public void TestToString()
{
Clock clock = new Clock();
TicTok tictok = new TicTok();
tictok.Init();;
int TState = 0;
AReg areg = new AReg();
BReg breg = new BReg();
IReg ireg = new IReg();
OReg oreg = new OReg();
RAM ram = new RAM();
PC pc = new PC(ref areg);
ALU alu = new ALU(ref areg, ref breg);
MReg mreg = new MReg(ref ram);
SEQ seq = SEQ.Instance();
Wbus.Instance().Value = "00000000";
Flags.Instance().Clear();
Frame frame = new Frame(ireg.ToString(), TState, areg, breg, ireg, mreg, oreg, pc, alu, ram.RAMDump(), ram, seq, Wbus.Instance().ToString(), Flags.Instance(), _decoder);
_ = frame.ToString();
_ = frame.OutputRegister();
}
public void TestToString()
{
Clock clock = new Clock();
TicTok tictok = new TicTok();
tictok.Init();
int TState = 0;
AReg areg = new AReg();
TReg treg = new TReg();
BReg breg = new BReg();
CReg creg = new CReg();
IReg ireg = new IReg();
IPort1 port1 = new IPort1();
IPort2 port2 = new IPort2();
MDR mdr = new MDR();
RAM ram = new RAM();
mdr.SetRefToRAM(ref ram);
ALU alu = new ALU(ref areg, ref treg);
OReg3 oreg3 = new OReg3(ref alu);
OReg4 oreg4 = new OReg4(ref alu);
HexadecimalDisplay hexadecimalDisplay = new HexadecimalDisplay(ref oreg3);
Flag flagReg = new Flag(ref alu);
PC pc = new PC(ref flagReg);
MAR mar = new MAR(ref ram);
SEQ seq = SEQ.Instance();
Wbus.Instance().Value = string.Concat(Enumerable.Repeat('0', 16));
Instruction currentInstruction = new Instruction
{
OpCode = "ADD B",
BinCode = "10000000",
TStates = 4,
AffectsFlags = true,
AddressingMode = AddressingMode.Register,
Bytes = 1
};
Frame frame = new Frame(currentInstruction, TState, port1, port2, pc, mar, ram,
ram.RAMDump(), mdr, ireg, SEQ.Instance(),
Wbus.Instance().Value, areg, alu, flagReg,
treg, breg, creg, oreg3, oreg4, hexadecimalDisplay);
_ = frame.ToString();
_ = frame.OutputRegister();
}
public void TestUnsubscribe()
{
Clock clock = new Clock();
TicTok tictok = new TicTok();
tictok.Init();;
AReg areg = new AReg();
BReg breg = new BReg();
IReg ireg = new IReg();
OReg oreg = new OReg();
RAM ram = new RAM();
PC pc = new PC(ref areg);
ALU alu = new ALU(ref areg, ref breg);
MReg mreg = new MReg(ref ram);
SEQ seq = SEQ.Instance();
seq.Load(GetInstructionSet());
Wbus.Instance().Value = "00000000";
Flags.Instance().Clear();
areg.Subscribe(clock);
breg.Subscribe(clock);
ireg.Subscribe(clock);
mreg.Subscribe(clock);
oreg.Subscribe(clock);
pc.Subscribe(clock);
alu.Subscribe(clock); // ALU must come after A and B
ram.Subscribe(clock);
for (int i = 0; i < 500; i++)
{
clock.SendTicTok(tictok);
tictok.ToggleClockState();
clock.SendTicTok(tictok);
tictok.ToggleClockState();
}
// UnSub all
clock.EndTransmission();
for (int i = 0; i < 500; i++)
{
clock.SendTicTok(tictok);
tictok.ToggleClockState();
clock.SendTicTok(tictok);
tictok.ToggleClockState();
}
}
public Frame(Instruction instruction, int TState, IPort1 ip1, IPort2 ip2, PC pc, MAR mar, RAM ram,
List <string> ramContents, MDR mdr, IReg ireg, SEQ seq, string wbus_string,
AReg areg, ALU alu, Flag flagReg, TReg treg, BReg breg, CReg creg,
OReg3 oreg3, OReg4 oreg4, HexadecimalDisplay hexadecimalDisplay)
{
InstructionData = instruction;
if (InstructionData.OpCode.Contains(','))
{
InstructionData.OpCode = InstructionData.OpCode.Replace(",", string.Empty);
}
this.TState = TState;
this.AReg = areg.ToString_Frame_Use();
this.BReg = breg.ToString_Frame_Use();
this.CReg = creg.ToString_Frame_Use();
this.TReg = treg.ToString_Frame_Use();
this.IReg = ireg.ToString_Frame_Use(); // The real ToString() is in use with a substring in it. This is needed for proper operation
this.MAR = mar.ToString_Frame_Use();
this.MDR = mdr.RegContent;
this.PC = pc.RegContent;
