From 2a63baf26c85551bbe3684ad76e79c55ee12629d Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Sun, 18 Jan 2026 19:58:01 -0500
Subject: [PATCH] dev244 - Namco 163: enable wave pos latch by defau

---
 src/engine/engine.h          | 4 ++--
 src/engine/fileOps/fur.cpp   | 9 +++++++++
 src/engine/platform/n163.cpp | 2 +-
 src/gui/sysConf.cpp          | 2 +-
 4 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/engine/engine.h b/src/engine/engine.h
index b27ef70ab..58607e1ae 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -56,8 +56,8 @@ class DivWorkPool;
 
 #define DIV_UNSTABLE
 
-#define DIV_VERSION "dev243"
-#define DIV_ENGINE_VERSION 243
+#define DIV_VERSION "dev244"
+#define DIV_ENGINE_VERSION 244
 // for imports
 #define DIV_VERSION_MOD 0xff01
 #define DIV_VERSION_FC 0xff02
diff --git a/src/engine/fileOps/fur.cpp b/src/engine/fileOps/fur.cpp
index f165f6b0d..131fbf3b3 100644
--- a/src/engine/fileOps/fur.cpp
+++ b/src/engine/fileOps/fur.cpp
@@ -2412,6 +2412,15 @@ bool DivEngine::loadFur(unsigned char* file, size_t len, int variantID) {
       }
     }
 
+    // Namco 163 no wave pos latch
+    if (ds.version<244) {
+      for (int i=0; i<ds.systemLen; i++) {
+        if (ds.system[i]==DIV_SYSTEM_N163) {
+          ds.systemFlags[i].set("posLatch",false);
+        }
+      }
+    }
+
     // warn on partial pitch linearity
     if (ds.compatFlags.linearPitch>1) {
       ds.compatFlags.linearPitch=1;
diff --git a/src/engine/platform/n163.cpp b/src/engine/platform/n163.cpp
index b27f7f4e7..167b98b90 100644
--- a/src/engine/platform/n163.cpp
+++ b/src/engine/platform/n163.cpp
@@ -635,7 +635,7 @@ void DivPlatformN163::setFlags(const DivConfig& flags) {
   CHECK_CUSTOM_CLOCK;
   initChanMax=chanMax=flags.getInt("channels",7)&7;
   multiplex=!flags.getBool("multiplex",false); // not accurate in real hardware
-  posLatch=flags.getBool("posLatch",false);
+  posLatch=flags.getBool("posLatch",true);
   rate=chipClock;
   rate/=15;
   n163.set_multiplex(multiplex);
diff --git a/src/gui/sysConf.cpp b/src/gui/sysConf.cpp
index 05b648ea5..2a84fcc3f 100644
--- a/src/gui/sysConf.cpp
+++ b/src/gui/sysConf.cpp
@@ -1259,7 +1259,7 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
       int channels=flags.getInt("channels",7)+1;
       bool multiplex=flags.getBool("multiplex",false);
       bool lenCompensate=flags.getBool("lenCompensate",false);
-      bool posLatch=flags.getBool("posLatch",false);
+      bool posLatch=flags.getBool("posLatch",true);
 
       ImGui::Text(_("Clock rate:"));
       ImGui::Indent();