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CDROM: Implement get version and getstat commands

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This commit is contained in:
Connor McLaughlin
2019-09-17 22:18:58 +10:00
parent b951f27381
commit e3c6035152
8 changed files with 159 additions and 12 deletions
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63
src/pse/cdrom.h
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@ -31,8 +31,56 @@ private:
static constexpr u32 NUM_INTERRUPTS = 32;
static constexpr u8 INTERRUPT_REGISTER_MASK = 0x1F;
enum class Interrupt : u8
{
INT1 = 0x01,
INT2 = 0x02,
INT3 = 0x03,
INT4 = 0x04,
INT5 = 0x05
};
enum class Command : u8
{
Sync = 0x00,
Getstat = 0x01,
Setloc = 0x02,
Play = 0x03,
Forward = 0x04,
Backward = 0x05,
ReadN = 0x06,
MotorOn = 0x07,
Stop = 0x08,
Pause = 0x09,
Init = 0x0A,
Mute = 0x0B,
Demute = 0x0C,
Setfilter = 0x0D,
Setmode = 0x0E,
Getparam = 0x0F,
GetlocL = 0x10,
GetlocP = 0x11,
SetSession = 0x12,
GetTN = 0x13,
GetTD = 0x14,
SeekL = 0x15,
SeekP = 0x16,
SetClock = 0x17,
GetClock = 0x18,
Test = 0x19,
GetID = 0x1A,
ReadS = 0x1B,
Reset = 0x1C,
GetQ = 0x1D,
ReadTOC = 0x1E,
VideoCD = 0x1F,
};
bool HasPendingInterrupt() const { return m_interrupt_flag_register != 0; }
void WriteCommand(u8 command);
void SetInterrupt(Interrupt interrupt);
void UpdateStatusRegister();
void ExecuteCommand(Command command);
void ExecuteTestCommand(u8 subcommand);
DMA* m_dma;
InterruptController* m_interrupt_controller;
@ -56,6 +104,19 @@ private:
BitField<u8, bool, 7, 1> BUSYSTS;
} m_status = {};
union
{
u8 bits;
BitField<u8, bool, 0, 1> error;
BitField<u8, bool, 1, 1> motor_on;
BitField<u8, bool, 2, 1> seek_error;
BitField<u8, bool, 3, 1> id_error;
BitField<u8, bool, 4, 1> shell_open;
BitField<u8, bool, 5, 1> reading;
BitField<u8, bool, 6, 1> seeking;
BitField<u8, bool, 7, 1> playing_cdda;
} m_secondary_status = {};
u8 m_interrupt_enable_register = INTERRUPT_REGISTER_MASK;
u8 m_interrupt_flag_register = 0;