From ddb3911d0df42b424840dbe12e73b011b3be46b7 Mon Sep 17 00:00:00 2001
From: Kurausukun <lord.uber1@gmail.com>
Date: Sun, 8 Aug 2021 20:49:29 -0400
Subject: oops

---
 src/m4a.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/m4a.c b/src/m4a.c
index 0c68c6bdd..9877ad740 100644
--- a/src/m4a.c
+++ b/src/m4a.c
@@ -1199,7 +1199,7 @@ void CgbSound(void)
             else
             {
                 unsigned int envMask = 0xF;
-                *nrx2ptr = (envelopeStepTimeAndDir & newMask) + (channels->envelopeVolume << 4);
+                *nrx2ptr = (envelopeStepTimeAndDir & envMask) + (channels->envelopeVolume << 4);
                 *nrx4ptr = channels->n4 | 0x80;
                 if (ch == 1 && !(*nrx0ptr & 0x08))
                     *nrx4ptr = channels->n4 | 0x80;
-- 
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