/// <summary>
/// Formats and stringifies an instruction as well as its parameters.
/// </summary>
/// <param name="currPgrmCtr">The value that the program counter would theoretically be at
/// upon encountering this instruction.</param>
/// <param name="inst">The disassembled instruction to stringify.</param>
/// <param name="symTable">A reverse symbol table used to map addresses back to label names.</param>
/// <returns>A string representing the instruction and its parameters that can be written to a text file.</returns>
public string GetFormattedInstruction(int currPgrmCtr, DisassembledInstruction inst, ReverseSymbolTable symTable)
{
string retStr = string.Empty;
// first, see if the program counter has a symbol mapped to it.
if (symTable.ContainsSymbol(currPgrmCtr))
{
Symbol sym = symTable.GetSymbol(currPgrmCtr);
retStr += sym.LabelName + ":\t\t";
}
else
{
retStr += "\t\t\t";
}
retStr += "flw ";
if (inst.Parameters.Count() != 3)
{
throw new ArgumentException("Floating point I instruction expected 3 arguments, received " + inst.Parameters.Count());
}
string rd = ReverseRegisterMap.GetStringifiedFloatingPtRegisterValue(inst.Parameters.ElementAt(0));
string rs1 = ReverseRegisterMap.GetStringifiedRegisterValue(inst.Parameters.ElementAt(1));
int offset = inst.Parameters.ElementAt(2);
retStr += rd + ", " + offset + "(" + rs1 + ")";
return(retStr);
}
/// <summary>
/// Formats and stringifies an instruction as well as its parameters.
/// </summary>
/// <param name="currPgrmCtr">The value that the program counter would theoretically be at
/// upon encountering this instruction.</param>
/// <param name="inst">The disassembled instruction to stringify.</param>
/// <param name="symTable">A reverse symbol table used to map addresses back to label names.</param>
/// <returns>A string representing the instruction and its parameters that can be written to a text file.</returns>
public string GetFormattedInstruction(int currPgrmCtr, DisassembledInstruction inst, ReverseSymbolTable symTable)
{
string retStr = string.Empty;
// first, see if the program counter has a symbol mapped to it.
if (symTable.ContainsSymbol(currPgrmCtr))
{
Symbol sym = symTable.GetSymbol(currPgrmCtr);
retStr += sym.LabelName + ":\t\t";
}
else
{
retStr += "\t\t\t";
}
retStr += m_Name + ' ';
if (inst.Parameters.Count() != 2)
{
throw new ArgumentException("U-type instruction expected 2 arguments, received " + inst.Parameters.Count());
}
string rd = ReverseRegisterMap.GetStringifiedRegisterValue(inst.Parameters.ElementAt(0));
int immediate = inst.Parameters.ElementAt(1);
retStr += rd + ", 0x" + immediate.ToString("X2");
return(retStr);
}
public void Execute(string[] args)
{
string fmtString = args[0];
if (fmtString.Contains("\""))
{
fmtString = fmtString.Replace("\"", string.Empty);
}
fmtString = fmtString.Trim();
int regItr = 0;
foreach (var iRegister in m_Registers.UserIntRegisters)
{
string regName = ReverseRegisterMap.GetStringifiedRegisterValue(regItr);
m_Terminal.PrintString(regName + " (" + regItr + ") = " + iRegister.Value.ToString(fmtString) + '\n');
++regItr;
}
regItr = 0;
foreach (var fRegister in m_Registers.UserFloatingPointRegisters)
{
string regName = ReverseRegisterMap.GetStringifiedFloatingPtRegisterValue(regItr);
m_Terminal.PrintString(regName + " (" + regItr + ") = " + fRegister.Value.ToString(fmtString) + '\n');
++regItr;
}
}
/// <summary>
/// Formats and stringifies an instruction as well as its parameters.
/// </summary>
/// <param name="currPgrmCtr">The value that the program counter would theoretically be at
/// upon encountering this instruction.</param>
/// <param name="inst">The disassembled instruction to stringify.</param>
/// <param name="symTable">A reverse symbol table used to map addresses back to label names.</param>
/// <returns>A string representing the instruction and its parameters that can be written to a text file.</returns>
public string GetFormattedInstruction(int currPgrmCtr, DisassembledInstruction inst, ReverseSymbolTable symTable)
{
string retStr = string.Empty;
// first, see if the program counter has a symbol mapped to it.
if (symTable.ContainsSymbol(currPgrmCtr))
{
Symbol sym = symTable.GetSymbol(currPgrmCtr);
retStr += sym.LabelName + ":\t\t";
}
else
{
retStr += "\t\t\t";
}
retStr += m_Name + ' ';
if (inst.Parameters.Count() != 3)
{
throw new ArgumentException("sb instruction expected 3 arguments, received " + inst.Parameters.Count());
}
string rs1 = ReverseRegisterMap.GetStringifiedRegisterValue(inst.Parameters.ElementAt(0));
string rs2 = ReverseRegisterMap.GetStringifiedRegisterValue(inst.Parameters.ElementAt(1));
retStr += rs1 + ", " + rs2 + ", ";
int offset = inst.Parameters.ElementAt(2);
int address = currPgrmCtr + offset;
// see if there's a symbol mapped to it.
if (symTable.ContainsSymbol(address))
{
Symbol sym = symTable.GetSymbol(address);
retStr += sym.LabelName;
}
else
{
retStr += "0x" + address.ToString("X2");
}
return(retStr);
}
public void Execute(string[] args)
{
int regItr = 0;
foreach (var iRegister in m_RegMgr.UserIntRegisters)
{
string regName = ReverseRegisterMap.GetStringifiedRegisterValue(regItr);
m_Terminal.PrintString(regName + " (" + regItr + ") = " + iRegister.Value.ToString() + '\n');
++regItr;
}
regItr = 0;
foreach (var fRegister in m_RegMgr.UserFloatingPointRegisters)
{
string regName = ReverseRegisterMap.GetStringifiedFloatingPtRegisterValue(regItr);
m_Terminal.PrintString(regName + " (" + regItr + ") = " + fRegister.Value.ToString("0.0######") + '\n');
++regItr;
}
}
