first commit

1 files changed, 322 insertions, 0 deletions

diff --git a/source/pixform.h b/source/pixform.h
new file mode 100644
index 0000000..45cf651
--- /dev/null
+++ b/source/pixform.h
@@ -0,0 +1,322 @@
+/*******************************************************************************
+  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.
+*******************************************************************************/
+
+#ifndef _PIXFORM_H_
+#define _PIXFORM_H_
+
+#ifdef GFX_MULTI_FORMAT
+
+enum { RGB565, RGB555, BGR565, BGR555, GBR565, GBR555, RGB5551 };
+
+#define BUILD_PIXEL(R,G,B) ((*GFX.BuildPixel) (R, G, B))
+#define BUILD_PIXEL2(R,G,B) ((*GFX.BuildPixel2) (R, G, B))
+#define DECOMPOSE_PIXEL(Pixel,R,G,B) ((*GFX.DecomposePixel) (Pixel, R,G,B))
+
+extern uint32 RED_LOW_BIT_MASK;
+extern uint32 GREEN_LOW_BIT_MASK;
+extern uint32 BLUE_LOW_BIT_MASK;
+extern uint32 RED_HI_BIT_MASK;
+extern uint32 GREEN_HI_BIT_MASK;
+extern uint32 BLUE_HI_BIT_MASK;
+extern uint32 MAX_RED;
+extern uint32 MAX_GREEN;
+extern uint32 MAX_BLUE;
+extern uint32 SPARE_RGB_BIT_MASK;
+extern uint32 GREEN_HI_BIT;
+extern uint32 RGB_LOW_BITS_MASK;
+extern uint32 RGB_HI_BITS_MASK;
+extern uint32 RGB_HI_BITS_MASKx2;
+extern uint32 RGB_REMOVE_LOW_BITS_MASK;
+extern uint32 FIRST_COLOR_MASK;
+extern uint32 SECOND_COLOR_MASK;
+extern uint32 THIRD_COLOR_MASK;
+extern uint32 ALPHA_BITS_MASK;
+extern uint32 FIRST_THIRD_COLOR_MASK;
+extern uint32 TWO_LOW_BITS_MASK;
+extern uint32 HIGH_BITS_SHIFTED_TWO_MASK;
+
+#endif
+
+/* RGB565 format */
+#define BUILD_PIXEL_RGB565(R,G,B) (((int) (R) << 11) | ((int) (G) << 6) | (int) (B))
+#define BUILD_PIXEL2_RGB565(R,G,B) (((int) (R) << 11) | ((int) (G) << 5) | (int) (B))
+#define DECOMPOSE_PIXEL_RGB565(PIX,R,G,B) {(R) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (B) = (PIX) & 0x1f; }
+#define SPARE_RGB_BIT_MASK_RGB565 (1 << 5)
+
+#define MAX_RED_RGB565		  31
+#define MAX_GREEN_RGB565	  63
+#define MAX_BLUE_RGB565		  31
+#define RED_LOW_BIT_MASK_RGB565   0x0800
+#define GREEN_LOW_BIT_MASK_RGB565 0x0020
+#define BLUE_LOW_BIT_MASK_RGB565  0x0001
+#define RED_HI_BIT_MASK_RGB565    0x8000
+#define GREEN_HI_BIT_MASK_RGB565  0x0400
+#define BLUE_HI_BIT_MASK_RGB565   0x0010
+#define FIRST_COLOR_MASK_RGB565   0xF800
+#define SECOND_COLOR_MASK_RGB565  0x07E0
+#define THIRD_COLOR_MASK_RGB565   0x001F
+#define ALPHA_BITS_MASK_RGB565    0x0000 
+
+/* RGB555 format */
+#define BUILD_PIXEL_RGB555(R,G,B) (((int) (R) << 10) | ((int) (G) << 5) | (int) (B))
+#define BUILD_PIXEL2_RGB555(R,G,B) (((int) (R) << 10) | ((int) (G) << 5) | (int) (B))
+#define DECOMPOSE_PIXEL_RGB555(PIX,R,G,B) {(R) = (PIX) >> 10; (G) = ((PIX) >> 5) & 0x1f; (B) = (PIX) & 0x1f; }
