mirror of
https://github.com/dborth/snes9xgx.git
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378 lines
15 KiB
C
378 lines
15 KiB
C
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/**********************************************************************************
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
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Jerremy Koot (jkoot@snes9x.com)
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(c) Copyright 2002 - 2004 Matthew Kendora
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(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
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(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
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(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
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(c) Copyright 2002 - 2006 Brad Jorsch (anomie@users.sourceforge.net),
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funkyass (funkyass@spam.shaw.ca),
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Kris Bleakley (codeviolation@hotmail.com),
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Nach (n-a-c-h@users.sourceforge.net), and
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zones (kasumitokoduck@yahoo.com)
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BS-X C emulator code
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(c) Copyright 2005 - 2006 Dreamer Nom,
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zones
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C4 x86 assembler and some C emulation code
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(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
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Nach,
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zsKnight (zsknight@zsnes.com)
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C4 C++ code
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(c) Copyright 2003 - 2006 Brad Jorsch,
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Nach
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DSP-1 emulator code
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(c) Copyright 1998 - 2006 _Demo_,
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Andreas Naive (andreasnaive@gmail.com)
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Gary Henderson,
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Ivar (ivar@snes9x.com),
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John Weidman,
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Kris Bleakley,
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Matthew Kendora,
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Nach,
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neviksti (neviksti@hotmail.com)
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DSP-2 emulator code
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(c) Copyright 2003 John Weidman,
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Kris Bleakley,
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Lord Nightmare (lord_nightmare@users.sourceforge.net),
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Matthew Kendora,
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neviksti
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DSP-3 emulator code
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(c) Copyright 2003 - 2006 John Weidman,
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Kris Bleakley,
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Lancer,
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z80 gaiden
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DSP-4 emulator code
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(c) Copyright 2004 - 2006 Dreamer Nom,
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John Weidman,
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Kris Bleakley,
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Nach,
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z80 gaiden
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OBC1 emulator code
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(c) Copyright 2001 - 2004 zsKnight,
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pagefault (pagefault@zsnes.com),
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Kris Bleakley,
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Ported from x86 assembler to C by sanmaiwashi
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SPC7110 and RTC C++ emulator code
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(c) Copyright 2002 Matthew Kendora with research by
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zsKnight,
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John Weidman,
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Dark Force
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S-DD1 C emulator code
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(c) Copyright 2003 Brad Jorsch with research by
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Andreas Naive,
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John Weidman
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S-RTC C emulator code
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(c) Copyright 2001-2006 byuu,
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John Weidman
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ST010 C++ emulator code
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(c) Copyright 2003 Feather,
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John Weidman,
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Kris Bleakley,
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Matthew Kendora
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Super FX x86 assembler emulator code
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(c) Copyright 1998 - 2003 _Demo_,
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pagefault,
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zsKnight,
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Super FX C emulator code
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(c) Copyright 1997 - 1999 Ivar,
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Gary Henderson,
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John Weidman
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Sound DSP emulator code is derived from SNEeSe and OpenSPC:
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(c) Copyright 1998 - 2003 Brad Martin
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(c) Copyright 1998 - 2006 Charles Bilyue'
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SH assembler code partly based on x86 assembler code
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(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
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2xSaI filter
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(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
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HQ2x filter
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(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
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Specific ports contains the works of other authors. See headers in
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individual files.
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Snes9x homepage: http://www.snes9x.com
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Permission to use, copy, modify and/or distribute Snes9x in both binary
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and source form, for non-commercial purposes, is hereby granted without
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fee, providing that this license information and copyright notice appear
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with all copies and any derived work.
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This software is provided 'as-is', without any express or implied
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warranty. In no event shall the authors be held liable for any damages
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arising from the use of this software or it's derivatives.
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Snes9x is freeware for PERSONAL USE only. Commercial users should
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seek permission of the copyright holders first. Commercial use includes,
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but is not limited to, charging money for Snes9x or software derived from
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Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
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using Snes9x as a promotion for your commercial product.
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The copyright holders request that bug fixes and improvements to the code
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should be forwarded to them so everyone can benefit from the modifications
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in future versions.
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Super NES and Super Nintendo Entertainment System are trademarks of
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Nintendo Co., Limited and its subsidiary companies.