this.ALU = alu.ToString();
this.WBus = wbus_string;
this.OPort1 = oreg3.ToString_Frame_Use();
this.OPort2 = oreg4.ToString_Frame_Use();
this.HexadecimalDisplay = hexadecimalDisplay.RegContent;
this.RAM = ramContents;
this.SEQ = seq.ToString();
this.WBus = wbus_string; // I didnt want to mess with the Singleton in the frame, so the value will just be passed as a string
this.RAM_Reg = ram.ToString_Frame_Use();
this.Flags = flagReg.RegContent;
if (instruction == null)
{
this.IReg = "???";
}
if (TState > 3)
{
Instruction = InstructionData.OpCode;
}
else
{
Instruction = "???";
}
}
public void TestUpdate()
{
try
{
Clock clock = new Clock();
TicTok tictok = new TicTok();
tictok.Init();
AReg areg = new AReg();
BReg breg = new BReg();
IReg ireg = new IReg();
OReg oreg = new OReg();
RAM ram = new RAM();
PC pc = new PC(ref areg);
ALU alu = new ALU(ref areg, ref breg);
MReg mreg = new MReg(ref ram);
SEQ seq = SEQ.Instance();
seq.Load(GetInstructionSet());
Wbus.Instance().Value = "00000000";
Flags.Instance().Clear();
areg.Subscribe(clock);
breg.Subscribe(clock);
ireg.Subscribe(clock);
mreg.Subscribe(clock);
oreg.Subscribe(clock);
pc.Subscribe(clock);
alu.Subscribe(clock); // ALU must come after A and B
ram.Subscribe(clock);
clock.IsEnabled = true;
for (int i = 0; i < 500; i++)
{
clock.SendTicTok(tictok);
tictok.ToggleClockState();
clock.SendTicTok(tictok);
tictok.ToggleClockState();
}
}
catch (Exception e)
{
Assert.Fail(e.ToString());
}
}
} // The reason this is here is that the RAM might change if a STA simular command is issued.
public Frame(string instruction, int TState, AReg areg, BReg breg, IReg ireg, MReg mreg, OReg oreg, PC pc, ALU alu, List <string> ramContents, RAM ram, SEQ seq, string wbus_string, Flags flags, IDecoder decoder, string SetName = "SAP1EMU")
{
this.RAM = new List <string>();
this.TState = TState;
this.AReg = areg.ToString_Frame_Use();
this.BReg = breg.ToString_Frame_Use();
this.IRegShort = ireg.ToString();
this.IReg = ireg.ToString_Frame_Use(); // The real ToString() is in use with a substring in it. This is needed for proper operation
this.MReg = mreg.ToString_Frame_Use();
this.OReg = oreg.ToString_Frame_Use();
this.PC = pc.ToString().Substring(4, 4);
this.ALU = alu.ToString();
this.WBus = wbus_string;
this.Overflow_Flag = flags.Overflow.ToString();
this.Underflow_Flag = flags.Underflow.ToString();
this.Zero_Flag = flags.Zero.ToString();
foreach (string s in ramContents)
{
RAM.Add(s);
}
this.SEQ = seq.ToString();
this.WBus = wbus_string; // I didnt want to mess with the Singleton in the frame, so the value will just be passed as a string
this.RAM_Reg = ram.ToString_Frame_Use();
if (instruction.Length == 0)
{
this.IReg = "???";
}
if (TState > 3)
{
//Instruction = OpCodeLoader.DecodeInstruction(IReg.Substring(0, 4), SetName); // TODO this is really inifeciant. Should prob make a service and inject it
Instruction = decoder.Decode(IReg.Substring(0, 4), SetName);
}
else
{
Instruction = "???";
}
}
// *************************************************************************
// *************************************************************************
// Engine Runtime
// *************************************************************************
public void Run()
{
Clock clock = new Clock();
TicTok tictok = new TicTok();
tictok.Init();
AReg areg = new AReg();
TReg treg = new TReg();
BReg breg = new BReg();
CReg creg = new CReg();
IReg ireg = new IReg();
IPort1 iport1 = new IPort1();
IPort2 iport2 = new IPort2();
MDR mdr = new MDR();
RAM ram = new RAM();
mdr.SetRefToRAM(ref ram);
ALU alu = new ALU(ref areg, ref treg);
areg.SetALUReference(ref alu);
breg.SetALUReference(ref alu);
