diff --git a/Makefile b/Makefile
index 7a7ffcdd..4dc35a7a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,94 +1,81 @@
 PYTHON := python
+MD5    := md5sum -c --quiet
 
 .SUFFIXES:
 .SUFFIXES: .asm .tx .o .gbc
-.PHONY: all clean red blue compare pngs
+.PHONY: all clean red blue yellow compare
 .PRECIOUS: %.2bpp
 .SECONDEXPANSION:
 
-POKEMONTOOLS := extras/pokemontools
-GFX          := $(PYTHON) $(POKEMONTOOLS)/gfx.py
-PIC          := $(PYTHON) $(POKEMONTOOLS)/pic.py
-INCLUDES     := $(PYTHON) $(POKEMONTOOLS)/scan_includes.py
-PREPROCESS   := $(PYTHON) prequeue.py
+poketools := extras/pokemontools
+gfx       := $(PYTHON) $(poketools)/gfx.py
+pic       := $(PYTHON) $(poketools)/pic.py
+includes  := $(PYTHON) $(poketools)/scan_includes.py
+pre       := $(PYTHON) prequeue.py
 
-TEXTQUEUE :=
 
-RED_OBJS  := \
-pokered.o \
-audio_red.o \
-wram.o \
-text.o
+versions := red blue yellow
 
-BLUE_OBJS := \
-pokeblue.o \
-audio_blue.o \
-wram.o \
-text.o
+$(foreach ver, $(versions), \
+	$(eval $(ver)_asm := $(shell find $(ver) -iname '*.asm')) \
+	$(eval $(ver)_obj := $($(ver)_asm:.asm=.o)) \
+	$(eval all_obj += $($(ver)_obj)) \
+)
+$(foreach obj, $(all_obj), \
+	$(eval $(obj:.o=)_dep := $(shell $(includes) $(obj:.o=.asm))) \
+)
 
-OBJS := $(RED_OBJS) $(BLUE_OBJS)
-OBJS := $(sort $(OBJS))
 
-ROMS := pokered.gbc pokeblue.gbc
+roms := pokered.gbc pokeblue.gbc
 
-# object dependencies
-$(shell $(foreach obj, $(OBJS), $(eval $(obj:.o=)_DEPENDENCIES := $(shell $(INCLUDES) $(obj:.o=.asm)))))
+all:    $(roms)
+red:    pokered.gbc
+blue:   pokeblue.gbc
+yellow: pokeyellow.gbc
 
-all: $(ROMS)
-red:  pokered.gbc
-blue: pokeblue.gbc
 compare:
-	@md5sum -c --quiet roms.md5
+	@$(MD5) roms.md5
 clean:
-	rm -f $(ROMS)
-	rm -f $(OBJS)
-	find .   -iname '*.tx'      -exec rm {} +
-	find gfx -iname '*.[12]bpp' -exec rm {} +
-	find pic -iname '*.pic'     -exec rm {} +
-	find pic -iname '*.2bpp'    -exec rm {} +
-	rm -f redrle
-
-
-redrle: extras/redtools/redrle.c
-	${CC} -o $@ $<
+	rm -f $(roms) $(all_obj)
+	find . \( -iname '*.tx' -o -iname '*.1bpp' -o -iname '*.2bpp' -o -iname '*.pic' \) -exec rm {} +
 
 
 %.asm: ;
-.asm.tx:
-	$(eval TEXTQUEUE += $<)
+%.tx: %.asm
+	$(eval txq += $<)
 	@rm -f $@
 
-$(OBJS): $$*.tx $$(patsubst %.asm, %.tx, $$($$*_DEPENDENCIES))
-	@$(PREPROCESS) $(TEXTQUEUE)
-	@$(eval TEXTQUEUE :=)
-	@$(GFX) 2bpp $(2BPPQUEUE)
-	@$(eval 2BPPQUEUE :=)
-	@$(GFX) 1bpp $(1BPPQUEUE)
-	@$(eval 1BPPQUEUE :=)
-	@$(PIC) compress $(PICQUEUE)
-	@$(eval PICQUEUE  :=)
+$(all_obj): $$*.tx $$(patsubst %.asm, %.tx, $$($$*_dep))
+	@$(pre) $(txq);           $(eval txq   :=)
+	@$(gfx) 2bpp $(2bppq);    $(eval 2bppq :=)
+	@$(gfx) 1bpp $(1bppq);    $(eval 1bppq :=)
+	@$(pic) compress $(picq); $(eval picq  :=)
 	rgbasm -o $@ $*.tx
 
 
-OPTIONS = -jsv -k 01 -l 0x33 -m 0x13 -p 0 -r 03
+link    := rgblink -n $*.sym -m $*.map
+dmg_opt :=  -jsv -k 01 -l 0x33 -m 0x13 -p 0 -r 03
+cgb_opt := -cjsv -k 01 -l 0x33 -m 0x1b -p 0 -r 03
 
-pokered.gbc: $(RED_OBJS)
-	rgblink -n $*.sym -m $*.map -o $@ $^
-	rgbfix $(OPTIONS) -t "POKEMON RED" $@
+pokered.gbc: $(red_obj)
+	$(link) -o $@ $^
+	rgbfix $(dmg_opt) -t "POKEMON RED" $@
 
-pokeblue.gbc: $(BLUE_OBJS)
-	rgblink -n $*.sym -m $*.map -o $@ $^
-	rgbfix $(OPTIONS) -t "POKEMON BLUE" $@
+pokeblue.gbc: $(blue_obj)
+	$(link) -o $@ $^
+	rgbfix $(dmg_opt) -t "POKEMON BLUE" $@
+
+pokeyellow.gbc: $(yellow_obj)
+	$(link) -o $@ $^
+	rgbfix $(cgb_opt) -t "POKEMON YELLOW" $@
 
 
 %.2bpp: %.png
-	$(eval 2BPPQUEUE += $<)
+	$(eval 2bppq += $<)
 	@rm -f $@
 %.1bpp: %.png
-	$(eval 1BPPQUEUE += $<)
+	$(eval 1bppq += $<)
 	@rm -f $@
-%.pic: %.2bpp
-	$(eval PICQUEUE  += $<)
+%.pic:  %.2bpp
+	$(eval picq  += $<)
 	@rm -f $@
-
-
diff --git a/audio_blue.asm b/blue/audio.asm
similarity index 100%
rename from audio_blue.asm
rename to blue/audio.asm
diff --git a/pokeblue.asm b/blue/main.asm
similarity index 100%
rename from pokeblue.asm
rename to blue/main.asm
diff --git a/blue/text.asm b/blue/text.asm
new file mode 100644
index 00000000..ec6d7203
--- /dev/null
+++ b/blue/text.asm
@@ -0,0 +1,2 @@
+INCLUDE "blue.asm"
+INCLUDE "text.asm"
diff --git a/blue/wram.asm b/blue/wram.asm
new file mode 100644
index 00000000..70292177
--- /dev/null
+++ b/blue/wram.asm
@@ -0,0 +1,2 @@
+INCLUDE "blue.asm"
+INCLUDE "wram.asm"
diff --git a/constants.asm b/constants.asm
index 26356edd..b427e3c7 100644
--- a/constants.asm
+++ b/constants.asm
@@ -3,6 +3,7 @@ INCLUDE "version.asm"
 INCLUDE "macros.asm"
 
 INCLUDE "hram.asm"
+INCLUDE "vram.asm"
 
 INCLUDE "constants/hardware_constants.asm"
 INCLUDE "constants/oam_constants.asm"
diff --git a/data/sgb_border.asm b/data/sgb_border.asm
index 716a991e..5a0bbb2d 100755
--- a/data/sgb_border.asm
+++ b/data/sgb_border.asm
@@ -55,8 +55,8 @@ ENDC
 
 SGBBorderGraphics: ; 72fe8 (1c:6fe8)
 IF _RED
-	INCBIN "gfx/red/sgbborder.w128.2bpp"
+	INCBIN "gfx/red/sgbborder.2bpp"
 ENDC
 IF _BLUE
-	INCBIN "gfx/blue/sgbborder.w128.2bpp"
+	INCBIN "gfx/blue/sgbborder.2bpp"
 ENDC
diff --git a/engine/HoF_room_pc.asm b/engine/HoF_room_pc.asm
index 9b5bd8b2..5af7484c 100755
--- a/engine/HoF_room_pc.asm
+++ b/engine/HoF_room_pc.asm
@@ -4,13 +4,13 @@ HallOfFameComputer: ; 7405c (1d:405c)
 	ld c, $64
 	call DelayFrames
 	call DisableLCD
-	ld hl, $8800
-	ld bc, $400
+	ld hl, vFont
+	ld bc, $800 / 2
 	call Func_74171
-	ld hl, $9600
-	ld bc, $100
+	ld hl, vChars2 + $600
+	ld bc, $200 / 2
 	call Func_74171
-	ld hl, $97e0
+	ld hl, vChars2 + $7e0
 	ld bc, $10
 	ld a, $ff
 	call FillMemory
@@ -66,16 +66,16 @@ DisplayCreditsMon: ; 740cb (1d:40cb)
 	ld hl,Coord
 	call GetMonHeader
 	call LoadFrontSpriteByMonIndex
-	ld hl,$980C
+	ld hl,vBGMap0 + $c
 	call Func_74164
 	xor a
 	ld [H_AUTOBGTRANSFERENABLED],a
 	call LoadScreenTilesFromBuffer1
-	ld hl,$9800
+	ld hl,vBGMap0
 	call Func_74164
 	ld a,$A7
 	ld [$FF4B],a
-	ld hl,$9C00
+	ld hl,vBGMap1
 	call Func_74164
 	call FillMiddleOfScreenWithWhite
 	ld a,$FC
@@ -238,7 +238,7 @@ Credits: ; 7418e (1d:418e)
 	call FillMiddleOfScreenWithWhite
 	pop de
 	ld de, TheEndGfx
-	ld hl, $9600
+	ld hl, vChars2 + $600
 	ld bc, (BANK(TheEndGfx) << 8) + $0a
 	call CopyVideoData
 	FuncCoord 4, 8
@@ -260,4 +260,4 @@ INCLUDE "data/credits_order.asm"
 INCLUDE "text/credits_text.asm"
 
 TheEndGfx: ; 7473e (1d:473e) ; 473E (473F on blue)
-	INCBIN "gfx/theend.w40.interleave.2bpp"
+	INCBIN "gfx/theend.interleave.2bpp"
diff --git a/engine/battle/1c.asm b/engine/battle/1c.asm
index dff505a1..d936c7e5 100755
--- a/engine/battle/1c.asm
+++ b/engine/battle/1c.asm
@@ -45,9 +45,9 @@ Func_708ca: ; 708ca (1c:48ca)
 	jp ClearSprites
 
