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#include "../copyright"
#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
{
bool needs_init;
bool count_enable; // Does RTC mark time or is it frozen
uint8_t data [MAX_RTC_INDEX + 1];
int8_t index;
uint8_t mode;
time_t system_timestamp; // Of latest RTC load time
uint32_t pad;
} SRTC_DATA;
extern SRTC_DATA rtc;
void S9xUpdateSrtcTime();
void S9xSetSRTC(uint8_t data, uint16_t Address);
uint8_t S9xGetSRTC(uint16_t 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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