From a14fbdbaba3348c4952d4689d0ae342860b520bb Mon Sep 17 00:00:00 2001
From: Marcus Huderle <huderlem@gmail.com>
Date: Fri, 30 Jun 2017 15:55:42 -0700
Subject: Move draw sprites routines to engine/main/draw_sprites/

---
 .../main/draw_sprites/draw_blue_field_sprites.asm  | 401 +++++++++++
 .../draw_sprites/draw_diglett_bonus_sprites.asm    |  28 +
 .../draw_sprites/draw_gengar_bonus_sprites.asm     | 363 ++++++++++
 .../draw_sprites/draw_meowth_bonus_sprites.asm     | 305 +++++++++
 .../draw_sprites/draw_mewtwo_bonus_sprites.asm     |  81 +++
 .../main/draw_sprites/draw_red_field_sprites.asm   | 759 +++++++++++++++++++++
 .../main/draw_sprites/draw_seel_bonus_sprites.asm  | 129 ++++
 engine/main/draw_sprites/draw_sprites.asm          |  35 +
 .../draw_sprites/draw_unused_stage_sprites.asm     |   8 +
 9 files changed, 2109 insertions(+)
 create mode 100755 engine/main/draw_sprites/draw_blue_field_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_diglett_bonus_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_gengar_bonus_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_meowth_bonus_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_mewtwo_bonus_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_red_field_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_seel_bonus_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_sprites.asm
 create mode 100755 engine/main/draw_sprites/draw_unused_stage_sprites.asm

(limited to 'engine')

diff --git a/engine/main/draw_sprites/draw_blue_field_sprites.asm b/engine/main/draw_sprites/draw_blue_field_sprites.asm
new file mode 100755
index 0000000..756971a
--- /dev/null
+++ b/engine/main/draw_sprites/draw_blue_field_sprites.asm
@@ -0,0 +1,401 @@
+DrawSpritesBlueFieldTop: ; 0x1f330
+	ld bc, $7f00
+	callba DrawTimer
+	call Func_1f395
+	call Func_1f3e1
+	call Func_1f408
+	call Func_1f428
+	callba DrawPinball
+	call Func_1f48f
+	call Func_1f4f8
+	ret
+
+DrawSpritesBlueFieldBottom: ; 0x1f35a
+	ld bc, $7f00
+	callba DrawTimer
+	callba DrawMonCaptureAnimation
+	call DrawAnimatedMon_BlueStage
+	call DrawPikachuSavers_BlueStage
+	callba DrawFlippers
+	callba DrawPinball
+	call Func_1f4a3
+	call Func_1f509
+	call Func_1f55e
+	ret
+
+Func_1f395: ; 0x1f395
+	ld de, wd4cd
+	ld hl, Data_1f3cf
+	call Func_1f3ad
+	ld de, wd4d0
+	ld hl, Data_1f3d5
+	call Func_1f3ad
+	ld de, wd4d3
+	ld hl, Data_1f3db
+	; fall through
+
+Func_1f3ad: ; 0x1f3ad
+	ld a, [hSCX]
+	ld b, a
+	ld a, [hli]
+	sub b
+	ld b, a
+	ld a, [hSCY]
+	ld c, a
+	ld a, [hli]
+	sub c
+	ld c, a
+	ld a, [wd4d7]
+	sub [hl]
+	inc hl
+	jr z, .asm_1f3c4
+	ld a, $0
+	jr .asm_1f3c6
+
+.asm_1f3c4
+	ld a, $1
+.asm_1f3c6
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+Data_1f3cf:
+	db $48, $2D ; background scroll offsets (x, y)
+	db $01
+	db $E0, $E1, $E0 ; OAM ids
+
+Data_1f3d5:
+	db $33, $3E ; background scroll offsets (x, y)
