From 875ef08256eddc685744e3254d1f6213f77a8539 Mon Sep 17 00:00:00 2001
From: cam900 <dbtlrchl@naver.com>
Date: Sun, 18 Aug 2024 20:22:24 +0900
Subject: [PATCH] Fix Y8950 ADPCM memory addressing

Max supported size is 262144 bytes, so I fixed that.
---
 src/engine/platform/oplAInterface.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engine/platform/oplAInterface.cpp b/src/engine/platform/oplAInterface.cpp
index 37ebda7f0..9643b80c0 100644
--- a/src/engine/platform/oplAInterface.cpp
+++ b/src/engine/platform/oplAInterface.cpp
@@ -27,7 +27,7 @@ uint8_t DivOPLAInterface::ymfm_external_read(ymfm::access_class type, uint32_t a
       if (adpcmBMem==NULL) {
         return 0;
       }
-      return adpcmBMem[address&0xffffff];
+      return adpcmBMem[address&0x3ffff];
     default:
       return 0;
   }