public void Write_HighPosEdge_High()
{
var uut = new OrGate();
var input1 = uut.AddInput().CreateConnection();
var input2 = uut.AddInput().CreateConnection();
var output = uut.Output.CreateConnection();
input1.Write(DigitalLevel.High);
input2.Write(DigitalLevel.PosEdge);
uut.Output.Level.Should().Be(DigitalLevel.High);
}
public void Write_LowLow_Low()
{
var uut = new OrGate();
var input1 = uut.AddInput().CreateConnection();
var input2 = uut.AddInput().CreateConnection();
var output = uut.Output.CreateConnection();
input1.Write(DigitalLevel.Low);
input2.Write(DigitalLevel.Low);
uut.Output.Level.Should().Be(DigitalLevel.Low);
}
public void Write_HighHighLowHigh_High()
{
var uut = new OrGate();
var input1 = uut.AddInput().CreateConnection();
var input2 = uut.AddInput().CreateConnection();
var input3 = uut.AddInput().CreateConnection();
var input4 = uut.AddInput().CreateConnection();
var output = uut.Output.CreateConnection();
input1.Write(DigitalLevel.High);
input2.Write(DigitalLevel.High);
input3.Write(DigitalLevel.Low);
input4.Write(DigitalLevel.High);
uut.Output.Level.Should().Be(DigitalLevel.High);
}
// can be removed; just trying out stuff
public void BasicComposite_NoBuilders()
{
var notGate = new NotGate();
notGate.SetInput(Generator.AnInactiveSignal());
var orGate = new OrGate();
orGate.AddInput(Generator.AnInactiveSignal());
orGate.AddInput(Generator.AnActiveSignal());
var andGate = new AndGate();
andGate.AddInput(notGate);
andGate.AddInput(orGate);
Assert.True(andGate.Output());
}
public OrGate Build()
{
var gate = new OrGate();
foreach (var input in _inputs)
{
gate.AddInput(input);
}
return(gate);
}
public void BusDecoderInvertorOr_DecodeOr_OutputActiveWhenEnabled()
{
const byte Value = 0x10;
var decoder = new BusDecoder("decoder");
decoder.AddValue(Value);
decoder.Input.ConnectTo(new Bus <BusData8>("bus"));
var busInput = decoder.Input.CreateConnection();
busInput.IsEnabled = true;
var invertor = new InvertorGate()
{
Name = "inv"
};
invertor.Input.ConnectTo(decoder.Output);
var or = new OrGate()
{
Name = "or"
};
or.AddInput().ConnectTo(invertor.Output);
var enable = or.AddInput().CreateConnection();
enable.Write(DigitalLevel.High);
var output = or.Output.CreateConnection();
busInput.Write(new BusData8(Value));
decoder.Output.Level.Should().Be(DigitalLevel.High);
invertor.Output.Level.Should().Be(DigitalLevel.Low);
output.DigitalSignal.Level.Should().Be(DigitalLevel.High);
enable.Write(DigitalLevel.Low);
output.DigitalSignal.Level.Should().Be(DigitalLevel.Low);
}
public InputPort AddInputPort(Bus address, Bus data, ushort ioAddress, string name = null)
{
if (name == null)
{
name = string.Empty;
}
var decoder = new BusDecoder(address, name + "-InputAddressDecoder");
decoder.AddValue(ioAddress);
AddComponent(decoder);
var invertor = new InvertorGate()
{
Name = name + "-InAddressDecodeInvertor"
};
AddComponent(invertor);
decoder.Output.ConnectTo(invertor.Input);
var or = new OrGate()
{
Name = name + "-InPortEnableIO"
};
or.AddInput().ConnectTo(Model.Cpu.IoRequest);
or.AddInput().ConnectTo(Model.Cpu.Read);
or.AddInput().ConnectTo(invertor.Output);
AddComponent(or);
var inputPort = new InputPort(data, name);
AddInputPort(inputPort);
inputPort.PortEnable.ConnectTo(or.Output);
return(inputPort);
}
