start moving everything to C

1 files changed, 0 insertions, 3132 deletions

diff --git a/source/ppu.cpp b/source/ppu.cpp
deleted file mode 100644
index 4717f1d..0000000
--- a/source/ppu.cpp
+++ /dev/null
@@ -1,3132 +0,0 @@
-/*******************************************************************************
-  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 "cpuexec.h"
-#include "missing.h"
-#include "apu.h"
-#include "dma.h"
-#include "gfx.h"
-#include "display.h"
-#include "sa1.h"
-#include "sdd1.h"
-#include "srtc.h"
-#include "spc7110.h"
-
-#ifndef ZSNES_FX
-#include "fxemu.h"
-#include "fxinst.h"
-extern struct FxInit_s SuperFX;
-#else
-EXTERN_C void S9xSuperFXWriteReg (uint8, uint32);
-EXTERN_C uint8 S9xSuperFXReadReg (uint32);
-#endif
-
-uint32 justifiers=0xFFFF00AA;
-uint8 in_bit=0;
-
-extern uint8 *HDMAMemPointers [8];
-
-void S9xLatchCounters (bool force)
-{
-	if(!force && !(Memory.FillRAM[0x4213] & 0x80)) return;
-
-#if 0
-# ifdef CPU_SHUTDOWN
-	CPU.WaitAddress = CPU.PCAtOpcodeStart;
-# endif
-#endif
-	PPU.HVBeamCounterLatched = 1;
-	PPU.VBeamPosLatched = (uint16) CPU.V_Counter;
-	PPU.HBeamPosLatched = (uint16) ((CPU.Cycles * SNES_HCOUNTER_MAX) / Settings.H_Max);
-
-	// Causes screen flicker for Yoshi's Island if uncommented
-	//CLEAR_IRQ_SOURCE (PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE);
-
-	Memory.FillRAM [0x213F] |= 0x40;
-}
-
-void S9xUpdateJustifiers();
-
-void S9xUpdateHTimer ()
-{
-	if (PPU.HTimerEnabled)
-	{
-		PPU.HTimerPosition = PPU.IRQHBeamPos * Settings.H_Max / SNES_HCOUNTER_MAX;
-		if (PPU.HTimerPosition == Settings.H_Max ||
-			PPU.HTimerPosition == Settings.HBlankStart)
-		{
-			PPU.HTimerPosition--;
-		}
-
-		if (!PPU.VTimerEnabled || CPU.V_Counter == PPU.IRQVBeamPos)
-		{
-			if (PPU.HTimerPosition < CPU.Cycles)
-			{
-				// Missed the IRQ on this line already
-				if (CPU.WhichEvent == HBLANK_END_EVENT ||
-					CPU.WhichEvent == HTIMER_AFTER_EVENT)
-				{
-					CPU.WhichEvent = HBLANK_END_EVENT;
-					CPU.NextEvent = Settings.H_Max;
-				}
-				else
-				{
-					CPU.WhichEvent = HBLANK_START_EVENT;
-					CPU.NextEvent = Settings.HBlankStart;
-				}
-			}
-			else
-			{
-				if (CPU.WhichEvent == HTIMER_BEFORE_EVENT ||
-					CPU.WhichEvent == HBLANK_START_EVENT)
-				{
-					if (PPU.HTimerPosition > Settings.HBlankStart)
-					{
-						// HTimer was to trigger before h-blank start,
-						// now triggers after start of h-blank
-						CPU.NextEvent = Settings.HBlankStart;
-						CPU.WhichEvent = HBLANK_START_EVENT;
-					}
-					else
-					{
-						CPU.NextEvent = PPU.HTimerPosition;
-						CPU.WhichEvent = HTIMER_BEFORE_EVENT;
-					}
-				}
-				else
-				{
-					CPU.WhichEvent = HTIMER_AFTER_EVENT;
-					CPU.NextEvent = PPU.HTimerPosition;
-				}
-			}
-		}
-	}
-}
-
-void S9xFixColourBrightness ()
-{
- IPPU.XB = mul_brightness [PPU.Brightness];
-   for (int i = 0; i < 256; i++)
-   {
-      IPPU.Red [i] = IPPU.XB [PPU.CGDATA [i] & 0x1f];
-      IPPU.Green [i] = IPPU.XB [(PPU.CGDATA [i] >> 5) & 0x1f];
-      IPPU.Blue [i] = IPPU.XB [(PPU.CGDATA [i] >> 10) & 0x1f];
-      IPPU.ScreenColors [i] = BUILD_PIXEL (IPPU.Red [i], IPPU.Green [i],
-                                  IPPU.Blue [i]);
-   }
-}
-
-/******************************************************************************/
-/* S9xSetPPU()                                                                */
-/* This function sets a PPU Register to a specific byte                       */
-/******************************************************************************/
-void S9xSetPPU (uint8 Byte, uint16 Address)
-{
-//    fprintf(stderr, "%03d: %02x to %04x\n", CPU.V_Counter, Byte, Address);
-	if (Address <= 0x2183)
-	{
-		switch (Address)
-		{
-		  case 0x2100:
-			// Brightness and screen blank bit
-			if (Byte != Memory.FillRAM [0x2100])
-			{
-				FLUSH_REDRAW ();
-				if (PPU.Brightness != (Byte & 0xF))
-				{
-					IPPU.ColorsChanged = TRUE;
-					IPPU.DirectColourMapsNeedRebuild = TRUE;
-					PPU.Brightness = Byte & 0xF;
-					S9xFixColourBrightness ();
-					if (PPU.Brightness > IPPU.MaxBrightness)
-						IPPU.MaxBrightness = PPU.Brightness;
-				}
-				if ((Memory.FillRAM[0x2100] & 0x80) != (Byte & 0x80))
-				{
-					IPPU.ColorsChanged = TRUE;
-					PPU.ForcedBlanking = (Byte >> 7) & 1;
-				}
-			}
-			break;
-
-		  case 0x2101:
-			// Sprite (OBJ) tile address
-			if (Byte != Memory.FillRAM [0x2101])
-			{
-				FLUSH_REDRAW ();
-				PPU.OBJNameBase   = (Byte & 3) << 14;
-				PPU.OBJNameSelect = ((Byte >> 3) & 3) << 13;
-				PPU.OBJSizeSelect = (Byte >> 5) & 7;
-				IPPU.OBJChanged = TRUE;
-			}
-			break;
-
-		  case 0x2102:
-			// Sprite write address (low)
-			PPU.OAMAddr = ((Memory.FillRAM[0x2103]&1)<<8) | Byte;
-			PPU.OAMFlip = 2;
-			PPU.OAMReadFlip = 0;
-			PPU.SavedOAMAddr = PPU.OAMAddr;
-			if (PPU.OAMPriorityRotation && PPU.FirstSprite != (PPU.OAMAddr >> 1))
-			{
-				PPU.FirstSprite = (PPU.OAMAddr&0xFE) >> 1;
-				IPPU.OBJChanged = TRUE;
-			}
-			break;
-
-		  case 0x2103:
-			// Sprite register write address (high), sprite priority rotation
-			// bit.
-			PPU.OAMAddr = ((Byte&1)<<8) | Memory.FillRAM[0x2102];
-
-                        PPU.OAMPriorityRotation=(Byte & 0x80)? 1 : 0;
-			if (PPU.OAMPriorityRotation)
-			{
-				if (PPU.FirstSprite != (PPU.OAMAddr >> 1))
-				{
-					PPU.FirstSprite = (PPU.OAMAddr&0xFE) >> 1;
-					IPPU.OBJChanged = TRUE;
-				}
-			} else {
-				if (PPU.FirstSprite != 0)
-				{
-					PPU.FirstSprite = 0;
-					IPPU.OBJChanged = TRUE;
-				}
-			}
-			PPU.OAMFlip = 0;
-			PPU.OAMReadFlip = 0;
-			PPU.SavedOAMAddr = PPU.OAMAddr;
-			break;
-
-		  case 0x2104:
-			// Sprite register write
-			REGISTER_2104(Byte);
-			break;
-
-		  case 0x2105:
-			// Screen mode (0 - 7), background tile sizes and background 3
-			// priority
-			if (Byte != Memory.FillRAM [0x2105])
-			{
-				FLUSH_REDRAW ();
-				PPU.BG[0].BGSize = (Byte >> 4) & 1;
-				PPU.BG[1].BGSize = (Byte >> 5) & 1;
-				PPU.BG[2].BGSize = (Byte >> 6) & 1;
-				PPU.BG[3].BGSize = (Byte >> 7) & 1;
-				PPU.BGMode = Byte & 7;
-				// BJ: BG3Priority only takes effect if BGMode==1 and the bit is set
-				PPU.BG3Priority  = ((Byte & 0x0f) == 0x09);
-				if(PPU.BGMode==5||PPU.BGMode==6)
-					IPPU.Interlace = Memory.FillRAM[0x2133]&1;
-			}
-			break;
-
-		  case 0x2106:
-			// Mosaic pixel size and enable
-			if (Byte != Memory.FillRAM [0x2106])
-			{
-				FLUSH_REDRAW ();
-				PPU.Mosaic = (Byte >> 4) + 1;
-				PPU.BGMosaic [0] = (Byte & 1) && PPU.Mosaic > 1;
-				PPU.BGMosaic [1] = (Byte & 2) && PPU.Mosaic > 1;
-				PPU.BGMosaic [2] = (Byte & 4) && PPU.Mosaic > 1;
-				PPU.BGMosaic [3] = (Byte & 8) && PPU.Mosaic > 1;
-			}
-			break;
-		  case 0x2107:		// [BG0SC]
-		  case 0x2108:		// [BG1SC]
-		  case 0x2109:		// [BG2SC]
-		  case 0x210A:		// [BG3SC]
-			if (Byte != Memory.FillRAM [Address])
-			{
-				FLUSH_REDRAW ();
-				PPU.BG[Address - 0x2107].SCSize = Byte & 3;
-				PPU.BG[Address - 0x2107].SCBase = (Byte & 0x7c) << 8;
-			}
-			break;
-
-		  case 0x210B:		// [BG01NBA]
-			if (Byte != Memory.FillRAM [0x210b])
-			{
-				FLUSH_REDRAW ();
-				PPU.BG[0].NameBase    = (Byte & 7) << 12;
-				PPU.BG[1].NameBase    = ((Byte >> 4) & 7) << 12;
-			}
-			break;
-
-		  case 0x210C:		// [BG23NBA]
-			if (Byte != Memory.FillRAM [0x210c])
-			{
-				FLUSH_REDRAW ();
-				PPU.BG[2].NameBase    = (Byte & 7) << 12;
-				PPU.BG[3].NameBase    = ((Byte >> 4) & 7) << 12;
-			}
-			break;
-
-
-			//This is the Theme Park fix - it appears all these registers
-			//share a previous byte value for setting them.