+	db $00
+	db $E0, $E1, $E0 ; OAM ids
+
+Data_1f3db:
+	db $5D, $3E ; background scroll offsets (x, y)
+	db $02
+	db $E0, $E1, $E0 ; OAM ids
+
+Func_1f3e1: ; 0x1f3e1
+	ld a, $8a
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $53
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd50a]
+	srl a
+	srl a
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_1f402
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+OAMIds_1f402:
+	db $E8, $E9, $EA, $EB, $EC, $ED
+
+Func_1f408: ; 0x1f408
+	ld a, $18
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $5f
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd633]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_1f425
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+OAMIds_1f425:
+	db $E2, $E3, $E4
+
+Func_1f428: ; 0x1f428
+	ld a, $70
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $59
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd638]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_1f445
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+OAMIds_1f445:
+	db $E5, $E6, $E7
+
+DrawPikachuSavers_BlueStage: ; 0x1f448
+	ld a, [hSCX]
+	ld d, a
+	ld a, [hSCY]
+	ld e, a
+	ld a, [wd51d]
+	and a
+	ld a, [wd518]
+	jr z, .asm_1f473
+	ld a, [wd51c]
+	and a
+	jr nz, .asm_1f469
+	ld a, [hNumFramesDropped]
+	srl a
+	srl a
+	srl a
+	and $1
+	jr .asm_1f473
+
+.asm_1f469
+	ld a, [wd4b4]
+	cp $50
+	ld a, $1
+	jr nc, .asm_1f473
+	xor a
+.asm_1f473
+	sla a
+	ld c, a
+	ld b, $0
+	ld hl, PikachuSaverOAMOffsets_BlueStage
+	add hl, bc
+	ld a, [hli]
+	sub d
+	ld b, a
+	ld a, [hli]
+	sub e
+	ld c, a
+	ld a, [wPikachuSaverAnimationFrame]
+	add $e
+	call LoadOAMData
+	ret
+
+PikachuSaverOAMOffsets_BlueStage:
+	dw $7E0F
+	dw $7E92
+
+Func_1f48f: ; 0x1f48f
+	ld a, [wd551]
+	and a
+	ret nz
+	ld a, [hNumFramesDropped]
+	bit 4, a
+	ret z
+	ld de, wIndicatorStates + 5
+	ld hl, OAMDataTable_1f4ce
+	ld b, $6
+	jr asm_1f4b5
+
+Func_1f4a3: ; 0x1f4a3
+	ld a, [wd551]
+	and a
+	ret nz
+	ld a, [hNumFramesDropped]
+	bit 4, a
+	ret z
+	ld de, wIndicatorStates + 11
+	ld hl, OAMDataTable_1f4e0
+	ld b, $8
+asm_1f4b5:
+	push bc
+	ld a, [hSCX]
+	ld b, a
+	ld a, [hli]
+	sub b
+	ld b, a
+	ld a, [hSCY]
+	ld c, a
+	ld a, [hli]
+	sub c
+	ld c, a
+	ld a, [de]
+	and a
+	ld a, [hli]
+	call nz, LoadOAMData
+	pop bc
+	inc de
+	dec b
+	jr nz, asm_1f4b5
+	ret
+
+OAMDataTable_1f4ce: ; 0x1f4ce
+ ; Each entry is:
+ ; [OAM x/y Offsets],[OAM Id]
+	db $0D, $37
+	db $EE
+
+	db $35, $0D
+	db $F1
+
+	db $8E, $4E
+	db $F4
+
+	db $36, $64
+	db $EF
+
+	db $4C, $49
+	db $EE
+
+	db $61, $64
+	db $F0
+
+OAMDataTable_1f4e0: ; 0x1f4e0
+ ; Each entry is 3 bytes:
+ ; [OAM x/y Offsets],[OAM Id]
+	db $2D, $13
+	db $32
+
+	db $6A, $13
+	db $33
+
+	db $25, $2D
+	db $34
+
+	db $73, $2D
+	db $35
+
+	db $38, $14
+	db $36
+
+	db $66, $14
+	db $36
+
+	db $79, $40
+	db $37
+
+	db $89, $40
+	db $37
+
+Func_1f4f8: ; 0x1f4f8
+	ld a, [wd551]
