Added waveforms and noise, changed foo++ into ++foo

List of waveforms:
0=sin
1=abssin
2=half_sin
3=pulse-sin
4=square
5=sawtooth
6=pyramid
7=white noise

1 files changed, 1 insertions, 1 deletions

diff --git a/synth/envelope.cpp b/synth/envelope.cpp
index a6e79e0..13b1044 100644
--- a/synth/envelope.cpp
+++ b/synth/envelope.cpp
@@ -160,6 +160,6 @@ fixed_t Envelope::get_level() //must be called each frame
 			break;
 	}
 	
-	t++;
+	++t;
 	return level;
 }