 Func_7092a: ; 7092a (1c:492a)
-	ld de, $9000
-	ld hl, $8000
-	ld bc, $31
+	ld de, vFrontPic
+	ld hl, vSprites
+	ld bc, 7 * 7
 	call CopyVideoData
 	ld a, $10
 	ld [W_BASECOORDY], a ; wd082
@@ -261,7 +261,7 @@ DungeonMaps2: ; 70a44 (1c:4a44)
 	db $FF
 
 LoadBattleTransitionTile: ; 70a4d (1c:4a4d)
-	ld hl, $8ff0
+	ld hl, vChars1 + $7f0
 	ld de, BattleTransitionTile
 	ld bc, (BANK(BattleTransitionTile) << 8) + $01
 	jp CopyVideoData
diff --git a/engine/battle/animations.asm b/engine/battle/animations.asm
index a7bda2d2..e3ee4fe0 100755
--- a/engine/battle/animations.asm
+++ b/engine/battle/animations.asm
@@ -341,7 +341,7 @@ LoadAnimationTileset: ; 781d2 (1e:41d2)
 	ld e,a
 	ld a,[hl]
 	ld d,a ; de = address of tileset
-	ld hl,$8310 ; destination address in VRAM
+	ld hl,vSprites + $310
 	ld b, BANK(AnimationTileset1) ; ROM bank
 	ld a,[wd07d]
 	ld c,a ; number of tiles
@@ -1960,17 +1960,17 @@ AnimationSlideMonHalfLeft: ; 79645 (1e:5645)
 Func_79652: ; 79652 (1e:5652)
 	ld a, [H_WHOSETURN] ; $fff3
 	and a
-	ld hl, $9310
+	ld hl, vBackPic
 	jr z, .asm_7965d
-	ld hl, $9000
+	ld hl, vFrontPic
 .asm_7965d
 	ld de, wTempPic
-	ld bc, $31
+	ld bc, 7 * 7
 	jp CopyVideoData
 
 AnimationWavyScreen: ; 79666 (1e:5666)
 ; used in Psywave/Psychic etc.
-	ld hl, $9800
+	ld hl, vBGMap0
 	call Func_79e0d
 	call Delay3
 	xor a
@@ -2005,7 +2005,7 @@ AnimationWavyScreen: ; 79666 (1e:5666)
 	ld [H_AUTOBGTRANSFERENABLED], a
 	call Delay3
 	call LoadScreenTilesFromBuffer2
-	ld hl, $9c00
+	ld hl, vBGMap1
 	call Func_79e0d
 	ret
 
@@ -2751,22 +2751,22 @@ Unknown_79d63: ; 79d63 (1e:5d63)
 	db $00,$84,$06,$81,$02,$88,$01,$83,$05,$89,$09,$80,$07,$87,$03,$82,$04,$85,$08,$86
 
 AnimationShakeEnemyHUD: ; 79d77 (1e:5d77)
-	ld de, $9310
-	ld hl, $8000
-	ld bc, $0031
+	ld de, vBackPic
+	ld hl, vSprites
+	ld bc, 7 * 7
 	call CopyVideoData
 	xor a
 	ld [$ffae], a
-	ld hl, $9800
+	ld hl, vBGMap0
 	call Func_79e0d
 	ld a, $90
 	ld [$ffb0], a
-	ld hl, $9b20
+	ld hl, vBGMap0 + $320
 	call Func_79e0d
 	ld a, $38
 	ld [$ffb0], a
 	call Func_792fd
-	ld hl, $9800
+	ld hl, vBGMap0
 	call Func_79e0d
 	call AnimationHideMonPic
 	call Delay3
@@ -2776,17 +2776,17 @@ AnimationShakeEnemyHUD: ; 79d77 (1e:5d77)
 	call ClearSprites
 	ld a, $90
 	ld [$ffb0], a
-	ld hl, $9c00
+	ld hl, vBGMap1
 	call Func_79e0d
 	xor a
 	ld [$ffb0], a
 	call SaveScreenTilesToBuffer1
-	ld hl, $9800
+	ld hl, vBGMap0
 	call Func_79e0d
 	call ClearScreen
 	call Delay3
 	call LoadScreenTilesFromBuffer1
-	ld hl, $9c00
+	ld hl, vBGMap1
 	jp Func_79e0d
 
 Func_79dda: ; 79dda (1e:5dda)
diff --git a/engine/battle/core.asm b/engine/battle/core.asm
index 68c3f892..b6d8b78e 100755
--- a/engine/battle/core.asm
+++ b/engine/battle/core.asm
@@ -103,7 +103,7 @@ Func_3c04c: ; 3c04c (f:404c)
 	call DisableLCD
 	call LoadFontTilePatterns
 	call Func_3ee58
-	ld hl, $9800
+	ld hl, vBGMap0
 	ld bc, $400
 .asm_3c06f
 	ld a, $7f
@@ -113,7 +113,7 @@ Func_3c04c: ; 3c04c (f:404c)
 	or c
 	jr nz, .asm_3c06f
 	ld hl, wTileMap
-	ld de, $9800
+	ld de, vBGMap0
 	ld b, $12
 .asm_3c07f
 	ld c, $14
@@ -1462,7 +1462,7 @@ Func_3c92a: ; 3c92a (f:492a)
 	ld [wcf91],a
 	ld [wd0b5],a
 	call GetMonHeader
-	ld de,$9000
+	ld de,vFrontPic
 	call LoadMonFrontSprite
 	ld a,$CF
 	ld [$FFE1],a
@@ -2400,7 +2400,7 @@ Func_3d119: ; 3d119 (f:5119)
 	ld [wcf91], a
 	ld [wd0b5], a
 	call GetMonHeader
-	ld de, $9000
+	ld de, vFrontPic
 	call LoadMonFrontSprite
 	jr .asm_3d187
 .asm_3d182
@@ -6288,17 +6288,17 @@ Func_3ec92: ; 3ec92 (f:6c92)
 	ld e, a
 	dec b
 	jr nz, .asm_3ecb2
-	ld de, $9310
+	ld de, vBackPic
 	call InterlaceMergeSpriteBuffers
 	ld a, $a
 	ld [$0], a
 	xor a
 	ld [$4000], a
-	ld hl, $8000
+	ld hl, vSprites
 	ld de, S_SPRITEBUFFER1
 	ld a, [H_LOADEDROMBANK]
 	ld b, a
-	ld c, $31
+	ld c, 7 * 7
 	call CopyVideoData
 	xor a
 	ld [$0], a
@@ -6552,22 +6552,22 @@ Func_3ee5b: ; 3ee5b (f:6e5b)
 	add a
 	jr c, .asm_3ee7c
 	ld hl, BattleHudTiles1 ; $6080
-	ld de, $96d0
+	ld de, vChars2 + $6d0
 	ld bc, $18
 	ld a, BANK(BattleHudTiles1)
 	call FarCopyDataDouble
 	ld hl, BattleHudTiles2 ; $6098
-	ld de, $9730
+	ld de, vChars2 + $730
 	ld bc, $30
 	ld a, BANK(BattleHudTiles2)
 	jp FarCopyDataDouble
 .asm_3ee7c
 	ld de, BattleHudTiles1 ; $6080
-	ld hl, $96d0
+	ld hl, vChars2 + $6d0
 	ld bc, (BANK(BattleHudTiles1) << 8) + $03
 	call CopyVideoDataDouble
 	ld de, BattleHudTiles2 ; $6098
-	ld hl, $9730
+	ld hl, vChars2 + $730
 	ld bc, (BANK(BattleHudTiles2) << 8) + $06
 	jp CopyVideoDataDouble
 
@@ -6751,13 +6751,13 @@ InitWildBattle: ; 3ef8b (f:6f8b)
 	push af
 	ld a, MON_GHOST
 	ld [wcf91], a
-	ld de, $9000
+	ld de, vFrontPic
 	call LoadMonFrontSprite ; load ghost sprite
 	pop af
 	ld [wcf91], a
 	jr .spriteLoaded
 .isNoGhost
-	ld de, $9000
+	ld de, vFrontPic
 	call LoadMonFrontSprite ; load mon sprite
 .spriteLoaded
 	xor a
@@ -6825,7 +6825,7 @@ _LoadTrainerPic: ; 3f04b (f:704b)
 	ld a, Bank(RedPicFront)
 .loadSprite
 	call UncompressSpriteFromDE
-	ld de, $9000
+	ld de, vFrontPic
 	ld a, $77
 	ld c, a
 	jp LoadUncompressedSpriteData
@@ -6930,9 +6930,9 @@ asm_3f0d0: ; 3f0d0 (f:70d0)
 	jr nz, .asm_3f0f4
 	ret
 
-; loads back sprite of mon to $8000
-; assumes the corresponding mon header is already loaded
-LoadMonBackSprite: ; 3f103 (f:7103)
+LoadMonBackSprite:
+; Assumes the monster's attributes have
+; been loaded with GetMonHeader.
 	ld a, [wcfd9]
 	ld [wcf91], a
 	FuncCoord 1, 5
@@ -6944,10 +6944,10 @@ LoadMonBackSprite: ; 3f103 (f:7103)
 	call UncompressMonSprite
 	ld a, $3
 	call Predef ; indirect jump to ScaleSpriteByTwo (2fe40 (b:7e40))
-	ld de, $9310
+	ld de, vBackPic
 	call InterlaceMergeSpriteBuffers ; combine the two buffers to a single 2bpp sprite
-	ld hl, $8000
-	ld de, $9310
+	ld hl, vSprites
+	ld de, vBackPic
 	ld c, (2*SPRITEBUFFERSIZE)/16 ; count of 16-byte chunks to be copied
 	ld a, [H_LOADEDROMBANK]
 	ld b, a
diff --git a/engine/battle/e.asm b/engine/battle/e.asm
index 77fae4df..fbede5dd 100755
--- a/engine/battle/e.asm
+++ b/engine/battle/e.asm
@@ -1382,7 +1382,7 @@ DrawEnemyPokeballs: ; 0x3a857
 
