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Diffstat (limited to 'src/srtc.h')
| -rw-r--r-- | src/srtc.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/srtc.h b/src/srtc.h new file mode 100644 index 0000000..a4e8abf --- /dev/null +++ b/src/srtc.h @@ -0,0 +1,110 @@ +/* + * 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_ + +#if !defined(_SNESPPC) && !defined(__GIZ__) && !defined(__GP2X__) && !defined(__WIZ__) +#include <time.h> +#endif + +#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 |