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melonDS
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convert RTC to OOP

This commit is contained in:
Arisotura 2023-11-03 21:20:09 +01:00
parent 440b356674
commit e4f4e94694
6 changed files with 138 additions and 109 deletions
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23
src/NDS.cpp
View File

@ -179,6 +179,7 @@ u16 KeyCnt[2];
u16 RCnt;
SPIHost* SPI;
class RTC* RTC;
bool Running;
@ -218,12 +219,12 @@ bool Init()
DMAs[7] = new DMA(1, 3);
SPI = new SPIHost();
RTC = new class RTC();
if (!NDSCart::Init()) return false;
if (!GBACart::Init()) return false;
if (!GPU::Init()) return false;
if (!SPU::Init()) return false;
if (!RTC::Init()) return false;
if (!Wifi::Init()) return false;
if (!DSi::Init()) return false;
@ -254,11 +255,13 @@ void DeInit()
delete SPI;
SPI = nullptr;
delete RTC;
RTC = nullptr;
NDSCart::DeInit();
GBACart::DeInit();
GPU::DeInit();
SPU::DeInit();
RTC::DeInit();
Wifi::DeInit();
DSi::DeInit();
@ -647,7 +650,7 @@ void Reset()
GPU::Reset();
SPU::Reset();
SPI->Reset();
RTC::Reset();
RTC->Reset();
Wifi::Reset();
// TODO: move the SOUNDBIAS/degrade logic to SPU?
@ -849,7 +852,7 @@ bool DoSavestate(Savestate* file)
GPU::DoSavestate(file);
SPU::DoSavestate(file);
SPI->DoSavestate(file);
RTC::DoSavestate(file);
RTC->DoSavestate(file);
Wifi::DoSavestate(file);
if (ConsoleType == 1)
@ -3866,7 +3869,7 @@ u8 ARM7IORead8(u32 addr)
case 0x04000136: return (KeyInput >> 16) & 0xFF;
case 0x04000137: return KeyInput >> 24;
case 0x04000138: return RTC::Read() & 0xFF;
case 0x04000138: return RTC->Read() & 0xFF;
case 0x040001A2:
if (ExMemCnt[0] & (1<<11))
@ -3957,7 +3960,7 @@ u16 ARM7IORead16(u32 addr)
case 0x04000134: return RCnt;
case 0x04000136: return KeyInput >> 16;
case 0x04000138: return RTC::Read();
case 0x04000138: return RTC->Read();
case 0x04000180: return IPCSync7;
case 0x04000184:
@ -4047,7 +4050,7 @@ u32 ARM7IORead32(u32 addr)
case 0x04000130: return (KeyInput & 0xFFFF) | (KeyCnt[1] << 16);
case 0x04000134: return RCnt | (KeyInput & 0xFFFF0000);
case 0x04000138: return RTC::Read();
case 0x04000138: return RTC->Read();
case 0x04000180: return IPCSync7;
case 0x04000184: return ARM7IORead16(addr);
@ -4139,7 +4142,7 @@ void ARM7IOWrite8(u32 addr, u8 val)
RCnt = (RCnt & 0x00FF) | (val << 8);
return;
case 0x04000138: RTC::Write(val, true); return;
case 0x04000138: RTC->Write(val, true); return;
case 0x04000188:
ARM7IOWrite32(addr, val | (val << 8) | (val << 16) | (val << 24));
@ -4227,7 +4230,7 @@ void ARM7IOWrite16(u32 addr, u16 val)
case 0x04000132: KeyCnt[1] = val; return;
case 0x04000134: RCnt = val; return;
case 0x04000138: RTC::Write(val, false); return;
case 0x04000138: RTC->Write(val, false); return;
case 0x04000180:
IPCSync9 &= 0xFFF0;
@ -4395,7 +4398,7 @@ void ARM7IOWrite32(u32 addr, u32 val)
case 0x04000130: KeyCnt[1] = val >> 16; return;
case 0x04000134: RCnt = val & 0xFFFF; return;
case 0x04000138: RTC::Write(val & 0xFFFF, false); return;
case 0x04000138: RTC->Write(val & 0xFFFF, false); return;
case 0x04000180:
case 0x04000184:

2
src/NDS.h
View File

@ -31,6 +31,7 @@
//#define DEBUG_CHECK_DESYNC
class SPIHost;
class RTC;
namespace NDS
{
@ -249,6 +250,7 @@ extern u32 KeyInput;
extern u16 RCnt;
extern SPIHost* SPI;
extern class RTC* RTC;
const u32 ARM7WRAMSize = 0x10000;
extern u8* ARM7WRAM;

93
src/RTC.cpp
View File

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

93
src/RTC.h
View File

@ -22,11 +22,12 @@
#include "types.h"
#include "Savestate.h"
namespace RTC
class RTC
{
public:
struct StateData
{
struct StateData
{
u8 StatusReg1;
u8 StatusReg2;
u8 DateTime[7];
@ -43,25 +44,73 @@ struct StateData
u8 FOUT2;
u8 AlarmDate1[3];
u8 AlarmDate2[3];
};
RTC();
~RTC();
void Reset();
void DoSavestate(Savestate* file);
void GetState(StateData& state);
void SetState(StateData& state);
void GetDateTime(int& year, int& month, int& day, int& hour, int& minute, int& second);
void SetDateTime(int year, int month, int day, int hour, int minute, int second);
void ClockTimer(u32 param);
u16 Read();
void Write(u16 val, bool byte);
private:
/// This value represents the Nintendo DS IO register,
/// \em not the value of the system's clock.
/// The actual system time is taken directly from the host.
u16 IO;
u8 Input;
u32 InputBit;
u32 InputPos;
u8 Output[8];
u32 OutputBit;
u32 OutputPos;
u8 CurCmd;
StateData State;
s32 TimerError;
u32 ClockCount;
void ResetState();
void ScheduleTimer(bool first);
u8 BCD(u8 val);
u8 FromBCD(u8 val);
u8 BCDIncrement(u8 val);
u8 BCDSanitize(u8 val, u8 vmin, u8 vmax);
void SetIRQ(u8 irq);
void ClearIRQ(u8 irq);
void ProcessIRQ(int type);
u8 DaysInMonth();
void CountYear();
void CountMonth();
void CheckEndOfMonth();
void CountDay();
void CountHour();
void CountMinute();
void CountSecond();
void WriteDateTime(int num, u8 val);
void SaveDateTime();
void CmdRead();
void CmdWrite(u8 val);
void ByteIn(u8 val);
};
bool Init();
void DeInit();
void Reset();
void DoSavestate(Savestate* file);
void GetState(StateData& state);
void SetState(StateData& state);
void GetDateTime(int& year, int& month, int& day, int& hour, int& minute, int& second);
void SetDateTime(int year, int month, int day, int hour, int minute, int second);
void ResetState();
void ScheduleTimer(bool first);
void ClockTimer(u32 param);
u16 Read();
void Write(u16 val, bool byte);
}
#endif

2
src/frontend/qt_sdl/ROMManager.cpp
View File

@ -597,7 +597,7 @@ void SetDateTime()
QDateTime hosttime = QDateTime::currentDateTime();
QDateTime time = hosttime.addSecs(Config::RTCOffset);
RTC::SetDateTime(time.date().year(), time.date().month(), time.date().day(),
NDS::RTC->SetDateTime(time.date().year(), time.date().month(), time.date().day(),
time.time().hour(), time.time().minute(), time.time().second());
}

4
src/frontend/qt_sdl/main.cpp
View File

@ -361,7 +361,7 @@ void EmuThread::run()
RTC::StateData state;
Platform::FileRead(&state, sizeof(state), 1, file);
Platform::CloseFile(file);
RTC::SetState(state);
NDS::RTC->SetState(state);
}
char melontitle[100];
@ -666,7 +666,7 @@ void EmuThread::run()
if (file)
{
RTC::StateData state;
RTC::GetState(state);
NDS::RTC->GetState(state);
Platform::FileWrite(&state, sizeof(state), 1, file);
Platform::CloseFile(file);
}