-
-		  case 0x210D:
-			//TEST9        if(last_written != 0x210d) PPU.BGnxOFSbyte = 0;
-			PPU.BG[0].HOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[0].HOffset = %04x  %d)\n", Byte, Address, PPU.BG[0].HOffset, CPU.V_Counter);
-			break;
-
-		  case 0x210E:
-			PPU.BG[0].VOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[0].VOffset = %04x  %d)\n", Byte, Address, PPU.BG[0].VOffset, CPU.V_Counter);
-			break;
-
-		  case 0x210F:
-			PPU.BG[1].HOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[1].HOffset = %04x  %d)\n", Byte, Address, PPU.BG[1].HOffset, CPU.V_Counter);
-			break;
-
-		  case 0x2110:
-			PPU.BG[1].VOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[1].VOffset = %04x  %d)\n", Byte, Address, PPU.BG[1].VOffset, CPU.V_Counter);
-			break;
-
-		  case 0x2111:
-			PPU.BG[2].HOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[2].HOffset = %04x  %d)\n", Byte, Address, PPU.BG[2].HOffset, CPU.V_Counter);
-			break;
-
-		  case 0x2112:
-			PPU.BG[2].VOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[2].VOffset = %04x  %d)\n", Byte, Address, PPU.BG[2].VOffset, CPU.V_Counter);
-			break;
-
-		  case 0x2113:
-			PPU.BG[3].HOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[3].HOffset = %04x  %d)\n", Byte, Address, PPU.BG[3].HOffset, CPU.V_Counter);
-			break;
-
-		  case 0x2114:
-			PPU.BG[3].VOffset = (Byte<<8) | PPU.BGnxOFSbyte;
-			PPU.BGnxOFSbyte = Byte;
-			//        fprintf(stderr, "%02x to %04x (PPU.BG[3].VOffset = %04x  %d)\n", Byte, Address, PPU.BG[3].VOffset, CPU.V_Counter);
-			break;
-
-			//end Theme Park
-
-		  case 0x2115:
-			// VRAM byte/word access flag and increment
-			PPU.VMA.High = (Byte & 0x80) == 0 ? FALSE : TRUE;
-			switch (Byte & 3)
-			{
-			  case 0:
-				PPU.VMA.Increment = 1;
-				break;
-			  case 1:
-				PPU.VMA.Increment = 32;
-				break;
-			  case 2:
-			  case 3:
-				PPU.VMA.Increment = 128;
-				break;
-			}
-			if (Byte & 0x0c)
-			{
-				static uint16 IncCount [4] = { 0, 32, 64, 128 };
-				static uint16 Shift [4] = { 0, 5, 6, 7 };
-//				PPU.VMA.Increment = 1;
-				uint8 i = (Byte & 0x0c) >> 2;
-				PPU.VMA.FullGraphicCount = IncCount [i];
-				PPU.VMA.Mask1 = IncCount [i] * 8 - 1;
-				PPU.VMA.Shift = Shift [i];
-			}
-			else
-				PPU.VMA.FullGraphicCount = 0;
-			break;
-
-		  case 0x2116:
-			// VRAM read/write address (low)
-			PPU.VMA.Address &= 0xFF00;
-			PPU.VMA.Address |= Byte;
-#ifdef CORRECT_VRAM_READS
-			if (PPU.VMA.FullGraphicCount)
-			{
-				uint32 addr = PPU.VMA.Address;
-				uint32 rem = addr & PPU.VMA.Mask1;
-				uint32 address = (addr & ~PPU.VMA.Mask1) +
-					(rem >> PPU.VMA.Shift) +
-					((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((address << 1) & 0xFFFF));
-			} else
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((PPU.VMA.Address << 1) & 0xffff));
-#else
-			IPPU.FirstVRAMRead = TRUE;
-#endif
-			break;
-
-		  case 0x2117:
-			// VRAM read/write address (high)
-			PPU.VMA.Address &= 0x00FF;
-			PPU.VMA.Address |= Byte << 8;
-#ifdef CORRECT_VRAM_READS
-			if (PPU.VMA.FullGraphicCount)
-			{
-				uint32 addr = PPU.VMA.Address;
-				uint32 rem = addr & PPU.VMA.Mask1;
-				uint32 address = (addr & ~PPU.VMA.Mask1) +
-					(rem >> PPU.VMA.Shift) +
-					((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((address << 1) & 0xFFFF));
-			} else
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((PPU.VMA.Address << 1) & 0xffff));
-#else
-			IPPU.FirstVRAMRead = TRUE;
-#endif
-			break;
-
-		  case 0x2118:
-			// VRAM write data (low)
-#ifndef CORRECT_VRAM_READS
-			IPPU.FirstVRAMRead = TRUE;
-#endif
-			REGISTER_2118(Byte);
-			break;
-
-		  case 0x2119:
-			// VRAM write data (high)
-#ifndef CORRECT_VRAM_READS
-			IPPU.FirstVRAMRead = TRUE;
-#endif
-			REGISTER_2119(Byte);
-			break;
-
-		  case 0x211a:
-			// Mode 7 outside rotation area display mode and flipping
-			if (Byte != Memory.FillRAM [0x211a])
-			{
-				FLUSH_REDRAW ();
-				PPU.Mode7Repeat = Byte >> 6;
-				if (PPU.Mode7Repeat == 1)
-					PPU.Mode7Repeat = 0;
-				PPU.Mode7VFlip = (Byte & 2) >> 1;
-				PPU.Mode7HFlip = Byte & 1;
-			}
-			break;
-		  case 0x211b:
-			// Mode 7 matrix A (low & high)
-			PPU.MatrixA = ((PPU.MatrixA >> 8) & 0xff) | (Byte << 8);
-			PPU.Need16x8Mulitply = TRUE;
-			break;
-		  case 0x211c:
-			// Mode 7 matrix B (low & high)
-			PPU.MatrixB = ((PPU.MatrixB >> 8) & 0xff) | (Byte << 8);
-			PPU.Need16x8Mulitply = TRUE;
-			break;
-		  case 0x211d:
-			// Mode 7 matrix C (low & high)
-			PPU.MatrixC = ((PPU.MatrixC >> 8) & 0xff) | (Byte << 8);
-			break;
-		  case 0x211e:
-			// Mode 7 matrix D (low & high)
-			PPU.MatrixD = ((PPU.MatrixD >> 8) & 0xff) | (Byte << 8);
-			break;
-		  case 0x211f:
-			// Mode 7 centre of rotation X (low & high)
-			PPU.CentreX = ((PPU.CentreX >> 8) & 0xff) | (Byte << 8);
-			break;
-		  case 0x2120:
-			// Mode 7 centre of rotation Y (low & high)
-			PPU.CentreY = ((PPU.CentreY >> 8) & 0xff) | (Byte << 8);
-			break;
-
-		  case 0x2121:
-			// CG-RAM address
-			PPU.CGFLIP = 0;
-			PPU.CGFLIPRead = 0;
-			PPU.CGADD = Byte;
-			break;
-
-		  case 0x2122:
-			REGISTER_2122(Byte);
-			break;
-
-		  case 0x2123:
-			// Window 1 and 2 enable for backgrounds 1 and 2
-			if (Byte != Memory.FillRAM [0x2123])
-			{
-				FLUSH_REDRAW ();
-				PPU.ClipWindow1Enable [0] = !!(Byte & 0x02);
-				PPU.ClipWindow1Enable [1] = !!(Byte & 0x20);
-				PPU.ClipWindow2Enable [0] = !!(Byte & 0x08);
-				PPU.ClipWindow2Enable [1] = !!(Byte & 0x80);
-				PPU.ClipWindow1Inside [0] = !(Byte & 0x01);
-				PPU.ClipWindow1Inside [1] = !(Byte & 0x10);
-				PPU.ClipWindow2Inside [0] = !(Byte & 0x04);
-				PPU.ClipWindow2Inside [1] = !(Byte & 0x40);
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2124:
-			// Window 1 and 2 enable for backgrounds 3 and 4
-			if (Byte != Memory.FillRAM [0x2124])
-			{
-				FLUSH_REDRAW ();
-				PPU.ClipWindow1Enable [2] = !!(Byte & 0x02);
-				PPU.ClipWindow1Enable [3] = !!(Byte & 0x20);
-				PPU.ClipWindow2Enable [2] = !!(Byte & 0x08);
-				PPU.ClipWindow2Enable [3] = !!(Byte & 0x80);
-				PPU.ClipWindow1Inside [2] = !(Byte & 0x01);
-				PPU.ClipWindow1Inside [3] = !(Byte & 0x10);
-				PPU.ClipWindow2Inside [2] = !(Byte & 0x04);
-				PPU.ClipWindow2Inside [3] = !(Byte & 0x40);
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2125:
-			// Window 1 and 2 enable for objects and colour window
-			if (Byte != Memory.FillRAM [0x2125])
-			{
-				FLUSH_REDRAW ();
-				PPU.ClipWindow1Enable [4] = !!(Byte & 0x02);
-				PPU.ClipWindow1Enable [5] = !!(Byte & 0x20);
-				PPU.ClipWindow2Enable [4] = !!(Byte & 0x08);
-				PPU.ClipWindow2Enable [5] = !!(Byte & 0x80);
-				PPU.ClipWindow1Inside [4] = !(Byte & 0x01);
-				PPU.ClipWindow1Inside [5] = !(Byte & 0x10);
-				PPU.ClipWindow2Inside [4] = !(Byte & 0x04);
-				PPU.ClipWindow2Inside [5] = !(Byte & 0x40);
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2126:
-			// Window 1 left position
-			if (Byte != Memory.FillRAM [0x2126])
-			{
-				FLUSH_REDRAW ();
-				PPU.Window1Left = Byte;
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2127:
-			// Window 1 right position
-			if (Byte != Memory.FillRAM [0x2127])
-			{
-				FLUSH_REDRAW ();
-				PPU.Window1Right = Byte;
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2128:
-			// Window 2 left position
-			if (Byte != Memory.FillRAM [0x2128])
-			{
-				FLUSH_REDRAW ();
-				PPU.Window2Left = Byte;
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2129:
-			// Window 2 right position
-			if (Byte != Memory.FillRAM [0x2129])
-			{
-				FLUSH_REDRAW ();
-				PPU.Window2Right = Byte;
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x212a:
-			// Windows 1 & 2 overlap logic for backgrounds 1 - 4
-			if (Byte != Memory.FillRAM [0x212a])
-			{
-				FLUSH_REDRAW ();
-				PPU.ClipWindowOverlapLogic [0] = (Byte & 0x03);
-				PPU.ClipWindowOverlapLogic [1] = (Byte & 0x0c) >> 2;
-				PPU.ClipWindowOverlapLogic [2] = (Byte & 0x30) >> 4;
-				PPU.ClipWindowOverlapLogic [3] = (Byte & 0xc0) >> 6;
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x212b:
-			// Windows 1 & 2 overlap logic for objects and colour window
-			if (Byte != Memory.FillRAM [0x212b])
-			{
-				FLUSH_REDRAW ();
-				PPU.ClipWindowOverlapLogic [4] = Byte & 0x03;
-				PPU.ClipWindowOverlapLogic [5] = (Byte & 0x0c) >> 2;
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x212c:
-			// Main screen designation (backgrounds 1 - 4 and objects)
-			if (Byte != Memory.FillRAM [0x212c])
-			{
-				FLUSH_REDRAW ();
-				PPU.RecomputeClipWindows = TRUE;
-				Memory.FillRAM [Address] = Byte;
-				return;
-			}
-			break;
-		  case 0x212d:
-			// Sub-screen designation (backgrounds 1 - 4 and objects)
-			if (Byte != Memory.FillRAM [0x212d])
-			{
-				FLUSH_REDRAW ();
-				PPU.RecomputeClipWindows = TRUE;
-				Memory.FillRAM [Address] = Byte;
-				return;
-			}
-			break;
-		  case 0x212e:
-			// Window mask designation for main screen ?
-		  case 0x212f:
-			// Window mask designation for sub-screen ?
