override public string ToString()
{
switch (opcode)
{
case OPCODE.LABEL:
return($"[{target}]");
case OPCODE.BSR:
case OPCODE.BRF:
case OPCODE.BRA:
return(opcode.ToString() + " " + target);
case OPCODE.PUSHINT:
case OPCODE.PUSHBOOL:
case OPCODE.POP:
case OPCODE.DECL:
return(opcode.ToString() + " " + argument.ToString());
case OPCODE.LVAL:
case OPCODE.RVALINT:
case OPCODE.RVALBOOL:
return(opcode.ToString() + " " + argument.ToString() + "(FP)");
case OPCODE.ASSINT:
case OPCODE.ASSBOOL:
case OPCODE.ADD:
case OPCODE.LTINT:
case OPCODE.GTINT:
case OPCODE.EQINT:
case OPCODE.WRITEINT:
case OPCODE.WRITEBOOL:
case OPCODE.LINK:
case OPCODE.UNLINK:
case OPCODE.RTS:
case OPCODE.END:
case OPCODE.NOT:
case OPCODE.SUB:
case OPCODE.MUL:
case OPCODE.DIV:
case OPCODE.NEG:
return(opcode.ToString() + " ");
}
throw new NotImplementedException();
}
public override string ToString()
{
switch (opCode)
{
case OPCODE.JR:
return("JR " + gp_1.ToString());
case OPCODE.LUI:
return("LUI " + gp_dest.ToString() + " 0x" + immediate.ToString("X4"));
case OPCODE.ADDIU:
return("ADDIU " + gp_dest.ToString() + " " + gp_1.ToString() + " 0x" + immediate.ToString("X4"));
case OPCODE.JAL:
return("JAL 0x" + jump_to_func.ToString("X8"));
}
return(opCode.ToString());
}
public override string ToString()
{
switch (QR)
{
case DNS.QR.Q:
return(string.Format("Request: {0}",
OPCODE.ToString()
));
case DNS.QR.R:
return(string.Format("{0}: {1} RD={2} RA={3} {4} {5}",
(AA ? "Authoritative Response" : "Non-Authoritative Response"),
OPCODE.ToString(),
(RD ? "1" : "0"),
(RA ? "1" : "0"),
RCODE.ToString(),
(TC ? "TRUNCATED " : "")
));
}
// throw new InvalidOperationException("Unexpected QR value.");
// CA1065 Do not raise exceptions in unexpected locations
return(null);
}
public Instruction CreateInstruction(int positionPointer)
{
int memoryValue = this.Memory[positionPointer];
string opCodeMode = memoryValue.ToString("D5");
OPCODE code = (OPCODE)int.Parse(opCodeMode.Substring(3, 2));
List <MODE> modes = new List <MODE>();
MODE modeParam1;
MODE modeParam2;
MODE modeParam3;
List <int> parameters = new List <int>();
switch (code)
{
case OPCODE.add:
modeParam1 = (MODE)int.Parse(opCodeMode.Substring(2, 1));
modeParam2 = (MODE)int.Parse(opCodeMode.Substring(1, 1));
modeParam3 = (MODE)int.Parse(opCodeMode.Substring(0, 1));
modes.Add(modeParam1);
modes.Add(modeParam2);
modes.Add(modeParam3);
parameters.Add(this.Memory[positionPointer + 1]);
parameters.Add(this.Memory[positionPointer + 2]);
parameters.Add(this.Memory[positionPointer + 3]);
break;
case OPCODE.multiply:
modeParam1 = (MODE)int.Parse(opCodeMode.Substring(2, 1));
modeParam2 = (MODE)int.Parse(opCodeMode.Substring(1, 1));
modeParam3 = (MODE)int.Parse(opCodeMode.Substring(0, 1));
modes.Add(modeParam1);
modes.Add(modeParam2);
modes.Add(modeParam3);
parameters.Add(this.Memory[positionPointer + 1]);
parameters.Add(this.Memory[positionPointer + 2]);
parameters.Add(this.Memory[positionPointer + 3]);
break;
case OPCODE.Input:
modeParam1 = (MODE)int.Parse(opCodeMode.Substring(2, 1));
modes.Add(modeParam1);
parameters.Add(this.Memory[positionPointer + 1]);
break;
case OPCODE.Output:
modeParam1 = (MODE)int.Parse(opCodeMode.Substring(2, 1));
modes.Add(modeParam1);
parameters.Add(this.Memory[positionPointer + 1]);
break;
case OPCODE.finish:
break;
default:
throw new ArgumentException("Create Instruction: Unkown IntCode: " + code.ToString());
}
return(new Instruction(code, modes, parameters));
}