From 38e8327f0d7d48c0133f8b0740895596cdcf6b75 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Tue, 30 Apr 2024 13:41:33 -0500
Subject: [PATCH] OPL: fix OPL3-L rate when using YMF262-LLE

issue #1802
---
 src/engine/platform/opl.cpp | 6 +++++-
 src/engine/platform/opl.h   | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/engine/platform/opl.cpp b/src/engine/platform/opl.cpp
index 679a65462..c0c93a1fb 100644
--- a/src/engine/platform/opl.cpp
+++ b/src/engine/platform/opl.cpp
@@ -2461,7 +2461,11 @@ void DivPlatformOPL::setFlags(const DivConfig& flags) {
       switch (flags.getInt("chipType",0)) {
         case 1: // YMF289B
           chipFreqBase=32768*684;
-          rate=chipClock/768;
+          if (emuCore==2) {
+            rate=chipClock/684;
+          } else {
+            rate=chipClock/768;
+          }
           chipRateBase=chipClock/684;
           downsample=true;
           totalOutputs=2; // Stereo output only
diff --git a/src/engine/platform/opl.h b/src/engine/platform/opl.h
index 5f2fd7d28..e76aae834 100644
--- a/src/engine/platform/opl.h
+++ b/src/engine/platform/opl.h
@@ -82,6 +82,7 @@ class DivPlatformOPL: public DivDispatch {
     bool lastSH2;
     bool lastSY;
     bool waitingBusy;
+    int downsamplerStep;
     
     unsigned char* adpcmBMem;
     size_t adpcmBMemLen;