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+/*******************************************************************************
+ 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.
+*******************************************************************************/
+
+#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"), "wb");
+
+ if (fs)
+ {
+ fwrite (Memory.SDD1LoggedData, 8,
+ Memory.SDD1LoggedDataCount, fs);
+ fclose (fs);
+#if defined(__linux)
+ chown (S9xGetFilename (".dat"), getuid (), getgid ());
+#endif
+ }
+ Memory.SDD1LoggedDataCountPrev = Memory.SDD1LoggedDataCount;
+ }
+}
+
+void S9xSDD1LoadLoggedData ()
+{
+ FILE *fs = fopen (S9xGetFilename (".dat"), "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);
+ }
+}
+