public void Run()
{
//DebugOut("Z-machine version {0}", zversion);
ResetHeaderFields(true);
io.EraseWindow(-1);
pc = (ushort)GetWord(0x06);
cache = new LruCache <int, CachedCode>(cacheSize);
#if BENCHMARK
// reset performance stats
cycles = 0;
startTime = Environment.TickCount;
creditedTime = 0;
cacheHits = 0;
cacheMisses = 0;
#endif
running = true;
try
{
JitLoop();
}
finally
{
running = false;
if (cmdRdr != null)
{
cmdRdr.Dispose();
cmdRdr = null;
}
if (cmdWtr != null)
{
cmdWtr.Dispose();
cmdWtr = null;
}
}
#if BENCHMARK
// show performance report
int billedMillis = Environment.TickCount - startTime - creditedTime;
TimeSpan billedTime = new TimeSpan(10000 * billedMillis);
io.PutString("\n\n*** Performance Report ***\n");
io.PutString(string.Format("Cycles: {0}\nTime: {1}\nSpeed: {2:0.0} cycles/sec\n",
cycles,
billedTime,
cycles * 1000 / (double)billedMillis));
#if DISABLE_CACHE
io.PutString("Code cache was disabled.\n");
#else
io.PutString(string.Format("Final cache use: {1} instructions in {0} fragments\n",
cache.Count,
cache.CurrentSize));
io.PutString(string.Format("Peak cache use: {0} instructions\n", cache.PeakSize));
io.PutString(string.Format("Cache hits: {0}. Misses: {1}.\n", cacheHits, cacheMisses));
#endif // DISABLE_CACHE
#endif // BENCHMARK
}
private void SetOutputStream(short num, ushort address)
{
bool enabled = true;
if (num < 0)
{
num = (short)-num;
enabled = false;
}
switch (num)
{
case 1:
// normal
normalOutput = enabled;
break;
case 2:
// transcript
io.Transcripting = enabled;
break;
case 3:
// memory (nestable up to 16 levels)
if (enabled)
{
if (tableOutputAddrStack.Count == 16)
{
throw new Exception("Output stream 3 nested too deeply");
}
if (address < 64 || address + 1 >= romStart)
{
throw new Exception("Output stream 3 address is out of range");
}
tableOutput = true;
tableOutputAddrStack.Push(address);
tableOutputBufferStack.Push(new List <byte>());
}
else if (tableOutput)
{
address = tableOutputAddrStack.Pop();
List <byte> buffer = tableOutputBufferStack.Pop();
int len = Math.Min(buffer.Count, romStart - address - 2);
SetWord(address, (short)len);
for (int i = 0; i < len; i++)
{
SetByte(address + 2 + i, buffer[i]);
}
if (tableOutputAddrStack.Count == 0)
{
tableOutput = false;
}
}
break;
case 4:
// player's commands
if (enabled)
{
Stream cmdStream = io.OpenCommandFile(true);
if (cmdStream != null)
{
if (cmdWtr != null)
{
cmdWtr.Dispose();
}
try
{
cmdWtr = new CommandFileWriter(cmdStream);
}
catch
{
cmdWtr = null;
}
}
}
else
{
if (cmdWtr != null)
{
cmdWtr.Dispose();
cmdWtr = null;
}
}
break;
default:
throw new Exception("Invalid output stream #" + num.ToString());
}
}
private void SetOutputStream(short num, ushort address)
{
bool enabled = true;
if (num < 0)
{
num = (short)-num;
enabled = false;
}
switch (num)
{
case 1:
// normal
normalOutput = enabled;
break;
case 2:
// transcript
io.Transcripting = enabled;
break;
case 3:
// memory (nestable up to 16 levels)
if (enabled)
{
if (tableOutputAddrStack.Count == 16)
throw new Exception("Output stream 3 nested too deeply");
if (address < 64 || address + 1 >= romStart)
throw new Exception("Output stream 3 address is out of range");
tableOutput = true;
tableOutputAddrStack.Push(address);
tableOutputBufferStack.Push(new List<byte>());
}
else if (tableOutput)
{
address = tableOutputAddrStack.Pop();
List<byte> buffer = tableOutputBufferStack.Pop();
int len = Math.Min(buffer.Count, romStart - address - 2);
SetWord(address, (short)len);
for (int i = 0; i < len; i++)
SetByte(address + 2 + i, buffer[i]);
if (tableOutputAddrStack.Count == 0)
tableOutput = false;
}
break;
case 4:
// player's commands
if (enabled)
{
Stream cmdStream = io.OpenCommandFile(true);
if (cmdStream != null)
{
if (cmdWtr != null)
cmdWtr.Dispose();
try
{
cmdWtr = new CommandFileWriter(cmdStream);
}
catch
{
cmdWtr = null;
}
}
}
else
{
if (cmdWtr != null)
{
cmdWtr.Dispose();
cmdWtr = null;
}
}
break;
default:
throw new Exception("Invalid output stream #" + num.ToString());
}
}
public void Run()
{
//DebugOut("Z-machine version {0}", zversion);
ResetHeaderFields(true);
io.EraseWindow(-1);
if (zversion <= 4)
io.ScrollFromBottom = true;
if (zversion == 6)
{
EnterFunctionImpl(GetWord(0x06), null, -1, -1);
}
else
{
pc = (ushort)GetWord(0x06);
}
cache = new LruCache<int, CachedCode>(cacheSize);
#if BENCHMARK
// reset performance stats
cycles = 0;
startTime = Environment.TickCount;
creditedTime = 0;
cacheHits = 0;
cacheMisses = 0;
#endif
running = true;
try
{
JitLoop();
}
finally
{
running = false;
if (cmdRdr != null)
{
cmdRdr.Dispose();
cmdRdr = null;
}
if (cmdWtr != null)
{
cmdWtr.Dispose();
cmdWtr = null;
}
}
#if BENCHMARK
// show performance report
int billedMillis = Environment.TickCount - startTime - creditedTime;
TimeSpan billedTime = new TimeSpan(10000 * billedMillis);
io.PutString("\n\n*** Performance Report ***\n");
io.PutString(string.Format("Cycles: {0}\nTime: {1}\nSpeed: {2:0.0} cycles/sec\n",
cycles,
billedTime,
cycles * 1000 / (double)billedMillis));
#if DISABLE_CACHE
io.PutString("Code cache was disabled.\n");
#else
io.PutString(string.Format("Final cache use: {1} instructions in {0} fragments\n",
cache.Count,
cache.CurrentSize));
io.PutString(string.Format("Peak cache use: {0} instructions\n", cache.PeakSize));
io.PutString(string.Format("Cache hits: {0}. Misses: {1}.\n", cacheHits, cacheMisses));
MeasureCacheOverlap();
#endif // DISABLE_CACHE
#endif // BENCHMARK
}