 LoadPartyPokeballGfx: ; 3a85d (e:685d)
 	ld de, PokeballTileGraphics ; $697e
-	ld hl, $8310
+	ld hl, vSprites + $310
 	ld bc, (BANK(PokeballTileGraphics) << 8) + $04
 	jp CopyVideoData
 
diff --git a/engine/evolution.asm b/engine/evolution.asm
index 37aef792..8e511182 100755
--- a/engine/evolution.asm
+++ b/engine/evolution.asm
@@ -28,9 +28,9 @@ Func_7bde9: ; 7bde9 (1e:7de9)
 	ld [wcf91], a
 	ld [wd0b5], a
 	call Func_7beb9
-	ld de, $9000
-	ld hl, $9310
-	ld bc, $31
+	ld de, vFrontPic
+	ld hl, vBackPic
+	ld bc, 7 * 7
 	call CopyVideoData
 	ld a, [wHPBarMaxHP]
 	ld [wcf91], a
diff --git a/engine/gamefreak.asm b/engine/gamefreak.asm
index 25f0bf5a..d0f1bbac 100755
--- a/engine/gamefreak.asm
+++ b/engine/gamefreak.asm
@@ -4,15 +4,15 @@ LoadShootingStarGraphics: ; 70000 (1c:4000)
 	ld a, $a4
 	ld [rOBP1], a ; $ff49
 	ld de, AnimationTileset2 + $30 ; $471e ; star tile (top left quadrant)
-	ld hl, $8a00
+	ld hl, vChars1 + $200
 	ld bc, (BANK(AnimationTileset2) << 8) + $01
 	call CopyVideoData
 	ld de, AnimationTileset2 + $130 ; $481e ; star tile (bottom left quadrant)
-	ld hl, $8a10
+	ld hl, vChars1 + $210
 	ld bc, (BANK(AnimationTileset2) << 8) + $01
 	call CopyVideoData
 	ld de, FallingStar ; $4190
-	ld hl, $8a20
+	ld hl, vChars1 + $220
 	ld bc, (BANK(FallingStar) << 8) + $01
 	call CopyVideoData
 	ld hl, GameFreakLogoOAMData ; $4140
diff --git a/engine/hall_of_fame.asm b/engine/hall_of_fame.asm
index f02107cc..981e1db5 100755
--- a/engine/hall_of_fame.asm
+++ b/engine/hall_of_fame.asm
@@ -6,7 +6,7 @@ AnimateHallOfFame: ; 701a0 (1c:41a0)
 	call LoadFontTilePatterns
 	call LoadTextBoxTilePatterns
 	call DisableLCD
-	ld hl, $9800
+	ld hl,vBGMap0
 	ld bc, $800
 	ld a, $7f
 	call FillMemory
@@ -197,14 +197,14 @@ Func_7033e: ; 7033e (1c:433e)
 	ld de, $a000
 	ld bc, $310
 	call CopyData
-	ld de, $9000
+	ld de, vFrontPic
 	call InterlaceMergeSpriteBuffers
 	ld de, RedPicBack ; $7e0a
 	ld a, BANK(RedPicBack)
 	call UncompressSpriteFromDE
 	ld a, $3
 	call Predef ; indirect jump to ScaleSpriteByTwo (2fe40 (b:7e40))
-	ld de, $9310
+	ld de, vBackPic
 	call InterlaceMergeSpriteBuffers
 	ld c, $1
 
diff --git a/engine/hidden_object_functions17.asm b/engine/hidden_object_functions17.asm
index 070dde98..bdda042c 100755
--- a/engine/hidden_object_functions17.asm
+++ b/engine/hidden_object_functions17.asm
@@ -73,7 +73,7 @@ DisplayMonFrontSpriteInBox: ; 5dbd9 (17:5bd9)
 	ld a, [wcf91]
 	ld [wd0b5], a
 	call GetMonHeader
-	ld de, $8b10
+	ld de, vChars1 + $310
 	call LoadMonFrontSprite
 	ld a, $80
 	ld [$ffe1], a
diff --git a/engine/intro.asm b/engine/intro.asm
index 767522e7..8e344e48 100755
--- a/engine/intro.asm
+++ b/engine/intro.asm
@@ -199,7 +199,7 @@ Func_417c7: ; 417c7 (10:57c7)
 	ret
 
 Func_417f0: ; 417f0 (10:57f0)
-	ld hl, $9c00
+	ld hl, vBGMap1
 	ld bc, $240
 	jr asm_417fe
 
@@ -275,22 +275,22 @@ Func_41849: ; 41849 (10:5849)
 
 LoadIntroGraphics: ; 41852 (10:5852)
 	ld hl, FightIntroBackMon ; $5a99
-	ld de, $9000
+	ld de, vChars2
 	ld bc, $600
 	ld a, BANK(FightIntroBackMon)
 	call FarCopyData2
 	ld hl, GameFreakIntro ; $5959
-	ld de, $9600
+	ld de, vChars2 + $600
 	ld bc, $140
 	ld a, BANK(GameFreakIntro)
 	call FarCopyData2
 	ld hl, GameFreakIntro ; $5959
-	ld de, $8800
+	ld de, vChars1
 	ld bc, $140
 	ld a, BANK(GameFreakIntro)
 	call FarCopyData2
 	ld hl, FightIntroFrontMon ; $6099
-	ld de, $8000
+	ld de, vChars0
 	ld bc, $6c0
 	ld a, BANK(FightIntroFrontMon)
 	jp FarCopyData2
@@ -341,10 +341,10 @@ Func_418e9: ; 418e9 (10:58e9)
 	ld hl, Coord
 	ld c, $50
 	call Func_41807
-	ld hl, $9c00
+	ld hl, vBGMap1
 	ld c, $80
 	call Func_41807
-	ld hl, $9dc0
+	ld hl, vBGMap1 + $1c0
 	ld c, $80
 	jp Func_41807
 
@@ -425,7 +425,7 @@ IntroNidorinoAnimation7: ; 41950 (10:5950)
 	db $50 ; list terminator
 
 GameFreakIntro: ; 41959 (10:5959)
-	INCBIN "gfx/gamefreak_intro.h8.2bpp"
+	INCBIN "gfx/gamefreak_intro.2bpp"
 	INCBIN "gfx/gamefreak_logo.2bpp"
 	ds $10 ; blank tile
 
diff --git a/engine/load_pokedex_tiles.asm b/engine/load_pokedex_tiles.asm
index 7a49adaa..e8205ef8 100755
--- a/engine/load_pokedex_tiles.asm
+++ b/engine/load_pokedex_tiles.asm
@@ -2,10 +2,10 @@
 LoadPokedexTilePatterns: ; 17840 (5:7840)
 	call LoadHpBarAndStatusTilePatterns
 	ld de,PokedexTileGraphics ; $6488
-	ld hl,$9600
+	ld hl,vChars2 + $600
 	ld bc,(BANK(PokedexTileGraphics) << 8) + $12
 	call CopyVideoData
 	ld de,PokeballTileGraphics ; $697e
-	ld hl,$9720
+	ld hl,vChars2 + $720
 	ld bc,(BANK(PokeballTileGraphics) << 8) + $01
 	jp CopyVideoData ; load pokeball tile for marking caught mons
diff --git a/engine/menu/bills_pc.asm b/engine/menu/bills_pc.asm
index 41210f72..bfcdcb9b 100644
--- a/engine/menu/bills_pc.asm
+++ b/engine/menu/bills_pc.asm
@@ -137,7 +137,7 @@ Func_214e8: ; 214e8 (8:54e8)
 BillsPCMenu:
 	ld a, [wccd3]
 	ld [wCurrentMenuItem], a ; wCurrentMenuItem
-	ld hl, $9780
+	ld hl, vChars2 + $780
 	ld de, PokeballTileGraphics ; $697e
 	ld bc, (BANK(PokeballTileGraphics) << 8) + $01
 	call CopyVideoData
diff --git a/engine/menu/diploma.asm b/engine/menu/diploma.asm
index bb1a2584..58b613c5 100755
--- a/engine/menu/diploma.asm
+++ b/engine/menu/diploma.asm
@@ -8,7 +8,7 @@ DisplayDiploma: ; 566e2 (15:66e2)
 	set 6, [hl]
 	call DisableLCD
 	ld hl, CircleTile ; $7d88
-	ld de, $9700
+	ld de, vChars2 + $700
 	ld bc, $0010
 	ld a, BANK(CircleTile)
 	call FarCopyData2
diff --git a/engine/menu/naming_screen.asm b/engine/menu/naming_screen.asm
index bfafe778..26e7227f 100755
--- a/engine/menu/naming_screen.asm
+++ b/engine/menu/naming_screen.asm
@@ -325,7 +325,7 @@ DisplayNamingScreen: ; 6596 (1:6596)
 
 LoadEDTile: ; 675b (1:675b)
 	ld de, ED_Tile
-	ld hl, $8f00
+	ld hl, vFont + $700
 	ld bc, $1
 	jp CopyVideoDataDouble
 
diff --git a/engine/menu/start_sub_menus.asm b/engine/menu/start_sub_menus.asm
index c495136e..931de340 100755
--- a/engine/menu/start_sub_menus.asm
+++ b/engine/menu/start_sub_menus.asm
@@ -545,39 +545,39 @@ DrawTrainerInfo: ; 1349a (4:749a)
 	FuncCoord 1,2
 	ld hl,Coord
 	call TrainerInfo_DrawVerticalLine
-	ld hl,$9070
-	ld de,$9000
-	ld bc,$01c0
+	ld hl,vChars2 + $70
+	ld de,vChars2
+	ld bc,$70 * 4
 	call CopyData
 	ld hl,TrainerInfoTextBoxTileGraphics ; $7b98 ; trainer info text box tile patterns
-	ld de,$9770
+	ld de,vChars2 + $770
 	ld bc,$0080
 	push bc
 	call TrainerInfo_FarCopyData
 	ld hl,BlankLeaderNames ; $7c28
-	ld de,$9600
+	ld de,vChars2 + $600
 	ld bc,$0170
 	call TrainerInfo_FarCopyData
 	pop bc
 	ld hl,BadgeNumbersTileGraphics  ; $7d98 ; badge number tile patterns
-	ld de,$8d80
+	ld de,vChars1 + $580
 	call TrainerInfo_FarCopyData
 	ld hl,GymLeaderFaceAndBadgeTileGraphics  ; $6a9e ; gym leader face and badge tile patterns
-	ld de,$9200
+	ld de,vChars2 + $200
 	ld bc,$0400
 	ld a,$03
 	call FarCopyData2
 	ld hl,TextBoxGraphics ; $6288
 	ld de,$00d0
 	add hl,de ; hl = colon tile pattern
-	ld de,$8d60
+	ld de,vChars1 + $560
 	ld bc,$0010
 	ld a,$04
 	push bc
 	call FarCopyData2
 	pop bc
 	ld hl,TrainerInfoTextBoxTileGraphics + $80  ; $7c18 ; background tile pattern
-	ld de,$8d70
+	ld de,vChars1 + $570
 	call TrainerInfo_FarCopyData
 	call EnableLCD
 	ld hl,wWhichTrade
diff --git a/engine/menu/status_screen.asm b/engine/menu/status_screen.asm
index a4036bdb..ce5f85ab 100755
--- a/engine/menu/status_screen.asm
+++ b/engine/menu/status_screen.asm
@@ -21,19 +21,19 @@ StatusScreen: ; 12953 (4:6953)
 	call UpdateSprites ; move sprites (?)
 	call LoadHpBarAndStatusTilePatterns
 	ld de, BattleHudTiles1  ; $6080 ; source
-	ld hl, $96d0 ; dest
+	ld hl, vChars2 + $6d0 ; dest
 	ld bc, (BANK(BattleHudTiles1) << 8) + $03 ; bank bytes/8
 	call CopyVideoDataDouble ; ·│ :L and halfarrow line end
 	ld de, BattleHudTiles2 ; $6098
-	ld hl, $9780
+	ld hl, vChars2 + $780
 	ld bc, (BANK(BattleHudTiles2) << 8) + $01
 	call CopyVideoDataDouble ; │
 	ld de, BattleHudTiles3 ; $60b0
-	ld hl, $9760
+	ld hl, vChars2 + $760
 	ld bc, (BANK(BattleHudTiles3) << 8) + $02
 	call CopyVideoDataDouble ; ─┘
 	ld de, PTile
-	ld hl, $9720
+	ld hl, vChars2 + $720
 	ld bc,(BANK(PTile) << 8 | $01)
 	call CopyVideoDataDouble ; P (for PP), inline
 	ld a, [$ffd7]
diff --git a/engine/mon_party_sprites.asm b/engine/mon_party_sprites.asm
index 8c8f5406..cfe34512 100755
--- a/engine/mon_party_sprites.asm
+++ b/engine/mon_party_sprites.asm
@@ -156,142 +156,142 @@ MonPartySpritePointers: ; 717c0 (1c:57c0)
 	dw SlowbroSprite + $c0
 	db $40 / $10 ; 40 bytes
 	db BANK(SlowbroSprite)
-	dw $8000
+	dw vSprites
 
