From 6ad1900e4c3fe0b3aae1e78f8db72902ef020f1d Mon Sep 17 00:00:00 2001
From: Devin Acker <d@revenant1.net>
Date: Sat, 20 Jan 2024 13:47:29 -0500
Subject: sound/gew.cpp: correct interpolation around sample loop point (fixes
 #11951) (#11957)

---
 src/devices/sound/gew.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/devices/sound/gew.cpp b/src/devices/sound/gew.cpp
index 3aa7948c612..c9d3ea3e500 100644
--- a/src/devices/sound/gew.cpp
+++ b/src/devices/sound/gew.cpp
@@ -593,6 +593,12 @@ void gew_pcm_device::sound_stream_update(sound_stream &stream, std::vector<read_
 				}
 
 				slot.m_offset += step;
+
+				if (spos ^ (slot.m_offset >> TL_SHIFT))
+				{
+					slot.m_prev_sample = csample;
+				}
+
 				if (slot.m_offset >= (slot.m_sample.m_end << TL_SHIFT))
 				{
 					slot.m_offset -= (slot.m_sample.m_end - slot.m_sample.m_loop) << TL_SHIFT;
@@ -600,11 +606,6 @@ void gew_pcm_device::sound_stream_update(sound_stream &stream, std::vector<read_
 					slot.m_reverse = false;
 				}
 
-				if (spos ^ (slot.m_offset >> TL_SHIFT))
-				{
-					slot.m_prev_sample = csample;
-				}
-
 				if ((slot.m_total_level >> TL_SHIFT) != slot.m_dest_total_level)
 				{
 					slot.m_total_level += slot.m_total_level_step;
-- 
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