From 0de4b41588e214f8eec9a82a76ea44ea5aed08e0 Mon Sep 17 00:00:00 2001
From: "Mr.Blinky" <mstr.blinky@gmail.com>
Date: Fri, 21 Sep 2018 00:32:21 +0200
Subject: [PATCH] Fixed interrupt glitch in ATMlib.play() p2

Disabled timer/counter 4 overflow interrupt at beginning of play() to prevent bad sounds from being played when song is changed while playing
---
 board-package-source/libraries/ATMlib/src/ATMlib.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/board-package-source/libraries/ATMlib/src/ATMlib.cpp b/board-package-source/libraries/ATMlib/src/ATMlib.cpp
index 8b83c11..9c744af 100644
--- a/board-package-source/libraries/ATMlib/src/ATMlib.cpp
+++ b/board-package-source/libraries/ATMlib/src/ATMlib.cpp
@@ -109,6 +109,7 @@ static inline const byte *getTrackPointer(byte track) {
 
 
 void ATMsynth::play(const byte *song) {
+  TIMSK4 = 0b00000000;// ensure interrupt is disabled
   cia_count = 1;
   // cleanUp stuff first
   memset(channel, 0, sizeof(channel));