move/delete some unused files.

1 files changed, 405 insertions, 0 deletions

diff --git a/old/clip.cpp.new b/old/clip.cpp.new
new file mode 100644
index 0000000..8e6baa3
--- /dev/null
+++ b/old/clip.cpp.new
@@ -0,0 +1,405 @@
+/***********************************************************************************
+  Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
+
+  (c) Copyright 1996 - 2002  Gary Henderson (gary.henderson@ntlworld.com),
+                             Jerremy Koot (jkoot@snes9x.com)
+
+  (c) Copyright 2002 - 2004  Matthew Kendora
+
+  (c) Copyright 2002 - 2005  Peter Bortas (peter@bortas.org)
+
+  (c) Copyright 2004 - 2005  Joel Yliluoma (http://iki.fi/bisqwit/)
+
+  (c) Copyright 2001 - 2006  John Weidman (jweidman@slip.net)
+
+  (c) Copyright 2002 - 2006  funkyass (funkyass@spam.shaw.ca),
+                             Kris Bleakley (codeviolation@hotmail.com)
+
+  (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
+                             Nach (n-a-c-h@users.sourceforge.net),
+                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2006 - 2007  nitsuja
+
+  (c) Copyright 2009 - 2010  BearOso,
+                             OV2
+
+
+  BS-X C emulator code
+  (c) Copyright 2005 - 2006  Dreamer Nom,
+                             zones
+
+  C4 x86 assembler and some C emulation code
+  (c) Copyright 2000 - 2003  _Demo_ (_demo_@zsnes.com),
+                             Nach,
+                             zsKnight (zsknight@zsnes.com)
+
+  C4 C++ code
+  (c) Copyright 2003 - 2006  Brad Jorsch,
+                             Nach
+
+  DSP-1 emulator code
+  (c) Copyright 1998 - 2006  _Demo_,
+                             Andreas Naive (andreasnaive@gmail.com),
+                             Gary Henderson,
+                             Ivar (ivar@snes9x.com),
+                             John Weidman,
+                             Kris Bleakley,
+                             Matthew Kendora,
+                             Nach,
+                             neviksti (neviksti@hotmail.com)
+
+  DSP-2 emulator code
+  (c) Copyright 2003         John Weidman,
+                             Kris Bleakley,
+                             Lord Nightmare (lord_nightmare@users.sourceforge.net),
+                             Matthew Kendora,
+                             neviksti
+
+  DSP-3 emulator code
+  (c) Copyright 2003 - 2006  John Weidman,
+                             Kris Bleakley,
+                             Lancer,
+                             z80 gaiden
+
+  DSP-4 emulator code
+  (c) Copyright 2004 - 2006  Dreamer Nom,
+                             John Weidman,
+                             Kris Bleakley,
+                             Nach,
+                             z80 gaiden
+
+  OBC1 emulator code
+  (c) Copyright 2001 - 2004  zsKnight,
+                             pagefault (pagefault@zsnes.com),
+                             Kris Bleakley
+                             Ported from x86 assembler to C by sanmaiwashi
+
+  SPC7110 and RTC C++ emulator code used in 1.39-1.51
+  (c) Copyright 2002         Matthew Kendora with research by
+                             zsKnight,
+                             John Weidman,
+                             Dark Force
+
+  SPC7110 and RTC C++ emulator code used in 1.52+
+  (c) Copyright 2009         byuu,
+                             neviksti
+
+  S-DD1 C emulator code
+  (c) Copyright 2003         Brad Jorsch with research by
+                             Andreas Naive,
+                             John Weidman
+
+  S-RTC C emulator code
+  (c) Copyright 2001 - 2006  byuu,
+                             John Weidman
+
+  ST010 C++ emulator code
+  (c) Copyright 2003         Feather,
+                             John Weidman,
+                             Kris Bleakley,
+                             Matthew Kendora
+
+  Super FX x86 assembler emulator code
+  (c) Copyright 1998 - 2003  _Demo_,
+                             pagefault,
+                             zsKnight
+
+  Super FX C emulator code
+  (c) Copyright 1997 - 1999  Ivar,
+                             Gary Henderson,
+                             John Weidman
+
+  Sound emulator code used in 1.5-1.51
+  (c) Copyright 1998 - 2003  Brad Martin
+  (c) Copyright 1998 - 2006  Charles Bilyue'
+
+  Sound emulator code used in 1.52+
+  (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
+
+  SH assembler code partly based on x86 assembler code
+  (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
+
+  2xSaI filter
+  (c) Copyright 1999 - 2001  Derek Liauw Kie Fa
+
+  HQ2x, HQ3x, HQ4x filters
+  (c) Copyright 2003         Maxim Stepin (maxim@hiend3d.com)
+
+  NTSC filter
+  (c) Copyright 2006 - 2007  Shay Green
+
+  GTK+ GUI code
+  (c) Copyright 2004 - 2010  BearOso
+
+  Win32 GUI code
+  (c) Copyright 2003 - 2006  blip,
+                             funkyass,
+                             Matthew Kendora,
+                             Nach,
+                             nitsuja
+  (c) Copyright 2009 - 2010  OV2
+
+  Mac OS GUI code
+  (c) Copyright 1998 - 2001  John Stiles
+  (c) Copyright 2001 - 2010  zones
+
+
+  Specific ports contains the works of other authors. See headers in
+  individual files.
