/// <summary>
/// Initializes a class instance using a collection of devices
/// </summary>
public SpectrumEngine(DeviceInfoCollection deviceData, string ulaIssue = "3")
{
DeviceData = deviceData ?? throw new ArgumentNullException(nameof(deviceData));
UlaIssue = ulaIssue == "3" ? "3" : "2";
// --- Prepare the memory device
var memoryInfo = GetDeviceInfo <IMemoryDevice>();
MemoryDevice = memoryInfo?.Device ?? new Spectrum48MemoryDevice();
MemoryConfiguration = (IMemoryConfiguration)memoryInfo?.ConfigurationData;
// --- Prepare the port device
var portInfo = GetDeviceInfo <IPortDevice>();
PortDevice = portInfo?.Device ?? new Spectrum48PortDevice();
// --- Init the CPU
var cpuConfig = GetDeviceConfiguration <IZ80Cpu, ICpuConfiguration>();
var mult = 1;
if (cpuConfig != null)
{
BaseClockFrequency = cpuConfig.BaseClockFrequency;
mult = cpuConfig.ClockMultiplier;
if (mult < 1)
{
mult = 1;
}
else if (mult >= 2 && mult <= 3)
{
mult = 2;
}
else if (mult >= 4 && mult <= 7)
{
mult = 4;
}
else if (mult > 8)
{
mult = 8;
}
}
ClockMultiplier = mult;
Cpu = new Z80Cpu(MemoryDevice,
PortDevice,
cpuConfig?.SupportsNextOperations ?? false)
{
UseGateArrayContention = MemoryConfiguration.ContentionType == MemoryContentionType.GateArray
};
// --- Init the ROM
var romInfo = GetDeviceInfo <IRomDevice>();
RomProvider = (IRomProvider)romInfo.Provider;
RomDevice = romInfo.Device ?? new SpectrumRomDevice();
RomConfiguration = (IRomConfiguration)romInfo.ConfigurationData;
// --- Init the screen device
var screenInfo = GetDeviceInfo <IScreenDevice>();
var pixelRenderer = (IScreenFrameProvider)screenInfo.Provider;
ScreenConfiguration = new ScreenConfiguration((IScreenConfiguration)screenInfo.ConfigurationData);
ScreenDevice = screenInfo.Device ?? new Spectrum48ScreenDevice();
ShadowScreenDevice = new Spectrum48ScreenDevice();
// --- Init the beeper device
var beeperInfo = GetDeviceInfo <IBeeperDevice>();
AudioConfiguration = (IAudioConfiguration)beeperInfo?.ConfigurationData;
BeeperProvider = (IBeeperProvider)beeperInfo?.Provider;
BeeperDevice = beeperInfo?.Device ?? new BeeperDevice();
// --- Init the keyboard device
var keyboardInfo = GetDeviceInfo <IKeyboardDevice>();
KeyboardProvider = (IKeyboardProvider)keyboardInfo?.Provider;
KeyboardDevice = keyboardInfo?.Device ?? new KeyboardDevice();
// --- Init the Kempston device
var kempstonInfo = GetDeviceInfo <IKempstonDevice>();
KempstonProvider = (IKempstonProvider)kempstonInfo?.Provider;
KempstonDevice = kempstonInfo?.Device ?? new KempstonDevice();
// --- Init the interrupt device
InterruptDevice = new InterruptDevice(InterruptTact);
// --- Init the tape device
var tapeSaveInfo = GetDeviceInfo <ITapeSaveDevice>();
TapeSaveProvider = (ITapeSaveProvider)tapeSaveInfo?.Provider;
var tapeLoadInfo = GetDeviceInfo <ITapeLoadDevice>();
TapeLoadProvider = (ITapeLoadProvider)tapeLoadInfo?.Provider;
var tapeDevice = new TapeDevice(TapeLoadProvider, TapeSaveProvider);
TapeLoadDevice = tapeDevice;
TapeSaveDevice = tapeDevice;
// === Init optional devices
// --- Init the sound device
var soundInfo = GetDeviceInfo <ISoundDevice>();
SoundConfiguration = (IAudioConfiguration)soundInfo?.ConfigurationData;
SoundProvider = (ISoundProvider)soundInfo?.Provider;
SoundDevice = soundInfo == null
? null
: soundInfo.Device ?? new SoundDevice();
// --- Init the floppy device
var floppyInfo = GetDeviceInfo <IFloppyDevice>();
if (floppyInfo != null)
{
FloppyDevice = floppyInfo.Device;
FloppyConfiguration = (IFloppyConfiguration)floppyInfo.ConfigurationData ?? new FloppyConfiguration();