-			if (Byte != Memory.FillRAM [Address])
-			{
-				FLUSH_REDRAW ();
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2130:
-			// Fixed colour addition or screen addition
-			if (Byte != Memory.FillRAM [0x2130])
-			{
-				FLUSH_REDRAW ();
-				PPU.RecomputeClipWindows = TRUE;
-			}
-			break;
-		  case 0x2131:
-			// Colour addition or subtraction select
-			if (Byte != Memory.FillRAM[0x2131])
-			{
-				FLUSH_REDRAW ();
-				// Backgrounds 1 - 4, objects and backdrop colour add/sub enable
-				Memory.FillRAM[0x2131] = Byte;
-			}
-			break;
-		  case 0x2132:
-			if (Byte != Memory.FillRAM [0x2132])
-			{
-				FLUSH_REDRAW ();
-				// Colour data for fixed colour addition/subtraction
-				if (Byte & 0x80)
-					PPU.FixedColourBlue = Byte & 0x1f;
-				if (Byte & 0x40)
-					PPU.FixedColourGreen = Byte & 0x1f;
-				if (Byte & 0x20)
-					PPU.FixedColourRed = Byte & 0x1f;
-			}
-			break;
-		  case 0x2133:
-			// Screen settings
-			if (Byte != Memory.FillRAM [0x2133])
-			{
-				if (Byte & 0x04)
-				{
-					PPU.ScreenHeight = SNES_HEIGHT_EXTENDED;
-					if(IPPU.DoubleHeightPixels)
-						IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
-					else
-						IPPU.RenderedScreenHeight = PPU.ScreenHeight;
-				}
-				else PPU.ScreenHeight = SNES_HEIGHT;
-
-				//if((Byte & 1)&&(PPU.BGMode==5||PPU.BGMode==6))
-				//IPPU.Interlace=1;
-				if((Memory.FillRAM [0x2133] ^ Byte)&3)
-				{
-					FLUSH_REDRAW ();
-					if((Memory.FillRAM [0x2133] ^ Byte)&2)
-						IPPU.OBJChanged = TRUE;
-                                        if(PPU.BGMode==5||PPU.BGMode==6)
-                                            IPPU.Interlace = Byte&1;
-					IPPU.InterlaceSprites=0;
-					//   IPPU.InterlaceSprites = (Byte&2)>>1;
-				}
-
-			}
-			break;
-		  case 0x2134:
-		  case 0x2135:
-		  case 0x2136:
-			// Matrix 16bit x 8bit multiply result (read-only)
-			/* fall through */
-		  case 0x2137:
-			// Software latch for horizontal and vertical timers (read-only)
-			/* fall through */
-		  case 0x2138:
-			// OAM read data (read-only)
-			/* fall through */
-		  case 0x2139:
-		  case 0x213a:
-			// VRAM read data (read-only)
-			/* fall through */
-		  case 0x213b:
-			// CG-RAM read data (read-only)
-			/* fall through */
-		  case 0x213c:
-		  case 0x213d:
-			// Horizontal and vertical (low/high) read counter (read-only)
-			/* fall through */
-		  case 0x213e:
-			// PPU status (time over and range over)
-			/* fall through */
-		  case 0x213f:
-			// NTSC/PAL select and field (read-only)
-			return;
-		  case 0x2140: case 0x2141: case 0x2142: case 0x2143:
-		  case 0x2144: case 0x2145: case 0x2146: case 0x2147:
-		  case 0x2148: case 0x2149: case 0x214a: case 0x214b:
-		  case 0x214c: case 0x214d: case 0x214e: case 0x214f:
-		  case 0x2150: case 0x2151: case 0x2152: case 0x2153:
-		  case 0x2154: case 0x2155: case 0x2156: case 0x2157:
-		  case 0x2158: case 0x2159: case 0x215a: case 0x215b:
-		  case 0x215c: case 0x215d: case 0x215e: case 0x215f:
-		  case 0x2160: case 0x2161: case 0x2162: case 0x2163:
-		  case 0x2164: case 0x2165: case 0x2166: case 0x2167:
-		  case 0x2168: case 0x2169: case 0x216a: case 0x216b:
-		  case 0x216c: case 0x216d: case 0x216e: case 0x216f:
-		  case 0x2170: case 0x2171: case 0x2172: case 0x2173:
-		  case 0x2174: case 0x2175: case 0x2176: case 0x2177:
-		  case 0x2178: case 0x2179: case 0x217a: case 0x217b:
-		  case 0x217c: case 0x217d: case 0x217e: case 0x217f:
-#ifdef SPCTOOL
-			_SPCInPB (Address & 3, Byte);
-#else	
-			//	CPU.Flags |= DEBUG_MODE_FLAG;
-			Memory.FillRAM [Address] = Byte;
-			IAPU.RAM [(Address & 3) + 0xf4] = Byte;
-#ifdef SPC700_SHUTDOWN
-			IAPU.APUExecuting = Settings.APUEnabled;
-			IAPU.WaitCounter++;
-#endif
-#endif // SPCTOOL
-			break;
-		  case 0x2180:
-			REGISTER_2180(Byte);
-			break;
-		  case 0x2181:
-			PPU.WRAM &= 0x1FF00;
-			PPU.WRAM |= Byte;
-			break;
-		  case 0x2182:
-			PPU.WRAM &= 0x100FF;
-			PPU.WRAM |= Byte << 8;
-			break;
-		  case 0x2183:
-			PPU.WRAM &= 0x0FFFF;
-			PPU.WRAM |= Byte << 16;
-			PPU.WRAM &= 0x1FFFF;
-			break;
-		}
-	}
-	else
-	{
-		if (Settings.SA1)
-		{
-			if (Address >= 0x2200 && Address <0x23ff)
-				S9xSetSA1 (Byte, Address);
-			else
-				Memory.FillRAM [Address] = Byte;
-
-			return;
-		}
-		else
-			// Dai Kaijyu Monogatari II
-			if (Address == 0x2801 && Settings.SRTC)
-				S9xSetSRTC (Byte, Address);
-			else
-            if (Address >= 0x3000 && Address < 0x3300)
-				{
-					if (!Settings.SuperFX)
-					{
-						return;
-					}
-
-#ifdef ZSNES_FX
-					Memory.FillRAM [Address] = Byte;
-					if (Address < 0x3040)
-						S9xSuperFXWriteReg (Byte, Address);
-#else
-					switch (Address)
-					{
-					  case 0x3030:
-						if ((Memory.FillRAM [0x3030] ^ Byte) & FLG_G)
-						{
-							Memory.FillRAM [Address] = Byte;
-							// Go flag has been changed
-							if (Byte & FLG_G)
-								S9xSuperFXExec ();
-							else
-								FxFlushCache ();
-						}
-						else
-							Memory.FillRAM [Address] = Byte;
-						break;
-
-					  case 0x3031:
-					  case 0x3033:
-					  case 0x3037:
-					  case 0x3039:
-					  case 0x303a:
-					  case 0x303f:
-						Memory.FillRAM [Address] = Byte;
-						break;
-					  case 0x3034:
-					  case 0x3036:
-						Memory.FillRAM [Address] = Byte & 0x7f;
-						break;
-					  case 0x3038:
-						Memory.FillRAM [Address] = Byte;
-						fx_dirtySCBR();
-						break;
-					  case 0x303b:
-						break;
-					  case 0x303c:
-						Memory.FillRAM [Address] = Byte;
-						fx_updateRamBank(Byte);
-						break;
-					  case 0x301f:
-						Memory.FillRAM [Address] = Byte;
-						Memory.FillRAM [0x3000 + GSU_SFR] |= FLG_G;
-						S9xSuperFXExec ();
-						return;
-
-					  default:
-						Memory.FillRAM[Address] = Byte;
-						if (Address >= 0x3100)
-						{
-							FxCacheWriteAccess (Address);
-						}
-						break;
-					}
-#endif
-					return;
-				}
-	}
-	Memory.FillRAM[Address] = Byte;
-
-}
-
-/******************************************************************************/
-/* S9xGetPPU()                                                                */
-/* This function retrieves a PPU Register                                     */
-/******************************************************************************/
-uint8 S9xGetPPU (uint16 Address)
-{
- 	uint8 byte = OpenBus;
-	if(Address<0x2100)//not a real PPU reg
-		return OpenBus; //treat as unmapped memory returning last byte on the bus
-    if (Address <= 0x2190)
-    {
- 	switch (Address)
-  	{
-  	case 0x2100:
-  	case 0x2101:
-  	case 0x2102:
-    case 0x2103:
-		return OpenBus;
-
-	case 0x2104:
-	case 0x2105:
-	case 0x2106:
-	case 0x2108:
-	case 0x2109:
-	case 0x210a:
-	case 0x2115:
-	case 0x2116:
-	case 0x2118:
-	case 0x2119:
-	case 0x211a:
-	case 0x2124:
-	case 0x2125:
-	case 0x2126:
-	case 0x2128:
-	case 0x2129:
-	case 0x212a:
-		return PPU.OpenBus1;
-
-	case 0x2107:
-	case 0x2117:
-	case 0x2121:
-	case 0x2122:
-	case 0x2123:
-	case 0x2127:
-	case 0x212b:
-	case 0x212c:
-	case 0x212d:
-	case 0x212e:
-	case 0x212f:
-	case 0x2130:
-	case 0x2131:
-	case 0x2132:
-	case 0x2133:
-		return OpenBus;
-
-	case 0x210b:
-	case 0x210c:
-	case 0x210d:
-	case 0x210e:
-	case 0x210f:
-	case 0x2110:
-	case 0x2111:
-	case 0x2112:
-	case 0x2113:
-		return OpenBus;
-
-	case 0x2114:
-	case 0x211b:
-	case 0x211c:
-	case 0x211d:
-	case 0x211e:
-	case 0x211f:
-	case 0x2120:
-		return OpenBus;
-
-
-	case 0x2134:
-	case 0x2135:
-	case 0x2136:
-	    // 16bit x 8bit multiply read result.
-	    if (PPU.Need16x8Mulitply)
-	    {
-		int32 r = (int32) PPU.MatrixA * (int32) (PPU.MatrixB >> 8);
-
-		Memory.FillRAM[0x2134] = (uint8) r;
-		Memory.FillRAM[0x2135] = (uint8)(r >> 8);
-		Memory.FillRAM[0x2136] = (uint8)(r >> 16);
-		PPU.Need16x8Mulitply = FALSE;
-	    }
-		return (PPU.OpenBus1 = Memory.FillRAM[Address]);
-	case 0x2137:
-		S9xLatchCounters(0);
-		return OpenBus;
-
-	case 0x2138:
-		// Read OAM (sprite) control data
-		if(PPU.OAMAddr&0x100){
-			if (!(PPU.OAMFlip&1))
-			{
-				byte = PPU.OAMData [(PPU.OAMAddr&0x10f) << 1];
-			}
-			else
-			{
-				byte = PPU.OAMData [((PPU.OAMAddr&0x10f) << 1) + 1];
-				PPU.OAMAddr=(PPU.OAMAddr+1)&0x1ff;
-				if (PPU.OAMPriorityRotation && PPU.FirstSprite != (PPU.OAMAddr >> 1))
-				{
-					PPU.FirstSprite = (PPU.OAMAddr&0xFE) >> 1;
-					IPPU.OBJChanged = TRUE;
-				}
-			}
-		} else {
-			if (!(PPU.OAMFlip&1))
-			{
-				byte = PPU.OAMData [PPU.OAMAddr << 1];
-			}
-			else
-			{
-				byte = PPU.OAMData [(PPU.OAMAddr << 1) + 1];
-				++PPU.OAMAddr;
-				if (PPU.OAMPriorityRotation && PPU.FirstSprite != (PPU.OAMAddr >> 1))
-				{
-					PPU.FirstSprite = (PPU.OAMAddr&0xFE) >> 1;
-					IPPU.OBJChanged = TRUE;
-				}
-			}
-		}
-		PPU.OAMFlip ^= 1;
-		return (PPU.OpenBus1 = byte);
-
-	case 0x2139:
-		// Read vram low byte
-#ifdef CORRECT_VRAM_READS
-		byte = IPPU.VRAMReadBuffer & 0xff;
-		if (!PPU.VMA.High)
-		{
-			if (PPU.VMA.FullGraphicCount)
-			{
-				uint32 addr = PPU.VMA.Address;
-				uint32 rem = addr & PPU.VMA.Mask1;
-				uint32 address = (addr & ~PPU.VMA.Mask1) +
-					(rem >> PPU.VMA.Shift) +
-					((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((address << 1) & 0xFFFF));
-			} else
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((PPU.VMA.Address << 1) & 0xffff));
-			PPU.VMA.Address += PPU.VMA.Increment;
-		}
-#else
-		if (IPPU.FirstVRAMRead)
-			byte = Memory.VRAM[(PPU.VMA.Address << 1)&0xFFFF];
-		else
-			if (PPU.VMA.FullGraphicCount)
-			{
-				uint32 addr = PPU.VMA.Address - 1;
-				uint32 rem = addr & PPU.VMA.Mask1;
-				uint32 address = (addr & ~PPU.VMA.Mask1) +
-					(rem >> PPU.VMA.Shift) +
-					((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-				byte = Memory.VRAM [((address << 1) - 2) & 0xFFFF];
-			}
-			else
-				byte = Memory.VRAM[((PPU.VMA.Address << 1) - 2) & 0xffff];
-			
-			if (!PPU.VMA.High)
-			{
-				PPU.VMA.Address += PPU.VMA.Increment;
-				IPPU.FirstVRAMRead = FALSE;
-			}
-#endif
-			PPU.OpenBus1 = byte;
-			break;
-	case 0x213A:
-		// Read vram high byte
-#ifdef CORRECT_VRAM_READS
-		byte = (IPPU.VRAMReadBuffer>>8) & 0xff;
-		if (PPU.VMA.High)
-		{
-			if (PPU.VMA.FullGraphicCount)
-			{
-				uint32 addr = PPU.VMA.Address;
-				uint32 rem = addr & PPU.VMA.Mask1;
-				uint32 address = (addr & ~PPU.VMA.Mask1) +
-					(rem >> PPU.VMA.Shift) +
-					((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((address << 1) & 0xFFFF));
-			} else
-				IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM+((PPU.VMA.Address << 1) & 0xffff));
-			PPU.VMA.Address += PPU.VMA.Increment;
-		}
-#else
-		if (IPPU.FirstVRAMRead)
-			byte = Memory.VRAM[((PPU.VMA.Address << 1) + 1) & 0xffff];
-		else
-			if (PPU.VMA.FullGraphicCount)
-			{
-				uint32 addr = PPU.VMA.Address - 1;
-				uint32 rem = addr & PPU.VMA.Mask1;
-				uint32 address = (addr & ~PPU.VMA.Mask1) +
-					(rem >> PPU.VMA.Shift) +
-					((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-				byte = Memory.VRAM [((address << 1) - 1) & 0xFFFF];
-			}
-			else
-				byte = Memory.VRAM[((PPU.VMA.Address << 1) - 1) & 0xFFFF];
-			if (PPU.VMA.High)
-			{
-				PPU.VMA.Address += PPU.VMA.Increment;
-				IPPU.FirstVRAMRead = FALSE;
-			}
-#endif
-			PPU.OpenBus1 = byte;
-			break;
-
-	case 0x213B:
-	    // Read palette data
-	    if (PPU.CGFLIPRead)
-		byte = PPU.CGDATA [PPU.CGADD++] >> 8;
-	    else
-		byte = PPU.CGDATA [PPU.CGADD] & 0xff;
-
-	    PPU.CGFLIPRead ^= 1;
-	    return (PPU.OpenBus2 = byte);
-	    
-	case 0x213C:
-	    // Horizontal counter value 0-339
-	    if (PPU.HBeamFlip)
-		byte = (PPU.OpenBus2 & 0xfe)
-			| ((PPU.HBeamPosLatched >> 8) & 0x01);
-
-	    else
-		byte = (uint8)PPU.HBeamPosLatched;
-            PPU.OpenBus2 = byte;
-	    PPU.HBeamFlip ^= 1;
-	    break;
-
-	case 0x213D:
-	    // Vertical counter value 0-262
-	    if (PPU.VBeamFlip)
-                byte = (PPU.OpenBus2 & 0xfe)
-			| ((PPU.VBeamPosLatched >> 8) & 0x01);
-	    else
-                byte = (uint8)PPU.VBeamPosLatched;
-            PPU.OpenBus2 = byte;
-	    PPU.VBeamFlip ^= 1;
-	    break;
-
-	case 0x213E:
-	    // PPU time and range over flags
-	    FLUSH_REDRAW ();
-
-	    //so far, 5c77 version is always 1.
