From 9fd586c1c44c2df46ca7f0e0752cd7e52a5c6061 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Tue, 20 May 2025 18:08:48 -0500
Subject: [PATCH] PCE: fix noise chan osc

issue #2524
---
 src/engine/platform/sound/pce_psg.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/engine/platform/sound/pce_psg.cpp b/src/engine/platform/sound/pce_psg.cpp
index 849ba282f..0baf7ce2f 100644
--- a/src/engine/platform/sound/pce_psg.cpp
+++ b/src/engine/platform/sound/pce_psg.cpp
@@ -637,7 +637,9 @@ void PCE_PSG::RunChannel(int chc, int32_t timestamp, const bool LFO_On)
   ch->waveform_index = (ch->waveform_index + 1) & 0x1F;
   ch->dda = ch->waveform[ch->waveform_index];
 
-  (this->*ch->UpdateOutput)(timestamp + ch->counter, ch);
+  if(&PCE_PSG::UpdateOutput_Noise != ch->UpdateOutput) {
+    (this->*ch->UpdateOutput)(timestamp + ch->counter, ch);
+  }
 
   if(LFO_On)
   {