Moved JS-related constant definitions to here (from sbbs.h).

Added macro definitions for max branches and time-slice yield frequency.

src/sbbs3/sbbsdefs.h

@@ -63,6 +63,13 @@
 
 #define BIND_FAILURE_HELP	"!Another application or service may be using this port"
 
+#ifdef JAVASCRIPT
+	#define	JAVASCRIPT_MAX_BYTES		(8*1024*1024)
+	#define JAVASCRIPT_CONTEXT_STACK	(16*1024)
+	#define JAVASCRIPT_BRANCH_LIMIT		100000000
+	#define JAVASCRIPT_YIELD_FREQUENCY	10000
+#endif
+
 #ifndef __FLAT__
 #define __FLAT__	/* 32-bit "flat" memory model */
 #endif