+	and a
+	ret z
+	ld de, wd566
+	ld hl, OAMOffsetsTable_1f53a
+	ld b, $c
+	ld c, $47
+	jr asm_1f518
+
+Func_1f509: ; 0x1f509
+	ld a, [wd551]
+	and a
+	ret z
+	ld de, wd572
+	ld hl, OAMOffsetsTable_1f552
+	ld b, $6
+	ld c, $40
+asm_1f518: ; 0x1f518
+	push bc
+	ld a, [de]
+	add c
+	cp c
+	push af
+	ld a, [hSCX]
+	ld b, a
+	ld a, [hli]
+	sub b
+	ld b, a
+	ld a, [hSCY]
+	ld c, a
+	ld a, [hli]
+	sub c
+	ld c, a
+	ld a, [hNumFramesDropped]
+	and $e
+	jr nz, .asm_1f530
+	dec c
+.asm_1f530
+	pop af
+	call nz, LoadOAMData
+	pop bc
+	inc de
+	dec b
+	jr nz, asm_1f518
+	ret
+
+OAMOffsetsTable_1f53a: ; 0x1f53a
+; OAM data x, y offsets
+	db $4C, $08
+	db $2B, $12
+	db $6D, $12
+	db $15, $25
+	db $82, $25
+	db $0D, $3F
+	db $4C, $7F
+	db $8B, $3F
+	db $0A, $65
+	db $36, $7F
+	db $61, $7F
+	db $8D, $65
+
+OAMOffsetsTable_1f552: ; 0x1f552
+; OAM data x, y offsets
+	db $3B, $12
+	db $5D, $12
+	db $31, $16
+	db $67, $16
+	db $25, $2C
+	db $73, $2C
+
+Func_1f55e: ; 0x1f55e
+	ld a, [wd604]
+	and a
+	ret z
+	ld a, [wd606]
+	inc a
+	ld [wd606], a
+	ld a, $40
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $1
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd606]
+	srl a
+	srl a
+	srl a
+	and $3
+	add $4f
+	cp $52
+	call nz, LoadOAMData
+	ret
+
+DrawAnimatedMon_BlueStage: ; 0x1f58b
+	ld a, [wWildMonIsHittable]
+	and a
+	ret z
+	ld a, $50
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $3e
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd5bd]
+	ld e, a
+	ld d, $0
+	ld hl, AnimatedMonOAMIds_BlueStage
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+AnimatedMonOAMIds_BlueStage:
+	db $26, $27, $28, $29, $2A, $2B, $2C, $2D, $2E, $2F, $30, $31
diff --git a/engine/main/draw_sprites/draw_diglett_bonus_sprites.asm b/engine/main/draw_sprites/draw_diglett_bonus_sprites.asm
new file mode 100755
index 0000000..a0dded5
--- /dev/null
+++ b/engine/main/draw_sprites/draw_diglett_bonus_sprites.asm
@@ -0,0 +1,28 @@
+DrawSpritesDiglettBonus: ; 0x1ac98
+	callba DrawFlippers
+	callba DrawPinball
+	call Func_1acb0
+	ret
+
+Func_1acb0: ; 0x1acb0
+	ld a, $40
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $0
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wDugtrioAnimationFrame]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_1accf
+	add hl, de
+	ld a, [hl]
+	bit 7, a
+	call z, LoadOAMData2
+	ret
+
+OAMIds_1accf:
+	db $46, $47, $48, $49, $4A, $4B, $4C, $4D, $4E, $4F, $50, $51, $52, $53
+	db $FF
diff --git a/engine/main/draw_sprites/draw_gengar_bonus_sprites.asm b/engine/main/draw_sprites/draw_gengar_bonus_sprites.asm
new file mode 100755
index 0000000..212279d
--- /dev/null
+++ b/engine/main/draw_sprites/draw_gengar_bonus_sprites.asm
@@ -0,0 +1,363 @@
+DrawSpritesGengarBonus: ; 0x18faf
+	ld bc, $7f00
+	callba DrawTimer
+	call Func_19020
+	call Func_190b9
+	call Func_19185
+	callba DrawFlippers
+	callba DrawPinball
+	ret
+