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**********************************************************************************/
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#ifndef _PIXFORM_H_
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#define _PIXFORM_H_
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#ifdef GFX_MULTI_FORMAT
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enum { RGB565, RGB555, BGR565, BGR555, GBR565, GBR555, RGB5551 };
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#define BUILD_PIXEL(R,G,B) ((*GFX.BuildPixel) (R, G, B))
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#define BUILD_PIXEL2(R,G,B) ((*GFX.BuildPixel2) (R, G, B))
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#define DECOMPOSE_PIXEL(Pixel,R,G,B) ((*GFX.DecomposePixel) (Pixel, R,G,B))
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extern uint32 RED_LOW_BIT_MASK;
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extern uint32 GREEN_LOW_BIT_MASK;
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extern uint32 BLUE_LOW_BIT_MASK;
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extern uint32 RED_HI_BIT_MASK;
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extern uint32 GREEN_HI_BIT_MASK;
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extern uint32 BLUE_HI_BIT_MASK;
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extern uint32 MAX_RED;
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extern uint32 MAX_GREEN;
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extern uint32 MAX_BLUE;
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extern uint32 SPARE_RGB_BIT_MASK;
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extern uint32 GREEN_HI_BIT;
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extern uint32 RGB_LOW_BITS_MASK;
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extern uint32 RGB_HI_BITS_MASK;
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extern uint32 RGB_HI_BITS_MASKx2;
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extern uint32 RGB_REMOVE_LOW_BITS_MASK;
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extern uint32 FIRST_COLOR_MASK;
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extern uint32 SECOND_COLOR_MASK;
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extern uint32 THIRD_COLOR_MASK;
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extern uint32 ALPHA_BITS_MASK;
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extern uint32 FIRST_THIRD_COLOR_MASK;
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extern uint32 TWO_LOW_BITS_MASK;
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extern uint32 HIGH_BITS_SHIFTED_TWO_MASK;
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#endif
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/* RGB565 format */
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#define BUILD_PIXEL_RGB565(R,G,B) (((int) (R) << 11) | ((int) (G) << 6) | (int) (B))
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#define BUILD_PIXEL2_RGB565(R,G,B) (((int) (R) << 11) | ((int) (G) << 5) | (int) (B))
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#define DECOMPOSE_PIXEL_RGB565(PIX,R,G,B) {(R) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (B) = (PIX) & 0x1f; }
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#define SPARE_RGB_BIT_MASK_RGB565 (1 << 5)
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#define MAX_RED_RGB565 31
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#define MAX_GREEN_RGB565 63
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#define MAX_BLUE_RGB565 31
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#define RED_LOW_BIT_MASK_RGB565 0x0800
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#define GREEN_LOW_BIT_MASK_RGB565 0x0020
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#define BLUE_LOW_BIT_MASK_RGB565 0x0001
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#define RED_HI_BIT_MASK_RGB565 0x8000
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#define GREEN_HI_BIT_MASK_RGB565 0x0400
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#define BLUE_HI_BIT_MASK_RGB565 0x0010
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#define FIRST_COLOR_MASK_RGB565 0xF800
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#define SECOND_COLOR_MASK_RGB565 0x07E0
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#define THIRD_COLOR_MASK_RGB565 0x001F
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#define ALPHA_BITS_MASK_RGB565 0x0000
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/* RGB555 format */
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#define BUILD_PIXEL_RGB555(R,G,B) (((int) (R) << 10) | ((int) (G) << 5) | (int) (B))
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#define BUILD_PIXEL2_RGB555(R,G,B) (((int) (R) << 10) | ((int) (G) << 5) | (int) (B))
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#define DECOMPOSE_PIXEL_RGB555(PIX,R,G,B) {(R) = (PIX) >> 10; (G) = ((PIX) >> 5) & 0x1f; (B) = (PIX) & 0x1f; }
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#define SPARE_RGB_BIT_MASK_RGB555 (1 << 15)