 	dw BallSprite
 	db $80 / $10 ; $80 bytes
 	db BANK(BallSprite)
-	dw $8040
+	dw vSprites + $40
 
 	dw ClefairySprite + $c0
 	db $40 / $10 ; $40 bytes
 	db BANK(ClefairySprite)
-	dw $80C0
+	dw vSprites + $c0
 
 	dw BirdSprite + $c0
 	db $40 / $10 ; $40 bytes
 	db BANK(BirdSprite)
-	dw $8100
+	dw vSprites + $100
 
 	dw SeelSprite
 	db $40 / $10 ; $40 bytes
 	db BANK(SeelSprite)
-	dw $8140
+	dw vSprites + $140
 
 	dw MonPartySprites + $40
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8180
+	dw vSprites + $180
 
 	dw MonPartySprites + $50
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $81A0
+	dw vSprites + $1a0
 
 	dw MonPartySprites + $60
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $81C0
+	dw vSprites + $1c0
 
 	dw MonPartySprites + $70
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $81E0
+	dw vSprites + $1e0
 
 	dw MonPartySprites + $80
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8200
+	dw vSprites + $200
 
 	dw MonPartySprites + $90
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8220
+	dw vSprites + $220
 
 	dw MonPartySprites + $A0
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8240
+	dw vSprites + $240
 
 	dw MonPartySprites + $B0
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8260
+	dw vSprites + $260
 
 	dw MonPartySprites + $100
 	db $40 / $10 ; $40 bytes
 	db BANK(MonPartySprites)
-	dw $8380
+	dw vSprites + $380
 
 	dw SlowbroSprite
 	db $40 / $10 ; $40 bytes
 	db BANK(SlowbroSprite)
-	dw $8400
+	dw vSprites + $400
 
 	dw BallSprite
 	db $80 / $10 ; $80 bytes
 	db BANK(BallSprite)
-	dw $8440
+	dw vSprites + $440
 
 	dw ClefairySprite
 	db $40 / $10 ; $40 bytes
 	db BANK(ClefairySprite)
-	dw $84C0
+	dw vSprites + $4c0
 
 	dw BirdSprite
 	db $40 / $10 ; $40 bytes
 	db BANK(BirdSprite)
-	dw $8500
+	dw vSprites + $500
 
 	dw SeelSprite + $C0
 	db $40 / $10 ; $40 bytes
 	db BANK(SeelSprite)
-	dw $8540
+	dw vSprites + $540
 
 	dw MonPartySprites
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8580
+	dw vSprites + $580
 
 	dw MonPartySprites + $10
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $85A0
+	dw vSprites + $5a0
 
 	dw MonPartySprites + $20
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $85C0
+	dw vSprites + $5c0
 
 	dw MonPartySprites + $30
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $85E0
+	dw vSprites + $5E0
 
 	dw MonPartySprites + $C0
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8600
+	dw vSprites + $600
 
 	dw MonPartySprites + $D0
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8620
+	dw vSprites + $620
 
 	dw MonPartySprites + $E0
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8640
+	dw vSprites + $640
 
 	dw MonPartySprites + $F0
 	db $10 / $10 ; $10 bytes
 	db BANK(MonPartySprites)
-	dw $8660
+	dw vSprites + $660
 
 	dw MonPartySprites + $140
 	db $40 / $10 ; $40 bytes
 	db BANK(MonPartySprites)
-	dw $8780
+	dw vSprites + $780
 
 Func_71868: ; 71868 (1c:5868)
 	push hl
@@ -323,11 +323,11 @@ Func_71890: ; 71890 (1c:5890)
 	ld a, [wcf91]
 	call GetPartyMonSpriteID
 	push af
-	ld hl, $8000
+	ld hl, vSprites
 	call Func_718ac
 	pop af
 	add $54
-	ld hl, $8040
+	ld hl, vSprites + $40
 	call Func_718ac
 	xor a
 	ld [wcd5d], a
diff --git a/engine/oak_speech.asm b/engine/oak_speech.asm
index 60883c54..03c41e12 100755
--- a/engine/oak_speech.asm
+++ b/engine/oak_speech.asm
@@ -117,7 +117,7 @@ Func_61bc: ; 61bc (1:61bc)
 	ld c,4
 	call DelayFrames
 	ld de,RedSprite ; $4180
-	ld hl,$8000
+	ld hl,vSprites
 	ld bc,(BANK(RedSprite) << 8) | $0C
 	call CopyVideoData
 	ld de,ShrinkPic1
@@ -219,9 +219,9 @@ IntroPredef3B: ; 62a4 (1:62a4)
 	call UncompressSpriteFromDE
 	ld hl,S_SPRITEBUFFER1
 	ld de,$A000
-	ld bc,$0310
+	ld bc,$310
 	call CopyData
-	ld de,$9000
+	ld de,vFrontPic
 	call InterlaceMergeSpriteBuffers
 	pop bc
 	ld a,c
diff --git a/engine/overworld/cut.asm b/engine/overworld/cut.asm
index 78945c59..922d01e7 100755
--- a/engine/overworld/cut.asm
+++ b/engine/overworld/cut.asm
@@ -80,22 +80,22 @@ AnimateCutTree: ; eff7 (3:6ff7)
 	cp $52
 	jr z, .asm_f020
 	ld de, Overworld_GFX + $2d0 ; $42d0 ; cuttable tree sprite top row
-	ld hl, $8fc0
+	ld hl, vChars1 + $7c0
 	ld bc, (BANK(Overworld_GFX) << 8) + $02
 	call CopyVideoData
 	ld de, Overworld_GFX + $3d0 ; $43d0 ; cuttable tree sprite bottom row
-	ld hl, $8fe0
+	ld hl, vChars1 + $7e0
 	ld bc, (BANK(Overworld_GFX) << 8) + $02
 	call CopyVideoData
 	jr asm_f055
 .asm_f020
-	ld hl, $8fc0
+	ld hl, vChars1 + $7c0
 	call LoadCutTreeOAM
-	ld hl, $8fd0
+	ld hl, vChars1 + $7d0
 	call LoadCutTreeOAM
-	ld hl, $8fe0
+	ld hl, vChars1 + $7e0
 	call LoadCutTreeOAM
-	ld hl, $8ff0
+	ld hl, vChars1 + $7f0
 	call LoadCutTreeOAM
 	call asm_f055
 	ld hl, wOAMBuffer + $93
diff --git a/engine/overworld/emotion_bubbles.asm b/engine/overworld/emotion_bubbles.asm
index 12cae862..a8d863df 100755
--- a/engine/overworld/emotion_bubbles.asm
+++ b/engine/overworld/emotion_bubbles.asm
@@ -8,7 +8,7 @@ PrintEmotionBubble: ; 17c47 (5:7c47)
 	ld e, [hl]
 	inc hl
 	ld d, [hl]
-	ld hl, $8f80
+	ld hl, vChars1 + $780
 	ld bc, (BANK(EmotionBubblesPointerTable) << 8) + $04
 	call CopyVideoData
 	ld a, [wcfcb]
@@ -65,4 +65,4 @@ EmotionBubblesOAM: ; 17cb5 (5:7cb5)
 	db $FA,$00,$FB,$00
 
 EmotionBubbles: ; 17cbd (5:7cbd)
-	INCBIN "gfx/emotion_bubbles.w16.2bpp"
+	INCBIN "gfx/emotion_bubbles.2bpp"
diff --git a/engine/overworld/healing_machine.asm b/engine/overworld/healing_machine.asm
index 1dcb5054..f9636fcb 100755
--- a/engine/overworld/healing_machine.asm
+++ b/engine/overworld/healing_machine.asm
@@ -1,6 +1,6 @@
 AnimateHealingMachine: ; 70433 (1c:4433)
 	ld de, PokeCenterFlashingMonitorAndHealBall ; $44b7
-	ld hl, $87c0
+	ld hl, vChars0 + $7c0
 	ld bc, (BANK(PokeCenterFlashingMonitorAndHealBall) << 8) + $03
 	call CopyVideoData
 	ld hl, wcfcb
diff --git a/engine/overworld/ledges.asm b/engine/overworld/ledges.asm
index a94f79f6..1da91880 100755
--- a/engine/overworld/ledges.asm
+++ b/engine/overworld/ledges.asm
@@ -69,7 +69,7 @@ LedgeTiles: ; 1a6cf (6:66cf)
 	db $FF
 
 LoadHoppingShadowOAM: ; 1a6f0 (6:66f0)
-	ld hl, $8ff0
+	ld hl, vChars1 + $7f0
 	ld de, LedgeHoppingShadow ; $6708
 	ld bc, (BANK(LedgeHoppingShadow) << 8) + $01
 	call CopyVideoDataDouble
diff --git a/engine/overworld/map_sprites.asm b/engine/overworld/map_sprites.asm
index 297c45b8..81443c9f 100755
--- a/engine/overworld/map_sprites.asm
+++ b/engine/overworld/map_sprites.asm
@@ -126,7 +126,7 @@ LoadMapSpriteTilePatterns: ; 17871 (5:7871)
 	push af
 	push de
 	push bc
-	ld hl,$8000 ; VRAM base address
+	ld hl,vNPCSprites ; VRAM base address
 	ld bc,$c0 ; number of bytes per VRAM slot
 	ld a,[$ff8d]
 	cp a,11 ; is it a 4-tile sprite?
@@ -141,12 +141,12 @@ LoadMapSpriteTilePatterns: ; 17871 (5:7871)
 	jr nz,.calculateVRAMAddrLoop
 	jr .loadStillTilePattern
 .fourTileSpriteVRAMAddr
-	ld hl,$87c0 ; address for second 4-tile sprite
+	ld hl,vSprites + $7c0 ; address for second 4-tile sprite
 	ld a,[$ff8e] ; 4-tile sprite counter
 	and a ; is it the first 4-tile sprite?
 	jr nz,.loadStillTilePattern
 ; if it's the first 4-tile sprite
-	ld hl,$8780 ; address for first 4-tile sprite
+	ld hl,vSprites + $780 ; address for first 4-tile sprite
 	inc a
 	ld [$ff8e],a ; 4-tile sprite counter
 .loadStillTilePattern
diff --git a/engine/overworld/player_animations.asm b/engine/overworld/player_animations.asm
index 0b654369..45051531 100755
--- a/engine/overworld/player_animations.asm
+++ b/engine/overworld/player_animations.asm
@@ -45,7 +45,7 @@ Func_70510: ; 70510 (1c:4510)
 .asm_70568
 	pop hl
 	ld de, BirdSprite ; $4d80
-	ld hl, $8000
+	ld hl, vNPCSprites
 	ld bc, (BANK(BirdSprite) << 8) + $0c
 	call CopyVideoData
 	call Func_706d7
@@ -244,11 +244,11 @@ Func_706ae: ; 706ae (1c:46ae)
 
