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CDROM: Play audio when reading and mode.0 is set

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This commit is contained in:
Connor McLaughlin 2020-07-22 15:23:13 +10:00
parent e9db1d0f6f
commit 10cd00c8dd
1 changed files with 34 additions and 29 deletions
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63
src/core/cdrom.cpp
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@ -1959,7 +1959,8 @@ void CDROM::DoSectorRead()
{
ProcessDataSector(m_reader.GetSectorBuffer().data(), subq);
}
else if (!is_data_sector && m_drive_state == DriveState::Playing)
else if (!is_data_sector &&
(m_drive_state == DriveState::Playing || (m_drive_state == DriveState::Reading && m_mode.cdda)))
{
ProcessCDDASector(m_reader.GetSectorBuffer().data(), subq);
}
@ -2233,39 +2234,43 @@ void CDROM::ProcessCDDASector(const u8* raw_sector, const CDImage::SubChannelQ&
{
// For CDDA sectors, the whole sector contains the audio data.
Log_DevPrintf("Read sector %u as CDDA", m_current_lba);
m_secondary_status.playing_cdda = true;
if (m_mode.report_audio)
// These bits/reporting doesn't happen if we're reading with the CDDA mode bit set.
if (m_drive_state == DriveState::Playing)
{
const u8 frame_nibble = subq.absolute_frame_bcd >> 4;
if (m_last_cdda_report_frame_nibble != frame_nibble)
m_secondary_status.playing_cdda = true;
if (m_mode.report_audio)
{
m_last_cdda_report_frame_nibble = frame_nibble;
Log_DebugPrintf("CDDA report at track[%02x] index[%02x] rel[%02x:%02x:%02x]", subq.track_number_bcd,
subq.index_number_bcd, subq.relative_minute_bcd, subq.relative_second_bcd,
subq.relative_frame_bcd);
ClearAsyncInterrupt();
m_async_response_fifo.Push(m_secondary_status.bits);
m_async_response_fifo.Push(subq.track_number_bcd);
m_async_response_fifo.Push(subq.index_number_bcd);
if (subq.absolute_frame_bcd & 0x10)
const u8 frame_nibble = subq.absolute_frame_bcd >> 4;
if (m_last_cdda_report_frame_nibble != frame_nibble)
{
m_async_response_fifo.Push(subq.relative_minute_bcd);
m_async_response_fifo.Push(0x80 | subq.relative_second_bcd);
m_async_response_fifo.Push(subq.relative_frame_bcd);
}
else
{
m_async_response_fifo.Push(subq.absolute_minute_bcd);
m_async_response_fifo.Push(subq.absolute_second_bcd);
m_async_response_fifo.Push(subq.absolute_frame_bcd);
}
m_last_cdda_report_frame_nibble = frame_nibble;
m_async_response_fifo.Push(0); // peak low
m_async_response_fifo.Push(0); // peak high
SetAsyncInterrupt(Interrupt::DataReady);
Log_DebugPrintf("CDDA report at track[%02x] index[%02x] rel[%02x:%02x:%02x]", subq.track_number_bcd,
subq.index_number_bcd, subq.relative_minute_bcd, subq.relative_second_bcd,
subq.relative_frame_bcd);
ClearAsyncInterrupt();
m_async_response_fifo.Push(m_secondary_status.bits);
m_async_response_fifo.Push(subq.track_number_bcd);
m_async_response_fifo.Push(subq.index_number_bcd);
if (subq.absolute_frame_bcd & 0x10)
{
m_async_response_fifo.Push(subq.relative_minute_bcd);
m_async_response_fifo.Push(0x80 | subq.relative_second_bcd);
m_async_response_fifo.Push(subq.relative_frame_bcd);
}
else
{
m_async_response_fifo.Push(subq.absolute_minute_bcd);
m_async_response_fifo.Push(subq.absolute_second_bcd);
m_async_response_fifo.Push(subq.absolute_frame_bcd);
}
m_async_response_fifo.Push(0); // peak low
m_async_response_fifo.Push(0); // peak high
SetAsyncInterrupt(Interrupt::DataReady);
}
}
}