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abcmidi/doc/hudsonshift.txt
Seymour Shlien 7fae7302c3 2022.01.05
2023-01-05 15:53:13 -05:00

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init:
transp_sound = transp_score = 0;
ABC2MIDI: use transp_sound;
YAPS: use transp_score;
ABC2ABC: ignore and replicate instructions to output;
/******************************************/
if (p1==0) error();
sound:
if (p2==0)
error();
transp_sound = p2-p1;
/*
sound=<note1><note2> transposes the playback according to the
specified interval (the typeset score is not affected)
*/
score:
if (p2==0)
p2 = ( 72 );
transp_score = p2-p1;
/*
score=<note1><note2> transposes the typeset score according to the
specified interval (the playback is not affected); if the second note
is omitted it is assumed to be a c (see writing abc code for
transposing instruments)
*/
instrument:
if (p2==0)
p2 = p1;
transp_score = p2-p1;
transp_sound = p2-( 72 );
/*
instrument=<note1>/<note2> is defined as score=<note1><note2> sound=c<note2>
*/
shift:
if (p2==0)
error();
transp_score = transp_sound = p2-p1;
/*
shift=<note1><note2> transposes the typeset score and the playback
according to the specified interval
*/
/******************************************/