 Func_706d7: ; 706d7 (1c:46d7)
 	ld de, BirdSprite ; $4d80
-	ld hl, $8000
+	ld hl, vNPCSprites
 	ld bc, (BANK(BirdSprite) << 8) + $0c
 	call CopyVideoData
 	ld de, BirdSprite + $c0 ; $4e40 ; moving amination sprite
-	ld hl, $8800
+	ld hl, vNPCSprites2
 	ld bc, (BANK(BirdSprite) << 8) + $0c
 	jp CopyVideoData
 
@@ -379,7 +379,7 @@ Func_707b6: ; 707b6 (1c:47b6)
 	ld hl, wd736
 	set 6, [hl]
 	ld de, RedSprite ; $4180
-	ld hl, $8000
+	ld hl, vNPCSprites
 	ld bc, (BANK(RedSprite) << 8) + $0c
 	call CopyVideoData
 	ld a, $4
@@ -468,20 +468,20 @@ FishingRodGfxProperties: ; 70856 (1c:4856)
 
 RedFishingTiles: ; 70866 (1c:4866)
 	dw RedFishingTilesFront
-	db $02, $1E
-	dw $8020
+	db 2, BANK(RedFishingTilesFront)
+	dw vNPCSprites + $20
 
 	dw RedFishingTilesBack
-	db $02, $1E
-	dw $8060
+	db 2, BANK(RedFishingTilesBack)
+	dw vNPCSprites + $60
 
 	dw RedFishingTilesSide
-	db $02, $1E
-	dw $80A0
+	db 2, BANK(RedFishingTilesSide)
+	dw vNPCSprites + $a0
 
 	dw RedFishingRodTiles
-	db $03, $1E
-	dw $8FD0
+	db 3, BANK(RedFishingRodTiles)
+	dw vNPCSprites2 + $7d0
 
 _HandleMidJump: ; 7087e (1c:487e)
 	ld a, [wd714]
diff --git a/engine/overworld/ssanne.asm b/engine/overworld/ssanne.asm
index 03114bca..8fd8f99a 100755
--- a/engine/overworld/ssanne.asm
+++ b/engine/overworld/ssanne.asm
@@ -65,7 +65,7 @@ PointerTable_79fb0: ; 79fb0 (1e:5fb0)
 	dw Func_79337
 
 LoadSmokeTileFourTimes: ; 79fc0 (1e:5fc0)
-	ld hl, $8fc0
+	ld hl, vChars1 + $7c0
 	ld c, $4
 .loop
 	push bc
diff --git a/engine/palettes.asm b/engine/palettes.asm
index b1692415..0a2db277 100755
--- a/engine/palettes.asm
+++ b/engine/palettes.asm
@@ -503,7 +503,7 @@ Func_7210b: ; 7210b (1c:610b)
 	call DisableLCD
 	ld a, $e4
 	ld [rBGP], a ; $ff47
-	ld de, $8800
+	ld de, vChars1
 	ld a, [wcf2d]
 	and a
 	jr z, .asm_72122
@@ -513,7 +513,7 @@ Func_7210b: ; 7210b (1c:610b)
 	ld bc, $1000
 	call CopyData
 .asm_72128
-	ld hl, $9800
+	ld hl, vBGMap0
 	ld de, $c
 	ld a, $80
 	ld c, $d
diff --git a/engine/slot_machine.asm b/engine/slot_machine.asm
index ec94dd28..68a15a18 100755
--- a/engine/slot_machine.asm
+++ b/engine/slot_machine.asm
@@ -824,18 +824,18 @@ SlotMachine_37882: ; 37882 (d:7882)
 LoadSlotMachineTiles: ; 378a8 (d:78a8)
 	call DisableLCD
 	ld hl, SlotMachineTiles2
-	ld de, $8000
-	ld bc, $01c0
+	ld de, vChars0
+	ld bc, $1c0
 	ld a, BANK(SlotMachineTiles2)
 	call FarCopyData2
 	ld hl, SlotMachineTiles1
-	ld de, $9000
-	ld bc, $0250
+	ld de, vChars2
+	ld bc, $250
 	ld a, BANK(SlotMachineTiles1)
 	call FarCopyData2
 	ld hl, SlotMachineTiles2
-	ld de, $9250
-	ld bc, $01c0
+	ld de, vChars2 + $250
+	ld bc, $1c0
 	ld a, BANK(SlotMachineTiles2)
 	call FarCopyData2
 	ld hl, SlotMachineMap
diff --git a/engine/titlescreen.asm b/engine/titlescreen.asm
index 2d9b27a8..10081d63 100755
--- a/engine/titlescreen.asm
+++ b/engine/titlescreen.asm
@@ -36,33 +36,33 @@ LoadTitlescreenGraphics: ; 42dd (1:42dd)
 	call DisableLCD
 	call LoadFontTilePatterns
 	ld hl, NintendoCopyrightLogoGraphics ; $60c8
-	ld de, $9410
+	ld de, vTitleLogo2 + $100
 	ld bc, $50
 	ld a, BANK(NintendoCopyrightLogoGraphics)
 	call FarCopyData2
 	ld hl, GamefreakLogoGraphics ; $61f8
-	ld de, $9460
+	ld de, vTitleLogo2 + $100 + $50
 	ld bc, $90
 	ld a, BANK(GamefreakLogoGraphics)
 	call FarCopyData2
 	ld hl, PokemonLogoGraphics ; $5380
-	ld de, $8800
+	ld de, vTitleLogo
 	ld bc, $600
 	ld a, BANK(PokemonLogoGraphics)
 	call FarCopyData2          ; first chunk
 	ld hl, PokemonLogoGraphics+$600 ; $5980
-	ld de, $9310
+	ld de, vTitleLogo2
 	ld bc, $100
 	ld a, BANK(PokemonLogoGraphics)
 	call FarCopyData2          ; second chunk
 	ld hl, Version_GFX ; $402f
 IF _RED
-	ld de,$9600 ; where to put redgreenversion.2bpp in the VRAM
-	ld bc,$50 ; how big that file is
+	ld de,vChars2 + $600
+	ld bc,$50
 ENDC
 IF _BLUE
-	ld de,$9610 ; where to put blueversion.2bpp in the VRAM
-	ld bc,$40 ; how big that file is
+	ld de,vChars2 + $600 + $10
+	ld bc,$50 - $10
 ENDC
 
 	ld a, BANK(Version_GFX)
@@ -302,7 +302,7 @@ Func_44cf: ; 44cf (1:44cf)
 
 Func_44dd: ; 44dd (1:44dd)
 	ld hl, PlayerCharacterTitleGraphics ; $66a8
-	ld de, $8000
+	ld de, vSprites
 	ld bc, $230
 	ld a, BANK(PlayerCharacterTitleGraphics)
 	call FarCopyData2
@@ -338,7 +338,7 @@ Func_44dd: ; 44dd (1:44dd)
 	ret
 
 Func_4519: ; 4519 (1:4519)
-	ld hl, $9800
+	ld hl, vBGMap0
 	ld bc, $800
 	ld a, $7f
 	jp FillMemory
@@ -363,7 +363,7 @@ LoadCopyrightAndTextBoxTiles: ; 4538 (1:4538)
 
