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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.
+*******************************************************************************/
+#ifndef _srtc_h_
+#define _srtc_h_
+
+#include <time.h>
+
+#define MAX_RTC_INDEX       0xC
+
+#define MODE_READ           0
+#define MODE_LOAD_RTC       1
+#define MODE_COMMAND        2
+#define MODE_COMMAND_DONE   3
+
+#define COMMAND_LOAD_RTC    0
+#define COMMAND_CLEAR_RTC   4
+
+
+/***   The format of the rtc_data structure is:
+
+Index Description     Range (nibble)
+----- --------------  ---------------------------------------
+
+  0   Seconds low     0-9
+  1   Seconds high    0-5
+
+  2   Minutes low     0-9
+  3   Minutes high    0-5
+
+  4   Hour low        0-9
+  5   Hour high       0-2
+
+  6   Day low         0-9
+  7   Day high        0-3
+
+  8   Month           1-C (0xC is December, 12th month)
+
+  9   Year ones       0-9
+  A   Year tens       0-9
+  B   Year High       9-B  (9=19xx, A=20xx, B=21xx)
+
+  C   Day of week     0-6  (0=Sunday, 1=Monday,...,6=Saturday)
+
+***/
+
+typedef struct
+{
+    bool8 needs_init;
+    bool8 count_enable;	// Does RTC mark time or is it frozen
+    uint8 data [MAX_RTC_INDEX+1];
+    int8  index;
+    uint8 mode;
+
+    time_t system_timestamp;	// Of latest RTC load time
+    uint32 pad;
+} SRTC_DATA;
+
+extern SRTC_DATA           rtc;
+
+void    S9xUpdateSrtcTime ();
+void	S9xSetSRTC (uint8 data, uint16 Address);
+uint8	S9xGetSRTC (uint16 Address);
+void	S9xSRTCPreSaveState ();
+void	S9xSRTCPostLoadState ();
+void	S9xResetSRTC ();
+void	S9xHardResetSRTC ();
+
+#define SRTC_SRAM_PAD (4 + 8 + 1 + MAX_RTC_INDEX)
+
+#endif	// _srtc_h
+