Settings: Add advanced option to set delay for max CD speedup

Affects both seeks and reads.

src/core/cdrom.cpp

@@ -75,7 +75,7 @@ enum : u32
 
 static constexpr u8 INTERRUPT_REGISTER_MASK = 0x1F;
 
-static constexpr TickCount INSTANT_SEEK_OR_READ_TICKS = 30000;
+static constexpr TickCount MIN_SEEK_TICKS = 30000;
 
 enum class Interrupt : u8
 {
@@ -1568,7 +1568,7 @@ u32 CDROM::GetSectorsPerTrack(CDImage::LBA lba)
 TickCount CDROM::GetTicksForSeek(CDImage::LBA new_lba, bool ignore_speed_change)
 {
   if (g_settings.cdrom_seek_speedup == 0)
-    return System::ScaleTicksToOverclock(INSTANT_SEEK_OR_READ_TICKS);
+    return System::ScaleTicksToOverclock(g_settings.cdrom_max_speedup_cycles);
 
   u32 ticks = 0;
 
@@ -1638,7 +1638,7 @@ TickCount CDROM::GetTicksForSeek(CDImage::LBA new_lba, bool ignore_speed_change)
   }
 
   if (g_settings.cdrom_seek_speedup > 1)
-    ticks = std::max<u32>(ticks / g_settings.cdrom_seek_speedup, INSTANT_SEEK_OR_READ_TICKS);
+    ticks = std::max<u32>(ticks / g_settings.cdrom_seek_speedup, MIN_SEEK_TICKS);
 
   if (s_state.drive_state == DriveState::ChangingSpeedOrTOCRead && !ignore_speed_change)
   {
@@ -1667,7 +1667,7 @@ TickCount CDROM::GetTicksForPause()
     return 7000;
 
   if (g_settings.cdrom_read_speedup == 0 && CanUseReadSpeedup())
-    return System::ScaleTicksToOverclock(INSTANT_SEEK_OR_READ_TICKS);
+    return System::ScaleTicksToOverclock(g_settings.cdrom_max_speedup_cycles);
 
   const u32 sectors_per_track = GetSectorsPerTrack(s_state.current_lba);
   const TickCount ticks_per_read = GetTicksForRead();
@@ -2813,7 +2813,7 @@ void CDROM::BeginSeeking(bool logical, bool read_after_seek, bool play_after_see
   {
     DEV_COLOR_LOG(StrongCyan, "Completing seek instantly due to not passing target {}.",
                   LBAToMSFString(seek_lba - SUBQ_SECTOR_SKEW));
-    seek_time = INSTANT_SEEK_OR_READ_TICKS;
+    seek_time = MIN_SEEK_TICKS;
   }
   else
   {
@@ -3901,7 +3901,7 @@ void CDROM::CheckForSectorBufferReadComplete()
       CanUseReadSpeedup() && g_settings.cdrom_read_speedup == 0)
   {
     const TickCount remaining_time = s_state.drive_event.GetTicksUntilNextExecution();
-    const TickCount instant_ticks = System::ScaleTicksToOverclock(INSTANT_SEEK_OR_READ_TICKS);
+    const TickCount instant_ticks = System::ScaleTicksToOverclock(g_settings.cdrom_max_speedup_cycles);
     if (remaining_time > instant_ticks)
       s_state.drive_event.Schedule(instant_ticks);
   }

src/core/settings.cpp

@@ -357,6 +357,7 @@ void Settings::Load(const SettingsInterface& si, const SettingsInterface& contro
     Truncate8(std::min<u32>(si.GetUIntValue("CDROM", "ReadSpeedup", 1u), std::numeric_limits<u8>::max()));
   cdrom_seek_speedup =
     Truncate8(std::min<u32>(si.GetUIntValue("CDROM", "SeekSpeedup", 1u), std::numeric_limits<u8>::max()));
+  cdrom_max_speedup_cycles = si.GetUIntValue("CDROM", "MaxSpeedupCycles", DEFAULT_CDROM_MAX_SPEEDUP_CYCLES);
 
   audio_backend =
     AudioStream::ParseBackendName(
@@ -377,7 +378,7 @@ void Settings::Load(const SettingsInterface& si, const SettingsInterface& contro
 
   dma_max_slice_ticks = si.GetIntValue("Hacks", "DMAMaxSliceTicks", DEFAULT_DMA_MAX_SLICE_TICKS);
   dma_halt_ticks = si.GetIntValue("Hacks", "DMAHaltTicks", DEFAULT_DMA_HALT_TICKS);
-  gpu_fifo_size = static_cast<u32>(si.GetIntValue("Hacks", "GPUFIFOSize", DEFAULT_GPU_FIFO_SIZE));
+  gpu_fifo_size = si.GetUIntValue("Hacks", "GPUFIFOSize", DEFAULT_GPU_FIFO_SIZE);
   gpu_max_run_ahead = si.GetIntValue("Hacks", "GPUMaxRunAhead", DEFAULT_GPU_MAX_RUN_AHEAD);
 