 LoadCopyrightTiles: ; 4541 (1:4541)
 	ld de, NintendoCopyrightLogoGraphics ; $60c8
-	ld hl, $9600
+	ld hl, vChars2 + $600
 	ld bc, (BANK(NintendoCopyrightLogoGraphics) << 8) + $1c
 	call CopyVideoData
 	FuncCoord 2, 7
diff --git a/engine/town_map.asm b/engine/town_map.asm
index 3be90604..ea2d3171 100755
--- a/engine/town_map.asm
+++ b/engine/town_map.asm
@@ -19,7 +19,7 @@ DisplayTownMap: ; 70e3e (1c:4e3e)
 	ld de, wTileMapBackup
 	ld bc, $10
 	call CopyData
-	ld hl, $8040
+	ld hl, vSprites + $40
 	ld de, TownMapCursor ; $4f40
 	ld bc, (BANK(TownMapCursor) << 8) + $04
 	call CopyVideoDataDouble
@@ -143,11 +143,11 @@ LoadTownMap_Fly: ; 70f90 (1c:4f90)
 	call LoadPlayerSpriteGraphics
 	call LoadFontTilePatterns
 	ld de, BirdSprite ; $4d80
-	ld hl, $8040
+	ld hl, vSprites + $40
 	ld bc, (BANK(BirdSprite) << 8) + $0c
 	call CopyVideoData
 	ld de, TownMapUpArrow ; $5093
-	ld hl, $8ed0
+	ld hl, vChars1 + $6d0
 	ld bc, (BANK(TownMapUpArrow) << 8) + $01
 	call CopyVideoDataDouble
 	call Func_71070
@@ -294,12 +294,12 @@ LoadTownMap: ; 7109b (1c:509b)
 	call TextBoxBorder
 	call DisableLCD
 	ld hl, WorldMapTileGraphics ; $65a8
-	ld de, $9600
+	ld de, vChars2 + $600
 	ld bc, $100
 	ld a, BANK(WorldMapTileGraphics)
 	call FarCopyData2
 	ld hl, MonNestIcon ; $56be
-	ld de, $8040
+	ld de, vSprites + $40
 	ld bc, $8
 	ld a, BANK(MonNestIcon)
 	call FarCopyDataDouble
diff --git a/engine/trade.asm b/engine/trade.asm
index 86cf2bca..41f50bde 100755
--- a/engine/trade.asm
+++ b/engine/trade.asm
@@ -104,16 +104,16 @@ LoadTradingGFXAndMonNames: ; 411a1 (10:51a1)
 	call Func_41196
 	call DisableLCD
 	ld hl, TradingAnimationGraphics ; $69be
-	ld de, $9310
+	ld de, vChars2 + $310
 	ld bc, $310
 	ld a, BANK(TradingAnimationGraphics)
 	call FarCopyData2
 	ld hl, TradingAnimationGraphics2 ; $6cce
-	ld de, $87c0
+	ld de, vSprites + $7c0
 	ld bc, $40
 	ld a, BANK(TradingAnimationGraphics2)
 	call FarCopyData2
-	ld hl, $9800
+	ld hl, vBGMap0
 	ld bc, $800
 	ld a, $7f
 	call FillMemory
@@ -220,7 +220,7 @@ Func_41298: ; 41298 (10:5298)
 	call CopyScreenTileBufferToVRAM
 	ld b, $8
 	call GoPAL_SET
-	ld hl, $9c8c
+	ld hl, vBGMap1 + $8c
 	call Func_414ae
 	ld a, $a0
 	ld [$ffae], a
@@ -340,7 +340,7 @@ Func_41376: ; 41376 (10:5376)
 	call Func_4142d
 	call Func_41186
 	call Func_4149f
-	ld hl, $9c8c
+	ld hl, vBGMap1 + $8c
 	call Func_414ae
 	ld b, $6
 	call Func_414c5
@@ -371,7 +371,7 @@ Func_413c6: ; 413c6 (10:53c6)
 	call Func_4145c
 	call Func_41186
 	call Func_4149f
-	ld hl, $9c94
+	ld hl, vBGMap1 + $94
 	call Func_414ae
 	call Func_41525
 	ld b, $6
@@ -492,7 +492,7 @@ Func_414ae: ; 414ae (10:54ae)
 	call ScheduleRowRedrawHelper
 	pop hl
 	ld a, h
-	ld [$ffd2], a
+	ld [H_SCREENEDGEREDRAWADDR + 1], a
 	ld a, l
 	ld [H_SCREENEDGEREDRAWADDR], a ; $ffd1
 	ld a, $2
diff --git a/gfx/badges.w16.png b/gfx/badges.png
similarity index 100%
rename from gfx/badges.w16.png
rename to gfx/badges.png
diff --git a/gfx/blue/blueversion.h8.png b/gfx/blue/blueversion.png
similarity index 100%
rename from gfx/blue/blueversion.h8.png
rename to gfx/blue/blueversion.png
diff --git a/gfx/blue/sgbborder.w128.png b/gfx/blue/sgbborder.png
similarity index 100%
rename from gfx/blue/sgbborder.w128.png
rename to gfx/blue/sgbborder.png
diff --git a/gfx/copyright.h8.png b/gfx/copyright.png
similarity index 100%
rename from gfx/copyright.h8.png
rename to gfx/copyright.png
diff --git a/gfx/emotion_bubbles.w16.png b/gfx/emotion_bubbles.png
similarity index 100%
rename from gfx/emotion_bubbles.w16.png
rename to gfx/emotion_bubbles.png
diff --git a/gfx/font.w128.png b/gfx/font.png
similarity index 100%
rename from gfx/font.w128.png
rename to gfx/font.png
diff --git a/gfx/gamefreak.h8.png b/gfx/gamefreak.png
similarity index 100%
rename from gfx/gamefreak.h8.png
rename to gfx/gamefreak.png
diff --git a/gfx/gamefreak_intro.h8.png b/gfx/gamefreak_intro.png
similarity index 100%
rename from gfx/gamefreak_intro.h8.png
rename to gfx/gamefreak_intro.png
diff --git a/gfx/hp_bar_and_status.w80.png b/gfx/hp_bar_and_status.w80.png
deleted file mode 100644
index 79830885..00000000
Binary files a/gfx/hp_bar_and_status.w80.png and /dev/null differ
diff --git a/gfx/pokemon_logo.w128.png b/gfx/pokemon_logo.png
similarity index 100%
rename from gfx/pokemon_logo.w128.png
rename to gfx/pokemon_logo.png
diff --git a/gfx/red/redgreenversion.h8.png b/gfx/red/redgreenversion.png
similarity index 100%
rename from gfx/red/redgreenversion.h8.png
rename to gfx/red/redgreenversion.png
diff --git a/gfx/red/sgbborder.w128.png b/gfx/red/sgbborder.png
similarity index 100%
rename from gfx/red/sgbborder.w128.png
rename to gfx/red/sgbborder.png
diff --git a/gfx/theend.w40.interleave.png b/gfx/theend.interleave.png
similarity index 100%
rename from gfx/theend.w40.interleave.png
rename to gfx/theend.interleave.png
diff --git a/gfx/tilesets/cavern.w128.t14.png b/gfx/tilesets/cavern.t14.png
similarity index 100%
rename from gfx/tilesets/cavern.w128.t14.png
rename to gfx/tilesets/cavern.t14.png
diff --git a/gfx/tilesets/cemetery.w128.t4.png b/gfx/tilesets/cemetery.t4.png
similarity index 100%
rename from gfx/tilesets/cemetery.w128.t4.png
rename to gfx/tilesets/cemetery.t4.png
diff --git a/gfx/tilesets/club.w128.t5.png b/gfx/tilesets/club.t5.png
similarity index 100%
rename from gfx/tilesets/club.w128.t5.png
rename to gfx/tilesets/club.t5.png
diff --git a/gfx/tilesets/facility.w128.png b/gfx/tilesets/facility.png
similarity index 100%
rename from gfx/tilesets/facility.w128.png
rename to gfx/tilesets/facility.png
diff --git a/gfx/tilesets/forest.w128.png b/gfx/tilesets/forest.png
similarity index 100%
rename from gfx/tilesets/forest.w128.png
rename to gfx/tilesets/forest.png
diff --git a/gfx/tilesets/gate.w128.t1.png b/gfx/tilesets/gate.t1.png
similarity index 100%
rename from gfx/tilesets/gate.w128.t1.png
rename to gfx/tilesets/gate.t1.png
diff --git a/gfx/tilesets/gym.w128.png b/gfx/tilesets/gym.png
similarity index 100%
rename from gfx/tilesets/gym.w128.png
rename to gfx/tilesets/gym.png
diff --git a/gfx/tilesets/house.w128.t2.png b/gfx/tilesets/house.t2.png
similarity index 100%
rename from gfx/tilesets/house.w128.t2.png
rename to gfx/tilesets/house.t2.png
diff --git a/gfx/tilesets/interior.w128.t1.png b/gfx/tilesets/interior.t1.png
similarity index 100%
rename from gfx/tilesets/interior.w128.t1.png
rename to gfx/tilesets/interior.t1.png
diff --git a/gfx/tilesets/lab.w128.t4.png b/gfx/tilesets/lab.t4.png
similarity index 100%
rename from gfx/tilesets/lab.w128.t4.png
rename to gfx/tilesets/lab.t4.png
diff --git a/gfx/tilesets/lobby.w128.t2.png b/gfx/tilesets/lobby.t2.png
similarity index 100%
rename from gfx/tilesets/lobby.w128.t2.png
rename to gfx/tilesets/lobby.t2.png
diff --git a/gfx/tilesets/mansion.w128.t2.png b/gfx/tilesets/mansion.t2.png
similarity index 100%
rename from gfx/tilesets/mansion.w128.t2.png
rename to gfx/tilesets/mansion.t2.png
diff --git a/gfx/tilesets/overworld.w128.t2.png b/gfx/tilesets/overworld.t2.png
similarity index 100%
rename from gfx/tilesets/overworld.w128.t2.png
rename to gfx/tilesets/overworld.t2.png
diff --git a/gfx/tilesets/plateau.w128.t10.png b/gfx/tilesets/plateau.t10.png
similarity index 100%
rename from gfx/tilesets/plateau.w128.t10.png
rename to gfx/tilesets/plateau.t10.png
diff --git a/gfx/tilesets/pokecenter.w128.png b/gfx/tilesets/pokecenter.png
similarity index 100%
rename from gfx/tilesets/pokecenter.w128.png
rename to gfx/tilesets/pokecenter.png
diff --git a/gfx/tilesets/reds_house.w128.t7.png b/gfx/tilesets/reds_house.t7.png
similarity index 100%
rename from gfx/tilesets/reds_house.w128.t7.png
rename to gfx/tilesets/reds_house.t7.png
diff --git a/gfx/tilesets/ship.w128.t6.png b/gfx/tilesets/ship.t6.png
similarity index 100%
rename from gfx/tilesets/ship.w128.t6.png
rename to gfx/tilesets/ship.t6.png
diff --git a/gfx/tilesets/ship_port.w128.t2.png b/gfx/tilesets/ship_port.t2.png
similarity index 100%
rename from gfx/tilesets/ship_port.w128.t2.png
rename to gfx/tilesets/ship_port.t2.png
diff --git a/gfx/tilesets/underground.w128.t7.png b/gfx/tilesets/underground.t7.png
similarity index 100%
rename from gfx/tilesets/underground.w128.t7.png
rename to gfx/tilesets/underground.t7.png
diff --git a/home.asm b/home.asm
index e09ec535..b13714fe 100644
--- a/home.asm
+++ b/home.asm
@@ -1032,8 +1032,8 @@ LoadTilesetTilePatternData:: ; 09e8 (0:09e8)
 	ld l,a
 	ld a,[W_TILESETGFXPTR + 1]
 	ld h,a
-	ld de,$9000
-	ld bc,$0600
+	ld de,vTileset
+	ld bc,$600
 	ld a,[W_TILESETBANK]
 	jp FarCopyData2
 
@@ -2165,17 +2165,17 @@ RunMapScript:: ; 101b (0:101b)
 
 LoadWalkingPlayerSpriteGraphics:: ; 104d (0:104d)
 	ld de,RedSprite ; $4180
-	ld hl,$8000
+	ld hl,vNPCSprites
 	jr LoadPlayerSpriteGraphicsCommon
 
 LoadSurfingPlayerSpriteGraphics:: ; 1055 (0:1055)
 	ld de,SeelSprite
-	ld hl,$8000
+	ld hl,vNPCSprites
 	jr LoadPlayerSpriteGraphicsCommon
 
 LoadBikePlayerSpriteGraphics:: ; 105d (0:105d)
 	ld de,RedCyclingSprite
-	ld hl,$8000
+	ld hl,vNPCSprites
 
 LoadPlayerSpriteGraphicsCommon:: ; 1063 (0:1063)
 	push de
@@ -2508,17 +2508,17 @@ LoadMapData:: ; 1241 (0:1241)
 	call LoadCurrentMapView
 ; copy current map view to VRAM
 	ld hl,wTileMap
-	ld de,$9800
-	ld b,$12
+	ld de,vBGMap0
+	ld b,18
 .vramCopyLoop
-	ld c,$14
+	ld c,20
 .vramCopyInnerLoop
 	ld a,[hli]
 	ld [de],a
 	inc e
 	dec c
 	jr nz,.vramCopyInnerLoop
-	ld a,$0c
+	ld a,32 - 20
 	add e
 	ld e,a
 	jr nc,.noCarry
@@ -2749,7 +2749,7 @@ LoadFrontSpriteByMonIndex:: ; 1389 (0:1389)
 	ret
 .validDexNumber
 	push hl
-	ld de, $9000
+	ld de, vFrontPic
 	call LoadMonFrontSprite
 	pop hl
 	ld a, [H_LOADEDROMBANK]
@@ -4795,7 +4795,7 @@ UpdateMovingBgTiles::
 	cp 21
 	jr z, .flower
 