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#define MAX_RED_RGB555 31
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#define MAX_GREEN_RGB555 31
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#define MAX_BLUE_RGB555 31
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#define RED_LOW_BIT_MASK_RGB555 0x0400
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#define GREEN_LOW_BIT_MASK_RGB555 0x0020
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#define BLUE_LOW_BIT_MASK_RGB555 0x0001
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#define RED_HI_BIT_MASK_RGB555 0x4000
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#define GREEN_HI_BIT_MASK_RGB555 0x0200
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#define BLUE_HI_BIT_MASK_RGB555 0x0010
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#define FIRST_COLOR_MASK_RGB555 0x7C00
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#define SECOND_COLOR_MASK_RGB555 0x03E0
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#define THIRD_COLOR_MASK_RGB555 0x001F
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#define ALPHA_BITS_MASK_RGB555 0x0000
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/* BGR565 format */
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#define BUILD_PIXEL_BGR565(R,G,B) (((int) (B) << 11) | ((int) (G) << 6) | (int) (R))
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#define BUILD_PIXEL2_BGR565(R,G,B) (((int) (B) << 11) | ((int) (G) << 5) | (int) (R))
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#define DECOMPOSE_PIXEL_BGR565(PIX,R,G,B) {(B) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (R) = (PIX) & 0x1f; }
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#define SPARE_RGB_BIT_MASK_BGR565 (1 << 5)
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#define MAX_RED_BGR565 31
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#define MAX_GREEN_BGR565 63
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#define MAX_BLUE_BGR565 31
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#define RED_LOW_BIT_MASK_BGR565 0x0001
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#define GREEN_LOW_BIT_MASK_BGR565 0x0040
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#define BLUE_LOW_BIT_MASK_BGR565 0x0800
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#define RED_HI_BIT_MASK_BGR565 0x0010
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#define GREEN_HI_BIT_MASK_BGR565 0x0400
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#define BLUE_HI_BIT_MASK_BGR565 0x8000
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#define FIRST_COLOR_MASK_BGR565 0xF800
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#define SECOND_COLOR_MASK_BGR565 0x07E0
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#define THIRD_COLOR_MASK_BGR565 0x001F
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#define ALPHA_BITS_MASK_BGR565 0x0000
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/* BGR555 format */
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#define BUILD_PIXEL_BGR555(R,G,B) (((int) (B) << 10) | ((int) (G) << 5) | (int) (R))
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#define BUILD_PIXEL2_BGR555(R,G,B) (((int) (B) << 10) | ((int) (G) << 5) | (int) (R))
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#define DECOMPOSE_PIXEL_BGR555(PIX,R,G,B) {(B) = (PIX) >> 10; (G) = ((PIX) >> 5) & 0x1f; (R) = (PIX) & 0x1f; }
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#define SPARE_RGB_BIT_MASK_BGR555 (1 << 15)
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#define MAX_RED_BGR555 31
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#define MAX_GREEN_BGR555 31
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#define MAX_BLUE_BGR555 31
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#define RED_LOW_BIT_MASK_BGR555 0x0001
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#define GREEN_LOW_BIT_MASK_BGR555 0x0020
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#define BLUE_LOW_BIT_MASK_BGR555 0x0400
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#define RED_HI_BIT_MASK_BGR555 0x0010
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#define GREEN_HI_BIT_MASK_BGR555 0x0200
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#define BLUE_HI_BIT_MASK_BGR555 0x4000
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#define FIRST_COLOR_MASK_BGR555 0x7C00
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#define SECOND_COLOR_MASK_BGR555 0x03E0
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#define THIRD_COLOR_MASK_BGR555 0x001F
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#define ALPHA_BITS_MASK_BGR555 0x0000
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/* GBR565 format */
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#define BUILD_PIXEL_GBR565(R,G,B) (((int) (G) << 11) | ((int) (B) << 6) | (int) (R))
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#define BUILD_PIXEL2_GBR565(R,G,B) (((int) (G) << 11) | ((int) (B) << 5) | (int) (R))
