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CDROM: Jump to seek target on pause while seeking

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Fixes music in No Fear Downhill Mountain Biking, but needs more hardware
tests to confirm the behavior here.
This commit is contained in:
Connor McLaughlin 2021-04-21 01:44:29 +10:00
parent 52934aa563
commit e64f8cc2c5
2 changed files with 20 additions and 7 deletions
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25
src/core/cdrom.cpp
View file

@ -1068,18 +1068,21 @@ void CDROM::ExecuteCommand()
case Command::Pause: case Command::Pause:
{ {
if (m_secondary_status.seeking) const bool was_reading = (m_drive_state == DriveState::Reading || m_drive_state == DriveState::Playing);
const TickCount pause_time = was_reading ? (m_mode.double_speed ? 2000000 : 1000000) : 7000;
if (m_drive_state == DriveState::SeekingLogical || m_drive_state == DriveState::SeekingPhysical)
{ {
// TODO: On console, this returns an error. But perhaps only during the coarse/fine seek part? Needs more // TODO: On console, this returns an error. But perhaps only during the coarse/fine seek part? Needs more
// hardware tests. // hardware tests.
Log_WarningPrintf("CDROM Pause command while seeking - updating position"); Log_WarningPrintf("CDROM Pause command while seeking from %u to %u - jumping to seek target", m_seek_start_lba,
UpdatePositionWhileSeeking(); m_seek_end_lba);
m_drive_event->Deactivate(); m_drive_event->Deactivate();
m_read_after_seek = false;
m_play_after_seek = false;
CompleteSeek();
} }
// TODO: Should return an error if seeking.
const bool was_reading = (m_drive_state == DriveState::Reading || m_drive_state == DriveState::Playing);
const TickCount pause_time = was_reading ? (m_mode.double_speed ? 2000000 : 1000000) : 7000;
Log_DebugPrintf("CDROM pause command"); Log_DebugPrintf("CDROM pause command");
SendACKAndStat(); SendACKAndStat();
@ -1553,6 +1556,8 @@ void CDROM::BeginSeeking(bool logical, bool read_after_seek, bool play_after_see
m_read_after_seek = read_after_seek; m_read_after_seek = read_after_seek;
m_play_after_seek = play_after_seek; m_play_after_seek = play_after_seek;
// TODO: Pending should stay set on seek command.
m_setloc_pending = false; m_setloc_pending = false;
Log_DebugPrintf("Seeking to [%02u:%02u:%02u] (LBA %u) (%s)", m_setloc_position.minute, m_setloc_position.second, Log_DebugPrintf("Seeking to [%02u:%02u:%02u] (LBA %u) (%s)", m_setloc_position.minute, m_setloc_position.second,
@ -1711,7 +1716,7 @@ void CDROM::DoResetComplete(TickCount ticks_late)
} }
} }
void CDROM::DoSeekComplete(TickCount ticks_late) bool CDROM::CompleteSeek()
{ {
const bool logical = (m_drive_state == DriveState::SeekingLogical); const bool logical = (m_drive_state == DriveState::SeekingLogical);
m_drive_state = DriveState::Idle; m_drive_state = DriveState::Idle;
@ -1767,7 +1772,13 @@ void CDROM::DoSeekComplete(TickCount ticks_late)
m_current_lba = m_reader.GetLastReadSector(); m_current_lba = m_reader.GetLastReadSector();
ResetPhysicalPosition(); ResetPhysicalPosition();
return seek_okay;
}
void CDROM::DoSeekComplete(TickCount ticks_late)
{
const bool logical = (m_drive_state == DriveState::SeekingLogical);
const bool seek_okay = CompleteSeek();
if (seek_okay) if (seek_okay)
{ {
// seek complete, transition to play/read if requested // seek complete, transition to play/read if requested

2
src/core/cdrom.h
View file

@ -264,6 +264,8 @@ private:
TickCount GetTicksForSeek(CDImage::LBA new_lba); TickCount GetTicksForSeek(CDImage::LBA new_lba);
TickCount GetTicksForStop(bool motor_was_on); TickCount GetTicksForStop(bool motor_was_on);
CDImage::LBA GetNextSectorToBeRead(); CDImage::LBA GetNextSectorToBeRead();
bool CompleteSeek();
void BeginCommand(Command command); // also update status register void BeginCommand(Command command); // also update status register
void EndCommand(); // also updates status register void EndCommand(); // also updates status register
void AbortCommand(); void AbortCommand();