-	ld hl, $9140
+	ld hl, vTileset + $14 * $10
 	ld c, $10
 
 	ld a, [wd085]
@@ -4839,7 +4839,7 @@ UpdateMovingBgTiles::
 	jr z, .copy
 	ld hl, FlowerTile3
 .copy
-	ld de, $9030
+	ld de, vTileset + $3 * $10
 	ld c, $10
 .loop
 	ld a, [hli]
@@ -4938,9 +4938,9 @@ rLCDC_DEFAULT EQU %11100011
 	ld a, $ff
 	ld [$ffaa], a
 
-	ld h, $9800 / $100 ; bg map 0
+	ld h, vBGMap0 / $100
 	call ClearBgMap
-	ld h, $9c00 / $100 ; bg map 1
+	ld h, vBGMap1 / $100
 	call ClearBgMap
 
 	ld a, rLCDC_DEFAULT
@@ -8471,13 +8471,13 @@ LoadFontTilePatterns:: ; 3680 (0:3680)
 	jr nz,.lcdEnabled
 .lcdDisabled
 	ld hl,FontGraphics
-	ld de,$8800
+	ld de,vFont
 	ld bc,$400
 	ld a,BANK(FontGraphics)
 	jp FarCopyDataDouble ; if LCD is off, transfer all at once
 .lcdEnabled
 	ld de,FontGraphics
-	ld hl,$8800
+	ld hl,vFont
 	ld bc,(BANK(FontGraphics) << 8 | $80)
 	jp CopyVideoDataDouble ; if LCD is on, transfer during V-blank
 
@@ -8488,13 +8488,13 @@ LoadTextBoxTilePatterns:: ; 36a0 (0:36a0)
 	jr nz,.lcdEnabled
 .lcdDisabled
 	ld hl,TextBoxGraphics
-	ld de,$9600
-	ld bc,$0200
+	ld de,vChars2 + $600
+	ld bc,$200
 	ld a,BANK(TextBoxGraphics)
 	jp FarCopyData2 ; if LCD is off, transfer all at once
 .lcdEnabled
 	ld de,TextBoxGraphics
-	ld hl,$9600
+	ld hl,vChars2 + $600
 	ld bc,(BANK(TextBoxGraphics) << 8 | $20)
 	jp CopyVideoData ; if LCD is on, transfer during V-blank
 
@@ -8505,13 +8505,13 @@ LoadHpBarAndStatusTilePatterns:: ; 36c0 (0:36c0)
 	jr nz,.lcdEnabled
 .lcdDisabled
 	ld hl,HpBarAndStatusGraphics
-	ld de,$9620
-	ld bc,$01e0
+	ld de,vChars2 + $620
+	ld bc,$1e0
 	ld a,BANK(HpBarAndStatusGraphics)
 	jp FarCopyData2 ; if LCD is off, transfer all at once
 .lcdEnabled
 	ld de,HpBarAndStatusGraphics
-	ld hl,$9620
+	ld hl,vChars2 + $620
 	ld bc,(BANK(HpBarAndStatusGraphics) << 8 | $1e)
 	jp CopyVideoData ; if LCD is on, transfer during V-blank
 
diff --git a/main.asm b/main.asm
index db19a022..4ba797f2 100755
--- a/main.asm
+++ b/main.asm
@@ -500,7 +500,7 @@ INCLUDE "engine/cable_club.asm"
 
 LoadTrainerInfoTextBoxTiles: ; 5ae6 (1:5ae6)
 	ld de, TrainerInfoTextBoxTileGraphics ; $7b98
-	ld hl, $9760
+	ld hl, vChars2 + $760
 	ld bc, (BANK(TrainerInfoTextBoxTileGraphics) << 8) +$09
 	jp CopyVideoData
 
@@ -3044,7 +3044,7 @@ DrawBadges: ; ea03 (3:6a03)
 	db $20, $28, $30, $38, $40, $48, $50, $58
 
 GymLeaderFaceAndBadgeTileGraphics: ; ea9e (3:6a9e)
-	INCBIN "gfx/badges.w16.2bpp"
+	INCBIN "gfx/badges.2bpp"
 
 Func_ee9e: ; ee9e (3:6e9e)
 	call GetPredefRegisters
@@ -4687,15 +4687,15 @@ SnorlaxSprite:         INCBIN "gfx/sprites/snorlax.2bpp"
 OldAmberSprite:        INCBIN "gfx/sprites/old_amber.2bpp"
 LyingOldManSprite:     INCBIN "gfx/sprites/lying_old_man.2bpp"
 
-PokemonLogoGraphics:            INCBIN "gfx/pokemon_logo.w128.2bpp"
-FontGraphics:                   INCBIN "gfx/font.w128.1bpp"
+PokemonLogoGraphics:            INCBIN "gfx/pokemon_logo.2bpp"
+FontGraphics:                   INCBIN "gfx/font.1bpp"
 ABTiles:                        INCBIN "gfx/AB.2bpp"
 HpBarAndStatusGraphics:         INCBIN "gfx/hp_bar_and_status.2bpp"
 BattleHudTiles1:                INCBIN "gfx/battle_hud1.1bpp"
 BattleHudTiles2:                INCBIN "gfx/battle_hud2.1bpp"
 BattleHudTiles3:                INCBIN "gfx/battle_hud3.1bpp"
-NintendoCopyrightLogoGraphics:  INCBIN "gfx/copyright.h8.2bpp"
-GamefreakLogoGraphics:          INCBIN "gfx/gamefreak.h8.2bpp"
+NintendoCopyrightLogoGraphics:  INCBIN "gfx/copyright.2bpp"
+GamefreakLogoGraphics:          INCBIN "gfx/gamefreak.2bpp"
 TextBoxGraphics:                INCBIN "gfx/text_box.2bpp"
 PokedexTileGraphics:            INCBIN "gfx/pokedex.2bpp"
 WorldMapTileGraphics:           INCBIN "gfx/town_map.2bpp"
@@ -6343,23 +6343,23 @@ INCLUDE "engine/hidden_object_functions18.asm"
 
 SECTION "bank19",ROMX,BANK[$19]
 
-Overworld_GFX:     INCBIN "gfx/tilesets/overworld.w128.t2.2bpp"
+Overworld_GFX:     INCBIN "gfx/tilesets/overworld.t2.2bpp"
 Overworld_Block:   INCBIN "gfx/blocksets/overworld.bst"
 
 RedsHouse1_GFX:
-RedsHouse2_GFX:    INCBIN "gfx/tilesets/reds_house.w128.t7.2bpp"
+RedsHouse2_GFX:    INCBIN "gfx/tilesets/reds_house.t7.2bpp"
 RedsHouse1_Block:
 RedsHouse2_Block:  INCBIN "gfx/blocksets/reds_house.bst"
 
-House_GFX:         INCBIN "gfx/tilesets/house.w128.t2.2bpp"
+House_GFX:         INCBIN "gfx/tilesets/house.t2.2bpp"
 House_Block:       INCBIN "gfx/blocksets/house.bst"
-Mansion_GFX:       INCBIN "gfx/tilesets/mansion.w128.t2.2bpp"
+Mansion_GFX:       INCBIN "gfx/tilesets/mansion.t2.2bpp"
 Mansion_Block:     INCBIN "gfx/blocksets/mansion.bst"
-ShipPort_GFX:      INCBIN "gfx/tilesets/ship_port.w128.t2.2bpp"
+ShipPort_GFX:      INCBIN "gfx/tilesets/ship_port.t2.2bpp"
 ShipPort_Block:    INCBIN "gfx/blocksets/ship_port.bst"
-Interior_GFX:      INCBIN "gfx/tilesets/interior.w128.t1.2bpp"
+Interior_GFX:      INCBIN "gfx/tilesets/interior.t1.2bpp"
 Interior_Block:    INCBIN "gfx/blocksets/interior.bst"
-Plateau_GFX:       INCBIN "gfx/tilesets/plateau.w128.t10.2bpp"
+Plateau_GFX:       INCBIN "gfx/tilesets/plateau.t10.2bpp"
 Plateau_Block:     INCBIN "gfx/blocksets/plateau.bst"
 
 
@@ -6369,50 +6369,50 @@ INCLUDE "engine/battle/1a.asm"
 
 Version_GFX:
 IF _RED
-	INCBIN "gfx/red/redgreenversion.h8.1bpp" ; 10 tiles
+	INCBIN "gfx/red/redgreenversion.1bpp" ; 10 tiles
 ENDC
 IF _BLUE
-	INCBIN "gfx/blue/blueversion.h8.1bpp" ; 8 tiles
+	INCBIN "gfx/blue/blueversion.1bpp" ; 8 tiles
 ENDC
 
 Dojo_GFX:
-Gym_GFX:           INCBIN "gfx/tilesets/gym.w128.2bpp"
+Gym_GFX:           INCBIN "gfx/tilesets/gym.2bpp"
 Dojo_Block:
 Gym_Block:         INCBIN "gfx/blocksets/gym.bst"
 
 Mart_GFX:
-Pokecenter_GFX:    INCBIN "gfx/tilesets/pokecenter.w128.2bpp"
+Pokecenter_GFX:    INCBIN "gfx/tilesets/pokecenter.2bpp"
 Mart_Block:
 Pokecenter_Block:  INCBIN "gfx/blocksets/pokecenter.bst"
 
 ForestGate_GFX:
 Museum_GFX:
-Gate_GFX:          INCBIN "gfx/tilesets/gate.w128.t1.2bpp"
+Gate_GFX:          INCBIN "gfx/tilesets/gate.t1.2bpp"
 ForestGate_Block:
 Museum_Block:
 Gate_Block:        INCBIN "gfx/blocksets/gate.bst"
 
-Forest_GFX:        INCBIN "gfx/tilesets/forest.w128.2bpp"
+Forest_GFX:        INCBIN "gfx/tilesets/forest.2bpp"
 Forest_Block:      INCBIN "gfx/blocksets/forest.bst"
-Facility_GFX:      INCBIN "gfx/tilesets/facility.w128.2bpp"
+Facility_GFX:      INCBIN "gfx/tilesets/facility.2bpp"
 Facility_Block:    INCBIN "gfx/blocksets/facility.bst"
 
 
 SECTION "bank1B",ROMX,BANK[$1B]
 
