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CDROM: Implement CDDA playback

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This commit is contained in:
Connor McLaughlin
2019-10-20 15:55:23 +10:00
parent 1cc3e4d5f2
commit 03e4c71b4c
2 changed files with 137 additions and 55 deletions
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19
src/core/cdrom.h
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@ -112,13 +112,6 @@ private:
WaitForIRQClear
};
struct Loc
{
u8 minute;
u8 second;
u8 frame;
};
union StatusRegister
{
u8 bits;
@ -142,6 +135,8 @@ private:
BitField<u8, bool, 5, 1> reading;
BitField<u8, bool, 6, 1> seeking;
BitField<u8, bool, 7, 1> playing_cdda;
bool IsReadingOrPlaying() const { return reading || playing_cdda; }
};
union ModeRegister
@ -180,9 +175,11 @@ private:
void EndCommand(); // also updates status register
void ExecuteCommand();
void ExecuteTestCommand(u8 subcommand);
void BeginReading();
void BeginReading(bool cdda);
void DoSectorRead();
void ProcessDataSector();
void ProcessXAADPCMSector();
void ProcessCDDASector();
void StopReading();
void LoadDataFIFO();
@ -198,8 +195,8 @@ private:
TickCount m_command_remaining_ticks = 0;
TickCount m_sector_read_remaining_ticks = 0;
bool m_reading = false;
bool m_muted = false;
bool m_adpcm_muted = false;
StatusRegister m_status = {};
SecondaryStatusRegister m_secondary_status = {};
@ -208,8 +205,8 @@ private:
u8 m_interrupt_enable_register = INTERRUPT_REGISTER_MASK;
u8 m_interrupt_flag_register = 0;
CDImage::Position m_setloc = {};
bool m_setloc_dirty = false;
CDImage::Position m_pending_location = {};
bool m_location_pending = false;
u8 m_filter_file_number = 0;
u8 m_filter_channel_number = 0;