public void IOManagerTests_WriteToIODevice_Success()
{
IOManager io = new IOManager(100);
Device d1 = new Device()
{
Id = 1
};
Device d2 = new Device()
{
Id = 2
};
io.AddIODevice(80, d1);
io.AddIODevice(82, d2);
MicroSimulator micro = new MicroSimulator(
new VirtualMemory(new string[] { }),
io
);
micro.WriteToMemory(80, "F3");
micro.WriteToMemory(82, "08");
Console.WriteLine(d1);
Console.WriteLine(d2);
Assert.AreEqual("Device[Id: 1, Data: 243]", d1.ToString());
Assert.AreEqual("Device[Id: 2, Data: 8]", d2.ToString());
Console.WriteLine(micro.ReadFromMemory(80));
Console.WriteLine(micro.ReadFromMemory(82));
}
public void ASCIIDisplayTests_ReadFromMicro_Success()
{
VirtualMemory vm = new VirtualMemory(new string[] {
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000"
});
IOManager manager = new IOManager(100);
MicroSimulator micro = new MicroSimulator(vm, manager);
Console.WriteLine("Starting State:");
Console.Write(vm);
Console.WriteLine(manager);
Console.WriteLine(micro);
ASCII_Display display = new ASCII_Display(5, true);
manager.AddIODevice(5, display);
Console.WriteLine("\nAfter adding ASCII Display:");
Console.WriteLine(manager);
Console.WriteLine($"\nIO Device: {display}");
Assert.AreEqual("00", display.ReadFromPort(5));
display.WriteInPort(5, "48");
display.WriteInPort(6, "6F");
display.WriteInPort(7, "6C");
display.WriteInPort(8, "61");
Console.WriteLine(display);
string h = micro.ReadFromMemory(5);
string o = micro.ReadFromMemory(6);
string l = micro.ReadFromMemory(7);
string a = micro.ReadFromMemory(8);
Assert.AreEqual("48", h);
Assert.AreEqual("6F", o);
Assert.AreEqual("6C", l);
Assert.AreEqual("61", a);
Console.WriteLine($"\nContent read in Hex: {h} {o} {l} {a}");
}
public void DataMovOperationsTests_PUSH_Success()
{
//init
micro.StackPointer = 100;
micro.MicroRegisters.SetRegisterValue(2, "FF");
MCInstructionF2 i1 = new MCInstructionF2(3, "00100", "010", null);
ushort SPNewValue = 99;
//execute
InstructionSetExe.ExecuteInstruction(i1, micro);
Assert.AreEqual(SPNewValue, micro.StackPointer);
Assert.AreEqual("FF", micro.ReadFromMemory(micro.StackPointer));
}
public void FlowControlOperationsTests_CALL_Success()
{
//init
// CALL address {F3}
// SP <- SP - 2
// mem[SP] <- PC
// PC <- address
ushort expectedSPVal = 98;
string addressOfCall = UnitConverter.ByteToBinary(33);
byte initialValueOfPC = 12;
micro.StackPointer = 100;
micro.ProgramCounter = initialValueOfPC;
// address: 2
MCInstructionF3 i1 = new MCInstructionF3(30, "11110", addressOfCall);
// execute
InstructionSetExe.ExecuteInstruction(i1, micro);
Assert.AreEqual(expectedSPVal, micro.StackPointer);
// expected data in Address: 33
Assert.AreEqual(UnitConverter.ByteToHex(initialValueOfPC), micro.ReadFromMemory(micro.StackPointer));
// program counter should be equal to 98
Assert.AreEqual(UnitConverter.BinaryToByte(addressOfCall), micro.ProgramCounter);
}
public void IOHexKeyboardTests_ReadFromMicro_Success()
{
VirtualMemory vm = new VirtualMemory(new string[] {
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000"
});
IOManager manager = new IOManager(100);
MicroSimulator micro = new MicroSimulator(vm, manager);
Console.WriteLine("Initial State:");
Console.Write(vm);
Console.WriteLine(manager);
Console.WriteLine(micro);
IOHexKeyboard kb = new IOHexKeyboard(5);
manager.AddIODevice(5, kb);
Console.WriteLine("\nAfter adding IO Hex Keyboard:");
Console.WriteLine(manager);
Console.WriteLine($"\nIO Device: {kb}");
Assert.AreEqual("00", kb.ReadFromPort(5));
kb.KeyPress("A");
kb.KeyPress("A");
kb.KeyPress("A");
kb.KeyPress("F");
kb.KeyPress("A");
Console.WriteLine(kb);
string contentHex = micro.ReadFromMemory(5);
Assert.AreEqual("A1", contentHex);
Console.WriteLine($"\nContent read in Hex: {contentHex}");
}
