From d5154a103e33fa0a99e78b4aa18f74dc49d3d36a Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Thu, 17 Oct 2024 04:04:00 -0500
Subject: [PATCH] VGM export: prepare for Lynx samples

---
 src/engine/vgmOps.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/engine/vgmOps.cpp b/src/engine/vgmOps.cpp
index 6ea8af362..de2ca5455 100644
--- a/src/engine/vgmOps.cpp
+++ b/src/engine/vgmOps.cpp
@@ -1687,6 +1687,8 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
         if (!hasLynx) {
           hasLynx=disCont[i].dispatch->chipClock;
           willExport[i]=true;
+          // once again
+          writeDACSamples=true;
         } else if (!(hasLynx&0x40000000)) {
           isSecond[i]=true;
           willExport[i]=true;
@@ -2538,6 +2540,26 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
           w->writeC(0);
           streamID++;
           break;
+        case DIV_SYSTEM_LYNX:
+          for (int j=0; j<4; j++) {
+            w->writeC(0x90);
+            w->writeC(streamID);
+            w->writeC(isSecond[i]?0xa9:0x29);
+            w->writeC(0); // port
+            w->writeC(0x22+(j<<3)); // output write
+
+            w->writeC(0x91);
+            w->writeC(streamID);
+            w->writeC(0);
+            w->writeC(1);
+            w->writeC(0);
+
+            w->writeC(0x92);
+            w->writeC(streamID);
+            w->writeI(16000); // default
+            streamID++;
+          }
+          break;
         default:
           break;
       }