+Func_18fda:
+; unused
+	ld a, [hNewlyPressedButtons]
+	bit 6, a
+	ret z
+	ld a, [wd659]
+	and a
+	jr z, .asm_18ff8
+	ld a, $1
+	ld [wd67e], a
+	ld [wd687], a
+	xor a
+	ld [wd659], a
+	ld [wd662], a
+	ld [wd66b], a
+	ret
+
+.asm_18ff8
+	ld a, [wd67e]
+	and a
+	jr z, .asm_1900b
+	ld a, $1
+	ld [wd698], a
+	xor a
+	ld [wd67e], a
+	ld [wd687], a
+	ret
+
+.asm_1900b
+	ld a, [wd698]
+	and a
+	ret z
+	ld a, $1
+	ld [wd659], a
+	ld [wd662], a
+	ld [wd66b], a
+	xor a
+	ld [wd698], a
+	ret
+
+Func_19020: ; 0x19020
+	ld de, wd659
+	call Func_19033
+	ld de, wd662
+	call Func_19033
+	ld de, wd66b
+	call Func_19033
+	ret
+
+Func_19033: ; 0x19033
+	ld a, [de]
+	and a
+	ret z
+.asm_19036
+	call Func_19070
+	jr nc, .asm_19042
+	ld a, [rLCDC]
+	bit 7, a
+	jr z, .asm_19036
+	ret
+
+.asm_19042
+	inc de
+	inc de
+	inc de
+	inc de
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	ld a, [de]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_1906b
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_1906b:
+	db $00, $01, $02, $03
+	db $FF
+
+Func_19070: ; 0x19070
+	ld a, [wd674]
+	and a
+	ret z
+	push de
+	dec a
+	ld [wd674], a
+	sla a
+	sla a
+	ld c, a
+	ld b, $0
+	ld hl, GastlyVideoData_190a9
+	add hl, bc
+	ld a, [hli]
+	ld e, a
+	ld a, [hli]
+	ld d, a
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, Bank(GengarBonusGastlyGfx)
+	ld bc, $0060
+	call LoadOrCopyVRAMData
+	ld a, $8
+	ld [wd690], a
+	ld [wd6a1], a
+	xor a
+	ld [wd67e], a
+	ld [wd687], a
+	ld [wd698], a
+	pop de
+	scf
+	ret
+
+GastlyVideoData_190a9:
+	dw vTilesSH tile $10, GengarBonusGastlyGfx
+	dw vTilesSH tile $16, GengarBonusGastlyGfx + $60
+	dw vTilesSH tile $1c, GengarBonusGastlyGfx + $c0
+	dw vTilesSH tile $22, GengarBonusGastlyGfx + $120
+
+Func_190b9: ; 0x190b9
+	ld de, wd67e
+	call Func_190c6
+	ld de, wd687
+	call Func_190c6
+	ret
+
+Func_190c6: ; 0x190c6
+	ld a, [de]
+	and a
+	ret z
+.asm_190c9
+	call Func_19104
+	jr nc, .asm_190d5
+	ld a, [rLCDC]
+	bit 7, a
+	jr z, .asm_190c9
+	ret
+
+.asm_190d5
+	inc de
+	inc de
+	inc de
+	inc de
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	ld a, [de]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_190fe
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_190fe:
+	db $04, $05, $06, $07, $08
+	db $FF
+
+Func_19104: ; 0x19104
+	ld a, [wd690]
+	and a
+	ret z
+	push de
+	dec a
+	ld [wd690], a
+	sla a
+	sla a
+	sla a
+	ld c, a
+	ld b, $0
+	ld hl, GengarBonusStageHaunterGfxTable
+	add hl, bc
+	ld a, [hli]
+	ld c, a
+	ld a, [hli]
+	ld b, a
+	ld a, [hli]
+	ld e, a
+	ld a, [hli]
+	ld d, a
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, Bank(GengarBonusHaunterGfx)
+	call LoadOrCopyVRAMData
+	ld a, $4
+	ld [wd674], a
+	ld a, $8
+	ld [wd6a1], a
+	xor a
+	ld [wd659], a
+	ld [wd662], a
+	ld [wd66b], a
+	ld [wd698], a
+	pop de
+	scf
+	ret
+
+GengarBonusStageHaunterGfxTable: ; 0x19145
+; Graphics data for Haunter.
