From cbca974623aa903a89c3a6dc8a89ef97c1be4eae Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Mon, 1 Jul 2024 03:34:30 -0500
Subject: [PATCH] XM import: hide unused channels

---
 src/engine/fileOps/xm.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/engine/fileOps/xm.cpp b/src/engine/fileOps/xm.cpp
index 1c85c41a9..6d8324462 100644
--- a/src/engine/fileOps/xm.cpp
+++ b/src/engine/fileOps/xm.cpp
@@ -1039,6 +1039,12 @@ bool DivEngine::loadXM(unsigned char* file, size_t len) {
       return false;
     }
 
+    // set channel visibility
+    for (int i=totalChans; i<((totalChans+32)&(~31)); i++) {
+      ds.subsong[0]->chanShow[i]=false;
+      ds.subsong[0]->chanShowChanOsc[i]=false;
+    }
+
     // find subsongs
     ds.findSubSongs(totalChans);