public void ASCIIDisplayTests_TestPorts_Read_Write()
{
VirtualMemory vm = new VirtualMemory(new string[] {
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000"
});
IOManager manager = new IOManager(100);
MicroSimulator micro = new MicroSimulator(vm, manager);
Console.WriteLine("Starting State:");
Console.Write(vm);
Console.WriteLine(manager);
Console.WriteLine(micro);
ushort start_port = 5;
ASCII_Display display = new ASCII_Display(start_port, true);//Starting port
manager.AddIODevice(start_port, display);
Console.WriteLine("\nAfter adding ASCII Display:");
Console.WriteLine(manager);
Console.WriteLine($"\nIO Device: {display}");
Assert.AreEqual("00", display.ReadFromPort(5));
//Write To Valid port range
Assert.IsTrue(display.WriteInPort(5, "48"));
Assert.IsTrue(display.WriteInPort(6, "6F"));
Assert.IsTrue(display.WriteInPort(7, "6C"));
Assert.IsTrue(display.WriteInPort(8, "61"));
Console.WriteLine(display);
//Verify that it wrote to memory correctly
Assert.AreEqual(display.ReadFromPort(5), micro.ReadFromMemory(5));
//Reading from invalid before Port Range
var ex = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(4));
Assert.AreEqual(ex.Message, "Invalid port \n");
var ex3 = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(13));
Assert.AreEqual(ex3.Message, "Invalid port \n");
//Maximum Port Number
var ex1 = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(short.MaxValue));
Assert.AreEqual(ex1.Message, "Invalid port \n");
//Minimum Port Number
var ex2 = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(short.MinValue));
Assert.AreEqual(ex2.Message, "Invalid port \n");
//Writing into invalid Ports
//Positive before valid range
Assert.AreEqual(display.WriteInPort(4, "X"), false);
//Positive after valid range
Assert.AreEqual(display.WriteInPort(13, "X"), false);
//Maximum Port Number
Assert.AreEqual(display.WriteInPort(short.MaxValue, "X"), false);
//Negative Port Number
Assert.AreEqual(display.WriteInPort(short.MinValue, "X"), false);
}
public void ASCIIDisplayTests_TestPorts_Read()
{
VirtualMemory vm = new VirtualMemory(new string[] {
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000",
"0000"
});
IOManager manager = new IOManager(100);
MicroSimulator micro = new MicroSimulator(vm, manager);
Console.WriteLine("Starting State:");
Console.Write(vm);
Console.WriteLine(manager);
Console.WriteLine(micro);
ASCII_Display display = new ASCII_Display(5, true);
manager.AddIODevice(5, display);
Console.WriteLine("\nAfter adding ASCII Display:");
Console.WriteLine(manager);
Console.WriteLine($"\nIO Device: {display}");
display.WriteInPort(5, "48");
display.WriteInPort(6, "6F");
display.WriteInPort(7, "6C");
display.WriteInPort(8, "61");
Console.WriteLine(display);
string h = micro.ReadFromMemory(5);
string o = micro.ReadFromMemory(6);
string l = micro.ReadFromMemory(7);
string a = micro.ReadFromMemory(8);
Assert.AreEqual("48", h);
Assert.AreEqual("6F", o);
Assert.AreEqual("6C", l);
Assert.AreEqual("61", a);
Console.WriteLine($"\nContent read in Hex: {h} {o} {l} {a}");
//Verify that it wrote to memory correctly
Assert.AreEqual(display.ReadFromPort(5), micro.ReadFromMemory(5));
//Reading from invalid before Port Range
var ex = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(4));
Assert.AreEqual(ex.Message, "Invalid port \n");
var ex3 = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(15));
Assert.AreEqual(ex3.Message, "Invalid port \n");
//Maximum Port Number
var ex1 = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(short.MaxValue));
Assert.AreEqual(ex1.Message, "Invalid port \n");
//Minimum Port Number
var ex2 = Assert.ThrowsException <ArgumentException>(() => display.ReadFromPort(short.MinValue));
Assert.AreEqual(ex2.Message, "Invalid port \n");
}