mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-05 21:39:47 -06:00
convert RTC to OOP
This commit is contained in:
Arisotura
93
src/RTC.cpp
93
src/RTC.cpp
@ -24,52 +24,29 @@
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using Platform::Log;
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using Platform::LogLevel;
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namespace RTC
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{
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/// This value represents the Nintendo DS IO register,
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/// \em not the value of the system's clock.
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/// The actual system time is taken directly from the host.
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u16 IO;
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u8 Input;
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u32 InputBit;
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u32 InputPos;
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u8 Output[8];
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u32 OutputBit;
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u32 OutputPos;
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u8 CurCmd;
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StateData State;
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s32 TimerError;
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u32 ClockCount;
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void WriteDateTime(int num, u8 val);
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bool Init()
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RTC::RTC()
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{
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NDS::RegisterEventFunc(NDS::Event_RTC, 0, ClockTimer);
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NDS::RegisterEventFunc(NDS::Event_RTC, 0, MemberEventFunc(RTC, ClockTimer));
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ResetState();
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// indicate the power was off
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// this will be changed if a previously saved RTC state is loaded
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State.StatusReg1 = 0x80;
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return true;
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}
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void DeInit()
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RTC::~RTC()
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{
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NDS::UnregisterEventFunc(NDS::Event_RTC, 0);
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}
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void Reset()
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void RTC::Reset()
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{
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Input = 0;
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InputBit = 0;
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@ -84,7 +61,7 @@ void Reset()
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ScheduleTimer(true);
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}
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void DoSavestate(Savestate* file)
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void RTC::DoSavestate(Savestate* file)
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{
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file->Section("RTC.");
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@ -107,17 +84,17 @@ void DoSavestate(Savestate* file)
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}
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u8 BCD(u8 val)
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u8 RTC::BCD(u8 val)
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{
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return (val % 10) | ((val / 10) << 4);
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}
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u8 FromBCD(u8 val)
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u8 RTC::FromBCD(u8 val)
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{
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return (val & 0xF) + ((val >> 4) * 10);
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}
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u8 BCDIncrement(u8 val)
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u8 RTC::BCDIncrement(u8 val)
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{
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val++;
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if ((val & 0x0F) >= 0x0A)
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@ -127,7 +104,7 @@ u8 BCDIncrement(u8 val)
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return val;
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}
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u8 BCDSanitize(u8 val, u8 vmin, u8 vmax)
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u8 RTC::BCDSanitize(u8 val, u8 vmin, u8 vmax)
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{
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if (val < vmin || val > vmax)
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val = vmin;
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@ -140,12 +117,12 @@ u8 BCDSanitize(u8 val, u8 vmin, u8 vmax)
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}
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void GetState(StateData& state)
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void RTC::GetState(StateData& state)
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{
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memcpy(&state, &State, sizeof(State));
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}
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void SetState(StateData& state)
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void RTC::SetState(StateData& state)
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{
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memcpy(&State, &state, sizeof(State));
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@ -155,7 +132,7 @@ void SetState(StateData& state)
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WriteDateTime(i+1, State.DateTime[i]);
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}
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void GetDateTime(int& year, int& month, int& day, int& hour, int& minute, int& second)
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void RTC::GetDateTime(int& year, int& month, int& day, int& hour, int& minute, int& second)
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{
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year = FromBCD(State.DateTime[0]);
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year += 2000;
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@ -176,7 +153,7 @@ void GetDateTime(int& year, int& month, int& day, int& hour, int& minute, int& s
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second = FromBCD(State.DateTime[6] & 0x7F);
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}
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void SetDateTime(int year, int month, int day, int hour, int minute, int second)
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void RTC::SetDateTime(int year, int month, int day, int hour, int minute, int second)
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{
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int monthdays[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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@ -226,7 +203,7 @@ void SetDateTime(int year, int month, int day, int hour, int minute, int second)
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State.StatusReg1 &= ~0x80;
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}
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void ResetState()
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void RTC::ResetState()
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{
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memset(&State, 0, sizeof(State));
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State.DateTime[1] = 1;
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@ -234,7 +211,7 @@ void ResetState()
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}
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void SetIRQ(u8 irq)
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void RTC::SetIRQ(u8 irq)
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{
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u8 oldstat = State.IRQFlag;
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State.IRQFlag |= irq;
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@ -250,12 +227,12 @@ void SetIRQ(u8 irq)
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}
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}
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void ClearIRQ(u8 irq)
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void RTC::ClearIRQ(u8 irq)
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{
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State.IRQFlag &= ~irq;
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}
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void ProcessIRQ(int type) // 0=minute carry 1=periodic 2=status reg write
