From 134a2a07e544d61278b95243a5fa3d2c198e48f4 Mon Sep 17 00:00:00 2001
From: Sour <mesenemu@gmail.com>
Date: Thu, 30 Aug 2018 22:26:38 -0400
Subject: [PATCH] Sunsoft 5B: Fixed audio period (was off by 1)

---
 Core/Sunsoft5bAudio.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Core/Sunsoft5bAudio.h b/Core/Sunsoft5bAudio.h
index d0cdf1d9..93ddbae8 100644
--- a/Core/Sunsoft5bAudio.h
+++ b/Core/Sunsoft5bAudio.h
@@ -12,7 +12,7 @@ private:
 	uint8_t _currentRegister;
 	uint8_t _registers[0x10];
 	int16_t _lastOutput;
-	uint16_t _timer[3];
+	int16_t _timer[3];
 	uint8_t _toneStep[3];
 	bool _processTick;
 
@@ -54,8 +54,8 @@ private:
 	void UpdateChannel(int channel)
 	{
 		_timer[channel]--;
-		if(_timer[channel] == 0) {
-			_timer[channel] = GetPeriod(channel) + 1;
+		if(_timer[channel] <= 0) {
+			_timer[channel] = GetPeriod(channel);
 			_toneStep[channel] = (_toneStep[channel] + 1) & 0x0F;
 		}
 	}
@@ -78,7 +78,7 @@ protected:
 	{
 		BaseExpansionAudio::StreamState(saving);
 
-		ArrayInfo<uint16_t> timer{ _timer, 3 };
+		ArrayInfo<int16_t> timer{ _timer, 3 };
 		ArrayInfo<uint8_t> registers{ _registers, 0x10 };
 		ArrayInfo<uint8_t> toneStep{ _toneStep, 3 };
 		Stream(timer, registers, toneStep, _currentRegister, _lastOutput, _processTick);