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CDROM: Cancel speed changes if they're not complete

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This commit is contained in:
Connor McLaughlin 2021-06-19 15:01:42 +10:00
parent b1776dea61
commit 2c19c7ce57
1 changed files with 24 additions and 13 deletions
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15
src/core/cdrom.cpp
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@ -1020,8 +1020,18 @@ void CDROM::ExecuteCommand(TickCount ticks_late)
SendACKAndStat(); SendACKAndStat();
EndCommand(); EndCommand();
if (speed_change && m_drive_state != DriveState::SeekingImplicit && if (speed_change)
m_drive_state != DriveState::ChangingSpeedOrTOCRead) {
if (m_drive_state == DriveState::ChangingSpeedOrTOCRead)
{
// cancel the speed change if it's less than a quarter complete
if (m_drive_event->GetTicksUntilNextExecution() >= (GetTicksForSpeedChange() / 4))
{
Log_DevPrintf("Cancelling speed change event");
ClearDriveState();
}
}
else if (m_drive_state != DriveState::SeekingImplicit)
{ {
// if we're seeking or reading, we need to add time to the current seek/read // if we're seeking or reading, we need to add time to the current seek/read
const TickCount change_ticks = GetTicksForSpeedChange(); const TickCount change_ticks = GetTicksForSpeedChange();
@ -1039,6 +1049,7 @@ void CDROM::ExecuteCommand(TickCount ticks_late)
m_drive_event->Schedule(change_ticks); m_drive_event->Schedule(change_ticks);
} }
} }
}
return; return;
} }