+
+
+  Snes9x homepage: http://www.snes9x.com/
+
+  Permission to use, copy, modify and/or distribute Snes9x in both binary
+  and source form, for non-commercial purposes, is hereby granted without
+  fee, providing that this license information and copyright notice appear
+  with all copies and any derived work.
+
+  This software is provided 'as-is', without any express or implied
+  warranty. In no event shall the authors be held liable for any damages
+  arising from the use of this software or it's derivatives.
+
+  Snes9x is freeware for PERSONAL USE only. Commercial users should
+  seek permission of the copyright holders first. Commercial use includes,
+  but is not limited to, charging money for Snes9x or software derived from
+  Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
+  using Snes9x as a promotion for your commercial product.
+
+  The copyright holders request that bug fixes and improvements to the code
+  should be forwarded to them so everyone can benefit from the modifications
+  in future versions.
+
+  Super NES and Super Nintendo Entertainment System are trademarks of
+  Nintendo Co., Limited and its subsidiary companies.
+ ***********************************************************************************/
+
+
+#include "snes9x.h"
+#include "memmap.h"
+
+static uint8	region_map[6][6] =
+{
+	{ 0, 0x01, 0x03, 0x07, 0x0f, 0x1f },
+	{ 0,    0, 0x02, 0x06, 0x0e, 0x1e },
+	{ 0,    0,    0, 0x04, 0x0c, 0x1c },
+	{ 0,    0,    0,    0, 0x08, 0x18 },
+	{ 0,    0,    0,    0,    0, 0x10 }
+};
+
+static inline uint8 CalcWindowMask (int, uint8, uint8);
+static inline void StoreWindowRegions (uint8, struct ClipData *, int, int16 *, uint8 *, bool8, bool8 s = FALSE);
+
+
+static inline uint8 CalcWindowMask (int i, uint8 W1, uint8 W2)
+{
+	if (!PPU.ClipWindow1Enable[i])
+	{
+		if (!PPU.ClipWindow2Enable[i])
+			return (0);
+		else
+		{
+			if (!PPU.ClipWindow2Inside[i])
+				return (~W2);
+			return (W2);
+		}
+	}
+	else
+	{
+		if (!PPU.ClipWindow2Enable[i])
+		{
+			if (!PPU.ClipWindow1Inside[i])
+				return (~W1);
+			return (W1);
+		}
+		else
+		{
+			if (!PPU.ClipWindow1Inside[i])
+				W1 = ~W1;
+			if (!PPU.ClipWindow2Inside[i])
+				W2 = ~W2;
+
+			switch (PPU.ClipWindowOverlapLogic[i])
+			{
+				case 0: // OR
+					return (W1 | W2);
+
+				case 1: // AND
+					return (W1 & W2);
+
+				case 2: // XOR
+					return (W1 ^ W2);
+
+				case 3: // XNOR
+					return (~(W1 ^ W2));
+			}
+		}
+	}
+
+	// Never get here
+	return (0);
+}
+
+static inline void StoreWindowRegions (uint8 Mask, struct ClipData *Clip, int n_regions, int16 *windows, uint8 *drawing_modes, bool8 sub, bool8 StoreMode0)
+{
+	int	ct = 0;
+
+	for (int j = 0; j < n_regions; j++)
+	{
+		int	DrawMode = drawing_modes[j];
+		if (sub)
+			DrawMode |= 1;
+		if (Mask & (1 << j))
+			DrawMode = 0;
+
+		if (!StoreMode0 && !DrawMode)
+			continue;
+
+		if (ct > 0 && Clip->Right[ct - 1] == windows[j] && Clip->DrawMode[ct - 1] == DrawMode)
+			Clip->Right[ct - 1] = windows[j + 1]; // This region borders with and has the same drawing mode as the previous region: merge them.
