From 52da86ea8f87e0a913325b75c9d5e7c2ce805039 Mon Sep 17 00:00:00 2001
From: Maxint R&D <mm_rd@maxint.nl>
Date: Mon, 25 Dec 2017 13:33:13 +0100
Subject: [PATCH] Bugfix for ATmega 328/168

Tested with Arduino Nano (ATmega 328)
---
 MmlMusicPWM.cpp | 2 +-
 MmlMusicPWM.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/MmlMusicPWM.cpp b/MmlMusicPWM.cpp
index 99a3324..e982eb3 100644
--- a/MmlMusicPWM.cpp
+++ b/MmlMusicPWM.cpp
@@ -262,7 +262,7 @@ ISR(TIMER2_COMPA_vect)
 { // Timer interrupt vector.
   if(!__thisMmlMusicPWM__)
   	return;
-  if (millis() > _tTim2_time)
+  if (millis() > __thisMmlMusicPWM__->_tTim2_time)
   {
     __thisMmlMusicPWM__->_noToneTim2(); // Check to see if it's time for the note to end.
     __thisMmlMusicPWM__->_executeCommandTim2();		// execute the next command
diff --git a/MmlMusicPWM.h b/MmlMusicPWM.h
index 691d67a..120ce7f 100644
--- a/MmlMusicPWM.h
+++ b/MmlMusicPWM.h
@@ -55,7 +55,7 @@ class MmlMusicPWM : public MmlMusic {
 		volatile uint8_t *_pinMode;     // Pin mode.
 		uint8_t _pinMask = 0;        // Bitmask for pins
 		volatile uint8_t *_pinOutput; // Output port register for pin.
-		const int _tTim2_prescale[] = { 2, 16, 64, 128, 256, 512, 2048 }; // Prescaler.
+		const int _tTim2_prescale[7] = { 2, 16, 64, 128, 256, 512, 2048 }; // Prescaler.
 #endif
 
 private: