public VirtualCPU(byte arch, bool initCache = false, int CacheSize = 0)
{
this.arch = arch;
isCacheInit = initCache;
if (isCacheInit && CacheSize > 0)
{
Cache = new VirtualMemory();
}
else
{
isCacheInit = false;
}
return;
}
public void ReadData()
{
try
{
if (FileName != null && Data == null)
{
if (!File.Exists(FileName))
{
throw new FileNotFoundException();
}
Data = File.ReadAllBytes(FileName);
}
if (Type == 0)
{
Type = Data[0];
}
InstructionSet = Data[1];
List <int> tempRam = new List <int>();
int i;
for (i = 2; i < Data.Length; i += 4)
{
List <byte> temp = new List <byte>();
if (Data[i] == 0xFF && Data[i + 1] == 0xFA && Data[i + 2] == 0xFF && Data[i + 3] == 0xFA && Data[i + 4] == 0xFB)
{
i += 5;
break;
}
for (int c = 0; c < 4; c++)
{
temp.Add(Data[i + c]);
}
int d = BitConverter.ToInt32(temp.ToArray(), 0);
tempRam.Add(d);
}
if (Type != 1 && Type != 2 && Type != 3)
{
throw new NotImplementedException();
}
List <byte> tempOP = new List <byte>();
for (; i < Data.Length; i++)
{
tempOP.Add(Data[i]);
}
if (Type == 1)
{
op8 = tempOP.ToArray();
}
else if (Type == 2)
{
List <short> temp16OP = new List <short>();
for (i = 0; i < tempOP.Count; i++)
{
List <byte> toAdd = new List <byte>();
for (int c = 0; c < 2; c++)
{
toAdd.Add(tempOP[c + i]);
}
temp16OP.Add(BitConverter.ToInt16(toAdd.ToArray(), 0));
}
op16 = temp16OP.ToArray();
}
else if (Type == 3)
{
List <int> temp32OP = new List <int>();
for (i = 0; i < tempOP.Count; i += 4)
{
List <byte> toAdd = new List <byte>();
for (int c = 0; c < 4; c++)
{
toAdd.Add(tempOP[c + i]);
}
toAdd.Reverse();
temp32OP.Add(BitConverter.ToInt32(toAdd.ToArray(), 0));
}
op32 = temp32OP.ToArray();
}
Data = null;
Memory = new VirtualMemory();
Memory.AddArray(tempRam);
if (usingInstructionSet == null)
{
usingInstructionSet = Types.Sets[InstructionSet];
}
}
catch (Exception ex)
{
Sys.Console.WriteLine($"Error reading executable data: {ex.Message}");
}
}