+#define SPARE_RGB_BIT_MASK_RGB555 (1 << 15)
+
+#define MAX_RED_RGB555		  31
+#define MAX_GREEN_RGB555	  31
+#define MAX_BLUE_RGB555		  31
+#define RED_LOW_BIT_MASK_RGB555   0x0400
+#define GREEN_LOW_BIT_MASK_RGB555 0x0020
+#define BLUE_LOW_BIT_MASK_RGB555  0x0001
+#define RED_HI_BIT_MASK_RGB555    0x4000
+#define GREEN_HI_BIT_MASK_RGB555  0x0200
+#define BLUE_HI_BIT_MASK_RGB555   0x0010
+#define FIRST_COLOR_MASK_RGB555   0x7C00
+#define SECOND_COLOR_MASK_RGB555  0x03E0
+#define THIRD_COLOR_MASK_RGB555   0x001F
+#define ALPHA_BITS_MASK_RGB555    0x0000
+
+/* BGR565 format */
+#define BUILD_PIXEL_BGR565(R,G,B) (((int) (B) << 11) | ((int) (G) << 6) | (int) (R))
+#define BUILD_PIXEL2_BGR565(R,G,B) (((int) (B) << 11) | ((int) (G) << 5) | (int) (R))
+#define DECOMPOSE_PIXEL_BGR565(PIX,R,G,B) {(B) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (R) = (PIX) & 0x1f; }
+#define SPARE_RGB_BIT_MASK_BGR565 (1 << 5)
+
+#define MAX_RED_BGR565		  31
+#define MAX_GREEN_BGR565	  63
+#define MAX_BLUE_BGR565		  31
+#define RED_LOW_BIT_MASK_BGR565   0x0001
+#define GREEN_LOW_BIT_MASK_BGR565 0x0040
+#define BLUE_LOW_BIT_MASK_BGR565  0x0800
+#define RED_HI_BIT_MASK_BGR565    0x0010
+#define GREEN_HI_BIT_MASK_BGR565  0x0400
+#define BLUE_HI_BIT_MASK_BGR565   0x8000
+#define FIRST_COLOR_MASK_BGR565   0xF800
+#define SECOND_COLOR_MASK_BGR565  0x07E0
+#define THIRD_COLOR_MASK_BGR565   0x001F
+#define ALPHA_BITS_MASK_BGR565    0x0000
+
+/* BGR555 format */
+#define BUILD_PIXEL_BGR555(R,G,B) (((int) (B) << 10) | ((int) (G) << 5) | (int) (R))
+#define BUILD_PIXEL2_BGR555(R,G,B) (((int) (B) << 10) | ((int) (G) << 5) | (int) (R))
+#define DECOMPOSE_PIXEL_BGR555(PIX,R,G,B) {(B) = (PIX) >> 10; (G) = ((PIX) >> 5) & 0x1f; (R) = (PIX) & 0x1f; }
+#define SPARE_RGB_BIT_MASK_BGR555 (1 << 15)
+
+#define MAX_RED_BGR555		  31
+#define MAX_GREEN_BGR555	  31
+#define MAX_BLUE_BGR555		  31
+#define RED_LOW_BIT_MASK_BGR555   0x0001
+#define GREEN_LOW_BIT_MASK_BGR555 0x0020
+#define BLUE_LOW_BIT_MASK_BGR555  0x0400
+#define RED_HI_BIT_MASK_BGR555    0x0010
+#define GREEN_HI_BIT_MASK_BGR555  0x0200
+#define BLUE_HI_BIT_MASK_BGR555   0x4000
+#define FIRST_COLOR_MASK_BGR555   0x7C00
+#define SECOND_COLOR_MASK_BGR555  0x03E0
+#define THIRD_COLOR_MASK_BGR555   0x001F
+#define ALPHA_BITS_MASK_BGR555    0x0000
+
+/* GBR565 format */
+#define BUILD_PIXEL_GBR565(R,G,B) (((int) (G) << 11) | ((int) (B) << 6) | (int) (R))
+#define BUILD_PIXEL2_GBR565(R,G,B) (((int) (G) << 11) | ((int) (B) << 5) | (int) (R))
+#define DECOMPOSE_PIXEL_GBR565(PIX,R,G,B) {(G) = (PIX) >> 11; (B) = ((PIX) >> 6) & 0x1f; (R) = (PIX) & 0x1f; }
