Implemented freq-envelopes for non-compiled notes

plus some tiny bugfixes:
  - in Envelope (get_sustain now returns orig_sustain)
  - parser now uses isnum instead of isfloat where appropriate

1 files changed, 1 insertions, 1 deletions

diff --git a/synth/envelope.h b/synth/envelope.h
index be50fa2..a9bb15b 100644
--- a/synth/envelope.h
+++ b/synth/envelope.h
@@ -35,7 +35,7 @@ class Envelope
 		bool get_hold() { return hold; }
 		jack_nframes_t get_attack() { return attack_orig; }
 		jack_nframes_t get_decay() { return decay_orig; }
-		fixed_t get_sustain() { return sustain; }
+		fixed_t get_sustain() { return sustain_orig; }
 		jack_nframes_t get_release() { return release_orig; }