/// Version number. If this is left empty, the current date (in the format
/// YYMMDD) is used as a version number.
-static const string EngineVersion = "1.8 beta 1";
+static const string EngineVersion = "";
static const string AppName = "Stockfish";
static const string AppTag = "";
//// Variables
////
-bool Chess960;
-
uint64_t dbg_cnt0 = 0;
uint64_t dbg_cnt1 = 0;
const string engine_name() {
- const string cpu64(CpuHas64BitPath ? " 64bit" : "");
+ const string cpu64(CpuIs64Bit ? " 64bit" : "");
if (!EngineVersion.empty())
return AppName + " " + EngineVersion + cpu64;
#endif
-/*
- From Beowulf, from Olithink
-*/
+/// Check for console input. Original code from Beowulf and Olithink
+
#ifndef _WIN32
-/* Non-windows version */
-int Bioskey()
+
+int data_available()
{
- fd_set readfds;
+ fd_set readfds;
struct timeval timeout;
FD_ZERO(&readfds);
FD_SET(fileno(stdin), &readfds);
- /* Set to timeout immediately */
- timeout.tv_sec = 0;
+ timeout.tv_sec = 0; // Set to timeout immediately
timeout.tv_usec = 0;
select(16, &readfds, 0, 0, &timeout);
}
#else
-/* Windows-version */
-#include <windows.h>
-#include <conio.h>
-int Bioskey()
+
+int data_available()
{
- static int init = 0,
- pipe;
- static HANDLE inh;
- DWORD dw;
- /* If we're running under XBoard then we can't use _kbhit() as the input
- * commands are sent to us directly over the internal pipe */
-
-#if defined(FILE_CNT)
- if (stdin->_cnt > 0)
- return stdin->_cnt;
-#endif
- if (!init) {
- init = 1;
+ static HANDLE inh = NULL;
+ static bool usePipe;
+ INPUT_RECORD rec[256];
+ DWORD dw, recCnt;
+
+ if (!inh)
+ {
inh = GetStdHandle(STD_INPUT_HANDLE);
- pipe = !GetConsoleMode(inh, &dw);
- if (!pipe) {
+ usePipe = !GetConsoleMode(inh, &dw);
+ if (!usePipe)
+ {
SetConsoleMode(inh, dw & ~(ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT));
FlushConsoleInputBuffer(inh);
}
}
- if (pipe) {
- if (!PeekNamedPipe(inh, NULL, 0, NULL, &dw, NULL))
- return 1;
- return dw;
- } else {
- // Count the number of unread input records, including keyboard,
- // mouse, and window-resizing input records.
- GetNumberOfConsoleInputEvents(inh, &dw);
- if (dw <= 0)
- return 0;
-
- // Read data from console without removing it from the buffer
- INPUT_RECORD rec[256];
- DWORD recCnt;
- if (!PeekConsoleInput(inh, rec, Min(dw, 256), &recCnt))
- return 0;
-
- // Search for at least one keyboard event
- for (DWORD i = 0; i < recCnt; i++)
- if (rec[i].EventType == KEY_EVENT)
- return 1;
+ // If we're running under XBoard then we can't use PeekConsoleInput() as
+ // the input commands are sent to us directly over the internal pipe.
+ if (usePipe)
+ return PeekNamedPipe(inh, NULL, 0, NULL, &dw, NULL) ? dw : 1;
+
+ // Count the number of unread input records, including keyboard,
+ // mouse, and window-resizing input records.
+ GetNumberOfConsoleInputEvents(inh, &dw);
+
+ // Read data from console without removing it from the buffer
+ if (dw <= 0 || !PeekConsoleInput(inh, rec, Min(dw, 256), &recCnt))
return 0;
- }
+
+ // Search for at least one keyboard event
+ for (DWORD i = 0; i < recCnt; i++)
+ if (rec[i].EventType == KEY_EVENT)
+ return 1;
+
+ return 0;
}
#endif
+
/// prefetch() preloads the given address in L1/L2 cache. This is a non
/// blocking function and do not stalls the CPU waiting for data to be
/// loaded from RAM, that can be very slow.