}
// --- Carry out frame calculations
ResetUlaTact();
FrameTacts = ScreenConfiguration.ScreenRenderingFrameTactCount;
FrameCount = 0;
Overflow = 0;
HasFrameCompleted = true;
_lastBreakpoint = null;
// --- Attach providers
AttachProvider(RomProvider);
AttachProvider(pixelRenderer);
AttachProvider(BeeperProvider);
AttachProvider(KeyboardProvider);
AttachProvider(KempstonProvider);
AttachProvider(TapeLoadProvider);
AttachProvider(DebugInfoProvider);
// --- Attach optional providers
if (SoundProvider != null)
{
AttachProvider(SoundProvider);
}
// --- Collect Spectrum devices
_spectrumDevices.Add(RomDevice);
_spectrumDevices.Add(MemoryDevice);
_spectrumDevices.Add(PortDevice);
_spectrumDevices.Add(ScreenDevice);
_spectrumDevices.Add(ShadowScreenDevice);
_spectrumDevices.Add(BeeperDevice);
_spectrumDevices.Add(KeyboardDevice);
_spectrumDevices.Add(KempstonDevice);
_spectrumDevices.Add(InterruptDevice);
_spectrumDevices.Add(TapeLoadDevice);
// --- Collect optional devices
if (SoundDevice != null)
{
_spectrumDevices.Add(SoundDevice);
}
if (FloppyDevice != null)
{
_spectrumDevices.Add(FloppyDevice);
}
// --- Now, prepare devices to find each other
foreach (var device in _spectrumDevices)
{
device.OnAttachedToVm(this);
}
// --- Prepare bound devices
_frameBoundDevices = _spectrumDevices
.OfType <IRenderFrameBoundDevice>()
.ToList();
_cpuBoundDevices = _spectrumDevices
.OfType <ICpuOperationBoundDevice>()
.ToList();
DebugInfoProvider = new SpectrumDebugInfoProvider();
// --- Init the ROM
InitRom(RomDevice, RomConfiguration);
}
/// <summary>Initializes a new instance of the <see cref="T:System.Object" /> class.</summary>
public Spectrum48(
IRomProvider romProvider,
IClockProvider clockProvider,
IKeyboardProvider keyboardProvider,
IScreenFrameProvider pixelRenderer,
IEarBitFrameProvider earBitFrameProvider = null,
ITapeContentProvider loadContentProvider = null,
ISaveToTapeProvider tapeSaveToTapeProvider = null)
{
// --- Init the CPU
MemoryDevice = new Spectrum48MemoryDevice();
PortDevice = new Spectrum48PortDevice();
Cpu = new Z80Cpu(MemoryDevice, PortDevice);
OsInitialized = false;
// --- Setup the clock
Clock = clockProvider;
// --- Set up Spectrum devices
BorderDevice = new BorderDevice();
ScreenDevice = new Spectrum48ScreenDevice(pixelRenderer);
BeeperDevice = new BeeperDevice(earBitFrameProvider);
KeyboardDevice = new KeyboardDevice(keyboardProvider);
InterruptDevice = new InterruptDevice(InterruptTact);
TapeDevice = new TapeDevice(loadContentProvider, tapeSaveToTapeProvider);
// --- Carry out frame calculations
ResetUlaTact();
_frameTacts = ScreenDevice.ScreenConfiguration.UlaFrameTactCount;
PhysicalFrameClockCount = Clock.GetFrequency() / (double)ClockFrequeny * _frameTacts;
FrameCount = 0;
Overflow = 0;
_frameCompleted = true;
// --- Collect Spectrum devices
_spectrumDevices.Add(MemoryDevice);
_spectrumDevices.Add(PortDevice);
_spectrumDevices.Add(BorderDevice);
_spectrumDevices.Add(ScreenDevice);
_spectrumDevices.Add(BeeperDevice);
_spectrumDevices.Add(KeyboardDevice);
_spectrumDevices.Add(InterruptDevice);
_spectrumDevices.Add(TapeDevice);
// --- Now, prepare devices to find each other
foreach (var device in _spectrumDevices)
{
device.OnAttachedToVm(this);
}
// --- Prepare bound devices
_frameBoundDevices = _spectrumDevices
.OfType <IFrameBoundDevice>()
.ToList();
_cpuBoundDevices = _spectrumDevices
.OfType <ICpuOperationBoundDevice>()
.ToList();
DebugInfoProvider = new SpectrumDebugInfoProvider();
// --- Init the ROM
InitRom(romProvider, "ZXSpectrum48");
}