-		return (PPU.OpenBus1 = (Model->_5C77 | PPU.RangeTimeOver));
-
-	case 0x213F:
-	    // NTSC/PAL and which field flags
-	    PPU.VBeamFlip = PPU.HBeamFlip = 0;
-            //neviksti found a 2 and a 3 here. SNEeSe uses a 3.
-            //XXX: field flags not emulated
-	    return ((Settings.PAL ? 0x10 : 0) | (Memory.FillRAM[0x213f] & 0xc0)| Model->_5C78) | (~PPU.OpenBus2 & 0x20);
-
-	case 0x2140: case 0x2141: case 0x2142: case 0x2143:
-	case 0x2144: case 0x2145: case 0x2146: case 0x2147:
-	case 0x2148: case 0x2149: case 0x214a: case 0x214b:
-	case 0x214c: case 0x214d: case 0x214e: case 0x214f:
-	case 0x2150: case 0x2151: case 0x2152: case 0x2153:
-	case 0x2154: case 0x2155: case 0x2156: case 0x2157:
-	case 0x2158: case 0x2159: case 0x215a: case 0x215b:
-	case 0x215c: case 0x215d: case 0x215e: case 0x215f:
-	case 0x2160: case 0x2161: case 0x2162: case 0x2163:
-	case 0x2164: case 0x2165: case 0x2166: case 0x2167:
-	case 0x2168: case 0x2169: case 0x216a: case 0x216b:
-	case 0x216c: case 0x216d: case 0x216e: case 0x216f:
-	case 0x2170: case 0x2171: case 0x2172: case 0x2173:
-	case 0x2174: case 0x2175: case 0x2176: case 0x2177:
-	case 0x2178: case 0x2179: case 0x217a: case 0x217b:
-	case 0x217c: case 0x217d: case 0x217e: case 0x217f:
-#ifdef SPCTOOL
-	    return ((uint8) _SPCOutP [Address & 3]);
-#else
-    //	CPU.Flags |= DEBUG_MODE_FLAG;
-#ifdef SPC700_SHUTDOWN	
-	    IAPU.APUExecuting = Settings.APUEnabled;
-	    IAPU.WaitCounter++;
-#endif
-	    if (Settings.APUEnabled)
-	    {
-#ifdef CPU_SHUTDOWN
-//		CPU.WaitAddress = CPU.PCAtOpcodeStart;
-#endif
-		if (SNESGameFixes.APU_OutPorts_ReturnValueFix &&
-		    Address >= 0x2140 && Address <= 0x2143 && !CPU.V_Counter)
-		{
-                    return (uint8)((Address & 1) ? ((rand() & 0xff00) >> 8) : 
-				   (rand() & 0xff));
-		}
-
-		return (APU.OutPorts [Address & 3]);
-	    }
-
-	    switch (Settings.SoundSkipMethod)
-	    {
-	    case 0:
-	    case 1:
-	    case 3:
-		CPU.BranchSkip = TRUE;
-		break;
-	    case 2:
-		break;
-	    }
-	    if ((Address & 3) < 2)
-	    {
-		int r = rand ();
-		if (r & 2)
-		{
-		    if (r & 4)
-			return ((Address & 3) == 1 ? 0xaa : 0xbb);
-		    else
-			return ((r >> 3) & 0xff);
-		}
-	    }
-	    else
-	    {
-		int r = rand ();
-		if (r & 2)
-		    return ((r >> 3) & 0xff);
-	    }
-	    return (Memory.FillRAM[Address]);
-#endif // SPCTOOL
-
-	case 0x2180:
-	    // Read WRAM
-	    byte = Memory.RAM [PPU.WRAM++];
-	    PPU.WRAM &= 0x1FFFF;
-	    break;
-	case 0x2181:
-	case 0x2182:
-	case 0x2183:
-	default:
-		return OpenBus;
-	}
-    }
-    else
-    {
-	if (Settings.SA1)
-	    return (S9xGetSA1 (Address));
-
-	if (Address <= 0x2fff || Address >= 0x3300)
-	{
-	    switch (Address)
-	    {
-	    case 0x21c2:
-			if(Model->_5C77 ==2)
-		        	return (0x20);
-
-			//	fprintf(stderr, "Read from $21c2!\n");
-			return OpenBus;
-	    case 0x21c3:
-			if(Model->_5C77 ==2)
-			        return (0);
-			//	fprintf(stderr, "Read from $21c3!\n");
-			return OpenBus;
-	    case 0x2800:
-		// For Dai Kaijyu Monogatari II
-		if (Settings.SRTC)
-		    return (S9xGetSRTC (Address));
-		/*FALL*/
-			    
-	    default:
-		return OpenBus;
-	    }
-	}
-	
-	if (!Settings.SuperFX)
-		return OpenBus;
-#ifdef ZSNES_FX
-	if (Address < 0x3040)
-	    byte = S9xSuperFXReadReg (Address);
-	else
-	    byte = Memory.FillRAM [Address];
-
-#ifdef CPU_SHUTDOWN
-	if (Address == 0x3030)
-	    CPU.WaitAddress = CPU.PCAtOpcodeStart;
-#endif	
-	if (Address == 0x3031)
-	    CLEAR_IRQ_SOURCE (GSU_IRQ_SOURCE);
-#else
-	byte = Memory.FillRAM [Address];
-
-//if (Address != 0x3030 && Address != 0x3031)
-//printf ("%04x\n", Address);
-#ifdef CPU_SHUTDOWN
-	if (Address == 0x3030)
-	{
-	    CPU.WaitAddress = CPU.PCAtOpcodeStart;
-	}
-	else
-#endif
-	if (Address == 0x3031)
-	{
-	    CLEAR_IRQ_SOURCE (GSU_IRQ_SOURCE);
-	    Memory.FillRAM [0x3031] = byte & 0x7f;
-	}
-	return (byte);
-#endif
-    }
-//    fprintf(stderr, "%03d: %02x from %04x\n", CPU.V_Counter, byte, Address);
-    return (byte);
-}
-
-/******************************************************************************/
-/* S9xSetCPU()                                                                */
-/* This function sets a CPU/DMA Register to a specific byte                   */
-/******************************************************************************/
-void S9xSetCPU (uint8 byte, uint16 Address)
-{
-	int d;
-//	fprintf(stderr, "%03d: %02x to %04x\n", CPU.V_Counter, byte, Address);
-
-	if (Address < 0x4200)
-	{
-		CPU.Cycles += ONE_CYCLE;
-		switch (Address)
-		{
-		  case 0x4016:
-			// S9xReset reading of old-style joypads
-			if ((byte & 1) && !(Memory.FillRAM [Address] & 1))
-			{
-				PPU.Joypad1ButtonReadPos = 0;
-				PPU.Joypad2ButtonReadPos = 0;
-				PPU.Joypad3ButtonReadPos = 0;
-			}
-			break;
-		  case 0x4017:
-			break;
-		  default:
-			break;
-		}
-	}
-	else
-		switch (Address)
-		{
-		  case 0x4200:
-			// NMI, V & H IRQ and joypad reading enable flags
-			if (byte & 0x20)
-			{
-				//if(!SNESGameFixes.umiharakawaseFix && PPU.IRQVBeamPos==262) fprintf(stderr, "PPU.IRQVBeamPos = %d, CPU.V_Counter = %d\n", PPU.IRQVBeamPos, CPU.V_Counter);
-				if (!PPU.VTimerEnabled)
-				{
-					PPU.VTimerEnabled = TRUE;
-					if (PPU.HTimerEnabled)
-						S9xUpdateHTimer ();
-					else
-						if (PPU.IRQVBeamPos == CPU.V_Counter)
-							S9xSetIRQ (PPU_V_BEAM_IRQ_SOURCE);
-				}
-			}
-			else
-			{
-				PPU.VTimerEnabled = FALSE;
-//	    if (SNESGameFixes.umiharakawaseFix)
-//		byte &= ~0x20;
-			}
-
-			if (byte & 0x10)
-			{
-				if (!PPU.HTimerEnabled)
-				{
-					PPU.HTimerEnabled = TRUE;
-					S9xUpdateHTimer ();
-				}
-			}
-			else
-			{
-				// No need to check for HTimer being disabled as the scanline
-				// event trigger code won't trigger an H-IRQ unless its enabled.
-				PPU.HTimerEnabled = FALSE;
-				PPU.HTimerPosition = Settings.H_Max + 1;
-			}
-			if (!Settings.DaffyDuck)
-				CLEAR_IRQ_SOURCE (PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE);
-
-			if ((byte & 0x80) && 
-				!(Memory.FillRAM [0x4200] & 0x80) &&
-				CPU.V_Counter >= PPU.ScreenHeight + FIRST_VISIBLE_LINE &&
-				CPU.V_Counter <= PPU.ScreenHeight + 
-				(SNESGameFixes.alienVSpredetorFix ? 25 : 15) &&   //jyam 15->25 alien vs predetor
-// Panic Bomberman clears the NMI pending flag @ scanline 230 before enabling
-// NMIs again. The NMI routine crashes the CPU if it is called without the NMI
-// pending flag being set...
-				(Memory.FillRAM [0x4210] & 0x80) &&
-				!CPU.NMIActive)
-			{
-				CPU.Flags |= NMI_FLAG;
-				CPU.NMIActive = TRUE;
-				CPU.NMICycleCount = CPU.NMITriggerPoint;
-			}
-			break;
-		  case 0x4201:
-			if((byte&0x80)==0 && (Memory.FillRAM[0x4213]&0x80)==0x80)
-				S9xLatchCounters(1);
-			Memory.FillRAM[0x4201] = Memory.FillRAM[0x4213] = byte;
-			break;
-		  case 0x4202:
-			// Multiplier (for multply)
-			break;
-		  case 0x4203:
-			{
-				// Multiplicand
-				uint32 res = Memory.FillRAM[0x4202] * byte;
-
-#if defined FAST_LSB_WORD_ACCESS || defined FAST_ALIGNED_LSB_WORD_ACCESS
-				// assume malloc'd memory is 2-byte aligned
-				* ((uint16 *) &Memory.FillRAM[0x4216]) = res;
-#else
-				Memory.FillRAM[0x4216] = (uint8) res;
-				Memory.FillRAM[0x4217] = (uint8) (res >> 8);
-#endif
-				break;
-			}
-		  case 0x4204:
-		  case 0x4205:
-			// Low and high muliplier (for divide)
-			break;
-		  case 0x4206:
-			{
-#if defined FAST_LSB_WORD_ACCESS || defined FAST_ALIGNED_LSB_WORD_ACCESS
-				// assume malloc'd memory is 2-byte aligned
-				uint16 a = *((uint16 *) &Memory.FillRAM[0x4204]);
-#else
-				uint16 a = Memory.FillRAM[0x4204] + (Memory.FillRAM[0x4205] << 8);
-#endif
-				uint16 div = byte ? a / byte : 0xffff;
-				uint16 rem = byte ? a % byte : a;
-
-#if defined FAST_LSB_WORD_ACCESS || defined FAST_ALIGNED_LSB_WORD_ACCESS
-				// assume malloc'd memory is 2-byte aligned
-				* ((uint16 *) &Memory.FillRAM[0x4214]) = div;
-				* ((uint16 *) &Memory.FillRAM[0x4216]) = rem;
-#else
-				Memory.FillRAM[0x4214] = (uint8)div;
-				Memory.FillRAM[0x4215] = div >> 8;
-				Memory.FillRAM[0x4216] = (uint8)rem;
-				Memory.FillRAM[0x4217] = rem >> 8;
-#endif
-				break;
-			}
-		  case 0x4207:
-			d = PPU.IRQHBeamPos;
-			PPU.IRQHBeamPos = (PPU.IRQHBeamPos & 0xFF00) | byte;
-
-			if (PPU.HTimerEnabled && PPU.IRQHBeamPos != d)
-				S9xUpdateHTimer ();
-			break;
-
-		  case 0x4208:
-			d = PPU.IRQHBeamPos;
-			PPU.IRQHBeamPos = (PPU.IRQHBeamPos & 0xFF) | ((byte & 1) << 8);
-
-			if (PPU.HTimerEnabled && PPU.IRQHBeamPos != d)
-				S9xUpdateHTimer ();
-
-			break;
-
-		  case 0x4209:
-			d = PPU.IRQVBeamPos;
-			PPU.IRQVBeamPos = (PPU.IRQVBeamPos & 0xFF00) | byte;
-			if (PPU.VTimerEnabled && PPU.IRQVBeamPos != d)
-			{
-				if (PPU.HTimerEnabled)
-					S9xUpdateHTimer ();
-				else
-				{
-					if (PPU.IRQVBeamPos == CPU.V_Counter)
-						S9xSetIRQ (PPU_V_BEAM_IRQ_SOURCE);
-				}
-			}
-			break;
-
-		  case 0x420A:
-			d = PPU.IRQVBeamPos;
-			PPU.IRQVBeamPos = (PPU.IRQVBeamPos & 0xFF) | ((byte & 1) << 8);
-			if (PPU.VTimerEnabled && PPU.IRQVBeamPos != d)
-			{
-				if (PPU.HTimerEnabled)
-					S9xUpdateHTimer ();
-				else
-				{
-					if (PPU.IRQVBeamPos == CPU.V_Counter)
-						S9xSetIRQ (PPU_V_BEAM_IRQ_SOURCE);
-				}
-			}
-			break;
-
-		  case 0x420B:
-			if ((byte & 0x01) != 0)
-				S9xDoDMA (0);
-			if ((byte & 0x02) != 0)
-				S9xDoDMA (1);
-			if ((byte & 0x04) != 0)
-				S9xDoDMA (2);
-			if ((byte & 0x08) != 0)
-				S9xDoDMA (3);
-			if ((byte & 0x10) != 0)
-				S9xDoDMA (4);
-			if ((byte & 0x20) != 0)
-				S9xDoDMA (5);
-			if ((byte & 0x40) != 0)
-				S9xDoDMA (6);
