protected void HandleLoad(string[] tokens)
{
if (tokens is null)
{
throw new ArgumentNullException(nameof(tokens));
}
if (tokens.Length != 3)
{
writer.WriteLine("usage: load <address> <file>");
return;
}
int address;
try
{
address = ParseInt(tokens[1]);
}
catch (FormatException)
{
writer.WriteLine($"Invalid address specified [{tokens[1]}]");
return;
}
string filePath = tokens[2];
if (!File.Exists(filePath))
{
writer.WriteLine($"Cannot find file [{tokens[2]}]");
return;
}
if (address + filePath.Length >= memory.Size())
{
writer.WriteLine($"Need larger memory to load this file at {tokens[1]}");
return;
}
try
{
byte[] fileContents = File.ReadAllBytes(filePath);
foreach (var item in fileContents)
{
memory.WriteByte(address, item);
address++;
}
}
catch (IOException e)
{
writer.Write(e.StackTrace);
}
}
