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CDROM: Don't crash when booting the BIOS without media

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This commit is contained in:
Connor McLaughlin 2019-09-30 01:08:17 +10:00
parent c4574027e0
commit 53ff458754
1 changed files with 7 additions and 1 deletions
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8
src/pse/cdrom.cpp
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@ -128,6 +128,12 @@ u8 CDROM::ReadRegister(u32 offset)
case 1: // always response FIFO
{
if (m_response_fifo.IsEmpty())
{
Log_DebugPrintf("Response FIFO empty on read");
return 0xFF;
}
const u8 value = m_response_fifo.Pop();
UpdateStatusRegister();
Log_DebugPrintf("CDROM read response FIFO <- 0x%08X", ZeroExtend32(value));
@ -749,7 +755,7 @@ void CDROM::DoSectorRead()
// return;
}
Log_DebugPrintf("Reading sector %llu", m_media->GetCurrentLBA());
Log_DevPrintf("Reading sector %llu", m_media->GetCurrentLBA());
// TODO: Error handling
// TODO: Sector buffer should be two sectors?