From 26a66ad4c496cb346e8bf0205bc188c3695eb4d8 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Wed, 21 May 2025 18:26:47 -0500
Subject: [PATCH] OPN: fix block not working on ExtCh

issue #2504
---
 src/engine/platform/genesisext.cpp | 1 +
 src/engine/platform/ym2203ext.cpp  | 1 +
 src/engine/platform/ym2608ext.cpp  | 1 +
 src/engine/platform/ym2610bext.cpp | 1 +
 src/engine/platform/ym2610ext.cpp  | 1 +
 5 files changed, 5 insertions(+)

diff --git a/src/engine/platform/genesisext.cpp b/src/engine/platform/genesisext.cpp
index 11314aa5e..abf0776c9 100644
--- a/src/engine/platform/genesisext.cpp
+++ b/src/engine/platform/genesisext.cpp
@@ -37,6 +37,7 @@ void DivPlatformGenesisExt::commitStateExt(int ch, DivInstrument* ins) {
     }
     chan[extChanOffs].state.fms=ins->fm.fms;
     chan[extChanOffs].state.ams=ins->fm.ams;
+    chan[extChanOffs].state.block=ins->fm.block;
     chan[extChanOffs].state.op[ordch]=ins->fm.op[ordch];
   }
   
diff --git a/src/engine/platform/ym2203ext.cpp b/src/engine/platform/ym2203ext.cpp
index 1d03bb4f0..a65210f35 100644
--- a/src/engine/platform/ym2203ext.cpp
+++ b/src/engine/platform/ym2203ext.cpp
@@ -31,6 +31,7 @@ void DivPlatformYM2203Ext::commitStateExt(int ch, DivInstrument* ins) {
     if (ch==0 || fbAllOps) {
       chan[2].state.fb=ins->fm.fb;
     }
+    chan[extChanOffs].state.block=ins->fm.block;
     chan[2].state.op[ordch]=ins->fm.op[ordch];
   }
   
diff --git a/src/engine/platform/ym2608ext.cpp b/src/engine/platform/ym2608ext.cpp
index 798c121bc..1f0ca8546 100644
--- a/src/engine/platform/ym2608ext.cpp
+++ b/src/engine/platform/ym2608ext.cpp
@@ -34,6 +34,7 @@ void DivPlatformYM2608Ext::commitStateExt(int ch, DivInstrument* ins) {
     }
     chan[2].state.fms=ins->fm.fms;
     chan[2].state.ams=ins->fm.ams;
+    chan[extChanOffs].state.block=ins->fm.block;
     chan[2].state.op[ordch]=ins->fm.op[ordch];
   }
   
diff --git a/src/engine/platform/ym2610bext.cpp b/src/engine/platform/ym2610bext.cpp
index e8757590c..cfca1d003 100644
--- a/src/engine/platform/ym2610bext.cpp
+++ b/src/engine/platform/ym2610bext.cpp
@@ -30,6 +30,7 @@ void DivPlatformYM2610BExt::commitStateExt(int ch, DivInstrument* ins) {
     }
     chan[extChanOffs].state.fms=ins->fm.fms;
     chan[extChanOffs].state.ams=ins->fm.ams;
+    chan[extChanOffs].state.block=ins->fm.block;
     chan[extChanOffs].state.op[ordch]=ins->fm.op[ordch];
   }
   
diff --git a/src/engine/platform/ym2610ext.cpp b/src/engine/platform/ym2610ext.cpp
index 2cab7c326..20ce25d58 100644
--- a/src/engine/platform/ym2610ext.cpp
+++ b/src/engine/platform/ym2610ext.cpp
@@ -30,6 +30,7 @@ void DivPlatformYM2610Ext::commitStateExt(int ch, DivInstrument* ins) {
     }
     chan[extChanOffs].state.fms=ins->fm.fms;
     chan[extChanOffs].state.ams=ins->fm.ams;
+    chan[extChanOffs].state.block=ins->fm.block;
     chan[extChanOffs].state.op[ordch]=ins->fm.op[ordch];
   }