protected void HandleMemByte(string[] tokens)
{
if (tokens is null)
{
throw new ArgumentNullException(nameof(tokens));
}
if (tokens.Length != 2 && tokens.Length != 3)
{
writer.WriteLine("usage: mb <address> [value]");
}
else
{
string address = tokens[1];
if (tokens.Length == 2)
{
try
{
int addr = ParseInt(address);
if (addr < 0 || addr >= memory.Size())
{
writer.WriteLine("Address out of range");
}
else
{
writer.WriteLine("{0} {1}", addr.ToString("x", CultureInfo.InvariantCulture), cpu.ReadMemoryByte(addr).ToString("x", CultureInfo.InvariantCulture));
}
}
catch (FormatException e)
{
writer.Write(e.StackTrace);
}
}
else
{
string value = tokens[2];
try
{
int addr = ParseInt(address);
if (addr < 0 || addr >= memory.Size())
{
writer.WriteLine("Address out of range");
return;
}
int v = ParseInt(value);
cpu.WriteMemoryByte(addr, v);
}
catch (FormatException e)
{
writer.Write(e.StackTrace);
}
}
}
}