--- uae/src/include/events.h	2018/04/24 16:53:30	1.1.1.8
+++ uae/src/include/events.h	2018/04/24 17:17:09	1.1.1.13
@@ -10,12 +10,29 @@
   */
 
 #include "machdep/rpt.h"
+
+extern int use_gtod;
+
 extern frame_time_t vsynctime, vsyncmintime;
-extern void reset_frame_rate_hack (void);
+extern frame_time_t gtod_resolution;
+extern int vsyncmintime_valid;
+
+extern frame_time_t first_measured_gtod;
+extern unsigned long gtod_secs;
+extern unsigned long nr_gtod_to_skip;
+extern unsigned long nr_gtod_done, gtod_counter;
+
 extern int rpt_available;
 
-extern unsigned long int cycles, nextevent, is_lastline;
-extern unsigned long int sample_evtime;
+extern void reset_frame_rate_hack (void);
+extern void compute_vsynctime (void);
+extern void time_vsync (void);
+
+extern unsigned long currcycle, nextevent;
+
+extern int is_lastline;
+extern volatile int blocking_on_sound;
+
 typedef void (*evfunc)(void);
 
 struct ev
@@ -26,62 +43,95 @@ struct ev
 };
 
 enum {
-    ev_hsync, ev_copper, ev_cia, ev_blitter, ev_disk,
+    ev_hsync, ev_copper, ev_audio, ev_cia, ev_blitter, ev_disk,
     ev_max
 };
 
 extern struct ev eventtab[ev_max];
 
+STATIC_INLINE frame_time_t get_current_time (int redo_secs)
+{
+    if (use_gtod) {
+	struct timeval tv;
+	gettimeofday (&tv, NULL);
+	if (redo_secs)
+	    gtod_secs = tv.tv_sec;
+	return tv.tv_usec + (tv.tv_sec - gtod_secs) * 1000000;
+    }
+    return read_processor_time ();
+}
+
 STATIC_INLINE void events_schedule (void)
 {
     int i;
 
     unsigned long int mintime = ~0L;
-    for(i = 0; i < ev_max; i++) {
+    for (i = 0; i < ev_max; i++) {
 	if (eventtab[i].active) {
-	    unsigned long int eventtime = eventtab[i].evtime - cycles;
+	    unsigned long int eventtime = eventtab[i].evtime - currcycle;
 	    if (eventtime < mintime)
 		mintime = eventtime;
 	}
     }
-    nextevent = cycles + mintime;
+    nextevent = currcycle + mintime;
 }
 
 STATIC_INLINE void do_cycles_slow (unsigned long cycles_to_add)
 {
-    if (is_lastline && eventtab[ev_hsync].evtime-cycles <= cycles_to_add
-	&& (long int)(read_processor_time () - vsyncmintime) < 0)
+    if (blocking_on_sound)
 	return;
 
-    if ((nextevent - cycles) <= cycles_to_add) {
-	for (; cycles_to_add != 0; cycles_to_add--) {
-	    if (++cycles == nextevent) {
-		int i;
-
-		for (i = 0; i < ev_max; i++) {
-		    if (eventtab[i].active && eventtab[i].evtime == cycles) {
-			(*eventtab[i].handler)();
-		    }
-		}
-		events_schedule();
+    if (is_lastline
+	&& eventtab[ev_hsync].evtime - currcycle <= cycles_to_add)
+    {
+	static int n_skipped = 0;
+	frame_time_t curr;
+
+	if (gtod_counter++ < nr_gtod_to_skip)
+	    return;
+	gtod_counter = 0;
+	curr = get_current_time (0);
+	if (is_lastline == 1) {
+	    is_lastline = 2;
+	    first_measured_gtod = curr;
+	}
+		
+	if ((long int)(curr - vsyncmintime) < 0) {
+	    nr_gtod_done++;
+	    return;
+	}
+#if 0
+	printf ("skipped %d times\n", nr_gtod_done);
+#endif
+    }
+
+    while ((nextevent - currcycle) <= cycles_to_add) {
+	int i;
+	cycles_to_add -= (nextevent - currcycle);
+	currcycle = nextevent;
+
+	for (i = 0; i < ev_max; i++) {
+	    if (eventtab[i].active && eventtab[i].evtime == currcycle) {
+		(*eventtab[i].handler)();
 	    }
 	}
+	events_schedule();
     }
-    cycles += cycles_to_add;
+    currcycle += cycles_to_add;
 }
 
 STATIC_INLINE void do_cycles_fast (void)
 {
-    if (is_lastline && eventtab[ev_hsync].evtime-cycles <= 1
+    if (is_lastline && eventtab[ev_hsync].evtime - currcycle <= 1
 	&& (long int)(read_processor_time () - vsyncmintime) < 0)
 	return;
 
-    cycles++;
-    if (nextevent == cycles) {
+    currcycle++;
+    if (nextevent == currcycle) {
 	int i;
 
 	for (i = 0; i < ev_max; i++) {
-	    if (eventtab[i].active && eventtab[i].evtime == cycles) {
+	    if (eventtab[i].active && eventtab[i].evtime == currcycle) {
 		(*eventtab[i].handler) ();
 	    }
 	}
@@ -90,6 +140,27 @@ STATIC_INLINE void do_cycles_fast (void)
 
 }
 
+/* This is a special-case function.  Normally, all events should lie in the
+   future; they should only ever be active at the current cycle during
+   do_cycles.  However, a snapshot is saved during do_cycles, and so when
+   restoring it, we may have other events pending.  */
+STATIC_INLINE void handle_active_events (void)
+{
+    int i;
+    for (i = 0; i < ev_max; i++) {
+	if (eventtab[i].active && eventtab[i].evtime == currcycle) {
+	    (*eventtab[i].handler)();
+	}
+    }
+}
+
+STATIC_INLINE unsigned long get_cycles (void)
+{
+    return currcycle;
+}
+
+extern void init_eventtab (void);
+
 #if /* M68K_SPEED == 1 */  0
 #define do_cycles do_cycles_fast
 #else