creg.SetALUReference(ref alu);
OReg3 oreg3 = new OReg3(ref alu);
OReg4 oreg4 = new OReg4(ref alu);
HexadecimalDisplay hexadecimalDisplay = new HexadecimalDisplay(ref oreg3);
Flag flagReg = new Flag(ref alu);
PC pc = new PC(ref flagReg);
MAR mar = new MAR(ref ram);
SEQ seq = SEQ.Instance();
Wbus.Instance().Value = string.Concat(Enumerable.Repeat('0', 16));
areg.Subscribe(clock);
treg.Subscribe(clock);
breg.Subscribe(clock);
creg.Subscribe(clock);
ireg.Subscribe(clock);
mar.Subscribe(clock);
pc.Subscribe(clock);
alu.Subscribe(clock); // ALU must come after A and T
flagReg.Subscribe(clock);
ram.Subscribe(clock);
mdr.Subscribe(clock);
oreg3.Subscribe(clock);
hexadecimalDisplay.Subscribe(clock);
oreg4.Subscribe(clock);
// Load the program into the RAM
ram.LoadProgram(Program);
// Load the intsructionSet into the SEQ
seq.Load(InstructionSet);
Frame tempFrame;
#region Program_Exec
// Since T1-T3 for all of the Intruction is the same,
// LDA or "0000" will be used as the intruction for all T1-T3's
clock.IsEnabled = true;
int max_loop_count = 10_000;
int loop_counter = 0;
int TState = 1;
// A basic empty instruction state with 3 TStates since on the 4th the instruction
// will be known and set to a new object reference.
Instruction currentInstruction = new Instruction()
{
OpCode = "???",
TStates = 4 // Since by 4 TStates it should know what instruction it is on
};
List <string> controlWords = new List <string>();
bool? didntJump = null;
while (clock.IsEnabled)
{
// Log the Instruction
if (TState == 4)
{
currentInstruction = InstructionSet.Instructions.FirstOrDefault(i => i.BinCode.Equals(ireg.RegContent));
seq.LoadBackupControlWords(currentInstruction.MicroCode);
string iname = currentInstruction.OpCode;
int operandVal = Convert.ToInt32(ireg.RegContent, 2);
string hexOperand = "0x" + operandVal.ToString("X");
}
if (TState <= 3)
{
seq.UpdateControlWordReg(TState, "00000000", didntJump);
if (didntJump ?? false)
{
pc.SkipByte();
didntJump = null;
}
}
else
{
seq.UpdateControlWordReg(TState, ireg.RegContent);
}
clock.SendTicTok(tictok);
tictok.ToggleClockState();
clock.SendTicTok(tictok);
tictok.ToggleClockState();
tempFrame = new Frame(currentInstruction, TState, iport1, iport2, pc, mar, ram,
ram.RAMDump(), mdr, ireg, SEQ.Instance(),
Wbus.Instance().Value, areg, alu, flagReg,
treg, breg, creg, oreg3, oreg4, hexadecimalDisplay);
_FrameStack.Add(tempFrame);
// HLT
if (ireg.RegContent.Equals("01110110", StringComparison.Ordinal) && TState == 5)
{
clock.IsEnabled = false;
_RAMDump = ram.RAMDump();
}
if (loop_counter >= max_loop_count)
{
throw new EngineRuntimeException("Engine Error: Infinite Loop Detected");
}
else
{
loop_counter++;
}
if (TState == 7 && currentInstruction.OpCode.StartsWith('J'))
{
pc.CheckForJumpCondition();
// PC is going to jump so do not let it fetch the next byte and immediately endx
if (!pc.WontJump)
{
currentInstruction.TStates = 7;
didntJump = true;
}
}
if (TState < currentInstruction.TStates)
{
TState++;
}
else
{
TState = 1;
currentInstruction = new Instruction()
{
OpCode = "???",
TStates = 4 // Since by 4 TStates it should know what instruction it is on
};
}
}
OutputReg = oreg3.ToString();
#endregion Program_Exec
}
// *************************************************************************
// *************************************************************************
// Engine Runtime
// *************************************************************************
public void Run()
{
//Log.Information("SAP1Emu: Begin Engine Run");
//Log.Verbose("SAP1Emu: Initializing Registers");
Clock clock = new Clock();
TicTok tictok = new TicTok();
tictok.Init();
AReg areg = new AReg();
