mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-30 22:44:22 +01:00
256 lines
7.5 KiB
C++
256 lines
7.5 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 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
|
|
Nach (n-a-c-h@users.sourceforge.net),
|
|
zones (kasumitokoduck@yahoo.com)
|
|
|
|
(c) Copyright 2006 - 2007 nitsuja
|
|
|
|
|
|
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
|
|
(c) Copyright 2002 Matthew Kendora with research by
|
|
zsKnight,
|
|
John Weidman,
|
|
Dark Force
|
|
|
|
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 DSP emulator code is derived from SNEeSe and OpenSPC:
|
|
(c) Copyright 1998 - 2003 Brad Martin
|
|
(c) Copyright 1998 - 2006 Charles Bilyue'
|
|
|
|
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)
|
|
|
|
Win32 GUI code
|
|
(c) Copyright 2003 - 2006 blip,
|
|
funkyass,
|
|
Matthew Kendora,
|
|
Nach,
|
|
nitsuja
|
|
|
|
Mac OS GUI code
|
|
(c) Copyright 1998 - 2001 John Stiles
|
|
(c) Copyright 2001 - 2007 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"
|
|
#include "ppu.h"
|
|
#include "sdd1.h"
|
|
#include "display.h"
|
|
|
|
#ifdef __linux
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
void S9xSetSDD1MemoryMap (uint32 bank, uint32 value)
|
|
{
|
|
bank = 0xc00 + bank * 0x100;
|
|
value = value * 1024 * 1024;
|
|
|
|
int c;
|
|
|
|
for (c = 0; c < 0x100; c += 16)
|
|
{
|
|
uint8 *block = &Memory.ROM [value + (c << 12)];
|
|
int i;
|
|
|
|
for (i = c; i < c + 16; i++)
|
|
Memory.Map [i + bank] = block;
|
|
}
|
|
}
|
|
|
|
void S9xResetSDD1 ()
|
|
{
|
|
memset (&Memory.FillRAM [0x4800], 0, 4);
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
Memory.FillRAM [0x4804 + i] = i;
|
|
S9xSetSDD1MemoryMap (i, i);
|
|
}
|
|
}
|
|
|
|
void S9xSDD1PostLoadState ()
|
|
{
|
|
for (int i = 0; i < 4; i++)
|
|
S9xSetSDD1MemoryMap (i, Memory.FillRAM [0x4804 + i]);
|
|
}
|
|
|
|
static int S9xCompareSDD1LoggedDataEntries (const void *p1, const void *p2)
|
|
{
|
|
uint8 *b1 = (uint8 *) p1;
|
|
uint8 *b2 = (uint8 *) p2;
|
|
uint32 a1 = (*b1 << 16) + (*(b1 + 1) << 8) + *(b1 + 2);
|
|
uint32 a2 = (*b2 << 16) + (*(b2 + 1) << 8) + *(b2 + 2);
|
|
|
|
return (a1 - a2);
|
|
}
|
|
|
|
void S9xSDD1SaveLoggedData ()
|
|
{
|
|
if (Memory.SDD1LoggedDataCount != Memory.SDD1LoggedDataCountPrev)
|
|
{
|
|
qsort (Memory.SDD1LoggedData, Memory.SDD1LoggedDataCount, 8,
|
|
S9xCompareSDD1LoggedDataEntries);
|
|
|
|
FILE *fs = fopen (S9xGetFilename (".dat", PATCH_DIR), "wb");
|
|
|
|
if (fs)
|
|
{
|
|
fwrite (Memory.SDD1LoggedData, 8,
|
|
Memory.SDD1LoggedDataCount, fs);
|
|
fclose (fs);
|
|
#if defined(__linux)
|
|
chown (S9xGetFilename (".dat", PATCH_DIR), getuid (), getgid ());
|
|
#endif
|
|
}
|
|
Memory.SDD1LoggedDataCountPrev = Memory.SDD1LoggedDataCount;
|
|
}
|
|
}
|
|
|
|
void S9xSDD1LoadLoggedData ()
|
|
{
|
|
FILE *fs = fopen (S9xGetFilename (".dat", PATCH_DIR), "rb");
|
|
|
|
Memory.SDD1LoggedDataCount = Memory.SDD1LoggedDataCountPrev = 0;
|
|
|
|
if (fs)
|
|
{
|
|
int c = fread (Memory.SDD1LoggedData, 8,
|
|
MEMMAP_MAX_SDD1_LOGGED_ENTRIES, fs);
|
|
|
|
if (c != EOF)
|
|
Memory.SDD1LoggedDataCount = Memory.SDD1LoggedDataCountPrev = c;
|
|
fclose (fs);
|
|
}
|
|
}
|
|
|