From 2304572e7f1f8fe725f5f2b37b28e403839b6786 Mon Sep 17 00:00:00 2001
From: Felipe Manga <fmanga@macmini.Home>
Date: Wed, 17 Jan 2024 20:31:53 +0000
Subject: [PATCH] Add support for FW2v21 lcdBufferPtr

---
 apps/synthwave/app.js | 7 +++----
 apps/warpdrive/app.js | 4 +++-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/apps/synthwave/app.js b/apps/synthwave/app.js
index a04300f44..891008df0 100644
--- a/apps/synthwave/app.js
+++ b/apps/synthwave/app.js
@@ -29,8 +29,6 @@ const unsigned char ship[] = {
 const unsigned int terrainLength = 12;
 const unsigned int terrainWidth = 12;
 unsigned char terrain[terrainLength][terrainWidth];
-unsigned int travel = 0;
-
 unsigned int _rngState;
 unsigned int rng() {
     _rngState ^= _rngState << 17;
@@ -40,7 +38,6 @@ unsigned int rng() {
 }
 
 void shiftTerrain() {
-  travel++;
   for (int i = terrainLength - 1; i > 0; --i) {
     for (int x = 0; x < terrainWidth; ++x)
       terrain[i][x] = terrain[i-1][x];
@@ -651,7 +648,9 @@ function test(addr, y) {
 function probe() {
   if (!start) {
     start = 0x20000000;
-    if (test(0x2002d3fe, 0)) // try to skip loading if possible
+    if (test(Bangle.getOptions().lcdBufferPtr, 0))
+      start = Bangle.getOptions().lcdBufferPtr; // FW=2v21
+    else if (test(0x2002d3fe, 0)) // try to skip loading if possible
       start = 0x2002d3fe; // FW=2v20
   }
   const end = Math.min(start + 0x800, 0x20038000);
diff --git a/apps/warpdrive/app.js b/apps/warpdrive/app.js
index cf7d40b6e..46b998379 100644
--- a/apps/warpdrive/app.js
+++ b/apps/warpdrive/app.js
@@ -519,7 +519,9 @@ function test(addr, y) {
 function probe() {
   if (!start) {
     start = 0x20000000;
-    if (test(0x2002d3fe, 0)) // try to skip loading if possible
+    if (test(Bangle.getOptions().lcdBufferPtr, 0))
+      start = Bangle.getOptions().lcdBufferPtr; // FW=2v21
+    else if (test(0x2002d3fe, 0)) // try to skip loading if possible
       start = 0x2002d3fe; // FW=2v20
   }
   const end = Math.min(start + 0x800, 0x20038000);