From a0675f17c6d4d82c7db82b2410947f4a79d288c2 Mon Sep 17 00:00:00 2001
From: cawtds <38510667+cawtds@users.noreply.github.com>
Date: Mon, 24 Jun 2024 13:59:46 +0200
Subject: [PATCH] sMapTilesBackup as pointer to free up EWRAM

---
 include/config/debug.h | 4 ++--
 src/help_system_util.c | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/config/debug.h b/include/config/debug.h
index da4ddabca..2446b9360 100644
--- a/include/config/debug.h
+++ b/include/config/debug.h
@@ -8,10 +8,10 @@
 #define DEBUG_OVERWORLD_IN_MENU         FALSE               // Replaces the overworld debug menu button combination with a start menu entry (above Pokédex).
 
 // Battle Debug Menu
-#define DEBUG_BATTLE_MENU               FALSE    // If set to TRUE, enables a debug menu to use in battles by pressing the Select button.
+#define DEBUG_BATTLE_MENU               TRUE    // If set to TRUE, enables a debug menu to use in battles by pressing the Select button.
 #define DEBUG_AI_DELAY_TIMER            FALSE   // If set to TRUE, displays the number of frames it takes for the AI to choose a move. Replaces the "What will PKMN do" text. Useful for devs or anyone who modifies the AI code and wants to see if it doesn't take too long to run.
 
 // Pokémon Debug
-#define DEBUG_POKEMON_SPRITE_VISUALIZER FALSE    // Enables a debug menu for Pokémon sprites and icons, accessed by pressing Select in the summary screen.
+#define DEBUG_POKEMON_SPRITE_VISUALIZER TRUE    // Enables a debug menu for Pokémon sprites and icons, accessed by pressing Select in the summary screen.
 
 #endif // GUARD_CONFIG_DEBUG_H
diff --git a/src/help_system_util.c b/src/help_system_util.c
index 546fda934..f167a92a1 100644
--- a/src/help_system_util.c
+++ b/src/help_system_util.c
@@ -25,7 +25,7 @@ struct HelpSystemVideoState
     /*0x15*/ u8 state;
 };
 
-static EWRAM_DATA u8 sMapTilesBackup[BG_CHAR_SIZE] = {0};
+static EWRAM_DATA u8 (*sMapTilesBackup)[BG_CHAR_SIZE] = NULL;
 EWRAM_DATA u8 gDisableHelpSystemVolumeReduce = 0;
 EWRAM_DATA bool8 gHelpSystemToggleWithRButtonDisabled = FALSE;
 static EWRAM_DATA u8 sDelayTimer = 0;
@@ -161,6 +161,7 @@ void SaveMapGPURegs(void)
 
 void SaveMapTiles(void)
 {
+    sMapTilesBackup = Alloc(BG_CHAR_SIZE);
     RequestDma3Copy((void *)BG_CHAR_ADDR(3), sMapTilesBackup, BG_CHAR_SIZE, DMA3_16BIT);
 }
 
@@ -191,6 +192,7 @@ void RestoreGPURegs(void)
 void RestoreMapTiles(void)
 {
     RequestDma3Copy(sMapTilesBackup, (void *)BG_CHAR_ADDR(3), BG_CHAR_SIZE, DMA3_16BIT);
+    Free(sMapTilesBackup);
 }
 
 void RestoreMapTextColors(void)