+#define SPARE_RGB_BIT_MASK_GBR565 (1 << 5)
+
+#define MAX_RED_GBR565            31
+#define MAX_BLUE_GBR565           63
+#define MAX_GREEN_GBR565          31
+#define RED_LOW_BIT_MASK_GBR565   0x0001
+#define BLUE_LOW_BIT_MASK_GBR565  0x0040
+#define GREEN_LOW_BIT_MASK_GBR565 0x0800
+#define RED_HI_BIT_MASK_GBR565    0x0010
+#define BLUE_HI_BIT_MASK_GBR565   0x0400
+#define GREEN_HI_BIT_MASK_GBR565  0x8000
+#define FIRST_COLOR_MASK_GBR565   0xF800
+#define SECOND_COLOR_MASK_GBR565  0x07E0
+#define THIRD_COLOR_MASK_GBR565   0x001F
+#define ALPHA_BITS_MASK_GBR565    0x0000
+
+/* GBR555 format */
+#define BUILD_PIXEL_GBR555(R,G,B) (((int) (G) << 10) | ((int) (B) << 5) | (int) (R))
+#define BUILD_PIXEL2_GBR555(R,G,B) (((int) (G) << 10) | ((int) (B) << 5) | (int) (R))
+#define DECOMPOSE_PIXEL_GBR555(PIX,R,G,B) {(G) = (PIX) >> 10; (B) = ((PIX) >> 5) & 0x1f; (R) = (PIX) & 0x1f; }
+#define SPARE_RGB_BIT_MASK_GBR555 (1 << 15)
+
+#define MAX_RED_GBR555            31
+#define MAX_BLUE_GBR555           31
+#define MAX_GREEN_GBR555          31
+#define RED_LOW_BIT_MASK_GBR555   0x0001
+#define BLUE_LOW_BIT_MASK_GBR555  0x0020
+#define GREEN_LOW_BIT_MASK_GBR555 0x0400
+#define RED_HI_BIT_MASK_GBR555    0x0010
+#define BLUE_HI_BIT_MASK_GBR555   0x0200
+#define GREEN_HI_BIT_MASK_GBR555  0x4000
+#define FIRST_COLOR_MASK_GBR555   0x7C00
+#define SECOND_COLOR_MASK_GBR555  0x03E0
+#define THIRD_COLOR_MASK_GBR555   0x001F
+#define ALPHA_BITS_MASK_GBR555    0x0000
+
+/* RGB5551 format */
+#define BUILD_PIXEL_RGB5551(R,G,B) (((int) (R) << 11) | ((int) (G) << 6) | (int) ((B) << 1) | 1)
+#define BUILD_PIXEL2_RGB5551(R,G,B) (((int) (R) << 11) | ((int) (G) << 6) | (int) ((B) << 1) | 1)
+#define DECOMPOSE_PIXEL_RGB5551(PIX,R,G,B) {(R) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (B) = ((PIX) >> 1) & 0x1f; }
+#define SPARE_RGB_BIT_MASK_RGB5551 (1)
+
+#define MAX_RED_RGB5551		   31
+#define MAX_GREEN_RGB5551	   31
+#define MAX_BLUE_RGB5551	   31
+#define RED_LOW_BIT_MASK_RGB5551   0x0800
+#define GREEN_LOW_BIT_MASK_RGB5551 0x0040
+#define BLUE_LOW_BIT_MASK_RGB5551  0x0002
+#define RED_HI_BIT_MASK_RGB5551    0x8000
+#define GREEN_HI_BIT_MASK_RGB5551  0x0400
+#define BLUE_HI_BIT_MASK_RGB5551   0x0020
+#define FIRST_COLOR_MASK_RGB5551   0xf800
+#define SECOND_COLOR_MASK_RGB5551  0x07c0
+#define THIRD_COLOR_MASK_RGB5551   0x003e
+#define ALPHA_BITS_MASK_RGB5551    0x0001
+
+#ifndef GFX_MULTI_FORMAT
+#define CONCAT(X,Y) X##Y
+
+/* C pre-processor needs a two stage macro define to enable it to concat
+ * to macro names together to form the name of another macro.             */
