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CDROM: Simulate the time it takes to change speeds

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This commit is contained in:
Connor McLaughlin
2021-06-14 14:55:37 +10:00
parent db5be6c70c
commit f4da56efea
2 changed files with 116 additions and 35 deletions
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11
src/core/cdrom.h
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@ -153,7 +153,8 @@ private:
UNUSED_Stopping,
ChangingSession,
SpinningUp,
SeekingImplicit
SeekingImplicit,
ChangingSpeedOrTOCRead
};
union StatusRegister
@ -225,7 +226,7 @@ private:
BitField<u8, bool, 7, 1> BFRD;
};
void SoftReset();
void SoftReset(TickCount ticks_late);
ALWAYS_INLINE bool IsDriveIdle() const { return m_drive_state == DriveState::Idle; }
ALWAYS_INLINE bool IsMotorOn() const { return m_secondary_status.motor_on; }
@ -271,8 +272,10 @@ private:
TickCount GetTicksForSpinUp();
TickCount GetTicksForIDRead();
TickCount GetTicksForRead();
TickCount GetTicksForSeek(CDImage::LBA new_lba);
TickCount GetTicksForSeek(CDImage::LBA new_lba, bool ignore_speed_change = false);
TickCount GetTicksForStop(bool motor_was_on);
TickCount GetTicksForSpeedChange();
TickCount GetTicksForTOCRead();
CDImage::LBA GetNextSectorToBeRead();
bool CompleteSeek();
@ -294,6 +297,7 @@ private:
void DoStatSecondResponse();
void DoChangeSessionComplete();
void DoSpinUpComplete();
void DoSpeedChangeOrImplicitTOCReadComplete();
void DoIDRead();
void DoSectorRead();
void ProcessDataSectorHeader(const u8* raw_sector);
@ -327,7 +331,6 @@ private:
StatusRegister m_status = {};
SecondaryStatusRegister m_secondary_status = {};
ModeRegister m_mode = {};
bool m_current_double_speed = false;
u8 m_interrupt_enable_register = INTERRUPT_REGISTER_MASK;
u8 m_interrupt_flag_register = 0;