From 2fca32b6c8742c4accaf05a8bfc0377b59a76c6e Mon Sep 17 00:00:00 2001
From: Rangi <remy.oukaour+rangi42@gmail.com>
Date: Wed, 30 Jan 2019 19:43:01 -0500
Subject: [PATCH] Explain the c608 union size

---
 wram.asm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/wram.asm b/wram.asm
index 5fe54b7b4..22941c5c5 100644
--- a/wram.asm
+++ b/wram.asm
@@ -364,14 +364,18 @@ wc642:: ds 5
 wc647:: ds 33
 wc668:: ds 32
 wc688:: ds 2
-wc68a:: ds 350
+wc68a:: ds 4
 
 NEXTU ; c608
 ; surrounding tiles
+; This buffer determines the size for the rest of the union;
+; it uses exactly 480 bytes.
 wSurroundingTiles:: ds SURROUNDING_WIDTH * SURROUNDING_HEIGHT
 
 NEXTU ; c608
 ; box save buffer
+; SaveBoxAddress uses this buffer in three steps because it
+; needs more space than is available.
 wBoxPartialData:: ds 480
 wBoxPartialDataEnd::