-			if ((byte & 0x80) != 0)
-				S9xDoDMA (7);
-			break;
-		  case 0x420C:
-			if (Settings.DisableHDMA)
-				byte = 0;
-			Memory.FillRAM[0x420c] = byte;
-			IPPU.HDMA = byte;
-			break;
-
-		  case 0x420d:
-			// Cycle speed 0 - 2.68Mhz, 1 - 3.58Mhz (banks 0x80 +)
-			if ((byte & 1) != (Memory.FillRAM [0x420d] & 1))
-			{
-				if (byte & 1)
-				{
-					CPU.FastROMSpeed = ONE_CYCLE;
-				}
-				else CPU.FastROMSpeed = SLOW_ONE_CYCLE;
-
-				Memory.FixROMSpeed ();
-			}
-			break;
-
-		  case 0x420e:
-		  case 0x420f:
-			// --->>> Unknown
-			break;
-		  case 0x4210:
-			// NMI ocurred flag (reset on read or write)
-			Memory.FillRAM[0x4210] = Model->_5A22;
-			return;
-		  case 0x4211:
-			// IRQ ocurred flag (reset on read or write)
-			CLEAR_IRQ_SOURCE (PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE);
-			break;
-		  case 0x4212:
-			// v-blank, h-blank and joypad being scanned flags (read-only)
-			/* fall through */
-		  case 0x4213:
-			// I/O Port (read-only)
-			/* fall through */
-		  case 0x4214:
-		  case 0x4215:
-			// Quotent of divide (read-only)
-			/* fall through */
-		  case 0x4216:
-		  case 0x4217:
-			// Multiply product (read-only)
-			/* fall through */
-		  case 0x4218:
-		  case 0x4219:
-		  case 0x421a:
-		  case 0x421b:
-		  case 0x421c:
-		  case 0x421d:
-		  case 0x421e:
-		  case 0x421f:
-			// Joypad values (read-only)
-			return;
-
-		  case 0x4300:
-		  case 0x4310:
-		  case 0x4320:
-		  case 0x4330:
-		  case 0x4340:
-		  case 0x4350:
-		  case 0x4360:
-		  case 0x4370:
-			d = (Address >> 4) & 0x7;
-			DMA[d].TransferDirection = (byte & 128) != 0 ? 1 : 0;
-			DMA[d].HDMAIndirectAddressing = (byte & 64) != 0 ? 1 : 0;
-			DMA[d].AAddressDecrement = (byte & 16) != 0 ? 1 : 0;
-			DMA[d].AAddressFixed = (byte & 8) != 0 ? 1 : 0;
-			DMA[d].TransferMode = (byte & 7);
-			break;
-
-		  case 0x4301:
-		  case 0x4311:
-		  case 0x4321:
-		  case 0x4331:
-		  case 0x4341:
-		  case 0x4351:
-		  case 0x4361:
-		  case 0x4371:
-			DMA[((Address >> 4) & 0x7)].BAddress = byte;
-			break;
-
-		  case 0x4302:
-		  case 0x4312:
-		  case 0x4322:
-		  case 0x4332:
-		  case 0x4342:
-		  case 0x4352:
-		  case 0x4362:
-		  case 0x4372:
-			d = (Address >> 4) & 0x7;
-			DMA[d].AAddress &= 0xFF00;
-			DMA[d].AAddress |= byte;
-			break;
-
-		  case 0x4303:
-		  case 0x4313:
-		  case 0x4323:
-		  case 0x4333:
-		  case 0x4343:
-		  case 0x4353:
-		  case 0x4363:
-		  case 0x4373:
-			d = (Address >> 4) & 0x7;
-			DMA[d].AAddress &= 0xFF;
-			DMA[d].AAddress |= byte << 8;
-			break;
-
-		  case 0x4304:
-		  case 0x4314:
-		  case 0x4324:
-		  case 0x4334:
-		  case 0x4344:
-		  case 0x4354:
-		  case 0x4364:
-		  case 0x4374:
-			DMA[((Address >> 4) & 0x7)].ABank = byte;
-			HDMAMemPointers[((Address >> 4) & 0x7)]=NULL;
-
-			break;
-
-		  case 0x4305:
-		  case 0x4315:
-		  case 0x4325:
-		  case 0x4335:
-		  case 0x4345:
-		  case 0x4355:
-		  case 0x4365:
-		  case 0x4375:
-			d = (Address >> 4) & 0x7;
-			DMA[d].TransferBytes &= 0xFF00;
-			DMA[d].TransferBytes |= byte;
-			DMA[d].IndirectAddress &= 0xff00;
-			DMA[d].IndirectAddress |= byte;
-			HDMAMemPointers[d]=NULL;
-			break;
-
-		  case 0x4306:
-		  case 0x4316:
-		  case 0x4326:
-		  case 0x4336:
-		  case 0x4346:
-		  case 0x4356:
-		  case 0x4366:
-		  case 0x4376:
-			d = (Address >> 4) & 0x7;
-			DMA[d].TransferBytes &= 0xFF;
-			DMA[d].TransferBytes |= byte << 8;
-			DMA[d].IndirectAddress &= 0xff;
-			DMA[d].IndirectAddress |= byte << 8;
-			HDMAMemPointers[d]=NULL;
-			break;
-
-		  case 0x4307:
-		  case 0x4317:
-		  case 0x4327:
-		  case 0x4337:
-		  case 0x4347:
-		  case 0x4357:
-		  case 0x4367:
-		  case 0x4377:
-			DMA[d = ((Address >> 4) & 0x7)].IndirectBank = byte;
-			HDMAMemPointers[d]=NULL;
-			break;
-
-		  case 0x4308:
-		  case 0x4318:
-		  case 0x4328:
-		  case 0x4338:
-		  case 0x4348:
-		  case 0x4358:
-		  case 0x4368:
-		  case 0x4378:
-			d = (Address >> 4) & 7;
-			DMA[d].Address &= 0xff00;
-			DMA[d].Address |= byte;
-			HDMAMemPointers[d] = NULL;
-			break;
-
-		  case 0x4309:
-		  case 0x4319:
-		  case 0x4329:
-		  case 0x4339:
-		  case 0x4349:
-		  case 0x4359:
-		  case 0x4369:
-		  case 0x4379:
-			d = (Address >> 4) & 0x7;
-			DMA[d].Address &= 0xff;
-			DMA[d].Address |= byte << 8;
-			HDMAMemPointers[d] = NULL;
-			break;
-
-		  case 0x430A:
-		  case 0x431A:
-		  case 0x432A:
-		  case 0x433A:
-		  case 0x434A:
-		  case 0x435A:
-		  case 0x436A:
-		  case 0x437A:
-			d = (Address >> 4) & 0x7;
-			DMA[d].LineCount = byte & 0x7f;
-			DMA[d].Repeat = !(byte & 0x80);
-			break;
-
-		  case 0x430F:
-		  case 0x431F:
-		  case 0x432F:
-		  case 0x433F:
-		  case 0x434F:
-		  case 0x435F:
-		  case 0x436F:
-		  case 0x437F:
-			Address &= ~4; // Convert 43xF to 43xB
-			/* fall through */
-		  case 0x430B:
-		  case 0x431B:
-		  case 0x432B:
-		  case 0x433B:
-		  case 0x434B:
-		  case 0x435B:
-		  case 0x436B:
-		  case 0x437B:
-
-			// Unknown, but they seem to be RAM-ish
-#if 0
-			fprintf(stderr, "Write %02x to %04x!\n", byte, Address);
-#endif
-			break;
-
-			//These registers are used by both the S-DD1 and the SPC7110
-		  case 0x4800:
-		  case 0x4801:
-		  case 0x4802:
-		  case 0x4803:
-			if(Settings.SPC7110)
-				S9xSetSPC7110(byte, Address);
-			//printf ("%02x->%04x\n", byte, Address);
-			break;
-
-		  case 0x4804:
-		  case 0x4805:
-		  case 0x4806:
-		  case 0x4807:
-			//printf ("%02x->%04x\n", byte, Address);
-			if(Settings.SPC7110)
-				S9xSetSPC7110(byte, Address);
-			else S9xSetSDD1MemoryMap (Address - 0x4804, byte & 7);
-			break;
-
-			//these are used by the SPC7110
-		  case 0x4808:
-		  case 0x4809:
-		  case 0x480A:
-		  case 0x480B:
-		  case 0x480C:
-		  case 0x4810:
-		  case 0x4811:
-		  case 0x4812:
-		  case 0x4813:
-		  case 0x4814:
-		  case 0x4815:
-		  case 0x4816:
-		  case 0x4817:
-		  case 0x4818:
-		  case 0x481A:
-		  case 0x4820:
-		  case 0x4821:
-		  case 0x4822:
-		  case 0x4823:
-		  case 0x4824:
-		  case 0x4825:
-		  case 0x4826:
-		  case 0x4827:
-		  case 0x4828:
-		  case 0x4829:
-		  case 0x482A:
-		  case 0x482B:
-		  case 0x482C:
-		  case 0x482D:
-		  case 0x482E:
-		  case 0x482F:
-		  case 0x4830:
-		  case 0x4831:
-		  case 0x4832:
-		  case 0x4833:
-		  case 0x4834:
-		  case 0x4840:
-		  case 0x4841:
-		  case 0x4842:
-			if(Settings.SPC7110)
-			{
-				S9xSetSPC7110(byte, Address);
-				break;
-			}
-
-		  default:
-			break;
-		}
-	Memory.FillRAM [Address] = byte;
-}
-
-/******************************************************************************/
-/* S9xGetCPU()                                                                */
-/* This function retrieves a CPU/DMA Register                                 */
-/******************************************************************************/
-uint8 S9xGetCPU (uint16 Address)
-{
-    uint8 byte;
-//    fprintf(stderr, "read from %04x\n", Address);
-
-    if (Address < 0x4200)
-	{
-		CPU.Cycles += ONE_CYCLE;
-		switch (Address)
-		{
-		  case 0x4016:
-			{
-				if (Memory.FillRAM [0x4016] & 1)
-				{
-					if ((!Settings.SwapJoypads &&
-						 IPPU.Controller == SNES_MOUSE_SWAPPED) ||
-						(Settings.SwapJoypads &&
-						 IPPU.Controller == SNES_MOUSE))
-					{
-						if (++PPU.MouseSpeed [0] > 2)
-							PPU.MouseSpeed [0] = 0;
-					}
-					return (0);
-				}
-
-				int ind = Settings.SwapJoypads ? 1 : 0;
-				byte = IPPU.Joypads[ind] >> (PPU.Joypad1ButtonReadPos ^ 15);
-				PPU.Joypad1ButtonReadPos++;
-				return (byte & 1);
-			}
-		  case 0x4017:
-			{
-				if (Memory.FillRAM [0x4016] & 1)
-				{
-					// MultiPlayer5 adaptor is only allowed to be plugged into port 2
-					switch (IPPU.Controller)
-					{
-					  case SNES_MULTIPLAYER5:
-						return (2);
-					  case SNES_MOUSE_SWAPPED:
-						if (Settings.SwapJoypads && ++PPU.MouseSpeed [0] > 2)
-							PPU.MouseSpeed [0] = 0;
-						break;
-
-					  case SNES_MOUSE:
-						if (!Settings.SwapJoypads && ++PPU.MouseSpeed [0] > 2)
-							PPU.MouseSpeed [0] = 0;
-						break;
-					}
-					return (0x00);
-				}
-
-				int ind = Settings.SwapJoypads ? 0 : 1;
-
-				if (IPPU.Controller == SNES_MULTIPLAYER5)
-				{
-					if (Memory.FillRAM [0x4201] & 0x80)
-					{
-						byte = ((IPPU.Joypads[ind] >> (PPU.Joypad2ButtonReadPos ^ 15)) & 1) |
-							(((IPPU.Joypads[2] >> (PPU.Joypad2ButtonReadPos ^ 15)) & 1) << 1);
-						PPU.Joypad2ButtonReadPos++;
-						return (byte);
-					}
-					else
-					{
-						byte = ((IPPU.Joypads[3] >> (PPU.Joypad3ButtonReadPos ^ 15)) & 1) |
-							(((IPPU.Joypads[4] >> (PPU.Joypad3ButtonReadPos ^ 15)) & 1) << 1);
-						PPU.Joypad3ButtonReadPos++;
-						return (byte);
-					}
-				}
-				else if(IPPU.Controller ==SNES_JUSTIFIER || IPPU.Controller ==SNES_JUSTIFIER_2)
-				{
-					uint8 rv;
-					rv=(1&(justifiers>>in_bit));
-					in_bit++;
-					in_bit%=32;
-					return rv;
-				}
-				return ((IPPU.Joypads[ind] >> (PPU.Joypad2ButtonReadPos++ ^ 15)) & 1);
-			}
-		  default:
-		return OpenBus;
-		}
-//		return (Memory.FillRAM [Address]);
-	}
-    else
-    switch (Address)
-    {
-	  case 0x4200:
-	  case 0x4201:
-	  case 0x4202:
-	  case 0x4203:
-	  case 0x4204:
-	  case 0x4205:
-	  case 0x4206:
-	  case 0x4207:
-	  case 0x4208:
-	  case 0x4209:
-	  case 0x420a:
-	  case 0x420b:
-	  case 0x420c:
-	  case 0x420d:
-	  case 0x420e:
-	  case 0x420f:
-		return OpenBus;
-
-	  case 0x4210:
-#ifdef CPU_SHUTDOWN
-		CPU.WaitAddress = CPU.PCAtOpcodeStart;
-#endif	
-		byte = Memory.FillRAM[0x4210];
-		Memory.FillRAM[0x4210] = Model->_5A22;
-		//SNEeSe returns 2 for 5A22 version.
