From e42ab1b84759e651e302714b652d95c5e2c0c750 Mon Sep 17 00:00:00 2001
From: Waldemar Pawlaszek <waldemar.pawlaszek@gmail.com>
Date: Sun, 15 Jan 2023 16:27:20 +0100
Subject: [PATCH] Experimental Mikey VGM 1.72 export.

---
 src/engine/sysDef.cpp | 2 +-
 src/engine/vgmOps.cpp | 8 ++++----
 src/gui/gui.cpp       | 2 +-
 src/gui/guiConst.cpp  | 5 +++--
 src/gui/guiConst.h    | 2 +-
 5 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/engine/sysDef.cpp b/src/engine/sysDef.cpp
index da899ae8..5c55ab27 100644
--- a/src/engine/sysDef.cpp
+++ b/src/engine/sysDef.cpp
@@ -1400,7 +1400,7 @@ void DivEngine::registerSystems() {
   }
 
   sysDefs[DIV_SYSTEM_LYNX]=new DivSysDef(
-    "Atari Lynx", NULL, 0xa8, 0, 4, false, true, 0, false, 1U<<DIV_SAMPLE_DEPTH_8BIT,
+    "Atari Lynx", NULL, 0xa8, 0, 4, false, true, 0x172, false, 1U<<DIV_SAMPLE_DEPTH_8BIT,
     "a portable console made by Atari. it has all of Atari's trademark waveforms.",
     {"Channel 1", "Channel 2", "Channel 3", "Channel 4"},
     {"CH1", "CH2", "CH3", "CH4"},
diff --git a/src/engine/vgmOps.cpp b/src/engine/vgmOps.cpp
index 6ac4c2c1..32041572 100644
--- a/src/engine/vgmOps.cpp
+++ b/src/engine/vgmOps.cpp
@@ -341,14 +341,14 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
         }
         break;
       case DIV_SYSTEM_LYNX:
-        w->writeC(0x4e);
+        w->writeC(0x40);
         w->writeC(0x44);
         w->writeC(0xff); //stereo attenuation select
-        w->writeC(0x4e);
+        w->writeC(0x40);
         w->writeC(0x50);
         w->writeC(0x00); //stereo channel disable
         for (int i=0; i<4; i++) { //stereo attenuation value
-          w->writeC(0x4e);
+          w->writeC(0x40);
           w->writeC(0x40+i);
           w->writeC(0xff);
         }
@@ -731,7 +731,7 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
       w->writeC(write.val&0xff);
       break;
     case DIV_SYSTEM_LYNX:
-      w->writeC(0x4e);
+      w->writeC(0x40);
       w->writeC(write.addr&0xff);
       w->writeC(write.val&0xff);
       break;
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index c22a1c2b..c0e8cd53 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3493,7 +3493,7 @@ bool FurnaceGUI::loop() {
         if (ImGui::BeginMenu("export VGM...")) {
           ImGui::Text("settings:");
           if (ImGui::BeginCombo("format version",fmt::sprintf("%d.%.2x",vgmExportVersion>>8,vgmExportVersion&0xff).c_str())) {
-            for (int i=0; i<6; i++) {
+            for (int i=0; i<7; i++) {
               if (ImGui::Selectable(fmt::sprintf("%d.%.2x",vgmVersions[i]>>8,vgmVersions[i]&0xff).c_str(),vgmExportVersion==vgmVersions[i])) {
                 vgmExportVersion=vgmVersions[i];
               }
diff --git a/src/gui/guiConst.cpp b/src/gui/guiConst.cpp
index d19070fd..51ac5241 100644
--- a/src/gui/guiConst.cpp
+++ b/src/gui/guiConst.cpp
@@ -70,13 +70,14 @@ const int altValues[24]={
   0, 10, 1, 11, 2, 3, 12, 4, 13, 5, 14, 6, 7, 15, 8, -1, 9, -1, -1, -1, -1, -1, -1, -1
 };
 
-const int vgmVersions[6]={
+const int vgmVersions[7]={
   0x150,
   0x151,
   0x160,
   0x161,
   0x170,
-  0x171
+  0x171,
+  0x172
 };
 
 const char* insTypes[DIV_INS_MAX+1]={
diff --git a/src/gui/guiConst.h b/src/gui/guiConst.h
index cb5eb540..3eca6e15 100644
--- a/src/gui/guiConst.h
+++ b/src/gui/guiConst.h
@@ -54,5 +54,5 @@ extern const int* chipCategories[];
 extern const FurnaceGUIActionDef guiActions[];
 extern const FurnaceGUIColorDef guiColors[];
 extern const int altValues[24];
-extern const int vgmVersions[6];
+extern const int vgmVersions[7];
 extern const FurnaceGUIColors fxColors[256];
\ No newline at end of file