Functor values and propagation.

vvp/schedule.h

@@ -19,20 +19,43 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: schedule.h,v 1.1 2001/03/11 00:29:39 steve Exp $"
+#ident "$Id: schedule.h,v 1.2 2001/03/11 22:42:11 steve Exp $"
 #endif
 
 # include  "vthread.h"
 # include  "pointers.h"
 
+/*
+ * This causes a thread to be scheduled for execution. The schedule
+ * puts the event into the event queue after any existing events for a
+ * given time step. The delay is a relative time.
+ */
 extern void schedule_vthread(vthread_t thr, unsigned delay);
 
+/*
+ * Create a propagation event. The fun parameter points to the functor
+ * to have its output propagated, and the delay is the delay to
+ * schedule the propagation.
+ */
 extern void schedule_functor(vvp_ipoint_t fun, unsigned delay);
 
+/*
+ * Create an assignment event. The val passed here will be assigned to
+ * the specified input when the delay times out.
+ */
+extern void schedule_assign(vvp_ipoint_t fun, unsigned char val,
+			    unsigned delay);
+
+/*
+ * This runs the simulator. It runs until all the functors run out.
+ */
 extern void schedule_simulate(void);
 
 /*
  * $Log: schedule.h,v $
+ * Revision 1.2  2001/03/11 22:42:11  steve
+ *  Functor values and propagation.
+ *
  * Revision 1.1  2001/03/11 00:29:39  steve
  *  Add the vvp engine to cvs.
  *