static void Main(string[] args)
{
var functions = new List <Function>();
var branches = new Queue <long>();
var labels = new List <long>();
Arguments.Load(args);
var apu = new AudioProcessingUnit();
var data = File.ReadAllBytes(Arguments.Path);
apu.Ram.Data = data;
using var stream = new MemoryStream(apu.Ram.Data);
var reader = new SpcReader {
Stream = stream
};
branches.Enqueue(0x02B0);
labels.Add(0x02B0);
while (branches.Any())
{
var offset = branches.Dequeue();
if (!functions.Any(x => x.Entry <= offset && x.Exit >= offset))
{
stream.Position = offset;
var function = Read(reader);
functions.Add(function);
foreach (var branch in function.Branches.OrderBy(x => x))
{
if (!functions.Any(y => y.Entry <= branch && y.Exit >= branch) &&
!branches.Contains(branch))
{
branches.Enqueue(branch);
}
if (!labels.Contains(branch))
{
labels.Add(branch);
}
}
}
}
functions = functions.OrderBy(x => x.Entry).ToList();
foreach (var function in functions.OrderBy(x => x.Entry))
{
stream.Position = function.Entry;
while ((stream.Position <= function.Exit) && reader.Read())
{
if (labels.Contains(reader.Offset))
{
Console.WriteLine();
Console.WriteLine(reader.Offset.ToString("X4") + ":");
}
switch (Spc.OpCodes[reader.OpCode].Type)
{
case Spc.InstructionType.DirectToDirect:
case Spc.InstructionType.ImmediateToDirect:
Console.WriteLine(reader.Offset.ToString("X4") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (reader.Value.Value & 0xff).ToString("X2") + ", " + ((reader.Value.Value >> 8) & 0xff).ToString("X2"));
//Console.WriteLine("\t" + Spc.OpCodes[reader.OpCode].Name + " " + (reader.Value.Value & 0xff).ToString("X2") + ", " + ((reader.Value.Value >> 8) & 0xff).ToString("X2"));
//Console.WriteLine("\t" + reader.OpCode.ToString("X2") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (reader.Value.Value & 0xff).ToString("X2") + ", " + ((reader.Value.Value >> 8) & 0xff).ToString("X2"));
break;
case Spc.InstructionType.Relative:
Console.WriteLine(reader.Offset.ToString("X4") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (stream.Position + (sbyte)reader.Value.Value).ToString("X4"));
//Console.WriteLine("\t" + Spc.OpCodes[reader.OpCode].Name + " " + (stream.Position + reader.Value.Value).ToString("X4"));
//Console.WriteLine("\t" + reader.OpCode.ToString("X2") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (stream.Position + (sbyte)reader.Value.Value).ToString("X4"));
break;
default:
Console.WriteLine(reader.Offset.ToString("X4") + " " + Spc.OpCodes[reader.OpCode].Name + (reader.Value.HasValue ? " " + reader.Value.Value.ToString("X4") : string.Empty));
//Console.WriteLine("\t" + Spc.OpCodes[reader.OpCode].Name + (reader.Value.HasValue ? " " + reader.Value.Value.ToString("X4") : string.Empty));
//Console.WriteLine("\t" + reader.OpCode.ToString("X2") + " " + Spc.OpCodes[reader.OpCode].Name + (reader.Value.HasValue ? " " + reader.Value.Value.ToString("X4") : string.Empty));
break;
}
}
}
}
private static Function Read(SpcReader reader)
{
var entry = reader.Stream.Position;
var exit = 0L;
var branches = new List <long>();
while ((exit == 0L) && reader.Read())
{
switch (reader.OpCode)
{
case 0x1F:
case 0x6F:
case 0x7F:
exit = reader.Offset;
break;
case 0x2F:
branches.Add(reader.Value.Value + reader.Stream.Position);
exit = reader.Offset;
break;
case 0x5F:
branches.Add(reader.Value.Value);
exit = reader.Offset;
break;
case 0x3F:
branches.Add(reader.Value.Value);
break;
case 0x10:
case 0x30:
case 0x50:
case 0x6e:
case 0x70:
case 0x90:
case 0xb0:
case 0xd0:
case 0xf0:
case 0xfe:
branches.Add(reader.Value.Value + reader.Stream.Position);
break;
case 0x03:
case 0x13:
case 0x23:
case 0x33:
case 0x43:
case 0x53:
case 0x63:
case 0x73:
case 0x83:
case 0x93:
case 0xa3:
case 0xb3:
case 0xc3:
case 0xd3:
case 0xe3:
case 0xf3:
//branches.Add((sbyte)(reader.Value.Value & 0xff) + reader.Stream.Position);
branches.Add((sbyte)((reader.Value.Value >> 8) & 0xff) + reader.Stream.Position);
break;
}
}
return(new Function
{
Entry = entry,
Exit = exit,
Branches = branches.ToArray()
});
}
static void Main(string[] args)
{
var functions = new List <Function>();
