From 787479e735d811f3c2597e0ec503890c52254478 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sun, 5 Mar 2023 04:22:46 -0500
Subject: [PATCH 1/3] GUI: don't allow tutorial window to be docked

---
 src/gui/tutorial.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/tutorial.cpp b/src/gui/tutorial.cpp
index b8e044775..6741399e6 100644
--- a/src/gui/tutorial.cpp
+++ b/src/gui/tutorial.cpp
@@ -245,7 +245,7 @@ void FurnaceGUI::drawTutorial() {
 
   // tutorial
   if (curTutorial>=0 && curTutorial<GUI_TUTORIAL_MAX) {
-    if (ImGui::Begin("Tutorial",NULL,ImGuiWindowFlags_NoResize|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar)) {
+    if (ImGui::Begin("Tutorial",NULL,ImGuiWindowFlags_NoResize|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoDocking)) {
       FurnaceGUITutorialStep& step=tutorials[curTutorial].steps[curTutorialStep];
       ImGui::Dummy(ImVec2(400.0*dpiScale,1.0));
       ImGui::TextWrapped("%s",step.text);

From c7b42f855131d4851ac854790d3682dcf3d4e28f Mon Sep 17 00:00:00 2001
From: Natt Akuma <77432377+akumanatt@users.noreply.github.com>
Date: Sun, 5 Mar 2023 23:20:34 +0700
Subject: [PATCH 2/3] Change X16's mixing to match the latest hardware

This has been verified with the latest Developer Board. Previous values are also incorrect as the test program used has a YM2151 patch configured incorrectly.
---
 src/gui/presets.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/presets.cpp b/src/gui/presets.cpp
index 16ef7d56c..e6aa56e78 100644
--- a/src/gui/presets.cpp
+++ b/src/gui/presets.cpp
@@ -1106,7 +1106,7 @@ void FurnaceGUI::initSystemPresets() {
   ENTRY(
     "Commander X16", {
       CH(DIV_SYSTEM_VERA, 1.0f, 0, ""),
-      CH(DIV_SYSTEM_YM2151, 0.5f, 0, "")
+      CH(DIV_SYSTEM_YM2151, 1.0f, 0, "")
     }
   );
   ENTRY(

From a52eb8706cfc3a20d0a50dc0fc22bdff3f9a3aa5 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sun, 5 Mar 2023 13:36:39 -0500
Subject: [PATCH 3/3] allocate PV-1000 chip ID

---
 papers/format.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/papers/format.md b/papers/format.md
index e0aa592f6..f166d43ef 100644
--- a/papers/format.md
+++ b/papers/format.md
@@ -290,6 +290,7 @@ size | description
      |   - 0xc8: SM8521 - 3 channels
      |   - 0xc9: M114S - 16 channels
      |   - 0xca: ZX Spectrum (beeper, QuadTone engine) - 5 channels
+     |   - 0xcb: Casio PV-1000 - 3 channels
      |   - 0xde: YM2610B extended - 19 channels
      |   - 0xe0: QSound - 19 channels
      |   - 0xfc: Pong - 1 channel