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#define DECOMPOSE_PIXEL_GBR565(PIX,R,G,B) {(G) = (PIX) >> 11; (B) = ((PIX) >> 6) & 0x1f; (R) = (PIX) & 0x1f; }
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#define SPARE_RGB_BIT_MASK_GBR565 (1 << 5)
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#define MAX_RED_GBR565 31
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#define MAX_BLUE_GBR565 63
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#define MAX_GREEN_GBR565 31
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#define RED_LOW_BIT_MASK_GBR565 0x0001
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#define BLUE_LOW_BIT_MASK_GBR565 0x0040
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#define GREEN_LOW_BIT_MASK_GBR565 0x0800
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#define RED_HI_BIT_MASK_GBR565 0x0010
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#define BLUE_HI_BIT_MASK_GBR565 0x0400
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#define GREEN_HI_BIT_MASK_GBR565 0x8000
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#define FIRST_COLOR_MASK_GBR565 0xF800
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#define SECOND_COLOR_MASK_GBR565 0x07E0
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#define THIRD_COLOR_MASK_GBR565 0x001F
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#define ALPHA_BITS_MASK_GBR565 0x0000
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/* GBR555 format */
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#define BUILD_PIXEL_GBR555(R,G,B) (((int) (G) << 10) | ((int) (B) << 5) | (int) (R))
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#define BUILD_PIXEL2_GBR555(R,G,B) (((int) (G) << 10) | ((int) (B) << 5) | (int) (R))
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#define DECOMPOSE_PIXEL_GBR555(PIX,R,G,B) {(G) = (PIX) >> 10; (B) = ((PIX) >> 5) & 0x1f; (R) = (PIX) & 0x1f; }
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#define SPARE_RGB_BIT_MASK_GBR555 (1 << 15)
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#define MAX_RED_GBR555 31
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#define MAX_BLUE_GBR555 31
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#define MAX_GREEN_GBR555 31
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#define RED_LOW_BIT_MASK_GBR555 0x0001
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#define BLUE_LOW_BIT_MASK_GBR555 0x0020
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#define GREEN_LOW_BIT_MASK_GBR555 0x0400
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#define RED_HI_BIT_MASK_GBR555 0x0010
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#define BLUE_HI_BIT_MASK_GBR555 0x0200
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#define GREEN_HI_BIT_MASK_GBR555 0x4000
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#define FIRST_COLOR_MASK_GBR555 0x7C00
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#define SECOND_COLOR_MASK_GBR555 0x03E0
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#define THIRD_COLOR_MASK_GBR555 0x001F
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#define ALPHA_BITS_MASK_GBR555 0x0000
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/* RGB5551 format */
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#define BUILD_PIXEL_RGB5551(R,G,B) (((int) (R) << 11) | ((int) (G) << 6) | (int) ((B) << 1) | 1)
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#define BUILD_PIXEL2_RGB5551(R,G,B) (((int) (R) << 11) | ((int) (G) << 6) | (int) ((B) << 1) | 1)
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#define DECOMPOSE_PIXEL_RGB5551(PIX,R,G,B) {(R) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (B) = ((PIX) >> 1) & 0x1f; }
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#define SPARE_RGB_BIT_MASK_RGB5551 (1)
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#define MAX_RED_RGB5551 31
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#define MAX_GREEN_RGB5551 31
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#define MAX_BLUE_RGB5551 31
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#define RED_LOW_BIT_MASK_RGB5551 0x0800
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#define GREEN_LOW_BIT_MASK_RGB5551 0x0040
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#define BLUE_LOW_BIT_MASK_RGB5551 0x0002
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#define RED_HI_BIT_MASK_RGB5551 0x8000
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#define GREEN_HI_BIT_MASK_RGB5551 0x0400
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#define BLUE_HI_BIT_MASK_RGB5551 0x0020
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#define FIRST_COLOR_MASK_RGB5551 0xf800
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#define SECOND_COLOR_MASK_RGB5551 0x07c0
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#define THIRD_COLOR_MASK_RGB5551 0x003e
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#define ALPHA_BITS_MASK_RGB5551 0x0001
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#ifndef GFX_MULTI_FORMAT
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#define CONCAT(X,Y) X##Y
