public void CreateTapeFileIsInvokedWhenEnteringSaveMode()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var saveProvider = new FakeSaveToTapeProvider();
var td = new TapeDevice(null, saveProvider);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = vm.RomInfo.SaveBytesRoutineAddress;
// --- Act
td.SetTapeMode();
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
saveProvider.CreateTapeFileInvoked.ShouldBeTrue();
}
public void GetEarBitsReturnTrueInLoadModeWithNoPlayer()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = vm.RomInfo.LoadBytesRoutineAddress;
td.SetTapeMode();
// --- Act
var bit = td.GetEarBit(0);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Load);
bit.ShouldBeTrue();
}
public void ProcessMicBitWorksInSaveModeWithBitChange()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = vm.RomInfo.SaveBytesRoutineAddress;
td.SetTapeMode();
// --- Act
td.ProcessMicBit(false);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.None);
}
public void ProcessMicBitAbortsInPassiveMode()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = 0x0038;
td.SetTapeMode();
// --- Act
td.ProcessMicBit(true);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Passive);
td.SavePhase.ShouldBe(SavePhase.None);
}
public void GetEarBitsReturnTrueInPassiveMode()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = 0x0038;
td.SetTapeMode();
// --- Act
var bit = td.GetEarBit(0);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Passive);
bit.ShouldBeTrue();
}
public void SetTapeModeLeavesLoadModeWhenEof()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(new EmptyTapeContentProvider());
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.LoadBytesRoutineAddress;
td.SetTapeMode();
var before = td.CurrentMode;
// --- Act
td.SetTapeMode();
// --- Assert
before.ShouldBe(TapeOperationMode.Load);
td.CurrentMode.ShouldBe(TapeOperationMode.Passive);
}
public void SetTapeModeInvokesEnteredLoadModeEvent()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.LoadBytesRoutineAddress;
var invoked = false;
td.EnteredLoadMode += (sender, args) => { invoked = true; };
// --- Act
td.SetTapeMode();
// --- Assert
invoked.ShouldBeTrue();
}
public void ProcessMicBitFailsWithLongBit1Pulse()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
(var debugCpu, var tacts, var pulse) = EmitHeaderWithSync(vm, td);
// --- Act
tacts += TapeDataBlockPlayer.BIT_1_PL + TapeDevice.SAVE_PULSE_TOLERANCE + 1;
debugCpu.SetTacts(tacts);
td.ProcessMicBit(pulse);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.Error);
}
public void SaveTzxBlockIsCalledWhenCompletingDataBlock()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var provider = new FakeTapeProvider();
var td = new TapeDevice(provider, provider);
td.OnAttachedToVm(vm);
var testData = new byte[] { 0x90, 0x02, 0x05, 0xAA, 0xFF, 0x63 };
// --- Act
EmitFullDataBlock(vm, td, testData);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.None);
provider.SaveTzxBlockInvoked.ShouldBeTrue();
}
public void SetTapeModeLeavesSaveModeWhenError()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.SaveBytesRoutineAddress;
td.SetTapeMode();
var before = td.CurrentMode;
// --- Act
vm.Cpu.Registers.PC = TapeDevice.ERROR_ROM_ADDRESS;
td.SetTapeMode();
// --- Assert
before.ShouldBe(TapeOperationMode.Save);
td.CurrentMode.ShouldBe(TapeOperationMode.Passive);
}
public void ProcessMicBitFailsWithLongPilotPulse()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.SaveBytesRoutineAddress;
td.SetTapeMode();
var debugCpu = vm.Cpu as IZ80CpuTestSupport;
// --- Act
debugCpu.SetTacts(TapeDataBlockPlayer.PILOT_PL + TapeDevice.SAVE_PULSE_TOLERANCE + 1);
td.ProcessMicBit(false);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.Error);
}
public void ProcessMicBitFailsWithShortTermSyncPulse()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
var testData = new byte[] { 0x90, 0x02, 0x05, 0xAA, 0xFF, 0x63 };
(var debugCpu, var tacts, var pulse) = EmitHeaderAndData(vm, td, testData);
// --- Act
tacts += TapeDataBlockPlayer.TERM_SYNC - TapeDevice.SAVE_PULSE_TOLERANCE - 1;
debugCpu.SetTacts(tacts);
td.ProcessMicBit(pulse);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.Error);
}
public void ProcessMicBitCatchesFirstPilotPulse()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.SaveBytesRoutineAddress;
td.SetTapeMode();
var debugCpu = vm.Cpu as IZ80CpuTestSupport;
// --- Act
debugCpu.SetTacts(TapeDataBlockPlayer.PILOT_PL);
td.ProcessMicBit(false);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.Pilot);
td.PilotPulseCount.ShouldBe(1);
}
public void SetTapeModeInvokesLeftSaveModeWhenError()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.SaveBytesRoutineAddress;
