From ad29db13432073b99f854280eccf3c63c245a7c1 Mon Sep 17 00:00:00 2001
From: Sandro Ronco <sandro.ronco@gmx.com>
Date: Sat, 18 Feb 2017 19:42:04 +0100
Subject: [PATCH] Fixed hr16 regression. (nw)

---
 src/mame/audio/alesis.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mame/audio/alesis.cpp b/src/mame/audio/alesis.cpp
index 77ff4ebe744..73659c37137 100644
--- a/src/mame/audio/alesis.cpp
+++ b/src/mame/audio/alesis.cpp
@@ -74,6 +74,7 @@ void alesis_dm3ag_device::device_reset()
 	m_cur_sample = 0;
 	m_shift = 0;
 	memset(m_cmd, 0, sizeof(m_cmd));
+	m_dac->write(0x8000);
 }
 
 //-------------------------------------------------
@@ -116,7 +117,7 @@ void alesis_dm3ag_device::device_timer(emu_timer &timer, device_timer_id id, int
 			sample = m_samples[m_cur_sample++];
 		}
 
-		m_dac->write(sample << m_shift);
+		m_dac->write(0x8000 - (sample << m_shift));
 	}
 }