mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-12-24 18:21:50 +01:00
partially revert snes9x core. fixes performance issues.
This commit is contained in:
Daryl Borth
parent
5ea5f217b5
commit
fdc2b42ac0
353
source/snes9x/reader.cpp
Normal file
353
source/snes9x/reader.cpp
Normal file
@ -0,0 +1,353 @@
|
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/***********************************************************************************
|
||||
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_,
|
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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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|
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DSP-2 emulator code
|
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(c) Copyright 2003 John Weidman,
|
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Kris Bleakley,
|
||||
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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|
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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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|
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SPC7110 and RTC C++ emulator code used in 1.39-1.51
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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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|
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SPC7110 and RTC C++ emulator code used in 1.52+
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(c) Copyright 2009 byuu,
|
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neviksti
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|
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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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|
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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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|
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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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|
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Super FX C emulator code
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(c) Copyright 1997 - 1999 Ivar,
|
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Gary Henderson,
|
||||
John Weidman
|
||||
|
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Sound emulator code used in 1.5-1.51
|
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(c) Copyright 1998 - 2003 Brad Martin
|
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(c) Copyright 1998 - 2006 Charles Bilyue'
|
||||
|
||||
Sound emulator code used in 1.52+
|
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(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
|
||||
|
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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)
|
||||
|
||||
2xSaI filter
|
||||
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
|
||||
|
||||
HQ2x, HQ3x, HQ4x filters
|
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(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
|
||||
|
||||
NTSC filter
|
||||
(c) Copyright 2006 - 2007 Shay Green
|
||||
|
||||
GTK+ GUI code
|
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(c) Copyright 2004 - 2010 BearOso
|
||||
|
||||
Win32 GUI code
|
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(c) Copyright 2003 - 2006 blip,
|
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funkyass,
|
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Matthew Kendora,
|
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Nach,
|
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nitsuja
|
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(c) Copyright 2009 - 2010 OV2
|
||||
|
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Mac OS GUI code
|
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(c) Copyright 1998 - 2001 John Stiles
|
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(c) Copyright 2001 - 2010 zones
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||||
|
||||
|
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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
|
||||
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
|
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Nintendo Co., Limited and its subsidiary companies.
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||||
***********************************************************************************/
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// Abstract the details of reading from zip files versus FILE *'s.
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#include <string>
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#ifdef UNZIP_SUPPORT
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#include "unzip.h"
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#endif
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#include "snes9x.h"
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#include "reader.h"
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// Generic constructor/destructor
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Reader::Reader (void)
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{
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return;
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}
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Reader::~Reader (void)
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{
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return;
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}
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// Generic getline function, based on gets. Reimlpement if you can do better.
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char * Reader::getline (void)
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{
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bool eof;
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std::string ret;
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ret = getline(eof);
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if (ret.size() == 0 && eof)
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return (NULL);
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return (strdup(ret.c_str()));
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}
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std::string Reader::getline (bool &eof)
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{
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char buf[1024];
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std::string ret;
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eof = false;
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ret.clear();
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do
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{
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if (gets(buf, sizeof(buf)) == NULL)
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{
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eof = true;
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break;
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}
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ret.append(buf);
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}
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while (*ret.rbegin() != '\n');
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return (ret);
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}
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// snes9x.h STREAM reader
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fReader::fReader (STREAM f)
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{
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fp = f;
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}
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fReader::~fReader (void)
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{
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return;
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}
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int fReader::get_char (void)
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{
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return (GETC_STREAM(fp));
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}
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char * fReader::gets (char *buf, size_t len)
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{
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return (GETS_STREAM(buf, len, fp));
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}
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size_t fReader::read (char *buf, size_t len)
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{
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return (READ_STREAM(buf, len, fp));
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}
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// unzip reader
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#ifdef UNZIP_SUPPORT
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unzReader::unzReader (unzFile &v)
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{
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file = v;
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head = NULL;
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numbytes = 0;
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}
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unzReader::~unzReader (void)
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{
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return;
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}
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int unzReader::get_char (void)
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{
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unsigned char c;
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if (numbytes <= 0)
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{
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numbytes = unzReadCurrentFile(file, buffer, unz_BUFFSIZ);
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if (numbytes <= 0)
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return (EOF);
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head = buffer;
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}
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c = *head;
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head++;
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numbytes--;
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return ((int) c);
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}
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char * unzReader::gets (char *buf, size_t len)
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{
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size_t i;
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int c;
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for (i = 0; i < len - 1; i++)
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{
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c = get_char();
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if (c == EOF)
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{
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if (i == 0)
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return (NULL);
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break;
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}
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buf[i] = (char) c;
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if (buf[i] == '\n')
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break;
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}
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buf[i] = '\0';
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return (buf);
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}
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size_t unzReader::read (char *buf, size_t len)
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{
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if (len == 0)
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return (len);
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if (len <= numbytes)
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{
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memcpy(buf, head, len);
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numbytes -= len;
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head += len;
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return (len);
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}
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size_t numread = 0;
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if (numbytes > 0)
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{
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memcpy(buf, head, numbytes);
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numread += numbytes;
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head = NULL;
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numbytes = 0;
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}
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int l = unzReadCurrentFile(file, buf + numread, len - numread);
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if (l > 0)
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numread += l;
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return (numread);
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}
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#endif
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228
source/snes9x/reader.h
Normal file
228
source/snes9x/reader.h
Normal file
@ -0,0 +1,228 @@
|
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/***********************************************************************************
|
||||
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.
|
||||
***********************************************************************************/
|
||||
|
||||
|
||||
#ifndef _READER_H_
|
||||
#define _READER_H_
|
||||
|
||||
class Reader
|
||||
{
|
||||
public:
|
||||
Reader (void);
|
||||
virtual ~Reader (void);
|
||||
virtual int get_char (void) = 0;
|
||||
virtual char * gets (char *, size_t) = 0;
|
||||
virtual char * getline (void); // free() when done
|
||||
virtual std::string getline (bool &);
|
||||
virtual size_t read (char *, size_t) = 0;
|
||||
};
|
||||
|
||||
class fReader : public Reader
|
||||
{
|
||||
public:
|
||||
fReader (STREAM);
|
||||
virtual ~fReader (void);
|
||||
virtual int get_char (void);
|
||||
virtual char * gets (char *, size_t);
|
||||
virtual size_t read (char *, size_t);
|
||||
|
||||
private:
|
||||
STREAM fp;
|
||||
};
|
||||
|
||||
#ifdef UNZIP_SUPPORT
|
||||
|
||||
#define unz_BUFFSIZ 1024
|
||||
|
||||
class unzReader : public Reader
|
||||
{
|
||||
public:
|
||||
unzReader (unzFile &);
|
||||
virtual ~unzReader (void);
|
||||
virtual int get_char (void);
|
||||
virtual char * gets (char *, size_t);
|
||||
virtual size_t read (char *, size_t);
|
||||
|
||||
private:
|
||||
unzFile file;
|
||||
char buffer[unz_BUFFSIZ];
|
||||
char *head;
|
||||
size_t numbytes;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user