+#define BUILD_PIXEL_D(F,R,G,B) CONCAT(BUILD_PIXEL_,F) (R,G,B)
+#define BUILD_PIXEL2_D(F,R,G,B) CONCAT(BUILD_PIXEL2_,F) (R,G,B)
+#define DECOMPOSE_PIXEL_D(F,PIX,R,G,B) CONCAT(DECOMPOSE_PIXEL_,F) (PIX,R,G,B)
+
+#define BUILD_PIXEL(R,G,B) BUILD_PIXEL_D(PIXEL_FORMAT,R,G,B)
+#define BUILD_PIXEL2(R,G,B) BUILD_PIXEL2_D(PIXEL_FORMAT,R,G,B)
+#define DECOMPOSE_PIXEL(PIX,R,G,B) DECOMPOSE_PIXEL_D(PIXEL_FORMAT,PIX,R,G,B)
+
+#define MAX_RED_D(F)		CONCAT(MAX_RED_,F)
+#define MAX_BLUE_D(F)		CONCAT(MAX_BLUE_,F)
+#define MAX_GREEN_D(F)		CONCAT(MAX_GREEN_,F)
+#define RED_LOW_BIT_MASK_D(F)	CONCAT(RED_LOW_BIT_MASK_,F)
+#define BLUE_LOW_BIT_MASK_D(F)	CONCAT(BLUE_LOW_BIT_MASK_,F)
+#define GREEN_LOW_BIT_MASK_D(F)	CONCAT(GREEN_LOW_BIT_MASK_,F)
+#define RED_HI_BIT_MASK_D(F)	CONCAT(RED_HI_BIT_MASK_,F)
+#define BLUE_HI_BIT_MASK_D(F)	CONCAT(BLUE_HI_BIT_MASK_,F)
+#define GREEN_HI_BIT_MASK_D(F)	CONCAT(GREEN_HI_BIT_MASK_,F)
+#define FIRST_COLOR_MASK_D(F)   CONCAT(FIRST_COLOR_MASK_,F)
+#define SECOND_COLOR_MASK_D(F)  CONCAT(SECOND_COLOR_MASK_,F)
+#define THIRD_COLOR_MASK_D(F)   CONCAT(THIRD_COLOR_MASK_,F)
+#define ALPHA_BITS_MASK_D(F)    CONCAT(ALPHA_BITS_MASK_,F)
+
+#define MAX_RED			MAX_RED_D(PIXEL_FORMAT)
+#define MAX_BLUE		MAX_BLUE_D(PIXEL_FORMAT)
+#define MAX_GREEN		MAX_GREEN_D(PIXEL_FORMAT)
+#define RED_LOW_BIT_MASK	RED_LOW_BIT_MASK_D(PIXEL_FORMAT)
+#define BLUE_LOW_BIT_MASK       BLUE_LOW_BIT_MASK_D(PIXEL_FORMAT)
+#define GREEN_LOW_BIT_MASK      GREEN_LOW_BIT_MASK_D(PIXEL_FORMAT)
+#define RED_HI_BIT_MASK	        RED_HI_BIT_MASK_D(PIXEL_FORMAT)
+#define BLUE_HI_BIT_MASK        BLUE_HI_BIT_MASK_D(PIXEL_FORMAT)
+#define GREEN_HI_BIT_MASK       GREEN_HI_BIT_MASK_D(PIXEL_FORMAT)
+#define FIRST_COLOR_MASK        FIRST_COLOR_MASK_D(PIXEL_FORMAT)
+#define SECOND_COLOR_MASK       SECOND_COLOR_MASK_D(PIXEL_FORMAT)
+#define THIRD_COLOR_MASK        THIRD_COLOR_MASK_D(PIXEL_FORMAT)
+#define ALPHA_BITS_MASK         ALPHA_BITS_MASK_D(PIXEL_FORMAT)
+
+#define GREEN_HI_BIT	   ((MAX_GREEN + 1) >> 1)
+#define RGB_LOW_BITS_MASK (RED_LOW_BIT_MASK | GREEN_LOW_BIT_MASK | \
+			   BLUE_LOW_BIT_MASK)
+#define RGB_HI_BITS_MASK  (RED_HI_BIT_MASK | GREEN_HI_BIT_MASK | \
+			   BLUE_HI_BIT_MASK)
+#define RGB_HI_BITS_MASKx2 ((RED_HI_BIT_MASK | GREEN_HI_BIT_MASK | \
+			     BLUE_HI_BIT_MASK) << 1)
+#define RGB_REMOVE_LOW_BITS_MASK (~RGB_LOW_BITS_MASK)
+#define FIRST_THIRD_COLOR_MASK (FIRST_COLOR_MASK | THIRD_COLOR_MASK)
+#define TWO_LOW_BITS_MASK (RGB_LOW_BITS_MASK | (RGB_LOW_BITS_MASK << 1))
+#define HIGH_BITS_SHIFTED_TWO_MASK (( (FIRST_COLOR_MASK | SECOND_COLOR_MASK | THIRD_COLOR_MASK) & \
+                                ~TWO_LOW_BITS_MASK ) >> 2)
+#endif
+
+#endif
+