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16 Rolls can be specified with the "roll" statement, which has a format:
18 <B>roll</B> <I>staff voice</I> <B>:</B> <I>timeval</I><B>;</B>
22 A simple example would be:
26 which indicates that a roll is to be placed on the chord at count 3 of
28 As usual, if the <I>voice</I> is omitted, voice 1 is assumed.
31 Multiple rolls in a measure can be listed on a single statement if they are
32 associated with the same voice. For example:
35 // rolls on 3 chords: on the first,
36 // second, and third beats of the measure
40 <IMG SRC="mugex78.gif" ALT="Picture of Mup output"><BR>
41 would produce rolls on the chords on counts 1, 2, and 3.
44 A roll can extend over several chords on different voices, or even
45 different staffs. This is specified
46 by giving the top and bottom staffs and voices, with the keyword "to"
47 between them. For example:
49 1: 4.r;8g+b+d++ tie;2;
50 2-3: 4.ceg;8gbd+ tie;2;
54 <IMG SRC="mugex79.gif" ALT="Picture of Mup output"><BR>
55 The roll would extend from voice 1 of staff 1 to voice 1 of staff 3.
58 If you wish the roll to be downward, the keyword "down" can be placed
59 after "roll." This will result in a downward arrow being drawn on the
60 bottom end of the roll.
67 // downward roll on staff 1
69 roll down 1 1 to 1 2: 2; 4;
72 <IMG SRC="mugex80.gif" ALT="Picture of Mup output"><BR>
75 You can also explicitly say "up" which will cause an upward arrow to be
76 drawn at the top of the roll. If no direction is specified, no arrow is drawn.
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