/// <summary>
/// Executes a single frame
/// </summary>
public virtual void ExecuteFrame(bool render, bool renderSound)
{
ULADevice.FrameEnd = false;
ULADevice.ULACycleCounter = CurrentFrameCycle;
InputRead = false;
_render = render;
_renderSound = renderSound;
FrameCompleted = false;
if (UPDDiskDevice == null || !UPDDiskDevice.FDD_IsDiskLoaded)
{
TapeDevice.StartFrame();
}
if (_renderSound)
{
if (AYDevice != null)
{
AYDevice.StartFrame();
}
}
PollInput();
for (;;)
{
// run the CPU Monitor cycle
CPUMon.ExecuteCycle();
// cycle the tape device
if (UPDDiskDevice == null || !UPDDiskDevice.FDD_IsDiskLoaded)
{
TapeDevice.TapeCycle();
}
// has frame end been reached?
if (ULADevice.FrameEnd)
{
break;
}
}
OverFlow = (int)CurrentFrameCycle - ULADevice.FrameLength;
// we have reached the end of a frame
LastFrameStartCPUTick = CPU.TotalExecutedCycles - OverFlow;
ULADevice.LastTState = 0;
if (AYDevice != null)
{
AYDevice.EndFrame();
}
FrameCount++;
if (UPDDiskDevice == null || !UPDDiskDevice.FDD_IsDiskLoaded)
{
TapeDevice.EndFrame();
}
FrameCompleted = true;
// is this a lag frame?
Spectrum.IsLagFrame = !InputRead;
// FDC debug
if (UPDDiskDevice != null && UPDDiskDevice.writeDebug)
{
// only write UPD log every second
if (FrameCount % 10 == 0)
{
System.IO.File.AppendAllLines(UPDDiskDevice.outputfile, UPDDiskDevice.dLog);
UPDDiskDevice.dLog = new System.Collections.Generic.List <string>();
//System.IO.File.WriteAllText(UPDDiskDevice.outputfile, UPDDiskDevice.outputString);
}
}
}
public void SyncState(Serializer ser)
{
ser.BeginSection("ZXMachine");
ser.Sync("FrameCompleted", ref FrameCompleted);
ser.Sync("OverFlow", ref OverFlow);
ser.Sync("FrameCount", ref FrameCount);
ser.Sync("_frameCycles", ref _frameCycles);
ser.Sync("inputRead", ref inputRead);
ser.Sync("LastFrameStartCPUTick", ref LastFrameStartCPUTick);
ser.Sync("LastULAOutByte", ref LastULAOutByte);
ser.Sync("ROM0", ref ROM0, false);
ser.Sync("ROM1", ref ROM1, false);
ser.Sync("ROM2", ref ROM2, false);
ser.Sync("ROM3", ref ROM3, false);
ser.Sync("RAM0", ref RAM0, false);
ser.Sync("RAM1", ref RAM1, false);
ser.Sync("RAM2", ref RAM2, false);
ser.Sync("RAM3", ref RAM3, false);
ser.Sync("RAM4", ref RAM4, false);
ser.Sync("RAM5", ref RAM5, false);
ser.Sync("RAM6", ref RAM6, false);
ser.Sync("RAM7", ref RAM7, false);
ser.Sync("ROMPaged", ref ROMPaged);
ser.Sync("SHADOWPaged", ref SHADOWPaged);
ser.Sync("RAMPaged", ref RAMPaged);
ser.Sync("PagingDisabled", ref PagingDisabled);
ser.Sync("SpecialPagingMode", ref SpecialPagingMode);
ser.Sync("PagingConfiguration", ref PagingConfiguration);
ser.Sync("ROMhigh", ref ROMhigh);
ser.Sync("ROMlow", ref ROMlow);
ser.Sync("LastContendedReadByte", ref LastContendedReadByte);
