mirror of https://github.com/bsnes-emu/bsnes.git
91 lines
1.6 KiB
C++
91 lines
1.6 KiB
C++
//Epson RTC-4513 Real-Time Clock
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struct EpsonRTC : Thread {
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static auto Enter() -> void;
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auto main() -> void;
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auto init() -> void;
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auto load() -> void;
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auto unload() -> void;
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auto power() -> void;
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auto sync() -> void;
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auto read(uint24 addr, uint8 data) -> uint8;
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auto write(uint24 addr, uint8 data) -> void;
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auto serialize(serializer&) -> void;
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uint21 clocks;
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uint seconds;
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uint2 chipselect;
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enum class State : uint { Mode, Seek, Read, Write } state;
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uint4 mdr;
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uint4 offset;
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uint 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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auto rtcReset() -> void;
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auto rtcRead(uint4 addr) -> uint4;
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auto rtcWrite(uint4 addr, uint4 data) -> void;
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auto load(const uint8* data) -> void;
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auto save(uint8* data) -> void;
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//time.cpp
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auto irq(uint2 period) -> void;
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auto duty() -> void;
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auto roundSeconds() -> void;
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auto tick() -> void;
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auto tickSecond() -> void;
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auto tickMinute() -> void;
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auto tickHour() -> void;
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auto tickDay() -> void;
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auto tickMonth() -> void;
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auto tickYear() -> void;
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};
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extern EpsonRTC epsonrtc;
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