diff --git a/mini.cpp b/mini.cpp
index e73b292..b32eb58 100644
--- a/mini.cpp
+++ b/mini.cpp
@@ -726,7 +726,7 @@ uint8_t gettrans() {
 }
 
 void subpal(uint8_t index, uint8_t color) {
-    ds::draw_palette[index] = color;
+    ds::draw_palette[SDL_clamp(index,0,255)] = SDL_clamp(color,0,255);
 }
 
 void reset_subpal() {
diff --git a/vscode/library.lua b/vscode/library.lua
index 10e5230..820b77b 100644
--- a/vscode/library.lua
+++ b/vscode/library.lua
@@ -436,7 +436,8 @@ function sys.time() end
 ---Reset chrono time (with offset in seconds) (with decimals)
 function sys.chrono(offset) end
 
----Get chrono time since last chrono reset in seconds (with decimals)
+---@return number
+---@---Get chrono time since last chrono reset in seconds (with decimals)
 function sys.chrono() end
 
 ---@return boolean