+; First word:  length in bytes
+; Second word: destination VRAM address
+; Third word:  graphics data
+; Fourth word: unused
+	dw $60, vTilesSH tile $10, GengarBonusHaunterGfx,        $0000
+	dw $60, vTilesSH tile $16, GengarBonusHaunterGfx + $60,  $0000
+	dw $60, vTilesSH tile $1c, GengarBonusHaunterGfx + $c0,  $0000
+	dw $60, vTilesSH tile $22, GengarBonusHaunterGfx + $120, $0000
+	dw $20, vTilesSH tile $28, GengarBonusHaunterGfx + $180, $0000
+	dw $40, vTilesOB tile $1a, GengarBonusHaunterGfx + $1a0, $0000
+	dw $60, vTilesOB tile $1e, GengarBonusHaunterGfx + $1e0, $0000
+	dw $60, vTilesOB tile $24, GengarBonusHaunterGfx + $240, $0000
+
+Func_19185: ; 0x19185
+	ld de, wd698
+	call Func_1918c
+	ret
+
+Func_1918c: ; 0x1918c
+	ld a, [de]
+	and a
+	ret z
+.asm_1918f
+	call Func_191cb
+	jr nc, .asm_1919b
+	ld a, [rLCDC]
+	bit 7, a
+	jr z, .asm_1918f
+	ret
+
+.asm_1919b
+	inc de
+	inc de
+	inc de
+	inc de
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	ld a, [de]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_191c4
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_191c4:
+	db $09, $0A, $0B, $0C, $0D, $0E
+	db $FF
+
+Func_191cb: ; 0x191cb
+	ld a, [wd6a1]
+	and a
+	ret z
+	push de
+	dec a
+	ld [wd6a1], a
+	sla a
+	sla a
+	sla a
+	ld c, a
+	ld b, $0
+	ld hl, GengarBonusStageGengarGfxTable
+	add hl, bc
+	ld a, [hli]
+	ld c, a
+	ld a, [hli]
+	ld b, a
+	ld a, [hli]
+	ld e, a
+	ld a, [hli]
+	ld d, a
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, $26
+	call LoadOrCopyVRAMData
+	ld a, $4
+	ld [wd674], a
+	ld a, $8
+	ld [wd690], a
+	xor a
+	ld [wd659], a
+	ld [wd662], a
+	ld [wd66b], a
+	ld [wd67e], a
+	ld [wd687], a
+	pop de
+	scf
+	ret
+
+GengarBonusStageGengarGfxTable:
+	dw $60, vTilesSH tile $10, GengarBonusGengarGfx,        $0000
+	dw $60, vTilesSH tile $16, GengarBonusGengarGfx + $60,  $0000
+	dw $60, vTilesSH tile $1c, GengarBonusGengarGfx + $c0,  $0000
+	dw $60, vTilesSH tile $22, GengarBonusGengarGfx + $120, $0000
+	dw $20, vTilesSH tile $28, GengarBonusGengarGfx + $180, $0000
+	dw $40, vTilesOB tile $1a, GengarBonusGengarGfx + $1a0, $0000
+	dw $60, vTilesOB tile $1e, GengarBonusGengarGfx + $1e0, $0000
+	dw $60, vTilesOB tile $24, GengarBonusGengarGfx + $240, $0000
diff --git a/engine/main/draw_sprites/draw_meowth_bonus_sprites.asm b/engine/main/draw_sprites/draw_meowth_bonus_sprites.asm
new file mode 100755
index 0000000..5d54a08
--- /dev/null
+++ b/engine/main/draw_sprites/draw_meowth_bonus_sprites.asm
@@ -0,0 +1,305 @@
+DrawSpritesMeowthBonus: ; 0x2583b
+	ld bc, $7f65
+	callba DrawTimer
+	callba DrawFlippers
+	call Func_259fe
+	call Func_25895
+	call Func_2595e
+	call Func_2586c
+	callba DrawPinball
+	call Func_25a39
+	ret
+
+Func_2586c: ; 0x2586c
