From e7941cef61556d0b87c7384acd6c762c5c17841e Mon Sep 17 00:00:00 2001
From: Remy Oukaour <remy.oukaour@gmail.com>
Date: Wed, 3 Jan 2018 13:01:23 -0500
Subject: [PATCH] Explain HRAM

---
 hram.asm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/hram.asm b/hram.asm
index 3f84d19ca..15d4cc76d 100644
--- a/hram.asm
+++ b/hram.asm
@@ -1,3 +1,7 @@
+; HRAM uses constants instead of labels so that
+; "ld a, [hAddress]" and "ld [hAddress], a" will
+; use the more efficient "ldh" instruction.
+
 hPushOAM           EQU $ff80 ; 10 bytes
 
 hROMBankBackup     EQU $ff8a
@@ -33,7 +37,7 @@ hJoyLast           EQU $ffa9
 hInMenu            EQU $ffaa
 
 hPrinter           EQU $ffac
-hGraphicStartTile           EQU $ffad
+hGraphicStartTile  EQU $ffad
 hMoveMon           EQU $ffae
 hMapObjectIndexBuffer EQU $ffaf
 hObjectStructIndexBuffer EQU $ffb0
@@ -81,7 +85,7 @@ hMoneyTemp         EQU $ffc3
 hMGJoypadPressed   EQU $ffc3
 hMGJoypadReleased  EQU $ffc4
 
-hLCDCPointer              EQU $ffc6
+hLCDCPointer       EQU $ffc6
 hLYOverrideStart   EQU $ffc7
 hLYOverrideEnd     EQU $ffc8
 hMobileReceive     EQU $ffc9