implemented CTimeCycle

src/common.h

@@ -134,6 +134,8 @@ inline float sq(float x) { return x*x; }
 int myrand(void);
 void mysrand(unsigned int seed);
 
+extern uint8 work_buff[55000];
+
 void re3_debug(char *format, ...);
 void re3_trace(const char *filename, unsigned int lineno, const char *func, char *format, ...);
 void re3_assert(const char *expr, const char *filename, unsigned int lineno, const char *func);