+	ld a, [wMeowthXPosition]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wMeowthYPosition]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wMeowthAnimationFrame]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_2588b
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ret
+
+OAMIds_2588b:
+	db $21, $22, $23, $24, $25, $26, $27, $28, $33, $34
+
+Func_25895: ; 0x25895
+	ld a, [wd714]
+	cp $b
+	jr nz, .asm_258a0
+	xor a
+	ld [wd714], a
+.asm_258a0
+	ld a, [wd715]
+	cp $b
+	jr nz, .asm_258ab
+	xor a
+	ld [wd715], a
+.asm_258ab
+	ld a, [wd716]
+	cp $b
+	jr nz, .asm_258b6
+	xor a
+	ld [wd716], a
+.asm_258b6
+	ld a, [wd71a]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wd727]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd717]
+	sla a
+	ld e, a
+	ld d, $0
+	ld hl, OAMPointers_25935
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [wd714]
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ld a, [wd71b]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wd728]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd718]
+	sla a
+	ld e, a
+	ld d, $0
+	ld hl, OAMPointers_25935
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [wd715]
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ld a, [wd71c]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wd729]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd719]
+	sla a
+	ld e, a
+	ld d, $0
+	ld hl, OAMPointers_25935
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [wd716]
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ret
+
+OAMPointers_25935:
+	dw OAMIds_2593d
+	dw OAMIds_2593d
+	dw OAMIds_25948
+	dw OAMIds_25953
+
+OAMIds_2593d:
+	db $29, $29, $29, $29, $2A, $2A, $2A, $2A, $2A, $2A, $2A
+
+OAMIds_25948:
+	db $2B, $2B, $2B, $2B, $2B, $2B, $2B, $2C, $2C, $2C, $2C
+
+OAMIds_25953:
+	db $2D, $32, $31, $30, $2F, $2E, $2F, $30, $31, $32, $32
+
+Func_2595e: ; 0x2595e
+	ld a, [wd71e]
+	cp $b
+	jr nz, .asm_25969
+	xor a
+	ld [wd71e], a
+.asm_25969
+	ld a, [wd71f]
+	cp $b
+	jr nz, .asm_25974
+	xor a
+	ld [wd71f], a
+.asm_25974
+	ld a, [wd720]
+	cp $b
+	jr nz, .asm_2597f
+	xor a
+	ld [wd720], a
+.asm_2597f
+	ld a, [wd724]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wd731]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd721]
+	sla a
+	ld e, a
+	ld d, $0
+	ld hl, OAMPointers_25935
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [wd71e]
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ld a, [wd725]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wd732]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd722]
+	sla a
+	ld e, a
+	ld d, $0
+	ld hl, OAMPointers_25935
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [wd71f]
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ld a, [wd726]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wd733]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd723]
+	sla a
+	ld e, a
+	ld d, $0
+	ld hl, OAMPointers_25935