-		return ((byte&0x80)
-			|(OpenBus&0x70)
-			|Model->_5A22);
-
-	  case 0x4211:
-		byte = (CPU.IRQActive & (PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE)) ? 0x80 : 0;
-		// Super Robot Wars Ex ROM bug requires this.
-		byte |= CPU.Cycles >= Settings.HBlankStart ? 0x40 : 0;
-		CLEAR_IRQ_SOURCE (PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE);
-
-		// Maybe? Register Scan indicated open bus...
-		byte |= OpenBus&0x3f;
-
-		return (byte);
-
-	  case 0x4212:
-		// V-blank, h-blank and joypads being read flags (read-only)
-#ifdef CPU_SHUTDOWN
-		CPU.WaitAddress = CPU.PCAtOpcodeStart;
-#endif
-		return (REGISTER_4212()
-			|(OpenBus&0x3E)
-			);
-
-	  case 0x4213:
-		// I/O port input - returns 0 wherever $4201 is 0, and 1 elsewhere
-		// unless something else pulls it down (i.e. a gun)
-		/* fall through */
-	  case 0x4214:
-	  case 0x4215:
-		// Quotient of divide result
-	  case 0x4216:
-	  case 0x4217:
-		// Multiplcation result (for multiply) or remainder of
-		// divison.
-		/* fall through */
-	  case 0x4218:
-	  case 0x4219:
-	  case 0x421a:
-	  case 0x421b:
-	  case 0x421c:
-	  case 0x421d:
-	  case 0x421e:
-	  case 0x421f:
-		// Joypads 1-4 button and direction state.
-		/* fall through */
-	  case 0x4300:
-	  case 0x4310:
-	  case 0x4320:
-	  case 0x4330:
-	  case 0x4340:
-	  case 0x4350:
-	  case 0x4360:
-	  case 0x4370:
-		// DMA direction, address type, fixed flag,
-		/* fall through */
-	  case 0x4301:
-	  case 0x4311:
-	  case 0x4321:
-	  case 0x4331:
-	  case 0x4341:
-	  case 0x4351:
-	  case 0x4361:
-	  case 0x4371:
-		/* fall through */
-	  case 0x4302:
-	  case 0x4312:
-	  case 0x4322:
-	  case 0x4332:
-	  case 0x4342:
-	  case 0x4352:
-	  case 0x4362:
-	  case 0x4372:
-		/* fall through */
-	  case 0x4303:
-	  case 0x4313:
-	  case 0x4323:
-	  case 0x4333:
-	  case 0x4343:
-	  case 0x4353:
-	  case 0x4363:
-	  case 0x4373:
-		/* fall through */
-	  case 0x4304:
-	  case 0x4314:
-	  case 0x4324:
-	  case 0x4334:
-	  case 0x4344:
-	  case 0x4354:
-	  case 0x4364:
-	  case 0x4374:
-		/* fall through */
-	  case 0x4305:
-	  case 0x4315:
-	  case 0x4325:
-	  case 0x4335:
-	  case 0x4345:
-	  case 0x4355:
-	  case 0x4365:
-	  case 0x4375:
-		/* fall through */
-	  case 0x4306:
-	  case 0x4316:
-	  case 0x4326:
-	  case 0x4336:
-	  case 0x4346:
-	  case 0x4356:
-	  case 0x4366:
-	  case 0x4376:
-		/* fall through */
-	  case 0x4308:
-	  case 0x4318:
-	  case 0x4328:
-	  case 0x4338:
-	  case 0x4348:
-	  case 0x4358:
-	  case 0x4368:
-	  case 0x4378:
-		/* fall through */
-	  case 0x4309:
-	  case 0x4319:
-	  case 0x4329:
-	  case 0x4339:
-	  case 0x4349:
-	  case 0x4359:
-	  case 0x4369:
-	  case 0x4379:
-		return (Memory.FillRAM[Address]);
-
-	  case 0x4307:
-	  case 0x4317:
-	  case 0x4327:
-	  case 0x4337:
-	  case 0x4347:
-	  case 0x4357:
-	  case 0x4367:
-	  case 0x4377:
-		return (DMA[(Address >> 4) & 7].IndirectBank);
-
-	  case 0x430A:
-	  case 0x431A:
-	  case 0x432A:
-	  case 0x433A:
-	  case 0x434A:
-	  case 0x435A:
-	  case 0x436A:
-	  case 0x437A:
-		{
-			int d = (Address & 0x70) >> 4;
-			if (IPPU.HDMA & (1 << d))
-			{
-				return (DMA[d].LineCount);
-			}
-			return (Memory.FillRAM[Address]);
-		}
-
-	  case 0x430F:
-	  case 0x431F:
-	  case 0x432F:
-	  case 0x433F:
-	  case 0x434F:
-	  case 0x435F:
-	  case 0x436F:
-	  case 0x437F:
-		Address &= ~4; // Convert 43xF to 43xB
-		/* fall through */
-	  case 0x430B:
-	  case 0x431B:
-	  case 0x432B:
-	  case 0x433B:
-	  case 0x434B:
-	  case 0x435B:
-	  case 0x436B:
-	  case 0x437B:
-
-		// Unknown, but they seem to be RAM-ish
-		return (Memory.FillRAM[Address]);
-
-    default:
-		if(Address>= 0x4800&&Settings.SPC7110)
-			return S9xGetSPC7110(Address);
-
-		if(Address>=0x4800&&Address<=0x4807&&Settings.SDD1)
-		{
-			return Memory.FillRAM[Address];
-		}
-
-		return OpenBus;
-    }
-//    return (Memory.FillRAM[Address]);
-}
-
-static void CommonPPUReset ()
-{
-	PPU.BGMode = 0;
-	PPU.BG3Priority = 0;
-	PPU.Brightness = 0;
-	PPU.VMA.High = 0;
-	PPU.VMA.Increment = 1;
-	PPU.VMA.Address = 0;
-	PPU.VMA.FullGraphicCount = 0;
-	PPU.VMA.Shift = 0;
-
-	for (uint8 B = 0; B != 4; B++)
-	{
-		PPU.BG[B].SCBase = 0;
-		PPU.BG[B].VOffset = 0;
-		PPU.BG[B].HOffset = 0;
-		PPU.BG[B].BGSize = 0;
-		PPU.BG[B].NameBase = 0;
-		PPU.BG[B].SCSize = 0;
-
-		PPU.ClipCounts[B] = 0;
-		PPU.ClipWindowOverlapLogic [B] = CLIP_OR;
-		PPU.ClipWindow1Enable[B] = FALSE;
-		PPU.ClipWindow2Enable[B] = FALSE;
-		PPU.ClipWindow1Inside[B] = TRUE;
-		PPU.ClipWindow2Inside[B] = TRUE;
-	}
-
-	PPU.ClipCounts[4] = 0;
-	PPU.ClipCounts[5] = 0;
-	PPU.ClipWindowOverlapLogic[4] = PPU.ClipWindowOverlapLogic[5] = CLIP_OR;
-	PPU.ClipWindow1Enable[4] = PPU.ClipWindow1Enable[5] = FALSE;
-	PPU.ClipWindow2Enable[4] = PPU.ClipWindow2Enable[5] = FALSE;
-	PPU.ClipWindow1Inside[4] = PPU.ClipWindow1Inside[5] = TRUE;
-	PPU.ClipWindow2Inside[4] = PPU.ClipWindow2Inside[5] = TRUE;
-
-	PPU.CGFLIP = 0;
-	int c;
-	for (c = 0; c < 256; c++)
-	{
-		IPPU.Red [c] = (c & 7) << 2;
-		IPPU.Green [c] = ((c >> 3) & 7) << 2;
-		IPPU.Blue [c] = ((c >> 6) & 2) << 3;
-		PPU.CGDATA [c] = IPPU.Red [c] | (IPPU.Green [c] << 5) |
-			(IPPU.Blue [c] << 10);
-	}
-
-	PPU.FirstSprite = 0;
-	PPU.LastSprite = 127;
-	for (int Sprite = 0; Sprite < 128; Sprite++)
-	{
-		PPU.OBJ[Sprite].HPos = 0;
-		PPU.OBJ[Sprite].VPos = 0;
-		PPU.OBJ[Sprite].VFlip = 0;
-		PPU.OBJ[Sprite].HFlip = 0;
-		PPU.OBJ[Sprite].Priority = 0;
-		PPU.OBJ[Sprite].Palette = 0;
-		PPU.OBJ[Sprite].Name = 0;
-		PPU.OBJ[Sprite].Size = 0;
-	}
-	PPU.OAMPriorityRotation = 0;
-	PPU.OAMWriteRegister = 0;
-	PPU.RangeTimeOver = 0;
-	PPU.OpenBus1 = 0;
-	PPU.OpenBus2 = 0;
-
-	PPU.OAMFlip = 0;
-	PPU.OAMTileAddress = 0;
-	PPU.OAMAddr = 0;
-	PPU.IRQVBeamPos = 0;
-	PPU.IRQHBeamPos = 0;
-	PPU.VBeamPosLatched = 0;
-	PPU.HBeamPosLatched = 0;
-
-	PPU.HBeamFlip = 0;
-	PPU.VBeamFlip = 0;
-	PPU.HVBeamCounterLatched = 0;
-
-	PPU.MatrixA = PPU.MatrixB = PPU.MatrixC = PPU.MatrixD = 0;
-	PPU.CentreX = PPU.CentreY = 0;
-	PPU.CGADD = 0;
-	PPU.FixedColourRed = PPU.FixedColourGreen = PPU.FixedColourBlue = 0;
-	PPU.SavedOAMAddr = 0;
-	PPU.ScreenHeight = SNES_HEIGHT;
-	PPU.WRAM = 0;
-	PPU.BG_Forced = 0;
-	PPU.ForcedBlanking = TRUE;
-	PPU.OBJThroughMain = FALSE;
-	PPU.OBJThroughSub = FALSE;
-	PPU.OBJSizeSelect = 0;
-	PPU.OBJNameSelect = 0;
-	PPU.OBJNameBase = 0;
-	PPU.OBJAddition = FALSE;
-	PPU.OAMReadFlip = 0;
-	PPU.BGnxOFSbyte = 0;
-	ZeroMemory (PPU.OAMData, 512 + 32);
-
-	PPU.VTimerEnabled = FALSE;
-	PPU.HTimerEnabled = FALSE;
-	PPU.HTimerPosition = Settings.H_Max + 1;
-	PPU.Mosaic = 0;
-	PPU.BGMosaic [0] = PPU.BGMosaic [1] = FALSE;
-	PPU.BGMosaic [2] = PPU.BGMosaic [3] = FALSE;
-	PPU.Mode7HFlip = FALSE;
-	PPU.Mode7VFlip = FALSE;
-	PPU.Mode7Repeat = 0;
-	PPU.Window1Left = 1;
-	PPU.Window1Right = 0;
-	PPU.Window2Left = 1;
-	PPU.Window2Right = 0;
-	PPU.RecomputeClipWindows = TRUE;
-	PPU.CGFLIPRead = 0;
-	PPU.Need16x8Mulitply = FALSE;
-	PPU.MouseSpeed[0] = PPU.MouseSpeed[1] = 0;
-
-	IPPU.ColorsChanged = TRUE;
-	IPPU.HDMA = 0;
-	IPPU.HDMAStarted = FALSE;
-	IPPU.MaxBrightness = 0;
-	IPPU.LatchedBlanking = 0;
-	IPPU.OBJChanged = TRUE;
-	IPPU.RenderThisFrame = TRUE;
-	IPPU.DirectColourMapsNeedRebuild = TRUE;
-	IPPU.FrameCount = 0;
-	IPPU.RenderedFramesCount = 0;
-	IPPU.DisplayedRenderedFrameCount = 0;
-	IPPU.SkippedFrames = 0;
-	IPPU.FrameSkip = 0;
-	ZeroMemory (IPPU.TileCached [TILE_2BIT], MAX_2BIT_TILES);
-	ZeroMemory (IPPU.TileCached [TILE_4BIT], MAX_4BIT_TILES);
-	ZeroMemory (IPPU.TileCached [TILE_8BIT], MAX_8BIT_TILES);
-#ifdef CORRECT_VRAM_READS
-	IPPU.VRAMReadBuffer = 0; // XXX: FIXME: anything better?
