From c74cce5caff11e20d0dcf01f036bce40202934ee Mon Sep 17 00:00:00 2001
From: Toni Wilen <twilen@winuae.net>
Date: Fri, 26 Jun 2015 11:16:55 +0300
Subject: [PATCH] Fix audio period modulation with zero period.

---
 audio.cpp | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/audio.cpp b/audio.cpp
index 3da7ca69..09fa1ff8 100644
--- a/audio.cpp
+++ b/audio.cpp
@@ -494,9 +494,6 @@ STATIC_INLINE void put_sound_word_left2 (uae_u32 w)
 	}
 }
 
-
-#define	DO_CHANNEL(v, c) do { (v) &= audio_channel[c].adk_mask; data += v; } while (0);
-
 static void anti_prehandler (unsigned long best_evtime)
 {
 	int i, output;
@@ -1344,7 +1341,7 @@ static void loaddat (int nr, bool modper)
 			return;
 		if (modper && audap) {
 			if (cdp->dat == 0)
-				cdp[1].per = PERIOD_MAX;
+				cdp[1].per = 65536 * CYCLE_UNIT;
 			else if (cdp->dat > PERIOD_MIN)
 				cdp[1].per = cdp->dat * CYCLE_UNIT;
 			else
-- 
2.47.3