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [wd720]
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ret
+
+Func_259fe: ; 0x259fe
+	ld a, [wd795]
+	and a
+	ret z
+	ld de, wd79c
+	ld a, [de]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	ld a, [de]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_25a29
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_25a29:
+	db $35, $36, $37, $38, $39, $3A, $3B, $3C, $3D, $3E, $3F, $40, $41, $42, $43
+	db $FF
+
+Func_25a39: ; 0x25a39
+	ld a, [wd64e]
+	and a
+	ret z
+	ld a, [wd652]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	xor a
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd64f]
+	cp $a
+	jr c, .asm_25a58
+	ld de, $0000
+	jr .asm_25a5b
+
+.asm_25a58
+	ld de, $0001
+.asm_25a5b
+	ld hl, OAMIds_25a7a
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ld hl, wd64f
+	inc [hl]
+	ld a, [hl]
+	cp $14
+	ret c
+	ld [hl], $0
+	ld hl, wd650
+	inc [hl]
+	ld a, [hl]
+	cp $a
+	ret nz
+	xor a
+	ld [wd64e], a
+	ret
+
+OAMIds_25a7a: ; 0x25a7a
+	db $44, $45
diff --git a/engine/main/draw_sprites/draw_mewtwo_bonus_sprites.asm b/engine/main/draw_sprites/draw_mewtwo_bonus_sprites.asm
new file mode 100755
index 0000000..a4397a0
--- /dev/null
+++ b/engine/main/draw_sprites/draw_mewtwo_bonus_sprites.asm
@@ -0,0 +1,81 @@
+DrawSpritesMewtwoBonus: ; 0x1994e
+	ld bc, $7f65
+	callba DrawTimer
+	call Func_1999d
+	callba DrawFlippers
+	callba DrawPinball
+	call Func_19976
+	ret
+
+Func_19976: ; 0x19976
+	ld a, $40
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $0
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd6ad]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_19995
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_19995:
+	db $0F, $10, $11, $12, $17, $18, $19
+	db $FF
+
+Func_1999d: ; 0x1999d
+	ld de, wd6b6
+	call Func_199be
+	ld de, wd6be
+	call Func_199be
+	ld de, wd6c6
+	call Func_199be
+	ld de, wd6ce
+	call Func_199be
+	ld de, wd6d6
+	call Func_199be
+	ld de, wd6de
+	; fall through
+
+Func_199be: ; 0x199be
+	ld a, [de]
+	and a
+	ret z
+	inc de
+	inc de
+	inc de
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	inc de
+	ld a, [de]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	dec de
+	dec de
+	dec de
+	dec de
+	ld a, [de]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_199e6
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_199e6:
+	db $13, $14, $15, $16, $1A, $1B, $1C, $1D, $1E, $1F, $20
+	db $FF
diff --git a/engine/main/draw_sprites/draw_red_field_sprites.asm b/engine/main/draw_sprites/draw_red_field_sprites.asm
new file mode 100755
index 0000000..d56e840
--- /dev/null
+++ b/engine/main/draw_sprites/draw_red_field_sprites.asm
@@ -0,0 +1,759 @@
+DrawSpritesRedFieldTop: ; 0x1755c
+	ld bc, $7f00
+	call DrawTimer
+	call Func_17cc4
+	call Func_17d34
+	call Func_17d59