var branches = new Queue <long>();
var labels = new List <long>();
Arguments.Load(args);
var apu = new AudioProcessingUnit();
//var data = File.ReadAllBytes(Arguments.Path);
var data = File.ReadAllBytes(@"C:\Users\joshu\source\Workspaces\StarFoxBrowser\StarFoxBrowser\Resources\StarFoxUsa10.bin");
Array.Copy(data, 0x0c0004, apu.Ram.Data, 0x3ee8, 24);
Array.Copy(data, 0x0c0020, apu.Ram.Data, 0x0400, 10239);
Array.Copy(data, 0x0c2823, apu.Ram.Data, 0x3e20, 155);
using var stream = new MemoryStream(apu.Ram.Data);
var reader = new SpcReader {
Stream = stream
};
branches.Enqueue(0x0400);
labels.Add(0x0400);
branches.Enqueue(0x09c9);
labels.Add(0x09c9);
branches.Enqueue(0x09d9);
labels.Add(0x09d9);
branches.Enqueue(0x09ff);
labels.Add(0x09ff);
branches.Enqueue(0x0a11);
labels.Add(0x0a11);
branches.Enqueue(0x0a14);
labels.Add(0x0a14);
branches.Enqueue(0x0a23);
labels.Add(0x0a23);
branches.Enqueue(0x0a2f);
labels.Add(0x0a2f);
branches.Enqueue(0x0a60);
labels.Add(0x0a60);
branches.Enqueue(0x0a69);
labels.Add(0x0a69);
branches.Enqueue(0x0a91);
labels.Add(0x0a91);
branches.Enqueue(0x09c9);
labels.Add(0x09c9);
branches.Enqueue(0x0a32);
labels.Add(0x0a32);
branches.Enqueue(0x0a36);
labels.Add(0x0a36);
branches.Enqueue(0x0a59);
labels.Add(0x0a59);
branches.Enqueue(0x0a82);
labels.Add(0x0a82);
branches.Enqueue(0x0ab4);
labels.Add(0x0ab4);
branches.Enqueue(0x0aeb);
labels.Add(0x0aeb);
branches.Enqueue(0x0af2);
labels.Add(0x0af2);
branches.Enqueue(0x0aca);
labels.Add(0x0aca);
branches.Enqueue(0x0b5d);
labels.Add(0x0b5d);
branches.Enqueue(0x0b5a);
labels.Add(0x0b5a);
while (branches.Any())
{
var offset = branches.Dequeue();
if (!functions.Any(x => x.Entry <= offset && x.Exit >= offset))
{
stream.Position = offset;
var function = Read(reader);
functions.Add(function);
foreach (var branch in function.Branches.OrderBy(x => x))
{
if (!functions.Any(y => y.Entry <= branch && y.Exit >= branch) &&
!branches.Contains(branch))
{
branches.Enqueue(branch);
}
if (!labels.Contains(branch))
{
labels.Add(branch);
}
}
}
}
functions = functions.OrderBy(x => x.Entry).ToList();
foreach (var function in functions.OrderBy(x => x.Entry))
{
stream.Position = function.Entry;
while ((stream.Position <= function.Exit) && reader.Read())
{
if (labels.Contains(reader.Offset))
{
Console.WriteLine();
Console.WriteLine(reader.Offset.ToString("X4") + ":");
}
switch (Spc.OpCodes[reader.OpCode].Type)
{
case Spc.InstructionType.DirectToDirect:
case Spc.InstructionType.ImmediateToDirect:
Console.WriteLine(reader.Offset.ToString("X4") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (reader.Value.Value & 0xff).ToString("X2") + ", " + ((reader.Value.Value >> 8) & 0xff).ToString("X2"));
//Console.WriteLine("\t" + Spc.OpCodes[reader.OpCode].Name + " " + (reader.Value.Value & 0xff).ToString("X2") + ", " + ((reader.Value.Value >> 8) & 0xff).ToString("X2"));
//Console.WriteLine("\t" + reader.OpCode.ToString("X2") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (reader.Value.Value & 0xff).ToString("X2") + ", " + ((reader.Value.Value >> 8) & 0xff).ToString("X2"));
break;
case Spc.InstructionType.Relative:
Console.WriteLine(reader.Offset.ToString("X4") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (stream.Position + (sbyte)reader.Value.Value).ToString("X4"));
//Console.WriteLine("\t" + Spc.OpCodes[reader.OpCode].Name + " " + (stream.Position + reader.Value.Value).ToString("X4"));
//Console.WriteLine("\t" + reader.OpCode.ToString("X2") + " " + Spc.OpCodes[reader.OpCode].Name + " " + (stream.Position + (sbyte)reader.Value.Value).ToString("X4"));
break;
default:
Console.WriteLine(reader.Offset.ToString("X4") + " " + Spc.OpCodes[reader.OpCode].Name + (reader.Value.HasValue ? " " + reader.Value.Value.ToString("X4") : string.Empty));
//Console.WriteLine("\t" + Spc.OpCodes[reader.OpCode].Name + (reader.Value.HasValue ? " " + reader.Value.Value.ToString("X4") : string.Empty));
//Console.WriteLine("\t" + reader.OpCode.ToString("X2") + " " + Spc.OpCodes[reader.OpCode].Name + (reader.Value.HasValue ? " " + reader.Value.Value.ToString("X4") : string.Empty));
break;
}
}
}
}