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CDROM: Deliver data interrupt asynchronously

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Prevents FMVs locking up when a command is being executed during a
sector read.
This commit is contained in:
Connor McLaughlin
2019-10-26 17:41:37 +10:00
parent 27674c2dc9
commit b4f2bf4d3c
2 changed files with 44 additions and 12 deletions
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5
src/core/cdrom.h
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@ -160,7 +160,10 @@ private:
void SoftReset();
bool HasPendingInterrupt() const { return m_interrupt_flag_register != 0; }
bool HasPendingAsyncInterrupt() const { return m_pending_async_interrupt != 0; }
void SetInterrupt(Interrupt interrupt);
void SetAsyncInterrupt(Interrupt interrupt);
void DeliverAsyncInterrupt();
void SendACKAndStat();
void SendErrorResponse(u8 reason = 0x80);
void UpdateStatusRegister();
@ -201,6 +204,7 @@ private:
u8 m_interrupt_enable_register = INTERRUPT_REGISTER_MASK;
u8 m_interrupt_flag_register = 0;
u8 m_pending_async_interrupt = 0;
CDImage::Position m_pending_location = {};
bool m_location_pending = false;
@ -221,6 +225,7 @@ private:
InlineFIFOQueue<u8, PARAM_FIFO_SIZE> m_param_fifo;
InlineFIFOQueue<u8, RESPONSE_FIFO_SIZE> m_response_fifo;
InlineFIFOQueue<u8, RESPONSE_FIFO_SIZE> m_async_response_fifo;
HeapFIFOQueue<u8, DATA_FIFO_SIZE> m_data_fifo;
std::vector<u8> m_sector_buffer;
};