From 6ae46f99411dc13752d3a15b4a8d5153102e97cf Mon Sep 17 00:00:00 2001
From: Raphael Coeffic <raphael.coeffic@frafos.com>
Date: Sun, 9 May 2021 08:51:43 +0200
Subject: [PATCH] Do not warp around on main menu

---
 radio/src/targets/common/arm/stm32/bootloader/boot.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/radio/src/targets/common/arm/stm32/bootloader/boot.cpp b/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
index c6d7bac5b..c75efe9fe 100644
--- a/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
+++ b/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
@@ -315,11 +315,11 @@ int main()
         bootloaderDrawScreen(state, vpos);
 
         if (event == EVT_KEY_FIRST(KEY_DOWN)) {
-          vpos = (vpos + 1) % MAIN_MENU_LEN;
+          if (vpos < MAIN_MENU_LEN - 1) { vpos++; }
           continue;
         }
         else if (event == EVT_KEY_FIRST(KEY_UP)) {
-          vpos = (vpos + MAIN_MENU_LEN - 1) % MAIN_MENU_LEN;
+          if (vpos > 0) { vpos--; }
           continue;
         }
         else if (event == EVT_KEY_BREAK(KEY_ENTER)) {