+		else
+		{
+			// Add a new region to the BG
+			Clip->Left[ct]     = windows[j];
+			Clip->Right[ct]    = windows[j + 1];
+			Clip->DrawMode[ct] = DrawMode;
+			ct++;
+		}
+	}
+
+	Clip->Count = ct;
+}
+
+void S9xComputeClipWindows (void)
+{
+	int16	windows[6] = { 0, 256, 256, 256, 256, 256 };
+	uint8	drawing_modes[5] = { 0, 0, 0, 0, 0 };
+	int		n_regions = 1;
+	int		i, j;
+
+	// Calculate window regions. We have at most 5 regions, because we have 6 control points
+	// (screen edges, window 1 left & right, and window 2 left & right).
+
+	if (PPU.Window1Left <= PPU.Window1Right)
+	{
+		if (PPU.Window1Left > 0)
+		{
+			windows[2] = 256;
+			windows[1] = PPU.Window1Left;
+			n_regions = 2;
+		}
+
+		if (PPU.Window1Right < 255)
+		{
+			windows[n_regions + 1] = 256;
+			windows[n_regions] = PPU.Window1Right + 1;
+			n_regions++;
+		}
+	}
+
+	if (PPU.Window2Left <= PPU.Window2Right)
+	{
+		for (i = 0; i <= n_regions; i++)
+		{
+			if (PPU.Window2Left == windows[i])
+				break;
+
+			if (PPU.Window2Left <  windows[i])
+			{
+				for (j = n_regions; j >= i; j--)
+					windows[j + 1] = windows[j];
+
+				windows[i] = PPU.Window2Left;
+				n_regions++;
+				break;
+			}
+		}
+
+		for (; i <= n_regions; i++)
+		{
+			if (PPU.Window2Right + 1 == windows[i])
+				break;
+
+			if (PPU.Window2Right + 1 <  windows[i])
+			{
+				for (j = n_regions; j >= i; j--)
+					windows[j + 1] = windows[j];
+
+				windows[i] = PPU.Window2Right + 1;
+				n_regions++;
+				break;
+			}
+		}
+	}
+
+	// Get a bitmap of which regions correspond to each window.
+
+	uint8	W1, W2;
+
+	if (PPU.Window1Left <= PPU.Window1Right)
+	{
+		for (i = 0; windows[i] != PPU.Window1Left; i++) ;
+		for (j = i; windows[j] != PPU.Window1Right + 1; j++) ;
+		W1 = region_map[i][j];
+	}
+	else
+		W1 = 0;
+
+	if (PPU.Window2Left <= PPU.Window2Right)
+	{
+		for (i = 0; windows[i] != PPU.Window2Left; i++) ;
+		for (j = i; windows[j] != PPU.Window2Right + 1; j++) ;
+		W2 = region_map[i][j];
+	}
+	else
+		W2 = 0;
+
+	// Color Window affects the drawing mode for each region.
+	// Modes are: 3=Draw as normal, 2=clip color (math only), 1=no math (draw only), 0=nothing.
+
+	uint8	CW_color = 0, CW_math = 0;
+	uint8	CW = CalcWindowMask(5, W1, W2);
+
+	switch (Memory.FillRAM[0x2130] & 0xc0)
+	{
+		case 0x00:	CW_color = 0;		break;
+		case 0x40:	CW_color = ~CW;		break;
+		case 0x80:	CW_color = CW;		break;
+		case 0xc0:	CW_color = 0xff;	break;
+	}
+
+	switch (Memory.FillRAM[0x2130] & 0x30)
+	{
+		case 0x00:	CW_math  = 0;		break;
+		case 0x10:	CW_math  = ~CW;		break;
+		case 0x20:	CW_math  = CW;		break;
+		case 0x30:	CW_math  = 0xff;	break;
+	}
+
+	for (i = 0; i < n_regions; i++)
+	{
+		if (!(CW_color & (1 << i)))
+			drawing_modes[i] |= 1;
+		if (!(CW_math  & (1 << i)))
+			drawing_modes[i] |= 2;
+	}
+
+	// Store backdrop clip window (draw everywhere color window allows)
+
+	StoreWindowRegions(0, &IPPU.Clip[0][5], n_regions, windows, drawing_modes, FALSE, TRUE);
+	StoreWindowRegions(0, &IPPU.Clip[1][5], n_regions, windows, drawing_modes, TRUE,  TRUE);
+
+	// Store per-BG and OBJ clip windows
+
+	for (j = 0; j < 5; j++)
+	{
+		uint8	W = Settings.DisableGraphicWindows ? 0 : CalcWindowMask(j, W1, W2);
+		for (int sub = 0; sub < 2; sub++)
+		{
+			if (Memory.FillRAM[sub + 0x212e] & (1 << j))
+				StoreWindowRegions(W, &IPPU.Clip[sub][j], n_regions, windows, drawing_modes, sub);
+			else
+				StoreWindowRegions(0, &IPPU.Clip[sub][j], n_regions, windows, drawing_modes, sub);
+		}
+	}
+}