//Cycles
public void fetch()
{
//First Get the instruction from the address of the pc counter.
//Since the memory can load directly without the need of the full address,
//Calculate the offset
int offset = PC - 4194304;
//Now fetch;
IR = Mem.loadInstruction(offset);
//First check if IR =0
int IR_int = Convert.ToInt32(IR, 2);
if (IR_int == 0)
{
//Now check if Clock == 0;
if (clock == 0)
{
running = false;
EmptyInstructions.Invoke();
}
else
{
running = false;
Terminate_Dropped.Invoke("Program Dropped...\n");
}
}
else
{
running = true;
//Now increment the PC;
PC += 4; //by one because LoadInstruction handles the stuff.. ;)
Fetched.Invoke();
}
}
private static async Task <XDocument> LoadFromUrlAsync(Uri url)
{
using (var httpClient = new HttpClient())
{
httpClient.DefaultRequestHeaders.Add(
"User-Agent",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.3; WOW64; Trident/7.0; Touch; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729; Tablet PC 2.0)");
Fetching?.Invoke(null, new FetchingEventArgs(url));
try
{
using (var hs = await httpClient.GetStreamAsync(url))
{
var document = SgmlReader.Parse(hs);
Fetched?.Invoke(null, new FetchedEventArgs(url, document, null));
return(document);
}
}
catch (Exception ex)
{
Fetched?.Invoke(null, new FetchedEventArgs(url, null, ex));
throw;
}
}
}