public void Write_Data8_Byte()
{
var data = new BusData8();
data.Write((byte)TestValue);
data.ToByte().Should().Be((byte)TestValue);
}
public void Write_DisabledMaster_Throws()
{
var uut = new BusMaster <BusData8>();
var newValue = new BusData8(0);
Action act = () => uut.Write(newValue);
act.ShouldThrow <InvalidOperationException>();
}
public void Write_Unconnected_DoesNotThrow()
{
var uut = new BusMaster <BusData8>();
var newValue = new BusData8(0);
uut.IsEnabled = true;
Action test = () => uut.Write(newValue);
test.ShouldNotThrow();
}
public void Write_LeftToRight()
{
var ms1 = new BusMasterSlave <BusData8>();
var ms2 = new BusMasterSlave <BusData8>();
var connection = ms1.CreateConnection(ms2);
var value = new BusData8(0x55);
ms1.IsEnabled = true;
ms1.Write(value);
ms2.Slave.Value.Should().Be(value);
}
public void Write_BusValueChanged()
{
var uut = new BusMaster <BusData8>();
var bus = new Bus <BusData8>();
uut.ConnectTo(bus);
uut.IsEnabled = true;
var newValue = new BusData8(0);
uut.Write(newValue);
bus.AssertAllLevelsAre(DigitalLevel.Low);
}
public void Write_EventTriggers()
{
var master = new BusMaster <BusData8>();
var bus = new Bus <BusData8>();
master.ConnectTo(bus);
master.IsEnabled = true;
bus.MonitorEvents();
var newValue = new BusData8(0);
master.Write(newValue);
bus.ShouldRaise("OnChanged");
}
public void IsEnabled_ToFalse_ChangesLevelsToFloating()
{
var uut = new BusMaster <BusData8>();
var bus = new Bus <BusData8>();
uut.ConnectTo(bus);
uut.IsEnabled = true;
var newValue = new BusData8(0);
uut.Write(newValue);
uut.IsEnabled = false;
uut.Value.AssertAllLevelsAre(DigitalLevel.Floating);
}
public void Write_SingleMaster_SlaveSeesChanges()
{
var master = new BusMaster <BusData8>();
var slave = new BusSlave <BusData8>();
var bus = new Bus <BusData8>();
master.ConnectTo(bus);
slave.ConnectTo(bus);
master.IsEnabled = true;
var newValue = new BusData8(0);
master.Write(newValue);
slave.Value.AssertAllLevelsAre(DigitalLevel.Low);
}
private static CpuZ80 ExecuteTest(OpcodeByte rst)
{
var cpuZ80 = new CpuZ80();
var model = cpuZ80.Initialize(null);
var writer = new MemoryWriter <BusData16, BusData8>(model.Memory);
writer.Fill(0x48, new BusData8(0));
writer[new BusData16(0)] = new BusData8(rst.Value);
cpuZ80.FillRegisters();
model.ClockGen.SquareWave(11);
Console.WriteLine(model.LogicAnalyzer.ToWaveJson());
return(cpuZ80);
}
public void Write_MultipleMastersActivce_Error()
{
var master1 = new BusMaster <BusData8>();
var master2 = new BusMaster <BusData8>();
var bus = new Bus <BusData8>();
master1.ConnectTo(bus);
master2.ConnectTo(bus);
master1.IsEnabled = true;
master2.IsEnabled = true;
var loValue = new BusData8(0);
var noValue = new BusData8();
master1.Write(loValue);
Action act = () => master2.Write(loValue);
act.ShouldThrow <BusConflictException>();
}
public void Write_MultipleMasters_OneAtaTime()
{
var master1 = new BusMaster <BusData8>();
var master2 = new BusMaster <BusData8>();
var bus = new Bus <BusData8>();
master1.ConnectTo(bus);
master2.ConnectTo(bus);
master1.IsEnabled = true;
master2.IsEnabled = true;
var loValue = new BusData8(0);
var noValue = new BusData8();
master1.Write(loValue);
master1.Write(noValue);
master2.Write(loValue);
master2.Write(noValue);
master1.Write(loValue);
}
public static void Set(this IDirectMemoryAccess <BusData8> memory,
ushort address, byte value)
{
memory[address] = new BusData8(value);
}
