From 445050f6ad1603bbd778f29be7b5503c2a455873 Mon Sep 17 00:00:00 2001
From: XANTRONIX Development
Date: Sun, 27 Feb 2022 22:05:59 -0500
Subject: Fix square wave duty cycle to 50%

---
 src/synth.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/synth.c b/src/synth.c
index 082a383..86990e8 100644
--- a/src/synth.c
+++ b/src/synth.c
@@ -28,7 +28,9 @@ static int16_t sample_square(xas_synth *synth) {
     static float tau = 2.0f * M_PI;
 
     if (synth->state == XAS_SYNTH_ACTIVE) {
-        ret = synth->phase > 0.0? INT16_MAX / 4: INT16_MIN / 4;
+        ret = (synth->phase - M_PI) > 0.0?
+            INT16_MAX / 4:
+            INT16_MIN / 4;
 
         synth->phase += tau / (synth->format.sample_rate / synth->frequency);
 
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