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215 lines
5.5 KiB
HTML
215 lines
5.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!--Converted with LaTeX2HTML 2002-2-1 (1.71)
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original version by: Nikos Drakos, CBLU, University of Leeds
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* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan
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* with significant contributions from:
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Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
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<HTML>
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<HEAD>
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<TITLE>Begin/End Blocks</TITLE>
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<META NAME="description" CONTENT="Begin/End Blocks">
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<META NAME="keywords" CONTENT="mma">
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<BODY bgcolor="#ffffff">
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HREF="node25.html">Documentation Strings</A>
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HREF="mma.html">Reference Manual</A>
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HREF="node23.html">Other Commands and Directives</A>
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<BR>
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<BR></DIV>
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<!--End of Navigation Panel-->
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<!--Table of Child-Links-->
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<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>
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<UL CLASS="ChildLinks">
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<LI><A NAME="tex2html740"
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HREF="node24.html#SECTION002410000000000000000">Begin</A>
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<LI><A NAME="tex2html741"
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HREF="node24.html#SECTION002420000000000000000">End</A>
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</UL>
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<!--End of Table of Child-Links-->
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<HR>
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<H1><A NAME="SECTION002400000000000000000"></A>
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<A NAME="sec-blocks"></A>
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<BR>
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Begin/End Blocks
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</H1>
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<P>
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Entering a series of directives for a specific track can get quite
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tedious. To make the creation of library files a bit easier, you can
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create a block. For example, the following:
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<P>
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<Table Hspace="40%" CellSpacing=0 CellPadding=10 BGColor="OldLace" Border=3>
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<tr><td>
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<B>Drum Define X 0 2 100; 50 2 90
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<BR>
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Drum Define Y 0 2 100
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<BR>
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Drum Sequence X Y </B>
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</td></tr>
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</Table>
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<P>
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Can be replaced with:
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<P>
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<Table Hspace="40%" CellSpacing=0 CellPadding=10 BGColor="OldLace" Border=3>
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<tr><td>
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<B>Drum Begin
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<BR> Define X 0 2 100; 50 2 90
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<BR> Define Y 0 2 100
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End
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<BR>
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Drum Sequence X Y </B>
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</td></tr>
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</Table>
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<P>
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Or, even more simply, with:
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<P>
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<Table Hspace="40%" CellSpacing=0 CellPadding=10 BGColor="OldLace" Border=3>
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<tr><td>
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<B>Drum Begin Define
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<BR> X 0 2 100; 50 2 90
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<BR> Y 0 2 100
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<BR>
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End </B>
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</td></tr>
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</Table>
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<P>
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If you examine some of the library files you will see that this
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shortcut is used a lot.
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<P>
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<H1><A NAME="SECTION002410000000000000000">
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Begin</A>
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</H1>
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<P>
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The B<SMALL>EGIN</SMALL> command requires any number of arguments. Valid
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examples include:
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<P>
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<Table Hspace="40%" CellSpacing=0 CellPadding=10 BGColor="OldLace" Border=3>
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<tr><td>
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<B>Begin Drum
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<BR>
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Begin Chord2
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<BR>
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Begin Walk Define </B>
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</td></tr>
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</Table>
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<P>
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Once a B<SMALL>EGIN</SMALL> block has been entered, all subsequent lines have
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the words from the B<SMALL>EGIN</SMALL> command prepended to each line of
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data. There is not much magic here--B<SMALL>EGIN</SMALL>/E<SMALL>ND</SMALL> is really
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just some syntactic sugar.
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<P>
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<H1><A NAME="SECTION002420000000000000000">
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End</A>
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</H1>
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<P>
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To finish off a B<SMALL>EGIN</SMALL> block, use a single E<SMALL>ND</SMALL> on a line
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by itself.
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<P>
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Defining musical data, repeats, or other B<SMALL>EGIN</SMALL>s inside a block
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(other than COMMENT blocks) will not work.
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<P>
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Nesting is permitted. Eg:
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<P>
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<Table Hspace="40%" CellSpacing=0 CellPadding=10 BGColor="OldLace" Border=3>
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<tr><td>
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<B>Scale Begin
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<BR> Begin Define
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<BR> </B><SPAN CLASS="textit">stuff</SPAN><B>
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<BR> End
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<BR> Sequence </B><SPAN CLASS="textit">stuff</SPAN><B>
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<BR>
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End </B>
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</td></tr>
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</Table>
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<P>
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A B<SMALL>EGIN</SMALL> must be competed with a E<SMALL>ND</SMALL> before the end of a
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file, otherwise an error will be generated. The U<SMALL>SE</SMALL> and
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I<SMALL>NCLUDE</SMALL> commands are not permitted inside a block.
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<P>
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<DIV CLASS="navigation"><HR>
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<!--Navigation Panel-->
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<A NAME="tex2html730"
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HREF="node23.html">
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<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
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<BR>
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<B> Next:</B> <A NAME="tex2html739"
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HREF="node25.html">Documentation Strings</A>
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<B> Up:</B> <A NAME="tex2html737"
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HREF="mma.html">Reference Manual</A>
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<B> Previous:</B> <A NAME="tex2html731"
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HREF="node23.html">Other Commands and Directives</A></DIV>
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<ADDRESS>
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bob
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2008-09-28
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</ADDRESS>
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