Index: sub_cc.c
===================================================================
--- sub_cc.c	(revision 24830)
+++ sub_cc.c	(working copy)
@@ -34,9 +34,16 @@
 static subtitle *fb,*bb;
 
 static unsigned int cursor_pos=0;
-
 static int inited=0;
 
+#define CC_ROLLON 1
+#define CC_ROLLUP 2
+
+static int cc_mode=CC_ROLLON;
+static int cc_lines=4;
+
+static void display_buffer(subtitle * buf);
+
 static void build_char_table(void)
 {
   int i;
@@ -64,6 +71,22 @@
 }
 
 
+static void scroll_buffer()
+{
+    int i;
+
+    while(bb->lines > cc_lines)
+    {
+	if(bb->text[0]) free(bb->text[0]);
+
+	for(i = 0; i < (bb->lines - 1); i++) bb->text[i] = bb->text[i+1];
+
+	bb->text[bb->lines-1] = NULL;
+	bb->lines--;
+    }
+}
+ 
+ 
 void subcc_init(void)
 {
 	int i;
@@ -90,7 +113,14 @@
 	if(c=='\n')
 	{
 		if(cursor_pos>0 && bb->lines < SUB_MAX_TEXT)
+		{
 			bb->lines++;cursor_pos=0;
+			if(cc_mode==CC_ROLLUP){
+				bb->text[bb->lines - 1]=malloc(CC_MAX_LINE_LENGTH);
+	 			memset(bb->text[bb->lines - 1],0,CC_MAX_LINE_LENGTH);
+				scroll_buffer();
+			}
+		}
 	}
 	else 
 	{
@@ -101,6 +131,7 @@
 		}
 		bb->text[bb->lines - 1][cursor_pos++]=c;
 	}
+	if(cc_mode==CC_ROLLUP) display_buffer(bb);
 }
 
 
@@ -125,7 +156,6 @@
   static unsigned short int lastcode=0x0000;	
   unsigned char c1 = data & 0x7f;
   unsigned char c2 = (data >> 8) & 0x7f;
-
   if (c1 & 0x60) {		/* normal character, 0x20 <= c1 <= 0x7f */
 	   append_char(chartbl[c1]);
 	   if(c2 & 0x60)	/*c2 might not be a normal char even if c1 is*/
@@ -159,6 +189,13 @@
 				case 0x14:
 					switch(c2)
 					{
+						case 0x00: cc_mode=CC_ROLLON;break;
+						case 0x25:
+						case 0x26:
+						case 0x27:
+							   cc_lines=c2-0x23;
+							   cc_mode=CC_ROLLUP;
+							   break;
 						case 0x2C: display_buffer(NULL); //EDM
 							   clear_buffer(fb); break;
 						case 0x2d: append_char('\n');	//carriage return