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/* C pre-processor needs a two stage macro define to enable it to concat
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* to macro names together to form the name of another macro. */
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#define BUILD_PIXEL_D(F,R,G,B) CONCAT(BUILD_PIXEL_,F) (R,G,B)
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#define BUILD_PIXEL2_D(F,R,G,B) CONCAT(BUILD_PIXEL2_,F) (R,G,B)
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#define DECOMPOSE_PIXEL_D(F,PIX,R,G,B) CONCAT(DECOMPOSE_PIXEL_,F) (PIX,R,G,B)
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#define BUILD_PIXEL(R,G,B) BUILD_PIXEL_D(PIXEL_FORMAT,R,G,B)
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#define BUILD_PIXEL2(R,G,B) BUILD_PIXEL2_D(PIXEL_FORMAT,R,G,B)
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#define DECOMPOSE_PIXEL(PIX,R,G,B) DECOMPOSE_PIXEL_D(PIXEL_FORMAT,PIX,R,G,B)
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#define MAX_RED_D(F) CONCAT(MAX_RED_,F)
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#define MAX_BLUE_D(F) CONCAT(MAX_BLUE_,F)
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#define MAX_GREEN_D(F) CONCAT(MAX_GREEN_,F)
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#define RED_LOW_BIT_MASK_D(F) CONCAT(RED_LOW_BIT_MASK_,F)
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#define BLUE_LOW_BIT_MASK_D(F) CONCAT(BLUE_LOW_BIT_MASK_,F)
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#define GREEN_LOW_BIT_MASK_D(F) CONCAT(GREEN_LOW_BIT_MASK_,F)
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#define RED_HI_BIT_MASK_D(F) CONCAT(RED_HI_BIT_MASK_,F)
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#define BLUE_HI_BIT_MASK_D(F) CONCAT(BLUE_HI_BIT_MASK_,F)
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#define GREEN_HI_BIT_MASK_D(F) CONCAT(GREEN_HI_BIT_MASK_,F)
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#define FIRST_COLOR_MASK_D(F) CONCAT(FIRST_COLOR_MASK_,F)
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#define SECOND_COLOR_MASK_D(F) CONCAT(SECOND_COLOR_MASK_,F)
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#define THIRD_COLOR_MASK_D(F) CONCAT(THIRD_COLOR_MASK_,F)
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#define ALPHA_BITS_MASK_D(F) CONCAT(ALPHA_BITS_MASK_,F)
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#define MAX_RED MAX_RED_D(PIXEL_FORMAT)
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#define MAX_BLUE MAX_BLUE_D(PIXEL_FORMAT)
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#define MAX_GREEN MAX_GREEN_D(PIXEL_FORMAT)
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#define RED_LOW_BIT_MASK RED_LOW_BIT_MASK_D(PIXEL_FORMAT)
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#define BLUE_LOW_BIT_MASK BLUE_LOW_BIT_MASK_D(PIXEL_FORMAT)
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#define GREEN_LOW_BIT_MASK GREEN_LOW_BIT_MASK_D(PIXEL_FORMAT)
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#define RED_HI_BIT_MASK RED_HI_BIT_MASK_D(PIXEL_FORMAT)
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#define BLUE_HI_BIT_MASK BLUE_HI_BIT_MASK_D(PIXEL_FORMAT)
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#define GREEN_HI_BIT_MASK GREEN_HI_BIT_MASK_D(PIXEL_FORMAT)
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#define FIRST_COLOR_MASK FIRST_COLOR_MASK_D(PIXEL_FORMAT)
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#define SECOND_COLOR_MASK SECOND_COLOR_MASK_D(PIXEL_FORMAT)
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#define THIRD_COLOR_MASK THIRD_COLOR_MASK_D(PIXEL_FORMAT)
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#define ALPHA_BITS_MASK ALPHA_BITS_MASK_D(PIXEL_FORMAT)
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#define GREEN_HI_BIT ((MAX_GREEN + 1) >> 1)
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#define RGB_LOW_BITS_MASK (RED_LOW_BIT_MASK | GREEN_LOW_BIT_MASK | \
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BLUE_LOW_BIT_MASK)
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#define RGB_HI_BITS_MASK (RED_HI_BIT_MASK | GREEN_HI_BIT_MASK | \
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BLUE_HI_BIT_MASK)
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#define RGB_HI_BITS_MASKx2 ((RED_HI_BIT_MASK | GREEN_HI_BIT_MASK | \
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BLUE_HI_BIT_MASK) << 1)
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#define RGB_REMOVE_LOW_BITS_MASK (~RGB_LOW_BITS_MASK)
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#define FIRST_THIRD_COLOR_MASK (FIRST_COLOR_MASK | THIRD_COLOR_MASK)
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#define TWO_LOW_BITS_MASK (RGB_LOW_BITS_MASK | (RGB_LOW_BITS_MASK << 1))
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#define HIGH_BITS_SHIFTED_TWO_MASK (( (FIRST_COLOR_MASK | SECOND_COLOR_MASK | THIRD_COLOR_MASK) & \
|
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~TWO_LOW_BITS_MASK ) >> 2)
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#endif
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#endif
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