td.SetTapeMode();
var invoked = false;
td.LeftSaveMode += (sender, args) => { invoked = true; };
// --- Act
vm.Cpu.Registers.PC = TapeDevice.ERROR_ROM_ADDRESS;
td.SetTapeMode();
// --- Assert
invoked.ShouldBeTrue();
}
public void ProcessMicBitWorksWithDataBytes()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
var testData = new byte[] { 0x90, 0x02, 0x05, 0xAA, 0xFF, 0x63 };
// --- Act
EmitHeaderAndData(vm, td, testData);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.Data);
td.DataLength.ShouldBe(testData.Length);
for (var i = 0; i < testData.Length; i++)
{
td.DataBuffer[i].ShouldBe(testData[i]);
}
}
public void ProcessMicBitWorksWithBit1Pulse()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
(var debugCpu, var tacts, var pulse) = EmitHeaderWithSync(vm, td);
// --- Act
tacts += TapeDataBlockPlayer.BIT_1_PL;
debugCpu.SetTacts(tacts);
td.ProcessMicBit(pulse);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.Data);
td.BitOffset.ShouldBe(0);
td.DataByte.ShouldBe((byte)0);
td.PrevDataPulse.ShouldBe(MicPulseType.Bit1);
}
public void SetTapeModeLeavesSaveModeAfterSilence()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.SaveBytesRoutineAddress;
td.SetTapeMode();
var before = td.CurrentMode;
// --- Act
var debugCpu = vm.Cpu as IZ80CpuTestSupport;
debugCpu.SetTacts(2 * TapeDevice.SAVE_STOP_SILENCE);
td.SetTapeMode();
// --- Assert
before.ShouldBe(TapeOperationMode.Save);
td.CurrentMode.ShouldBe(TapeOperationMode.Passive);
}
public void SetNameIsNotCalledWithInvalidHeader()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var provider = new FakeTapeProvider();
var td = new TapeDevice(provider, provider);
td.OnAttachedToVm(vm);
var testData = new byte[]
{
0x42, 0x6F, 0x72, 0x64, 0x65, 0x72, 0x20, 0x20, 0x20, 0x20
};
// --- Act
EmitFullDataBlock(vm, td, testData);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.None);
provider.SuggestedName.ShouldBeNull();
}
public void SetTapeModeInvokesLedtSaveModeEventAfterSilence()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.SaveBytesRoutineAddress;
td.SetTapeMode();
var invoked = false;
td.LeftSaveMode += (sender, args) => { invoked = true; };
// --- Act
var debugCpu = vm.Cpu as IZ80CpuTestSupport;
debugCpu.SetTacts(2 * TapeDevice.SAVE_STOP_SILENCE);
td.SetTapeMode();
// --- Assert
invoked.ShouldBeTrue();
}
public void FinalizeTapeFileIsInvokedWhenLeavingSaveMode()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var saveProvider = new FakeSaveToTapeProvider();
var td = new TapeDevice(saveProvider);
td.OnAttachedToVm(vm);
vm.Cpu.Registers.PC = td.SaveBytesRoutineAddress;
td.SetTapeMode();
var before = td.CurrentMode;
// --- Act
var debugCpu = vm.Cpu as IZ80CpuTestSupport;
debugCpu.SetTacts(2 * TapeDevice.SAVE_STOP_SILENCE);
td.SetTapeMode();
// --- Assert
before.ShouldBe(TapeOperationMode.Save);
td.CurrentMode.ShouldBe(TapeOperationMode.Passive);
saveProvider.FinalizeTapeFileInvoked.ShouldBeTrue();
}
public void SetNameIsCalledAtFirstDataBlock()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var saveProvider = new FakeSaveToTapeProvider();
var td = new TapeDevice(saveProvider);
td.OnAttachedToVm(vm);
var testData = new byte[]
{
0x00, 0x00,
0x42, 0x6F, 0x72, 0x64, 0x65, 0x72, 0x20, 0x20, 0x20, 0x20,
0x4F, 0x00, 0x6F, 0x80, 0x4F, 0x00, 0xC3
};
// --- Act
EmitFullDataBlock(vm, td, testData);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.None);
saveProvider.SuggestedName.ShouldBe("Border");
}
public void ProcessMicBitWorksWithTermSyncPulse()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
var testData = new byte[] { 0x90, 0x02, 0x05, 0xAA, 0xFF, 0x63 };
(var debugCpu, var tacts, var pulse) = EmitHeaderAndData(vm, td, testData);
// --- Act
tacts += TapeDataBlockPlayer.TERM_SYNC;
debugCpu.SetTacts(tacts);
td.ProcessMicBit(pulse);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.None);
for (var i = 0; i < testData.Length; i++)
{
td.DataBuffer[i].ShouldBe(testData[i]);
}
}
public void ProcessMicBitWorksWithMultipleDataBlock()
{
// --- Arrange
var vm = new SpectrumTapeDeviceTestMachine();
var td = new TapeDevice(null, null);
td.OnAttachedToVm(vm);
var testData = new byte[] { 0x90, 0x02, 0x05, 0xAA, 0xFF, 0x63 };
// --- Act
(var debugCpu, var tacts, var pulse) = EmitFullDataBlock(vm, td, testData);
tacts += TapeDataBlockPlayer.PILOT_PL * 5;
debugCpu.SetTacts(tacts);
td.ProcessMicBit(pulse);
(debugCpu, tacts, pulse) = EmitFullDataBlock(vm, td, testData);
tacts += TapeDataBlockPlayer.PILOT_PL * 5;
debugCpu.SetTacts(tacts);
td.ProcessMicBit(pulse);
// --- Assert
td.CurrentMode.ShouldBe(TapeOperationMode.Save);
td.SavePhase.ShouldBe(SavePhase.None);
td.DataBlockCount.ShouldBe(2);
}