mirror of https://github.com/snes9xgit/snes9x.git
445 lines
12 KiB
C++
445 lines
12 KiB
C++
/***********************************************************************************
|
|
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),
|
|
|
|
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
|
|
|
|
(c) Copyright 2006 - 2007 nitsuja
|
|
|
|
(c) Copyright 2009 - 2017 BearOso,
|
|
OV2
|
|
|
|
(c) Copyright 2017 qwertymodo
|
|
|
|
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
|
|
Daniel De Matteis
|
|
(Under no circumstances will commercial rights be given)
|
|
|
|
|
|
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)
|
|
|
|
S-SMP emulator code used in 1.54+
|
|
(c) Copyright 2016 byuu
|
|
|
|
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 - 2017 BearOso
|
|
|
|
Win32 GUI code
|
|
(c) Copyright 2003 - 2006 blip,
|
|
funkyass,
|
|
Matthew Kendora,
|
|
Nach,
|
|
nitsuja
|
|
(c) Copyright 2009 - 2017 OV2
|
|
|
|
Mac OS GUI code
|
|
(c) Copyright 1998 - 2001 John Stiles
|
|
(c) Copyright 2001 - 2011 zones
|
|
|
|
Libretro port
|
|
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
|
|
Daniel De Matteis
|
|
(Under no circumstances will commercial rights be given)
|
|
|
|
|
|
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 "epx.h"
|
|
|
|
|
|
void EPX_16 (uint8 *srcPtr, int srcRowBytes, uint8 *dstPtr, int dstRowBytes, int width, int height)
|
|
{
|
|
uint16 colorX, colorA, colorB, colorC, colorD;
|
|
uint16 *sP, *uP, *lP;
|
|
uint32 *dP1, *dP2;
|
|
int w;
|
|
|
|
height -= 2;
|
|
|
|
// D
|
|
// A X C
|
|
// B
|
|
|
|
// top edge
|
|
|
|
sP = (uint16 *) srcPtr;
|
|
lP = (uint16 *) (srcPtr + srcRowBytes);
|
|
dP1 = (uint32 *) dstPtr;
|
|
dP2 = (uint32 *) (dstPtr + dstRowBytes);
|
|
|
|
// left edge
|
|
|
|
colorX = *sP;
|
|
colorC = *++sP;
|
|
colorB = *lP++;
|
|
|
|
if ((colorX != colorC) && (colorB != colorX))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (colorX << 16) + colorX;
|
|
*dP2 = (colorX << 16) + ((colorB == colorC) ? colorB : colorX);
|
|
#else
|
|
*dP1 = colorX + (colorX << 16);
|
|
*dP2 = colorX + (((colorB == colorC) ? colorB : colorX) << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
dP1++;
|
|
dP2++;
|
|
|
|
//
|
|
|
|
for (w = width - 2; w; w--)
|
|
{
|
|
colorA = colorX;
|
|
colorX = colorC;
|
|
colorC = *++sP;
|
|
colorB = *lP++;
|
|
|
|
if ((colorA != colorC) && (colorB != colorX))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (colorX << 16) + colorX;
|
|
*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + ((colorB == colorC) ? colorB : colorX);
|
|
#else
|
|
*dP1 = colorX + (colorX << 16);
|
|
*dP2 = ((colorA == colorB) ? colorA : colorX) + (((colorB == colorC) ? colorB : colorX) << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
dP1++;
|
|
dP2++;
|
|
}
|
|
|
|
// right edge
|
|
|
|
colorA = colorX;
|
|
colorX = colorC;
|
|
colorB = *lP;
|
|
|
|
if ((colorA != colorX) && (colorB != colorX))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (colorX << 16) + colorX;
|
|
*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + colorX;
|
|
#else
|
|
*dP1 = colorX + (colorX << 16);
|
|
*dP2 = ((colorA == colorB) ? colorA : colorX) + (colorX << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
srcPtr += srcRowBytes;
|
|
dstPtr += dstRowBytes << 1;
|
|
|
|
//
|
|
|
|
for (; height; height--)
|
|
{
|
|
sP = (uint16 *) srcPtr;
|
|
uP = (uint16 *) (srcPtr - srcRowBytes);
|
|
lP = (uint16 *) (srcPtr + srcRowBytes);
|
|
dP1 = (uint32 *) dstPtr;
