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-rw-r--r--src/wram.asm42
1 files changed, 28 insertions, 14 deletions
diff --git a/src/wram.asm b/src/wram.asm
index 83c260b..46345f9 100644
--- a/src/wram.asm
+++ b/src/wram.asm
@@ -2079,13 +2079,15 @@ wPCLastDirectionPressed:: ; d12d
ds $1
-wd12f:: ; d12f
+wBGMapWidth:: ; d12f
ds $1
-wd130:: ; d130
+wBGMapHeight:: ; d130
ds $1
-wd131:: ; d131
+; current tilemap to load
+; TILEMAP_* constant
+wCurTilemap:: ; d131
ds $1
wd132:: ; d132
@@ -2126,14 +2128,13 @@ wd237:: ; d237
wd238:: ; d238
ds $1
-wd239:: ; d239
+; current tileset to load to VRAM
+; TILESET_* constant
+wCurTileset:: ; d239
ds $1
wd23a:: ; d23a
- ds $1
-
-wd23b:: ; d23b
- ds $1
+ ds $2
wd23c:: ; d23c
ds $1
@@ -2141,10 +2142,20 @@ wd23c:: ; d23c
wd23d:: ; d23d
ds $1
+UNION
+
; palette loaded from Palette* data
wLoadedPalData:: ; d23e
ds $50
+NEXTU
+
+; where BG map data is decompressed
+wBGMapBuffer:: ; d23e
+ ds $40
+
+ENDU
+
wd28e:: ; d28e
ds $1
@@ -2157,7 +2168,10 @@ wd290:: ; d290
wd291:: ; d291
ds $1
-wd292:: ; d292
+; determines where to copy BG Map data
+; $0 = copies to VRAM
+; $1 = copies to SRAM
+wBGMapCopyMode:: ; d292
ds $1
ds $4
@@ -2483,11 +2497,9 @@ wTempPointerBank:: ; d4c6
wCurSpriteTileSize:: ; d4c7
ds $1
-; stores number of tiles that current sprite has
-wCurSpriteNumTiles:: ; d4c8
- ds $1
-
- ds $1
+; stores number of tiles that current sprite/tileset has
+wTotalNumTiles:: ; d4c8
+ ds $2
; stores tile offset in VRAM
wVRAMTileOffset:: ; d4ca
@@ -2495,6 +2507,8 @@ wVRAMTileOffset:: ; d4ca
wd4ca:: ; d4ca
ds $1
+; bottom bit stores which VRAM bank to draw certain gfx
+; $0 = VRAM0, $1 = VRAM1
wd4cb:: ; d4cb
ds $1