From 6ae63a8ceac9c191ad89a1e9382ce3c87e6b2481 Mon Sep 17 00:00:00 2001
From: Sylvie <35663410+Rangi42@users.noreply.github.com>
Date: Tue, 24 Sep 2024 10:48:10 -0400
Subject: Identify hardware register bits (#469)

---
 constants/hardware_constants.asm | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'constants')

diff --git a/constants/hardware_constants.asm b/constants/hardware_constants.asm
index 6f6d2df8..005a6934 100644
--- a/constants/hardware_constants.asm
+++ b/constants/hardware_constants.asm
@@ -81,8 +81,14 @@ DEF rWave_d           EQU $ff3d
 DEF rWave_e           EQU $ff3e
 DEF rWave_f           EQU $ff3f
 DEF rLCDC             EQU $ff40 ; LCD Control (R/W)
-DEF rLCDC_ENABLE      EQU 7
-DEF rLCDC_ENABLE_MASK EQU 1 << rLCDC_ENABLE
+DEF rLCDC_BG_PRIORITY    EQU 0
+DEF rLCDC_SPRITES_ENABLE EQU 1
+DEF rLCDC_SPRITE_SIZE    EQU 2
+DEF rLCDC_BG_TILEMAP     EQU 3
+DEF rLCDC_TILE_DATA      EQU 4
+DEF rLCDC_WINDOW_ENABLE  EQU 5
+DEF rLCDC_WINDOW_TILEMAP EQU 6
+DEF rLCDC_ENABLE         EQU 7
 DEF rSTAT             EQU $ff41 ; LCDC Status (R/W)
 DEF rSCY              EQU $ff42 ; Scroll Y (R/W)
 DEF rSCX              EQU $ff43 ; Scroll X (R/W)
@@ -111,3 +117,8 @@ DEF rSVBK             EQU $ff70 ; CGB Mode Only - WRAM Bank
 DEF rPCM12            EQU $ff76 ; Channels 1 & 2 Amplitude (R)
 DEF rPCM34            EQU $ff77 ; Channels 3 & 4 Amplitude (R)
 DEF rIE               EQU $ffff ; Interrupt Enable (R/W)
+DEF rIE_VBLANK EQU 0
+DEF rIE_LCD    EQU 1
+DEF rIE_TIMER  EQU 2
+DEF rIE_SERIAL EQU 3
+DEF rIE_JOYPAD EQU 4
-- 
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