   bios_tty_logging = si.GetBoolValue("BIOS", "TTYLogging", false);
@@ -650,8 +651,9 @@ void Settings::Save(SettingsInterface& si, bool ignore_base) const
   si.SetBoolValue("CDROM", "LoadImageToRAM", cdrom_load_image_to_ram);
   si.SetBoolValue("CDROM", "LoadImagePatches", cdrom_load_image_patches);
   si.SetBoolValue("CDROM", "MuteCDAudio", cdrom_mute_cd_audio);
-  si.SetIntValue("CDROM", "ReadSpeedup", cdrom_read_speedup);
+  si.SetUIntValue("CDROM", "ReadSpeedup", cdrom_read_speedup);
-  si.SetIntValue("CDROM", "SeekSpeedup", cdrom_seek_speedup);
+  si.SetUIntValue("CDROM", "SeekSpeedup", cdrom_seek_speedup);
+  si.SetUIntValue("CDROM", "MaxSpeedupCycles", cdrom_max_speedup_cycles);
 
   si.SetStringValue("Audio", "Backend", AudioStream::GetBackendName(audio_backend));
   si.SetStringValue("Audio", "Driver", audio_driver.c_str());

src/core/settings.h

@@ -301,6 +301,8 @@ struct Settings : public GPUSettings
 
   u8 cdrom_read_speedup = 1;
   u8 cdrom_seek_speedup = 1;
+  u32 cdrom_max_speedup_cycles = DEFAULT_CDROM_MAX_SPEEDUP_CYCLES;
+
   u8 cdrom_readahead_sectors = DEFAULT_CDROM_READAHEAD_SECTORS;
   CDROMMechaconVersion cdrom_mechacon_version = DEFAULT_CDROM_MECHACON_VERSION;
 
@@ -557,6 +559,7 @@ struct Settings : public GPUSettings
 #endif
 
   static constexpr u8 DEFAULT_CDROM_READAHEAD_SECTORS = 8;
+  static constexpr u32 DEFAULT_CDROM_MAX_SPEEDUP_CYCLES = 30000;
   static constexpr CDROMMechaconVersion DEFAULT_CDROM_MECHACON_VERSION = CDROMMechaconVersion::VC1A;
 
   static constexpr ControllerType DEFAULT_CONTROLLER_1_TYPE = ControllerType::AnalogController;

src/duckstation-qt/advancedsettingswidget.cpp

@@ -275,6 +275,8 @@ void AdvancedSettingsWidget::addTweakOptions()
                        Settings::ParseCDROMMechVersionName, Settings::GetCDROMMechVersionName,
                        Settings::GetCDROMMechVersionDisplayName, static_cast<u8>(CDROMMechaconVersion::Count),
                        Settings::DEFAULT_CDROM_MECHACON_VERSION);
+  addIntRangeTweakOption(m_dialog, m_ui.tweakOptionTable, tr("CD-ROM Max Speedup Read/Seek Cycles"), "CDROM",
+                         "MaxSpeedupCycles", 0, 1000000, Settings::DEFAULT_CDROM_MAX_SPEEDUP_CYCLES);
   addBooleanTweakOption(m_dialog, m_ui.tweakOptionTable, tr("CD-ROM Region Check"), "CDROM", "RegionCheck", false);
   addBooleanTweakOption(m_dialog, m_ui.tweakOptionTable, tr("CD-ROM SubQ Skew"), "CDROM", "SubQSkew", false);
   addBooleanTweakOption(m_dialog, m_ui.tweakOptionTable, tr("Allow Booting Without SBI File"), "CDROM",
@@ -317,6 +319,8 @@ void AdvancedSettingsWidget::onResetToDefaultClicked()
                          Settings::DEFAULT_CPU_FASTMEM_MODE); // Recompiler fastmem mode
     setChoiceTweakOption(m_ui.tweakOptionTable, i++,
                          Settings::DEFAULT_CDROM_MECHACON_VERSION); // CDROM Mechacon Version
+    setIntRangeTweakOption(m_ui.tweakOptionTable, i++,
+                           Settings::DEFAULT_CDROM_MAX_SPEEDUP_CYCLES); // CD-ROM Max Speedup Read/Seek Cycles
     setBooleanTweakOption(m_ui.tweakOptionTable, i++, false);           // CDROM Region Check
     setBooleanTweakOption(m_ui.tweakOptionTable, i++, false);           // CDROM SubQ Skew
     setBooleanTweakOption(m_ui.tweakOptionTable, i++, false);           // Allow booting without SBI file
@@ -349,6 +353,7 @@ void AdvancedSettingsWidget::onResetToDefaultClicked()
   sif->DeleteValue("CPU", "RecompilerBlockLinking");
   sif->DeleteValue("CPU", "FastmemMode");
   sif->DeleteValue("CDROM", "MechaconVersion");
+  sif->DeleteValue("CDROM", "MaxSpeedupCycles");
   sif->DeleteValue("CDROM", "RegionCheck");
   sif->DeleteValue("CDROM", "SubQSkew");
   sif->DeleteValue("CDROM", "AllowBootingWithoutSBIFile");