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void RTC::ProcessIRQ(int type) // 0=minute carry 1=periodic 2=status reg write
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{
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// INT1
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@ -395,7 +372,7 @@ void ProcessIRQ(int type) // 0=minute carry 1=periodic 2=status reg write
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}
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u8 DaysInMonth()
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u8 RTC::DaysInMonth()
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{
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u8 numdays;
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@ -438,12 +415,12 @@ u8 DaysInMonth()
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return numdays;
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}
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void CountYear()
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void RTC::CountYear()
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{
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State.DateTime[0] = BCDIncrement(State.DateTime[0]);
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}
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void CountMonth()
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void RTC::CountMonth()
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{
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State.DateTime[1] = BCDIncrement(State.DateTime[1]);
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if (State.DateTime[1] > 0x12)
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@ -453,7 +430,7 @@ void CountMonth()
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}
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}
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void CheckEndOfMonth()
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void RTC::CheckEndOfMonth()
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{
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if (State.DateTime[2] > DaysInMonth())
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{
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@ -462,7 +439,7 @@ void CheckEndOfMonth()
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}
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}
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void CountDay()
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void RTC::CountDay()
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{
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// day-of-week counter
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State.DateTime[3]++;
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@ -474,7 +451,7 @@ void CountDay()
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CheckEndOfMonth();
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}
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void CountHour()
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void RTC::CountHour()
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{
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u8 hour = BCDIncrement(State.DateTime[4] & 0x3F);
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u8 pm = State.DateTime[4] & 0x40;
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@ -506,7 +483,7 @@ void CountHour()
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State.DateTime[4] = hour | pm;
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}
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void CountMinute()
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void RTC::CountMinute()
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{
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State.MinuteCount++;
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State.DateTime[5] = BCDIncrement(State.DateTime[5]);
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@ -520,7 +497,7 @@ void CountMinute()
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ProcessIRQ(0);
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}
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void CountSecond()
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void RTC::CountSecond()
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{
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State.DateTime[6] = BCDIncrement(State.DateTime[6]);
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if (State.DateTime[6] >= 0x60)
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@ -531,7 +508,7 @@ void CountSecond()
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}
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void ScheduleTimer(bool first)
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void RTC::ScheduleTimer(bool first)
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{
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if (first) TimerError = 0;
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@ -544,7 +521,7 @@ void ScheduleTimer(bool first)
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NDS::ScheduleEvent(NDS::Event_RTC, !first, delay, 0, 0);
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}
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void ClockTimer(u32 param)
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void RTC::ClockTimer(u32 param)
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{
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ClockCount++;
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@ -565,7 +542,7 @@ void ClockTimer(u32 param)
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}
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void WriteDateTime(int num, u8 val)
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void RTC::WriteDateTime(int num, u8 val)
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{
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switch (num)
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{
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@ -619,14 +596,14 @@ void WriteDateTime(int num, u8 val)
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}
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}
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void SaveDateTime()
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void RTC::SaveDateTime()
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{
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int y, m, d, h, i, s;
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GetDateTime(y, m, d, h, i, s);
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Platform::WriteDateTime(y, m, d, h, i, s);
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}
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void CmdRead()
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void RTC::CmdRead()
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{
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if ((CurCmd & 0x0F) == 0x06)
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{
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@ -704,7 +681,7 @@ void CmdRead()
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Log(LogLevel::Debug, "RTC: unknown read command %02X\n", CurCmd);
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}
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void CmdWrite(u8 val)
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void RTC::CmdWrite(u8 val)
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{
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if ((CurCmd & 0x0F) == 0x06)
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{
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@ -861,7 +838,7 @@ void CmdWrite(u8 val)
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Log(LogLevel::Debug, "RTC: unknown write command %02X\n", CurCmd);
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}
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void ByteIn(u8 val)
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void RTC::ByteIn(u8 val)
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{
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if (InputPos == 0)
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{
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@ -895,13 +872,13 @@ void ByteIn(u8 val)
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}
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u16 Read()
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u16 RTC::Read()
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{
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//printf("RTC READ %04X\n", IO);
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return IO;
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}
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void Write(u16 val, bool byte)
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void RTC::Write(u16 val, bool byte)
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{
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if (byte) val |= (IO & 0xFF00);
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@ -963,5 +940,3 @@ void Write(u16 val, bool byte)
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else
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IO = (IO & 0x0001) | (val & 0xFFFE);
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}
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}
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