public string Disassemble(int startAddress = 0, int endAddress = 0, IDictionary<int, string> knownLabels = null, DisassemblyOptions options = null)
{
var results = string.Empty;
options = options ?? new DisassemblyOptions();
var labels = knownLabels ?? new Dictionary<int, string>();
if (endAddress == 0) { endAddress = _cpu.RAM.Length; }
var currentAddress = startAddress;
while (currentAddress < endAddress)
{
if (labels.ContainsKey(currentAddress))
{
results += ":" + labels[currentAddress] + Environment.NewLine;
}
results += Disassemble(ref currentAddress, labels, options);
}
return results;
}
public string Disassemble(ref int address, IDictionary<int, string> knownLabels = null, DisassemblyOptions options = null)
{
var labels = knownLabels ?? new Dictionary<int, string>();
options = options ?? new DisassemblyOptions();
var results = options.IncludeInitialAddress ? string.Format("\t{0:X4}: ", address) : "\t";
var instruction = _cpu.RAM[address];
var opcode = Language.List.FirstOrDefault(o => o.Code == instruction);
if (opcode == null)
{
results += string.Format("!0x{0:X4}", instruction);
address += 1;
}
else
{
results += string.Format("{0, -6}", opcode.Mnemonic);
var idx = 1;
foreach (var parm in opcode.Parameters)
{
if (parm.ParameterType == ParameterType.Address)
{
var addr = _cpu.RAM[address + idx];
if (labels.ContainsKey(addr))
{
results += string.Format(" :{0}", labels[addr]);
}
else
{
results += string.Format(" {0:X4}", addr);
}
}
else
{
results += string.Format(" {0:X4}", _cpu.RAM[address + idx]);
}
idx++;
}
// for (int i = 1; i < opcode.Length; i++) {
// results += string.Format(" {0:X4}", _cpu.RAM[address + i]);
// }
results = string.Format("{0,-50};{1}", results, opcode.Description);
address += opcode.Length;
}
return results + Environment.NewLine;
}