BReg breg = new BReg();
IReg ireg = new IReg();
OReg oreg = new OReg();
RAM ram = new RAM();
PC pc = new PC(ref areg);
ALU alu = new ALU(ref areg, ref breg);
MReg mreg = new MReg(ref ram);
SEQ seq = SEQ.Instance();
Wbus.Instance().Value = "00000000";
Flags.Instance().Clear();
areg.Subscribe(clock);
breg.Subscribe(clock);
ireg.Subscribe(clock);
mreg.Subscribe(clock);
oreg.Subscribe(clock);
pc.Subscribe(clock);
alu.Subscribe(clock); // ALU must come after A and B
ram.Subscribe(clock);
// Log.Verbose("SAP1Emu: Initialized Registers");
// Log.Information("SAP1Emu: Loading Ram");
// Load the program into the RAM
ram.LoadProgram(Program);
// Log.Information("SAP1Emu: RAM:\n{RAM}", Program.RamContents);
// Load the intsructionSet into the SEQ
seq.Load(InstructionSet);
// Log.Information($"SAP1Emu: Loaded Instruction Set: \"{InstructionSet.SetName}\"");
Frame tempFrame;
#region Program_Exec
// Since T1-T3 for all of the Intruction is the same,
// LDA or "0000" will be used as the intruction for all T1-T3's
clock.IsEnabled = true;
// TODO: Cleanup old code stubs
// These vars will make sure that the engine will not hang if there is an infinite loop
// int warning1_loop_counter = 3000;
// int warning2_loop_counter = 5000;
// int warning3_loop_counter = 7000;
// int warning4_loop_counter = 9000;
int max_loop_count = 10000;
int loop_counter = 0;
int TState = 1;
// Log.Information("SAP1Emu: Start Program Execution");
while (clock.IsEnabled)
{
if (TState <= 3)
{
seq.UpdateControlWordReg(TState, "0000");
}
else
{
seq.UpdateControlWordReg(TState, ireg.ToString());
}
// Log the Instruction
if (TState == 4)
{
string iname = InstructionSet.Instructions.Find(x => x.BinCode.Equals(ireg.ToString())).OpCode;
int operandVal = Convert.ToInt32(ireg.ToString_Frame_Use().Substring(4, 4), 2);
string hexOperand = "0x" + operandVal.ToString("X");
// Log.Information($"SAP1Emu: Instruction: {iname}, Operand: {hexOperand}");
}
clock.SendTicTok(tictok);
tictok.ToggleClockState();
clock.SendTicTok(tictok);
tictok.ToggleClockState();
tempFrame = new Frame(ireg.ToString(), TState, areg, breg, ireg, mreg, oreg, pc, alu, ram.RAMDump(), ram, seq, Wbus.Instance().ToString(), Flags.Instance(), _decoder, InstructionSet.SetName);
_FrameStack.Add(tempFrame);
if (ireg.ToString() == "1111" && TState == 6)
{
// Log.Information("SAP1Emu: HLT Detected");
clock.IsEnabled = false;
}
// Infinite Loop Checks
//if(loop_counter == warning1_loop_counter)
//{
// Log.Warning($"SAP1Emu: Infinite Loop Warning: interations count: {warning1_loop_counter} ");
//}
//else if (loop_counter == warning2_loop_counter)
//{
// Log.Warning($"SAP1Emu: Infinite Loop Warning: interations count: {warning2_loop_counter} ");
//}
//else if (loop_counter == warning3_loop_counter)
//{
// Log.Warning($"SAP1Emu: Infinite Loop Warning: interations count: {warning3_loop_counter} ");
//}
//else if (loop_counter == warning4_loop_counter)
//{
// Log.Warning($"SAP1Emu: Infinite Loop Warning: interations count: {warning4_loop_counter} ");
//}
if (loop_counter >= max_loop_count)
{
// Log.Fatal($"SAP1Emu: Infinite Loop Fatal Error: Infinite Loop Detected");
// Log.CloseAndFlush();
throw new EngineRuntimeException("Engine Error: Infinite Loop Detected");
}
else
{
loop_counter++;
}
if (TState < 6)
{
TState++;
}
else
{
TState = 1;
}
}
// Log.Information("SAP1Emu: End Program Execution");
OutPutRegContents = oreg.ToString();
// Log.Information("SAP1Emu: End Engine Run");
// Log.CloseAndFlush();
#endregion Program_Exec
}
public ALU(ref AReg aReg, ref TReg tReg)
{
Areg = aReg;
Treg = tReg;
}
public ALU(ref AReg areg, ref BReg breg)
{
this.Areg = areg;
this.Breg = breg;
}
