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Import Recast Navigation as third party dependency Credits go to Mikko Mononen memon at inside dot org
275 lines
No EOL
4.8 KiB
HTML
275 lines
No EOL
4.8 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>CDROM Examples</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Examples"
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HREF="guideexamples.html"><LINK
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REL="PREVIOUS"
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TITLE="Audio Examples"
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HREF="guideaudioexamples.html"><LINK
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REL="NEXT"
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TITLE="Time Examples"
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HREF="guidetimeexamples.html"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="guideaudioexamples.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 4. Examples</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="guidetimeexamples.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="GUIDECDROMEXAMPLES"
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></A
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>CDROM Examples</H1
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><P
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></P
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN393"
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></A
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>Listing CD-ROM drives</H2
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><P
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><PRE
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CLASS="PROGRAMLISTING"
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> #include "SDL.h"
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/* Initialize SDL first */
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if ( SDL_Init(SDL_INIT_CDROM) < 0 ) {
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fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
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exit(1);
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}
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atexit(SDL_Quit);
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/* Find out how many CD-ROM drives are connected to the system */
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printf("Drives available: %d\n", SDL_CDNumDrives());
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for ( i=0; i<SDL_CDNumDrives(); ++i ) {
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printf("Drive %d: \"%s\"\n", i, SDL_CDName(i));
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}</PRE
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></P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN397"
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></A
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>Opening the default drive</H2
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><P
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><PRE
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CLASS="PROGRAMLISTING"
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> SDL_CD *cdrom;
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CDstatus status;
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char *status_str;
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cdrom = SDL_CDOpen(0);
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if ( cdrom == NULL ) {
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fprintf(stderr, "Couldn't open default CD-ROM drive: %s\n",
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SDL_GetError());
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exit(2);
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}
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status = SDL_CDStatus(cdrom);
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switch (status) {
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case CD_TRAYEMPTY:
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status_str = "tray empty";
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break;
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case CD_STOPPED:
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status_str = "stopped";
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break;
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case CD_PLAYING:
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status_str = "playing";
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break;
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case CD_PAUSED:
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status_str = "paused";
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break;
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case CD_ERROR:
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status_str = "error state";
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break;
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}
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printf("Drive status: %s\n", status_str);
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if ( status >= CD_PLAYING ) {
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int m, s, f;
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FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f);
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printf("Currently playing track %d, %d:%2.2d\n",
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cdrom->track[cdrom->cur_track].id, m, s);
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}</PRE
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></P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN401"
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></A
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>Listing the tracks on a CD</H2
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><P
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><PRE
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CLASS="PROGRAMLISTING"
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> SDL_CD *cdrom; /* Assuming this has already been set.. */
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int i;
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int m, s, f;
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SDL_CDStatus(cdrom);
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printf("Drive tracks: %d\n", cdrom->numtracks);
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for ( i=0; i<cdrom->numtracks; ++i ) {
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FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f);
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if ( f > 0 )
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++s;
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printf("\tTrack (index %d) %d: %d:%2.2d\n", i,
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cdrom->track[i].id, m, s);
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}</PRE
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></P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN405"
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></A
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>Play an entire CD</H2
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><P
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><PRE
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CLASS="PROGRAMLISTING"
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> SDL_CD *cdrom; /* Assuming this has already been set.. */
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// Play entire CD:
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if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
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SDL_CDPlayTracks(cdrom, 0, 0, 0, 0);
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// Play last track:
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if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
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SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0);
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}
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// Play first and second track and 10 seconds of third track:
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if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
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SDL_CDPlayTracks(cdrom, 0, 0, 2, CD_FPS * 10);</PRE
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></P
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="guideaudioexamples.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="guidetimeexamples.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
|
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>Audio Examples</TD
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><TD
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WIDTH="34%"
|
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ALIGN="center"
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VALIGN="top"
|
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><A
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HREF="guideexamples.html"
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ACCESSKEY="U"
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>Up</A
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></TD
|
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><TD
|
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>Time Examples</TD
|
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></TR
|
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></TABLE
|
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></DIV
|
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></BODY
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></HTML
|
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> |