATIC INLINE void REGISTER_2119 (uint8 Byte)
+STATIC INLINE void REGISTER_2119(uint8 Byte)
{
- uint32 address;
- if (PPU.VMA.FullGraphicCount)
- {
- uint32 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;
- if (PPU.VMA.High)
- {
+ uint32 address;
+ if (PPU.VMA.FullGraphicCount)
+ {
+ uint32 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;
+ if (PPU.VMA.High)
+ {
#ifdef DEBUGGER
- if (Settings.TraceVRAM && !CPU.InDMA)
- {
- 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;
- }
-// Memory.FillRAM [0x2119] = Byte;
+ if (Settings.TraceVRAM && !CPU.InDMA)
+ {
+ 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;
+ }
+ // Memory.FillRAM [0x2119] = Byte;
}
-STATIC INLINE void REGISTER_2119_tile (uint8 Byte)
+STATIC INLINE void REGISTER_2119_tile(uint8 Byte)
{
- uint32 rem = PPU.VMA.Address & PPU.VMA.Mask1;
- uint32 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;
- if (PPU.VMA.High)
- PPU.VMA.Address += PPU.VMA.Increment;
-// Memory.FillRAM [0x2119] = Byte;
+ uint32 rem = PPU.VMA.Address & PPU.VMA.Mask1;
+ uint32 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;
+ if (PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+ // Memory.FillRAM [0x2119] = Byte;
}
-STATIC INLINE void REGISTER_2119_linear (uint8 Byte)
+STATIC INLINE void REGISTER_2119_linear(uint8 Byte)
{
- uint32 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;
- if (PPU.VMA.High)
- PPU.VMA.Address += PPU.VMA.Increment;
-// Memory.FillRAM [0x2119] = Byte;
+ uint32 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;
+ if (PPU.VMA.High)
+ PPU.VMA.Address += PPU.VMA.Increment;
+ // Memory.FillRAM [0x2119] = Byte;
}
#ifdef __OLD_RASTER_FX__
@@ -504,103 +511,108 @@ STATIC INLINE void REGISTER_2122_delayedRasterFx(uint8 Byte)
STATIC INLINE void REGISTER_2122(uint8 Byte)
#endif
{
- // CG-RAM (palette) write
+ // CG-RAM (palette) write
- if (PPU.CGFLIP)
- {
- if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8))
- {
- PPU.CGDATA[PPU.CGADD] &= 0x00FF;
- PPU.CGDATA[PPU.CGADD] |= (Byte & 0x7f) << 8;
- if (!(Settings.os9x_hack&PPU_IGNORE_PALWRITE)){
-#ifdef __DEBUG__
- printf("SetPPU_2122, CG-RAM (palette) write. PPU.CFGFLIP. Byte : %x\n", Byte);
+ if (PPU.CGFLIP)
+ {
+ if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8))
+ {
+ PPU.CGDATA[PPU.CGADD] &= 0x00FF;
+ PPU.CGDATA[PPU.CGADD] |= (Byte & 0x7f) << 8;
+ if (!(Settings.os9x_hack & PPU_IGNORE_PALWRITE))
+ {
+#ifdef __DEBUG__
+ printf("SetPPU_2122, CG-RAM (palette) write. PPU.CFGFLIP. Byte : %x\n", Byte);
#endif
- ADD_ROP(ROP_PALETTE, PPU.CGADD | (PPU.CGDATA[PPU.CGADD] << 16));
- }
- }
- PPU.CGADD++;
- }
- else
- {
- if (Byte != (uint8) (PPU.CGDATA[PPU.CGADD] & 0xff))
- {
- PPU.CGDATA[PPU.CGADD] &= 0x7F00;
- PPU.CGDATA[PPU.CGADD] |= Byte;
- if (!(Settings.os9x_hack&PPU_IGNORE_PALWRITE)){
-#ifdef __DEBUG__
- printf("SetPPU_2122, CG-RAM (palette) write. !PPU.CFGFLIP. Byte : %x\n", Byte);
+ ADD_ROP(ROP_PALETTE, PPU.CGADD | (PPU.CGDATA[PPU.CGADD] << 16));
+ }
+ }
+ PPU.CGADD++;
+ }
+ else
+ {
+ if (Byte != (uint8)(PPU.CGDATA[PPU.CGADD] & 0xff))
+ {
+ PPU.CGDATA[PPU.CGADD] &= 0x7F00;
+ PPU.CGDATA[PPU.CGADD] |= Byte;
+ if (!(Settings.os9x_hack & PPU_IGNORE_PALWRITE))
+ {
+#ifdef __DEBUG__
+ printf("SetPPU_2122, CG-RAM (palette) write. !PPU.CFGFLIP. Byte : %x\n", Byte);
#endif
- ADD_ROP(ROP_PALETTE, PPU.CGADD | (PPU.CGDATA[PPU.CGADD] << 16));
- }
- }
- }
- PPU.CGFLIP ^= 1;
-// Memory.FillRAM [0x2122] = Byte;
+ ADD_ROP(ROP_PALETTE, PPU.CGADD | (PPU.CGDATA[PPU.CGADD] << 16));
+ }
+ }
+ }
+ PPU.CGFLIP ^= 1;
+ // Memory.FillRAM [0x2122] = Byte;
