[Denemo-devel] Using the current volume setting in a denemo directive

[Richard Shann]

The latest check in lets you output notes using the currently active
volume. The syntax is to put %%% into midibytes at the point where you
would put the volume (velocity in MIDI nomenclature).

For example:

(d-DirectivePut-standalone-midibytes "mytag" "0x99 64 %%%")

inserted somewhere in some music would start note number 64 on channel
9.

Combining with the notation $ for the current channel you could use

(d-DirectivePut-standalone-midibytes "mytag" "0x9$ 64 %%%")

to play note 64 in the current channel at the current volume.

It is time to write some functions in denemo.scm that will hide all this
from writers of scripts - e.g.

(define MIDIStartNote (note) ....)
 would execute

(d-DirectivePut-standalone-midibytes (string-join "mytag" "0x9$" note "%%%"))

while other functions would stop the note, or take channel or volume as
parameters.
etc

Richard