# HG changeset patch
# User nkeynes
# Date 1189226318 0
# Node ID 86aa060ddcecb03b71b3d26e73d64d69aeac3b7f
# Parent  f2fe152cfc9b52e5e576b2aa63ddaa42c3947371
Add time-limited run option (for time trials)

--- a/src/dreamcast.c	Sat Sep 08 04:38:11 2007 +0000
+++ b/src/dreamcast.c	Sat Sep 08 04:38:38 2007 +0000
@@ -1,5 +1,5 @@
 /**
- * $Id: dreamcast.c,v 1.21 2007-01-16 10:34:46 nkeynes Exp $
+ * $Id: dreamcast.c,v 1.22 2007-09-08 04:38:38 nkeynes Exp $
  * Central switchboard for the system. This pulls all the individual modules
  * together into some kind of coherent structure. This is also where you'd
  * add Naomi support, if I ever get a board to play with...
@@ -154,6 +154,42 @@
     dreamcast_state = STATE_STOPPED;
 }
 
+void dreamcast_run_for( unsigned int seconds, unsigned int nanosecs )
+{
+    
+    int i;
+    if( dreamcast_state != STATE_RUNNING ) {
+	for( i=0; i<num_modules; i++ ) {
+	    if( modules[i]->start != NULL )
+		modules[i]->start();
+	}
+    }
+    dreamcast_state = STATE_RUNNING;
+    uint32_t nanos = 0;
+    if( nanosecs != 0 ) {
+        nanos = 1000000000 - nanosecs;
+	seconds++;
+    }
+    while( dreamcast_state == STATE_RUNNING && seconds != 0 ) {
+	int time_to_run = timeslice_length;
+	for( i=0; i<num_modules; i++ ) {
+	    if( modules[i]->run_time_slice != NULL )
+		time_to_run = modules[i]->run_time_slice( time_to_run );
+	}
+	nanos += time_to_run;
+	if( nanos >= 1000000000 ) {
+	    nanos -= 1000000000;
+	    seconds--;
+	}
+    }
+
+    for( i=0; i<num_modules; i++ ) {
+	if( modules[i]->stop != NULL )
+	    modules[i]->stop();
+    }
+    dreamcast_state = STATE_STOPPED;
+}
+
 void dreamcast_stop( void )
 {
     if( dreamcast_state == STATE_RUNNING )
--- a/src/dreamcast.h	Sat Sep 08 04:38:11 2007 +0000
+++ b/src/dreamcast.h	Sat Sep 08 04:38:38 2007 +0000
@@ -1,5 +1,5 @@
 /**
- * $Id: dreamcast.h,v 1.13 2007-08-23 12:33:27 nkeynes Exp $
+ * $Id: dreamcast.h,v 1.14 2007-09-08 04:38:38 nkeynes Exp $
  *
  * Public interface for dreamcast.c -
  * Central switchboard for the system. This pulls all the individual modules
@@ -62,6 +62,7 @@
 void dreamcast_init(void);
 void dreamcast_reset(void);
 void dreamcast_run(void);
+void dreamcast_run_for( unsigned int seconds, unsigned int nanosecs );
 void dreamcast_stop(void);
 
 gboolean dreamcast_load_config( const gchar *filename );
--- a/src/main.c	Sat Sep 08 04:38:11 2007 +0000
+++ b/src/main.c	Sat Sep 08 04:38:38 2007 +0000
@@ -1,5 +1,5 @@
 /**
- * $Id: main.c,v 1.21 2007-09-08 04:05:35 nkeynes Exp $
+ * $Id: main.c,v 1.22 2007-09-08 04:38:38 nkeynes Exp $
  *
  * Main program, initializes dreamcast and gui, then passes control off to
  * the gtk main loop (currently). 
@@ -35,7 +35,7 @@
 
 #define S3M_PLAYER "s3mplay.bin"
 
-char *option_list = "a:s:A:V:puhbd:c:";
+char *option_list = "a:s:A:V:puhbd:c:t:";
 struct option longopts[1] = { { NULL, 0, 0, 0 } };
 char *aica_program = NULL;
 char *s3m_file = NULL;
@@ -46,6 +46,8 @@
 gboolean start_immediately = FALSE;
 gboolean headless = FALSE;
 gboolean without_bios = FALSE;
+uint32_t time_secs = 0;
+uint32_t time_nanos = 0;
 
 audio_driver_t audio_driver_list[] = { &audio_null_driver,
 				       &audio_esd_driver,
@@ -58,6 +60,7 @@
 int main (int argc, char *argv[])
 {
     int opt, i;
+    double t;
 #ifdef ENABLE_NLS
     bindtextdomain (PACKAGE, PACKAGE_LOCALE_DIR);
     textdomain (PACKAGE);
@@ -96,6 +99,10 @@
         case 'h': /* Headless */
             headless = TRUE;
             break;
+	case 't': /* Time limit */
+	    t = strtod(optarg, NULL);
+	    time_secs = (uint32_t)t;
+	    time_nanos = (int)((t - time_secs) * 1000000000);
 	}
     }
 
@@ -172,8 +179,14 @@
 	gdrom_mount_image( disc_file );
     }
 
-    if( start_immediately )
-	dreamcast_run();
+    if( start_immediately ) {
+	if( time_nanos != 0 || time_secs != 0 ) {
+	    dreamcast_run_for(time_secs, time_nanos);
+	    return 0;
+	} else {
+	    dreamcast_run();
+	}
+    }
     if( !headless ) {
         gtk_main ();
     }