KeyboardDevice.SyncState(ser);
BuzzerDevice.SyncState(ser);
TapeBuzzer.SyncState(ser);
ULADevice.SyncState(ser);
CPUMon.SyncState(ser);
if (AYDevice != null)
{
AYDevice.SyncState(ser);
((AY38912)AYDevice as AY38912).PanningConfiguration = Spectrum.Settings.AYPanConfig;
}
ser.Sync("tapeMediaIndex", ref tapeMediaIndex);
if (ser.IsReader)
{
IsLoadState = true;
TapeMediaIndex = tapeMediaIndex;
IsLoadState = false;
}
TapeDevice.SyncState(ser);
ser.Sync("diskMediaIndex", ref diskMediaIndex);
if (ser.IsReader)
{
IsLoadState = true;
DiskMediaIndex = diskMediaIndex;
IsLoadState = false;
}
if (UPDDiskDevice != null)
{
UPDDiskDevice.SyncState(ser);
}
ser.EndSection();
}
public void SyncState(Serializer ser)
{
ser.BeginSection("ZXMachine");
ser.Sync(nameof(FrameCompleted), ref FrameCompleted);
ser.Sync(nameof(OverFlow), ref OverFlow);
ser.Sync(nameof(FrameCount), ref FrameCount);
ser.Sync(nameof(_frameCycles), ref _frameCycles);
ser.Sync(nameof(inputRead), ref inputRead);
ser.Sync(nameof(LastFrameStartCPUTick), ref LastFrameStartCPUTick);
ser.Sync(nameof(LastULAOutByte), ref LastULAOutByte);
ser.Sync(nameof(ROM0), ref ROM0, false);
ser.Sync(nameof(ROM1), ref ROM1, false);
ser.Sync(nameof(ROM2), ref ROM2, false);
ser.Sync(nameof(ROM3), ref ROM3, false);
ser.Sync(nameof(RAM0), ref RAM0, false);
ser.Sync(nameof(RAM1), ref RAM1, false);
ser.Sync(nameof(RAM2), ref RAM2, false);
ser.Sync(nameof(RAM3), ref RAM3, false);
ser.Sync(nameof(RAM4), ref RAM4, false);
ser.Sync(nameof(RAM5), ref RAM5, false);
ser.Sync(nameof(RAM6), ref RAM6, false);
ser.Sync(nameof(RAM7), ref RAM7, false);
ser.Sync(nameof(ROMPaged), ref ROMPaged);
ser.Sync(nameof(SHADOWPaged), ref SHADOWPaged);
ser.Sync(nameof(RAMPaged), ref RAMPaged);
ser.Sync(nameof(PagingDisabled), ref PagingDisabled);
ser.Sync(nameof(SpecialPagingMode), ref SpecialPagingMode);
ser.Sync(nameof(PagingConfiguration), ref PagingConfiguration);
ser.Sync(nameof(ROMhigh), ref ROMhigh);
ser.Sync(nameof(ROMlow), ref ROMlow);
ser.Sync(nameof(LastContendedReadByte), ref LastContendedReadByte);
KeyboardDevice.SyncState(ser);
BuzzerDevice.SyncState(ser);
TapeBuzzer.SyncState(ser);
ULADevice.SyncState(ser);
CPUMon.SyncState(ser);
if (AYDevice != null)
{
AYDevice.SyncState(ser);
((AY38912)AYDevice).PanningConfiguration = Spectrum.Settings.AYPanConfig;
}
ser.Sync(nameof(tapeMediaIndex), ref tapeMediaIndex);
if (ser.IsReader)
{
IsLoadState = true;
TapeMediaIndex = tapeMediaIndex;
IsLoadState = false;
}
TapeDevice.SyncState(ser);
ser.Sync(nameof(diskMediaIndex), ref diskMediaIndex);
if (ser.IsReader)
{
IsLoadState = true;
DiskMediaIndex = diskMediaIndex;
IsLoadState = false;
}
UPDDiskDevice?.SyncState(ser);
ser.EndSection();
}
