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/*
* Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
*
* (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
* Jerremy Koot (jkoot@snes9x.com)
*
* Super FX C emulator code
* (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
* Gary Henderson.
* Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
*
* DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
* C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
* C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
*
* DOS port code 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_32 needs_init;
bool8_32 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
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