// dotnet run scripts/Analyze.cs -- <file.asm> <pattern>
using System.Text;
using System.Text.RegularExpressions;

string path = args[0];
string pattern = args[1];

byte[] data = File.ReadAllBytes(path);
string testo = Encoding.Latin1.GetString(data);

foreach (Match m in Regex.Matches(testo, pattern))
{
    int s = Math.Max(0, m.Index - 24);
    int e = Math.Min(testo.Length, m.Index + m.Length + 24);
    string ctx = testo.Substring(s, e - s).Replace("\r", "\\r").Replace("\n", "\\n");
    string hexCtx = string.Join(" ", data.Skip(s).Take(e - s).Select(b => b.ToString("x2")));
    Console.WriteLine($"offset={m.Index:x} val={m.Value}");
    Console.WriteLine($"  txt: {ctx}");
    Console.WriteLine($"  hex: {hexCtx}");
}
return 0;