mirror of https://github.com/bsnes-emu/bsnes.git
92 lines
1.4 KiB
C++
92 lines
1.4 KiB
C++
//Epson RTC-4513 Real-Time Clock
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struct EpsonRTC : Coprocessor {
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static void Enter();
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void enter();
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void init();
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void load();
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void unload();
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void power();
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void reset();
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void sync();
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uint8 read(unsigned addr);
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void write(unsigned addr, uint8 data);
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void serialize(serializer&);
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uint21 clocks;
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unsigned seconds;
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uint2 chipselect;
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enum class State : unsigned { Mode, Seek, Read, Write } state;
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uint4 mdr;
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uint4 offset;
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unsigned wait;
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uint1 ready;
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uint1 holdtick;
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uint4 secondlo;
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uint3 secondhi;
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uint1 batteryfailure;
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uint4 minutelo;
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uint3 minutehi;
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uint1 resync;
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uint4 hourlo;
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uint2 hourhi;
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uint1 meridian;
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uint4 daylo;
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uint2 dayhi;
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uint1 dayram;
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uint4 monthlo;
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uint1 monthhi;
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uint2 monthram;
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uint4 yearlo;
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uint4 yearhi;
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uint3 weekday;
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uint1 hold;
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uint1 calendar;
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uint1 irqflag;
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uint1 roundseconds;
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uint1 irqmask;
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uint1 irqduty;
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uint2 irqperiod;
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uint1 pause;
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uint1 stop;
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uint1 atime; //astronomical time (24-hour mode)
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uint1 test;
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//memory.cpp
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void rtc_reset();
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uint4 rtc_read(uint4 addr);
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void rtc_write(uint4 addr, uint4 data);
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void load(const uint8* data);
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void save(uint8* data);
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//time.cpp
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void irq(uint2 period);
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void duty();
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void round_seconds();
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void tick();
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void tick_second();
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void tick_minute();
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void tick_hour();
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void tick_day();
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void tick_month();
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void tick_year();
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};
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extern EpsonRTC epsonrtc;
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