|
|
dP2 = (uint32 *) (dstPtr + dstRowBytes);
|
|
|
|
// left edge
|
|
|
|
colorX = *sP;
|
|
colorC = *++sP;
|
|
colorB = *lP++;
|
|
colorD = *uP++;
|
|
|
|
if ((colorX != colorC) && (colorB != colorD))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (colorX << 16) + ((colorC == colorD) ? colorC : colorX);
|
|
*dP2 = (colorX << 16) + ((colorB == colorC) ? colorB : colorX);
|
|
#else
|
|
*dP1 = colorX + (((colorC == colorD) ? colorC : colorX) << 16);
|
|
*dP2 = colorX + (((colorB == colorC) ? colorB : colorX) << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
dP1++;
|
|
dP2++;
|
|
|
|
//
|
|
|
|
for (w = width - 2; w; w--)
|
|
{
|
|
colorA = colorX;
|
|
colorX = colorC;
|
|
colorC = *++sP;
|
|
colorB = *lP++;
|
|
colorD = *uP++;
|
|
|
|
if ((colorA != colorC) && (colorB != colorD))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + ((colorC == colorD) ? colorC : colorX);
|
|
*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + ((colorB == colorC) ? colorB : colorX);
|
|
#else
|
|
*dP1 = ((colorD == colorA) ? colorD : colorX) + (((colorC == colorD) ? colorC : colorX) << 16);
|
|
*dP2 = ((colorA == colorB) ? colorA : colorX) + (((colorB == colorC) ? colorB : colorX) << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
dP1++;
|
|
dP2++;
|
|
}
|
|
|
|
// right edge
|
|
|
|
colorA = colorX;
|
|
colorX = colorC;
|
|
colorB = *lP;
|
|
colorD = *uP;
|
|
|
|
if ((colorA != colorX) && (colorB != colorD))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + colorX;
|
|
*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + colorX;
|
|
#else
|
|
*dP1 = ((colorD == colorA) ? colorD : colorX) + (colorX << 16);
|
|
*dP2 = ((colorA == colorB) ? colorA : colorX) + (colorX << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
srcPtr += srcRowBytes;
|
|
dstPtr += dstRowBytes << 1;
|
|
}
|
|
|
|
// bottom edge
|
|
|
|
sP = (uint16 *) srcPtr;
|
|
uP = (uint16 *) (srcPtr - srcRowBytes);
|
|
dP1 = (uint32 *) dstPtr;
|
|
dP2 = (uint32 *) (dstPtr + dstRowBytes);
|
|
|
|
// left edge
|
|
|
|
colorX = *sP;
|
|
colorC = *++sP;
|
|
colorD = *uP++;
|
|
|
|
if ((colorX != colorC) && (colorX != colorD))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (colorX << 16) + ((colorC == colorD) ? colorC : colorX);
|
|
*dP2 = (colorX << 16) + colorX;
|
|
#else
|
|
*dP1 = colorX + (((colorC == colorD) ? colorC : colorX) << 16);
|
|
*dP2 = colorX + (colorX << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
dP1++;
|
|
dP2++;
|
|
|
|
//
|
|
|
|
for (w = width - 2; w; w--)
|
|
{
|
|
colorA = colorX;
|
|
colorX = colorC;
|
|
colorC = *++sP;
|
|
colorD = *uP++;
|
|
|
|
if ((colorA != colorC) && (colorX != colorD))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + ((colorC == colorD) ? colorC : colorX);
|
|
*dP2 = (colorX << 16) + colorX;
|
|
#else
|
|
*dP1 = ((colorD == colorA) ? colorD : colorX) + (((colorC == colorD) ? colorC : colorX) << 16);
|
|
*dP2 = colorX + (colorX << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
|
|
dP1++;
|
|
dP2++;
|
|
}
|
|
|
|
// right edge
|
|
|
|
colorA = colorX;
|
|
colorX = colorC;
|
|
colorD = *uP;
|
|
|
|
if ((colorA != colorX) && (colorX != colorD))
|
|
{
|
|
#ifdef MSB_FIRST
|
|
*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + colorX;
|
|
*dP2 = (colorX << 16) + colorX;
|
|
#else
|
|
*dP1 = ((colorD == colorA) ? colorD : colorX) + (colorX << 16);
|
|
*dP2 = colorX + (colorX << 16);
|
|
#endif
|
|
}
|
|
else
|
|
*dP1 = *dP2 = (colorX << 16) + colorX;
|
|
}
|