}
#ifdef __OLD_RASTER_FX__
STATIC INLINE void REGISTER_2122_normalRasterFx(uint8 Byte)
{
- // CG-RAM (palette) write
+ // CG-RAM (palette) write
- if (PPU.CGFLIP)
- {
- if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8))
- {
- if (!(Settings.os9x_hack&PPU_IGNORE_PALWRITE)){
-#ifdef __DEBUG__
- printf("SetPPU_2122, CG-RAM (palette) write. PPU.CFGFLIP. Byte : %x\n", Byte);
+ if (PPU.CGFLIP)
+ {
+ if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8))
+ {
+ if (!(Settings.os9x_hack & PPU_IGNORE_PALWRITE))
+ {
+#ifdef __DEBUG__
+ printf("SetPPU_2122, CG-RAM (palette) write. PPU.CFGFLIP. Byte : %x\n", Byte);
#endif
- FLUSH_REDRAW ();
- }
- PPU.CGDATA[PPU.CGADD] &= 0x00FF;
- PPU.CGDATA[PPU.CGADD] |= (Byte & 0x7f) << 8;
- IPPU.ColorsChanged = TRUE;
- IPPU.Blue [PPU.CGADD] = (Byte >> 2) & 0x1f;
- IPPU.Green [PPU.CGADD] = (PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f;
- IPPU.ScreenColors [PPU.CGADD] = (uint16) BUILD_PIXEL (IPPU.XB[IPPU.Red[PPU.CGADD]],
- IPPU.XB[IPPU.Green[PPU.CGADD]],
- IPPU.XB[IPPU.Blue [PPU.CGADD]]);
- }
- PPU.CGADD++;
- }
- else
- {
- if (Byte != (uint8) (PPU.CGDATA[PPU.CGADD] & 0xff))
- {
- if (!(Settings.os9x_hack&PPU_IGNORE_PALWRITE)){
-#ifdef __DEBUG__
- printf("SetPPU_2122, CG-RAM (palette) write. !PPU.CFGFLIP. Byte : %x\n", Byte);
+ FLUSH_REDRAW();
+ }
+ PPU.CGDATA[PPU.CGADD] &= 0x00FF;
+ PPU.CGDATA[PPU.CGADD] |= (Byte & 0x7f) << 8;
+ IPPU.ColorsChanged = TRUE;
+ IPPU.Blue [PPU.CGADD] = (Byte >> 2) & 0x1f;
+ IPPU.Green [PPU.CGADD] = (PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f;
+ IPPU.ScreenColors [PPU.CGADD] = (uint16) BUILD_PIXEL(IPPU.XB[IPPU.Red[PPU.CGADD]],
+ IPPU.XB[IPPU.Green[PPU.CGADD]],
+ IPPU.XB[IPPU.Blue [PPU.CGADD]]);
+ }
+ PPU.CGADD++;
+ }
+ else
+ {
+ if (Byte != (uint8)(PPU.CGDATA[PPU.CGADD] & 0xff))
+ {
+ if (!(Settings.os9x_hack & PPU_IGNORE_PALWRITE))
+ {
+#ifdef __DEBUG__
+ printf("SetPPU_2122, CG-RAM (palette) write. !PPU.CFGFLIP. Byte : %x\n", Byte);
#endif
- FLUSH_REDRAW ();
- }
-
- PPU.CGDATA[PPU.CGADD] &= 0x7F00;
- PPU.CGDATA[PPU.CGADD] |= Byte;
- IPPU.ColorsChanged = TRUE;
- IPPU.Red [PPU.CGADD] = Byte & 0x1f;
- IPPU.Green [PPU.CGADD] = (PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f;
- IPPU.ScreenColors [PPU.CGADD] = (uint16) BUILD_PIXEL (IPPU.XB[IPPU.Red[PPU.CGADD]],
- IPPU.XB[IPPU.Green[PPU.CGADD]],
- IPPU.XB[IPPU.Blue [PPU.CGADD]]);
- }
- }
- PPU.CGFLIP ^= 1;
-// Memory.FillRAM [0x2122] = Byte;
+ FLUSH_REDRAW();
+ }
+
+ PPU.CGDATA[PPU.CGADD] &= 0x7F00;
+ PPU.CGDATA[PPU.CGADD] |= Byte;
+ IPPU.ColorsChanged = TRUE;
+ IPPU.Red [PPU.CGADD] = Byte & 0x1f;
+ IPPU.Green [PPU.CGADD] = (PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f;
+ IPPU.ScreenColors [PPU.CGADD] = (uint16) BUILD_PIXEL(IPPU.XB[IPPU.Red[PPU.CGADD]],
+ IPPU.XB[IPPU.Green[PPU.CGADD]],
+ IPPU.XB[IPPU.Blue [PPU.CGADD]]);
+ }
+ }
+ PPU.CGFLIP ^= 1;
+ // Memory.FillRAM [0x2122] = Byte;
}
-STATIC INLINE void REGISTER_2122(uint8 Byte) {
- if (snesMenuOptions.delayedRasterFX) REGISTER_2122_delayedRasterFx(Byte);
- else REGISTER_2122_normalRasterFx(Byte);
+STATIC INLINE void REGISTER_2122(uint8 Byte)
+{
+ if (snesMenuOptions.delayedRasterFX) REGISTER_2122_delayedRasterFx(Byte);
+ else REGISTER_2122_normalRasterFx(Byte);
}
#endif
STATIC INLINE void REGISTER_2180(uint8 Byte)
{
- Memory.RAM[PPU.WRAM++] = Byte;
- PPU.WRAM &= 0x1FFFF;
- Memory.FillRAM [0x2180] = Byte;
+ Memory.RAM[PPU.WRAM++] = Byte;
+ PPU.WRAM &= 0x1FFFF;
+ Memory.FillRAM [0x2180] = Byte;
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-30 11:17:25 +0000