-Cemetery_GFX:      INCBIN "gfx/tilesets/cemetery.w128.t4.2bpp"
+Cemetery_GFX:      INCBIN "gfx/tilesets/cemetery.t4.2bpp"
 Cemetery_Block:    INCBIN "gfx/blocksets/cemetery.bst"
-Cavern_GFX:        INCBIN "gfx/tilesets/cavern.w128.t14.2bpp"
+Cavern_GFX:        INCBIN "gfx/tilesets/cavern.t14.2bpp"
 Cavern_Block:      INCBIN "gfx/blocksets/cavern.bst"
-Lobby_GFX:         INCBIN "gfx/tilesets/lobby.w128.t2.2bpp"
+Lobby_GFX:         INCBIN "gfx/tilesets/lobby.t2.2bpp"
 Lobby_Block:       INCBIN "gfx/blocksets/lobby.bst"
-Ship_GFX:          INCBIN "gfx/tilesets/ship.w128.t6.2bpp"
+Ship_GFX:          INCBIN "gfx/tilesets/ship.t6.2bpp"
 Ship_Block:        INCBIN "gfx/blocksets/ship.bst"
-Lab_GFX:           INCBIN "gfx/tilesets/lab.w128.t4.2bpp"
+Lab_GFX:           INCBIN "gfx/tilesets/lab.t4.2bpp"
 Lab_Block:         INCBIN "gfx/blocksets/lab.bst"
-Club_GFX:          INCBIN "gfx/tilesets/club.w128.t5.2bpp"
+Club_GFX:          INCBIN "gfx/tilesets/club.t5.2bpp"
 Club_Block:        INCBIN "gfx/blocksets/club.bst"
-Underground_GFX:   INCBIN "gfx/tilesets/underground.w128.t7.2bpp"
+Underground_GFX:   INCBIN "gfx/tilesets/underground.t7.2bpp"
 Underground_Block: INCBIN "gfx/blocksets/underground.bst"
 
 
diff --git a/audio_red.asm b/red/audio.asm
similarity index 100%
rename from audio_red.asm
rename to red/audio.asm
diff --git a/pokered.asm b/red/main.asm
similarity index 100%
rename from pokered.asm
rename to red/main.asm
diff --git a/red/text.asm b/red/text.asm
new file mode 100644
index 00000000..d5d571d7
--- /dev/null
+++ b/red/text.asm
@@ -0,0 +1,2 @@
+INCLUDE "red.asm"
+INCLUDE "text.asm"
diff --git a/red/wram.asm b/red/wram.asm
new file mode 100644
index 00000000..68c3c803
--- /dev/null
+++ b/red/wram.asm
@@ -0,0 +1,2 @@
+INCLUDE "red.asm"
+INCLUDE "wram.asm"
diff --git a/scripts/rockethideout2.asm b/scripts/rockethideout2.asm
index a476f060..aa8d31a4 100755
--- a/scripts/rockethideout2.asm
+++ b/scripts/rockethideout2.asm
@@ -329,9 +329,9 @@ LoadSpinnerArrowTiles: ; 44fd7 (11:4fd7)
 	ld [wSpriteStateData1 + 2], a
 	ld a, [W_CURMAPTILESET] ; W_CURMAPTILESET
 	cp FACILITY
-	ld hl, SpinnerArrowTilePointers1 ; $5023
+	ld hl, FacilitySpinnerArrows ; $5023
 	jr z, .asm_44ff6
-	ld hl, SpinnerArrowTilePointers2 ; $5053
+	ld hl, GymSpinnerArrows ; $5053
 .asm_44ff6
 	ld a, [wcd38]
 	bit 0, a
@@ -368,87 +368,41 @@ LoadSpinnerArrowTiles: ; 44fd7 (11:4fd7)
 	jr nz, .asm_45006
 	ret
 
-SpinnerArrowTilePointers1: ; 45023 (11:5023)
-	dw SpinnerArrowAnimTiles       ;address from within tileset graphics
-	db 1                           ;number of tiles to copy?
-	db BANK(SpinnerArrowAnimTiles) ;bank of tileset graphics
-	dw $9200                       ;where to load in VRAM
+spinner: MACRO
+; \1: source
+; \2: offset (BANK() chokes on literals)
+; \3: length
+; \4: dest
+	dw \1 + \2
+	db \3, BANK(\1)
+	dw \4
+ENDM
 
-	dw SpinnerArrowAnimTiles + $10
-	db 1
-	db BANK(SpinnerArrowAnimTiles)
-	dw $9210
+FacilitySpinnerArrows:
+FACILITY_SPINNER EQU $20 * $10
+vFacilitySpinner EQU vTileset + FACILITY_SPINNER
 
-	dw SpinnerArrowAnimTiles + $20
-	db 1
-	db BANK(SpinnerArrowAnimTiles)
-	dw $9300
+	spinner SpinnerArrowAnimTiles, $00, 1, vFacilitySpinner
+	spinner SpinnerArrowAnimTiles, $10, 1, vFacilitySpinner + $10
+	spinner SpinnerArrowAnimTiles, $20, 1, vFacilitySpinner + $100
+	spinner SpinnerArrowAnimTiles, $30, 1, vFacilitySpinner + $110
+	spinner Facility_GFX, FACILITY_SPINNER + $000, 1, vFacilitySpinner
+	spinner Facility_GFX, FACILITY_SPINNER + $010, 1, vFacilitySpinner + $10
+	spinner Facility_GFX, FACILITY_SPINNER + $100, 1, vFacilitySpinner + $100
+	spinner Facility_GFX, FACILITY_SPINNER + $110, 1, vFacilitySpinner + $110
 
-	dw SpinnerArrowAnimTiles + $30
-	db 1
-	db BANK(SpinnerArrowAnimTiles)
-	dw $9310
+GymSpinnerArrows:
+GYM_SPINNER EQU $3c * $10
+vGymSpinner EQU vTileset + GYM_SPINNER
 
-	dw Facility_GFX + $200
-	db 1
-	db BANK(Facility_GFX)
-	dw $9200
-
-	dw Facility_GFX + $210
-	db 1
-	db BANK(Facility_GFX)
-	dw $9210
-
-	dw Facility_GFX + $300
-	db 1
-	db BANK(Facility_GFX)
-	dw $9300
-
-	dw Facility_GFX + $310
-	db 1
-	db BANK(Facility_GFX)
-	dw $9310
-
-SpinnerArrowTilePointers2: ; 45053 (11:5053)
-	dw SpinnerArrowAnimTiles + $10
-	db 1
-	db BANK(SpinnerArrowAnimTiles)
-	dw $93C0
-
-	dw SpinnerArrowAnimTiles + $30
-	db 1
-	db BANK(SpinnerArrowAnimTiles)
-	dw $93D0
-
-	dw SpinnerArrowAnimTiles
-	db 1
-	db BANK(SpinnerArrowAnimTiles)
-	dw $94C0
-
-	dw SpinnerArrowAnimTiles + $20
-	db 1
-	db BANK(SpinnerArrowAnimTiles)
-	dw $94D0
-
-	dw Gym_GFX + $3C0
-	db 1
-	db BANK(Facility_GFX)
-	dw $93C0
-
-	dw Gym_GFX + $3D0
-	db 1
-	db BANK(Facility_GFX)
-	dw $93D0
-
-	dw Gym_GFX + $4C0
-	db 1
-	db BANK(Facility_GFX)
-	dw $94C0
-
-	dw Gym_GFX + $4D0
-	db 1
-	db BANK(Facility_GFX)
-	dw $94D0
+	spinner SpinnerArrowAnimTiles, $10, 1, vGymSpinner
+	spinner SpinnerArrowAnimTiles, $30, 1, vGymSpinner + $10
+	spinner SpinnerArrowAnimTiles, $00, 1, vGymSpinner + $100
+	spinner SpinnerArrowAnimTiles, $20, 1, vGymSpinner + $110
+	spinner Gym_GFX, GYM_SPINNER + $000, 1, vGymSpinner
+	spinner Gym_GFX, GYM_SPINNER + $010, 1, vGymSpinner + $10
+	spinner Gym_GFX, GYM_SPINNER + $100, 1, vGymSpinner + $100
+	spinner Gym_GFX, GYM_SPINNER + $110, 1, vGymSpinner + $110
 
 SpinnerPlayerFacingDirections: ; 45083 (11:5083)
 ; This isn't the order of the facing directions.  Rather, it's a list of
diff --git a/scripts/vermiliondock.asm b/scripts/vermiliondock.asm
index b094878c..215bf467 100755
--- a/scripts/vermiliondock.asm
+++ b/scripts/vermiliondock.asm
@@ -184,7 +184,7 @@ VermilionDock_1dc94: ; 1dc94 (7:5c94)
 	ld bc, $00b4
 	ld a, $14
 	call FillMemory
-	ld hl, $9940
+	ld hl, vBGMap0 + 10 * 32
 	ld de, wcc5b
 	ld bc, $000c
 	call CopyVideoData
diff --git a/vram.asm b/vram.asm
new file mode 100644
index 00000000..05f3199e
--- /dev/null
+++ b/vram.asm
@@ -0,0 +1,21 @@
+vChars0 EQU $8000
+vChars1 EQU $8800
+vChars2 EQU $9000
+vBGMap0 EQU $9800
+vBGMap1 EQU $9c00
+
+; Battle/Menu
+vSprites  EQU vChars0
+vFont     EQU vChars1
+vFrontPic EQU vChars2
+vBackPic  EQU vFrontPic + 7 * 7 * $10
+
+; Overworld
+vNPCSprites  EQU vChars0
+vNPCSprites2 EQU vChars1
+vTileset     EQU vChars2
+
+; Title
+vTitleLogo  EQU vChars1
+vTitleLogo2 EQU vFrontPic + 7 * 7 * $10
+
diff --git a/yellow.asm b/yellow.asm
new file mode 100644
index 00000000..2dedf586
--- /dev/null
+++ b/yellow.asm
@@ -0,0 +1 @@
+_YELLOW EQU 1
diff --git a/yellow/audio.asm b/yellow/audio.asm
new file mode 100644
index 00000000..e94c7db5
--- /dev/null
+++ b/yellow/audio.asm
@@ -0,0 +1,2 @@
+INCLUDE "yellow.asm"
+INCLUDE "audio.asm"
diff --git a/yellow/main.asm b/yellow/main.asm
new file mode 100644
index 00000000..36c88720
--- /dev/null
+++ b/yellow/main.asm
@@ -0,0 +1,2 @@
+INCLUDE "yellow.asm"
+INCLUDE "main.asm"
diff --git a/yellow/text.asm b/yellow/text.asm
new file mode 100644
index 00000000..a84a633d
--- /dev/null
+++ b/yellow/text.asm
@@ -0,0 +1,2 @@
+INCLUDE "yellow.asm"
+INCLUDE "text.asm"
diff --git a/yellow/wram.asm b/yellow/wram.asm
new file mode 100644
index 00000000..c0b7f781
--- /dev/null
+++ b/yellow/wram.asm
@@ -0,0 +1,2 @@
+INCLUDE "yellow.asm"
+INCLUDE "wram.asm"