-#else
-	IPPU.FirstVRAMRead = FALSE;
-#endif
-	IPPU.Interlace = FALSE;
-	IPPU.InterlaceSprites = FALSE;
-	IPPU.DoubleWidthPixels = FALSE;
-	IPPU.HalfWidthPixels = FALSE;
-	IPPU.DoubleHeightPixels = FALSE;
-	IPPU.RenderedScreenWidth = SNES_WIDTH;
-	IPPU.RenderedScreenHeight = SNES_HEIGHT;
-	IPPU.XB = NULL;
-	for (c = 0; c < 256; c++)
-		IPPU.ScreenColors [c] = c;
-	S9xFixColourBrightness ();
-	IPPU.PreviousLine = IPPU.CurrentLine = 0;
-
-	if (Settings.ControllerOption == 0)
-		IPPU.Controller = SNES_MAX_CONTROLLER_OPTIONS - 1;
-	else
-		IPPU.Controller = Settings.ControllerOption - 1;
-	S9xNextController ();
-
-	for (c = 0; c < 2; c++)
-		memset (&IPPU.Clip [c], 0, sizeof (struct ClipData));
-
-	if (Settings.MouseMaster)
-	{
-		S9xProcessMouse (0);
-		S9xProcessMouse (1);
-	}
-}
-
-void S9xResetPPU ()
-{
-	CommonPPUReset ();
-	PPU.Joypad1ButtonReadPos = 0;
-	PPU.Joypad2ButtonReadPos = 0;
-	PPU.Joypad3ButtonReadPos = 0;
-
-	IPPU.Joypads[0] = IPPU.Joypads[1] = IPPU.Joypads[2] = 0;
-	IPPU.Joypads[3] = IPPU.Joypads[4] = 0;
-	IPPU.SuperScope = 0;
-	IPPU.Mouse[0] = IPPU.Mouse[1] = 0;
-	IPPU.PrevMouseX[0] = IPPU.PrevMouseX[1] = 256 / 2;
-	IPPU.PrevMouseY[0] = IPPU.PrevMouseY[1] = 224 / 2;
-
-	for (int c = 0; c < 0x8000; c += 0x100)
-	{
-		if ( !Settings.SuperFX )
-		{
-			memset (&Memory.FillRAM [c], c >> 8, 0x100);
-		}
-		else if ( (unsigned)c < 0x3000 || (unsigned)c >= 0x3300 )
-		{
-			/* Don't overwrite SFX pvRegisters at 0x3000-0x32FF,
-			 * they were set in FxReset.
-			 */
-			memset (&Memory.FillRAM [c], c >> 8, 0x100);
-		}
-	}
-
-	ZeroMemory (&Memory.FillRAM [0x2100], 0x100);
-	ZeroMemory (&Memory.FillRAM [0x4200], 0x100);
-	ZeroMemory (&Memory.FillRAM [0x4000], 0x100);
-	// For BS Suttehakkun 2...
-	ZeroMemory (&Memory.FillRAM [0x1000], 0x1000);
-
-	Memory.FillRAM[0x4201]=Memory.FillRAM[0x4213]=0xFF;
-}
-
-void S9xSoftResetPPU ()
-{
-	CommonPPUReset ();
-//	PPU.Joypad1ButtonReadPos = 0;
-//	PPU.Joypad2ButtonReadPos = 0;
-//	PPU.Joypad3ButtonReadPos = 0;
-
-//	IPPU.Joypads[0] = IPPU.Joypads[1] = IPPU.Joypads[2] = 0;
-//	IPPU.Joypads[3] = IPPU.Joypads[4] = 0;
-//	IPPU.SuperScope = 0;
-//	IPPU.Mouse[0] = IPPU.Mouse[1] = 0;
-//	IPPU.PrevMouseX[0] = IPPU.PrevMouseX[1] = 256 / 2;
-//	IPPU.PrevMouseY[0] = IPPU.PrevMouseY[1] = 224 / 2;
-
-	for (int c = 0; c < 0x8000; c += 0x100)
-		memset (&Memory.FillRAM [c], c >> 8, 0x100);
-
-	ZeroMemory (&Memory.FillRAM [0x2100], 0x100);
-	ZeroMemory (&Memory.FillRAM [0x4200], 0x100);
-	ZeroMemory (&Memory.FillRAM [0x4000], 0x100);
-	// For BS Suttehakkun 2...
-	ZeroMemory (&Memory.FillRAM [0x1000], 0x1000);
-
-	Memory.FillRAM[0x4201]=Memory.FillRAM[0x4213]=0xFF;
-}
-
-void S9xProcessMouse (int which1)
-{
-    int x, y;
-    uint32 buttons;
-    
-    if ((IPPU.Controller == SNES_MOUSE || IPPU.Controller == SNES_MOUSE_SWAPPED) && S9xReadMousePosition (which1, x, y, buttons))
-    {
-		int delta_x, delta_y;
-#define MOUSE_SIGNATURE 0x1
-		IPPU.Mouse [which1] = MOUSE_SIGNATURE | 
-			      (PPU.MouseSpeed [which1] << 4) |
-		              ((buttons & 1) << 6) | ((buttons & 2) << 6);
-
-	delta_x = x - IPPU.PrevMouseX[which1];
-	delta_y = y - IPPU.PrevMouseY[which1];
-
-	if (delta_x > 63)
-	{
-	    delta_x = 63;
-	    IPPU.PrevMouseX[which1] += 63;
-	}
-	else
-	if (delta_x < -63)
-	{
-	    delta_x = -63;
-	    IPPU.PrevMouseX[which1] -= 63;
-	}
-	else
-	    IPPU.PrevMouseX[which1] = x;
-
-	if (delta_y > 63)
-	{
-	    delta_y = 63;
-	    IPPU.PrevMouseY[which1] += 63;
-	}
-	else
-	if (delta_y < -63)
-	{
-	    delta_y = -63;
-	    IPPU.PrevMouseY[which1] -= 63;
-	}
-	else
-	    IPPU.PrevMouseY[which1] = y;
-
-	if (delta_x < 0)
-	{
-	    delta_x = -delta_x;
-	    IPPU.Mouse [which1] |= (delta_x | 0x80) << 16;
-	}
-	else
-	    IPPU.Mouse [which1] |= delta_x << 16;
-
-	if (delta_y < 0)
-	{
-	    delta_y = -delta_y;
-	    IPPU.Mouse [which1] |= (delta_y | 0x80) << 24;
-	}
-	else
-	    IPPU.Mouse [which1] |= delta_y << 24;
-
-	if (IPPU.Controller == SNES_MOUSE_SWAPPED)
-	    IPPU.Joypads [0] = IPPU.Mouse [which1];
-	else
-	    IPPU.Joypads [1] = IPPU.Mouse [which1];
-    }
-}
-
-void ProcessSuperScope ()
-{
-    int x, y;
-    uint32 buttons;
-
-    if (IPPU.Controller == SNES_SUPERSCOPE &&
-		S9xReadSuperScopePosition (x, y, buttons))
-	{
-#define SUPERSCOPE_SIGNATURE 0x00ff
-		uint32 scope;
-
-		scope = SUPERSCOPE_SIGNATURE | ((buttons & 1) << (7 + 8)) |
-			((buttons & 2) << (5 + 8)) | ((buttons & 4) << (3 + 8)) |
-			((buttons & 8) << (1 + 8));
-		if(Memory.FillRAM[0x4201]&0x80){
-			x+=40;
-			if (x > 295)
-				x = 295;
-			if (x < 40)
-				x = 40;
-			if (y > PPU.ScreenHeight - 1)
-				y = PPU.ScreenHeight - 1;
-			if (y < 0)
-				y = 0;
-
-			PPU.VBeamPosLatched = (uint16) (y + 1);
-			PPU.HBeamPosLatched = (uint16) x;
-			PPU.HVBeamCounterLatched = TRUE;
-			Memory.FillRAM [0x213F] |= 0x40 | Model->_5C78;
-		}
-		IPPU.Joypads [1] = scope;
-	}
-}
-
-void S9xNextController ()
-{
-    switch (IPPU.Controller)
-    {
-	  case SNES_MULTIPLAYER5:
-		IPPU.Controller = SNES_JOYPAD;
-		break;
-	  case SNES_JOYPAD:
-		if (Settings.MouseMaster)
-		{
-			IPPU.Controller = SNES_MOUSE_SWAPPED;
-			break;
-		}
-	  case SNES_MOUSE_SWAPPED:
-		if (Settings.MouseMaster)
-		{
-			IPPU.Controller = SNES_MOUSE;
-			break;
-		}
-	  case SNES_MOUSE:
-		if (Settings.SuperScopeMaster)
-		{
-			IPPU.Controller = SNES_SUPERSCOPE;
-			break;
-		}
-	  case SNES_SUPERSCOPE:
-		if (Settings.JustifierMaster)
-		{
-			IPPU.Controller = SNES_JUSTIFIER;
-			break;
-		}
-	  case SNES_JUSTIFIER:
-		if(Settings.JustifierMaster)
-		{
-			IPPU.Controller=SNES_JUSTIFIER_2;
-			break;
-		}
-	  case SNES_JUSTIFIER_2:
-		if(Settings.MultiPlayer5Master)
-		{
-			IPPU.Controller=SNES_MULTIPLAYER5;
-			break;
-		}
-	  default:
-		IPPU.Controller = SNES_JOYPAD;
-		break;
-    }
-}
-
-void S9xUpdateJustifiers()
-{
-	static bool last_p1;
-	in_bit=0;
-//	static int p1count;
-	justifiers=0xFFFF00AA;
-
-	bool offscreen=JustifierOffscreen();
-
-	JustifierButtons(justifiers);
-//	if(p1count==32)
-//	{
-		last_p1=!last_p1;
-//		p1count=0;
-//	}
-//	p1count++;
-
-	if(!last_p1)
-		justifiers|=0x1000;
-
-	int x,y;
-	uint32 buttons;
-
-	if(Memory.FillRAM[0x4201]&0x80)
-	{
-		
-		S9xReadSuperScopePosition(x,y,buttons);
-		
-		x+=40;
-		if (x > 295)
-			x = 295;
-		if (x < 40)
-			x = 40;
-		if (y > PPU.ScreenHeight - 1)
-			y = PPU.ScreenHeight - 1;
-		if (y < 0)
-			y = 0;
-		
-		if(last_p1)
-		{
-			
-			PPU.HVBeamCounterLatched = FALSE;
-			Memory.FillRAM [0x213F] = Model->_5C78;
-			
-			//process latch as Justifier 2
-			if(Settings.SecondJustifier)
-			{
-				if(IPPU.Controller==SNES_JUSTIFIER_2)
-				{
-					if(!offscreen)
-					{
-						
-						PPU.VBeamPosLatched = (uint16) (y + 1);
-						PPU.HBeamPosLatched = (uint16) x;
-						PPU.HVBeamCounterLatched = TRUE;
-						Memory.FillRAM [0x213F] |= 0x40 | Model->_5C78;
-					}
-				}
-			}
-		}
-		else
-		{
-			
-			PPU.HVBeamCounterLatched = FALSE;
-			Memory.FillRAM [0x213F] = Model->_5C78;
-			
-			//emulate player 1.
