From 4c13fe08d28e6cf1fe2862f894d090fbf56b1a9f Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Sun, 30 Jul 2023 14:53:26 -0500
Subject: [PATCH] YM2612: prioritize urgentWrite() on hard reset

---
 src/engine/platform/fmsharedbase.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/engine/platform/fmsharedbase.h b/src/engine/platform/fmsharedbase.h
index c0fb7dd2..4200d757 100644
--- a/src/engine/platform/fmsharedbase.h
+++ b/src/engine/platform/fmsharedbase.h
@@ -109,7 +109,8 @@ class DivPlatformFMBase: public DivDispatch {
       if (!skipRegisterWrites && !flushFirst) {
         if (writes.empty()) {
           writes.push_back(QueuedWrite(a,v));
-        } else if (writes.size()>16 || writes.front().addrOrVal) {
+        } else if ((writes.size()>16 && writes.front().addr!=0xf0) || writes.front().addrOrVal) {
+          // $f0 is used by OPN hard reset
           writes.push_back(QueuedWrite(a,v));
         } else {
           writes.push_front(QueuedWrite(a,v));