-			if(IPPU.Controller==SNES_JUSTIFIER)
-			{
-				if(!offscreen)
-				{
-					PPU.VBeamPosLatched = (uint16) (y + 1);
-					PPU.HBeamPosLatched = (uint16) x;
-					PPU.HVBeamCounterLatched = TRUE;
-					Memory.FillRAM [0x213F] |= 0x40 | Model->_5C78;
-				}
-			}
-		}
-		
-		//needs restructure
-		if(!offscreen)
-		{
-			
-			if((!last_p1&&IPPU.Controller==SNES_JUSTIFIER)||(last_p1&&IPPU.Controller==SNES_JUSTIFIER_2))
-			{
-				PPU.VBeamPosLatched = (uint16) (y + 1);
-				PPU.HBeamPosLatched = (uint16) x;
-				PPU.HVBeamCounterLatched = TRUE;
-				Memory.FillRAM [0x213F] |= 0x40 | Model->_5C78;
-			}
-			else
-			{
-				PPU.HVBeamCounterLatched = FALSE;
-				Memory.FillRAM [0x213F] = Model->_5C78;
-				
-			}
-		}
-		else
-		{
-			PPU.HVBeamCounterLatched = FALSE;
-			Memory.FillRAM [0x213F] = Model->_5C78;
-		}
-	}
-}
-
-void S9xUpdateJoypads ()
-{
-    uint32 i;
-
-	for (i = 0; i < 5; i++)
-	{
-		IPPU.Joypads [i] = S9xReadJoypad (i);
-	}
-
-//	S9xMovieUpdate();
-
-	for (i = 0; i < 5; i++)
-	{
-		if ((IPPU.Joypads [i] & (SNES_LEFT_MASK | SNES_RIGHT_MASK)) == (SNES_LEFT_MASK | SNES_RIGHT_MASK))
-			IPPU.Joypads [i] &= ~SNES_RIGHT_MASK;
-		if ((IPPU.Joypads [i] & (SNES_UP_MASK | SNES_DOWN_MASK)) == (SNES_UP_MASK | SNES_DOWN_MASK))
-			IPPU.Joypads [i] &= ~SNES_DOWN_MASK;
-	}
-	
-    // BJ: This is correct behavior AFAICT (used to be Touhaiden hack)
-    if (IPPU.Controller == SNES_JOYPAD || IPPU.Controller == SNES_MULTIPLAYER5)
-    {
-		for (i = 0; i < 5; i++)
-		{
-			if (IPPU.Joypads [i])
-				IPPU.Joypads [i] |= 0xffff0000;
-		}
-    }
-	
-    // Read mouse position if enabled
-    if (Settings.MouseMaster)
-    {
-		for (i = 0; i < 2; i++)
-			S9xProcessMouse (i);
-    }
-	
-    // Read SuperScope if enabled
-    if (Settings.SuperScopeMaster)
-		ProcessSuperScope ();
-	
-    if (Memory.FillRAM [0x4200] & 1)
-    {
-		PPU.Joypad1ButtonReadPos = 16;
-		if (Memory.FillRAM [0x4201] & 0x80)
-		{
-			PPU.Joypad2ButtonReadPos = 16;
-			PPU.Joypad3ButtonReadPos = 0;
-		}
-		else
-		{
-			PPU.Joypad2ButtonReadPos = 0;
-			PPU.Joypad3ButtonReadPos = 16;
-		}
-		int ind = Settings.SwapJoypads ? 1 : 0;
-		
-		Memory.FillRAM [0x4218] = (uint8) IPPU.Joypads [ind];
-		Memory.FillRAM [0x4219] = (uint8) (IPPU.Joypads [ind] >> 8);
-		Memory.FillRAM [0x421a] = (uint8) IPPU.Joypads [ind ^ 1];
-		Memory.FillRAM [0x421b] = (uint8) (IPPU.Joypads [ind ^ 1] >> 8);
-		if (Memory.FillRAM [0x4201] & 0x80)
-		{
-			Memory.FillRAM [0x421c] = (uint8) IPPU.Joypads [ind];
-			Memory.FillRAM [0x421d] = (uint8) (IPPU.Joypads [ind] >> 8);
-			Memory.FillRAM [0x421e] = (uint8) IPPU.Joypads [2];
-			Memory.FillRAM [0x421f] = (uint8) (IPPU.Joypads [2] >> 8);
-		}
-		else
-		{
-			Memory.FillRAM [0x421c] = (uint8) IPPU.Joypads [3];
-			Memory.FillRAM [0x421d] = (uint8) (IPPU.Joypads [3] >> 8);
-			Memory.FillRAM [0x421e] = (uint8) IPPU.Joypads [4];
-			Memory.FillRAM [0x421f] = (uint8) (IPPU.Joypads [4] >> 8);
-		}
-    }
-	if(Settings.Justifier||Settings.SecondJustifier)
-	{
-		Memory.FillRAM [0x421a] = 0x0E;
-		Memory.FillRAM [0x421b] = 0;
-		S9xUpdateJustifiers();
-	}
- 
-}
-
-#ifndef ZSNES_FX
-void S9xSuperFXExec ()
-{
-#if 1
-    if (Settings.SuperFX)
-    {
-	if ((Memory.FillRAM [0x3000 + GSU_SFR] & FLG_G) &&
-	    (Memory.FillRAM [0x3000 + GSU_SCMR] & 0x18) == 0x18)
-	{
-	    if (!Settings.WinterGold||Settings.StarfoxHack)
-		FxEmulate (~0);
-	    else
-		FxEmulate ((Memory.FillRAM [0x3000 + GSU_CLSR] & 1) ? 700 : 350);
-	    int GSUStatus = Memory.FillRAM [0x3000 + GSU_SFR] |
-			    (Memory.FillRAM [0x3000 + GSU_SFR + 1] << 8);
-	    if ((GSUStatus & (FLG_G | FLG_IRQ)) == FLG_IRQ)
-	    {
-		// Trigger a GSU IRQ.
-		S9xSetIRQ (GSU_IRQ_SOURCE);
-	    }
-	}
-    }
-#else
-    uint32 tmp =  (Memory.FillRAM[0x3034] << 16) + *(uint16 *) &Memory.FillRAM [0x301e];
-
-#if 0
-    if (tmp == 0x018428)
-    {
-	*(uint16 *) &SRAM [0x0064] = 0xbc00;
-	*(uint16 *) &SRAM [0x002c] = 0x8000;
-    }
-#endif
-    if (tmp == -1)//0x018428) //0x01bfc3) //0x09edaf) //-1) //0x57edaf)
-    {
-	while (Memory.FillRAM [0x3030] & 0x20)
-	{
-	    int i;
-	    int32 vError;
-	    uint8 avReg[0x40];
-	    char tmp[128];
-	    uint8 vPipe;
-	    uint8 vColr;
-	    uint8 vPor;
-
-	    FxPipeString (tmp);
-	    /* Make the string 32 chars long */
-	    if(strlen(tmp) < 32) { memset(&tmp[strlen(tmp)],' ',32-strlen(tmp)); tmp[32] = 0; }
-
-	    /* Copy registers (so we can see if any changed) */
-	    vColr = FxGetColorRegister();
-	    vPor = FxGetPlotOptionRegister();
-	    memcpy(avReg,SuperFX.pvRegisters,0x40);
-
-	    /* Print the pipe string */
-	    printf(tmp);
-
-	    /* Execute the instruction in the pipe */
-	    vPipe = FxPipe();
-	    vError = FxEmulate(1);
-
-	    /* Check if any registers changed (and print them if they did) */
-	    for(i=0; i<16; i++)
-	    {
-		uint32 a = 0;
-		uint32 r1 = ((uint32)avReg[i*2]) | (((uint32)avReg[(i*2)+1])<<8);
-		uint32 r2 = (uint32)(SuperFX.pvRegisters[i*2]) | (((uint32)SuperFX.pvRegisters[(i*2)+1])<<8);
-		if(i==15)
-		    a = OPCODE_BYTES(vPipe);
-		if(((r1+a)&0xffff) != r2)
-		    printf(" r%d=$%04x",i,r2);
-	    }
-	    {
-		/* Check SFR */
-		uint32 r1 = ((uint32)avReg[0x30]) | (((uint32)avReg[0x31])<<8);
-		uint32 r2 = (uint32)(SuperFX.pvRegisters[0x30]) | (((uint32)SuperFX.pvRegisters[0x31])<<8);
-		if((r1&(1<<1)) != (r2&(1<<1)))
-		    printf(" Z=%d",(uint32)(!!(r2&(1<<1))));
-		if((r1&(1<<2)) != (r2&(1<<2)))
-		    printf(" CY=%d",(uint32)(!!(r2&(1<<2))));
-		if((r1&(1<<3)) != (r2&(1<<3)))
-		    printf(" S=%d",(uint32)(!!(r2&(1<<3))));
-		if((r1&(1<<4)) != (r2&(1<<4)))
-		    printf(" OV=%d",(uint32)(!!(r2&(1<<4))));
-		if((r1&(1<<5)) != (r2&(1<<5)))
-		    printf(" G=%d",(uint32)(!!(r2&(1<<5))));
-		if((r1&(1<<6)) != (r2&(1<<6)))
-		    printf(" R=%d",(uint32)(!!(r2&(1<<6))));
-		if((r1&(1<<8)) != (r2&(1<<8)))
-		    printf(" ALT1=%d",(uint32)(!!(r2&(1<<8))));
-		if((r1&(1<<9)) != (r2&(1<<9)))
-		    printf(" ALT2=%d",(uint32)(!!(r2&(1<<9))));
-		if((r1&(1<<10)) != (r2&(1<<10)))
-		    printf(" IL=%d",(uint32)(!!(r2&(1<<10))));
-		if((r1&(1<<11)) != (r2&(1<<11)))
-		    printf(" IH=%d",(uint32)(!!(r2&(1<<11))));
-		if((r1&(1<<12)) != (r2&(1<<12)))
-		    printf(" B=%d",(uint32)(!!(r2&(1<<12))));
-		if((r1&(1<<15)) != (r2&(1<<15)))
-		    printf(" IRQ=%d",(uint32)(!!(r2&(1<<15))));
-	    }
-	    {
-		/* Check PBR */
-		uint32 r1 = ((uint32)avReg[0x34]);
-		uint32 r2 = (uint32)(SuperFX.pvRegisters[0x34]);
-		if(r1 != r2)
-		    printf(" PBR=$%02x",r2);
-	    }
-	    {
-		/* Check ROMBR */
-		uint32 r1 = ((uint32)avReg[0x36]);
-		uint32 r2 = (uint32)(SuperFX.pvRegisters[0x36]);
-		if(r1 != r2)
-		    printf(" ROMBR=$%02x",r2);
-	    }
-	    {
-		/* Check RAMBR */
-		uint32 r1 = ((uint32)avReg[0x3c]);
-		uint32 r2 = (uint32)(SuperFX.pvRegisters[0x3c]);
-		if(r1 != r2)
-		    printf(" RAMBR=$%02x",r2);
-	    }
-	    {
-		/* Check CBR */
-		uint32 r1 = ((uint32)avReg[0x3e]) | (((uint32)avReg[0x3f])<<8);
-		uint32 r2 = (uint32)(SuperFX.pvRegisters[0x3e]) | (((uint32)SuperFX.pvRegisters[0x3f])<<8);
-		if(r1 != r2)
-		    printf(" CBR=$%04x",r2);
-	    }
-	    {
-		/* Check COLR */
-		if(vColr != FxGetColorRegister())
-		    printf(" COLR=$%02x",FxGetColorRegister());
-	    }
-	    {
-		/* Check POR */
-		if(vPor != FxGetPlotOptionRegister())
-		    printf(" POR=$%02x",FxGetPlotOptionRegister());
-	    }
-	    printf ("\n");
-	}
-	S9xExit ();
-    }
-    else
-    {
-	uint32 t = (Memory.FillRAM [0x3034] << 16) +
-		   (Memory.FillRAM [0x301f] << 8) +
-		   (Memory.FillRAM [0x301e] << 0);
-
-printf ("%06x: %d\n", t, FxEmulate (2000000));
-//	FxEmulate (2000000);
-    }
-#if 0
-    if (!(CPU.Flags & TRACE_FLAG))
-    {
-	static int z = 1;
-	if (z == 0)
-	{
-	    extern FILE *trace;
-	    CPU.Flags |= TRACE_FLAG;
-	    trace = fopen ("trace.log", "wb");
-	}
-	else
-	z--;
-    }
-#endif
-    Memory.FillRAM [0x3030] &= ~0x20;
-    if (Memory.FillRAM [0x3031] & 0x80)
-    {
-	S9xSetIRQ (GSU_IRQ_SOURCE);
-    }
-#endif
-}
-#endif
-
-// Register reads and writes...
-
-uint8 REGISTER_4212()
-{
-    uint8 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 ? */
-
-    return (GetBank);
-}
-
-void FLUSH_REDRAW ()
-{
-    if (IPPU.PreviousLine != IPPU.CurrentLine)
-    S9xUpdateScreen ();
-}
-
-void REGISTER_2104 (uint8 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 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 ();
-            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;
-        }
-    }
-
-    Memory.FillRAM [0x2104] = byte;
-}
-
-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)
-    {
-    PPU.VMA.Address += PPU.VMA.Increment;
-    }
-//    Memory.FillRAM [0x2118] = Byte;
-}
-
-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;
-}
-
-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;
-}
-
-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)
-    {
-    PPU.VMA.Address += PPU.VMA.Increment;
-    }
-//    Memory.FillRAM [0x2119] = Byte;
-}
-
-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;
-}
-
-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;
-}
-
-void REGISTER_2122(uint8 Byte)
-{
-    // CG-RAM (palette) write
-
-    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) BUILD_PIXEL (IPPU.Red [PPU.CGADD],
-		                         IPPU.Green [PPU.CGADD],
-		                         IPPU.Blue [PPU.CGADD]);
-    }
-    PPU.CGADD++;
-    }
-    else
-    {
-    if (Byte != (uint8) (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) BUILD_PIXEL (IPPU.Red [PPU.CGADD],
-		                         IPPU.Green [PPU.CGADD],
-		                         IPPU.Blue [PPU.CGADD]);
-    }
-    }
-    PPU.CGFLIP ^= 1;
-//    Memory.FillRAM [0x2122] = Byte;
-}
-
-void REGISTER_2180(uint8 Byte)
-{
-    Memory.RAM[PPU.WRAM++] = Byte;
-    PPU.WRAM &= 0x1FFFF;
-    Memory.FillRAM [0x2180] = Byte;
-}