+	call Func_17d7a
+	call Func_17d92
+	call Func_17de1
+	call DrawPinball
+	call Func_17efb
+	call Func_17f64
+	ret
+
+DrawSpritesRedFieldBottom: ; 0x1757e
+	ld bc, $7f00
+	call DrawTimer
+	call DrawMonCaptureAnimation
+	call DrawAnimatedMon_RedStage
+	call DrawPikachuSavers_RedStage
+	callba DrawFlippers
+	call DrawPinball
+	call Func_17f0f
+	call Func_17f75
+	call Func_17fca
+	ret
+
+DrawTimer: ; 0x175a4
+	ld a, [wd57d]
+	and a
+	ret z
+	ld a, [hGameBoyColorFlag]
+	and a
+	jr nz, DrawTimer_GameBoyColor
+	ld a, [wd580]
+	and a
+	ret z
+	ld a, [wd581]
+	and a
+	jr z, .DrawTimer_GameBoy
+	dec a
+	ld [wd581], a
+	ret
+
+.DrawTimer_GameBoy
+	call Func_1762f
+	ld hl, wTimerDigits
+	ld a, [wTimerMinutes]
+	and $f
+	call LoadTimerDigitTiles
+	ld a, [wTimerSeconds]
+	swap a
+	and $f
+	call LoadTimerDigitTiles
+	ld a, [wTimerSeconds]
+	and $f
+	call LoadTimerDigitTiles
+	ld d, $0
+	ld hl, TimerOAMIds
+	add hl, de
+	ld a, [hli]
+	call DrawTimerDigit
+	ld a, [hli]
+	call DrawTimerDigit
+	ld a, [hli]
+	call DrawTimerDigit
+	ld a, [hli]
+	call DrawTimerDigit
+	ret
+
+DrawTimer_GameBoyColor: ; 0x175f5
+; Loads the OAM data for the timer in the top-right corner of the screen.
+	ld a, [wTimerMinutes]
+	and $f
+	call DrawTimerDigit_GameBoyColor
+	ld a, $a  ; colon
+	call DrawTimerDigit_GameBoyColor
+	ld a, [wTimerSeconds]
+	swap a
+	and $f
+	call DrawTimerDigit_GameBoyColor  ; tens digit of the minutes
+	ld a, [wTimerSeconds]
+	and $f
+	call DrawTimerDigit_GameBoyColor  ; ones digit of the minutes
+	ret
+
+TimerOAMIds:
+	db $d7, $da, $d8, $d9
+	db $dc, $df, $dd, $de
+	db $dc, $db, $dd, $de
+	db $f5, $f8, $f6, $f7
+
+DrawTimerDigit_GameBoyColor: ; 0x17625
+	add $b1  ; the timer digits' OAM ids start at $b1
+DrawTimerDigit: ; 0x17627
+	call LoadOAMData
+	ld a, b
+	add $8
+	ld b, a
+	ret
+
+Func_1762f: ; 0x1762f
+	lb de, $60, $0c
+	ld a, [wCurrentStage]
+	cp $6
+	ret nc
+	lb de, $00, $00
+	bit 0, a
+	ret z
+	lb de, $30, $04
+	ld a, [wInSpecialMode]
+	and a
+	ret z
+	ld a, [wSpecialMode]
+	and a
+	ret nz
+	lb de, $30, $08
+	ret
+
+LoadTimerDigitTiles: ; 0x1764f
+	push bc
+	push de
+	cp [hl]
+	jr z, .skip
+	push af
+	push hl
+	add d
+	call Func_17665
+	pop hl
+	pop af
+	ld [hl], a
+.skip
+	inc hl
+	pop de
+	ld a, d
+	add $10
+	ld d, a
+	pop bc
+	ret
+
+Func_17665: ; 0x17665
+	ld c, a
+	ld b, $0
+	sla c
+	rl b
+	ld hl, TimerDigitsTileData
+	add hl, bc
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, Bank(TimerDigitsTileData)
+	call Func_10aa
+	ret
+
+INCLUDE "data/timer_digits_tiledata.asm"
+
+DrawMonCaptureAnimation: ; 0x17c67
+	ld a, [wCapturingMon]
+	and a
+	ret z
+	ld a, $50
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $38
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wBallCaptureAnimationFrame]
+	ld e, a
+	ld d, $0
+	ld hl, BallCaptureAnimationOAMIds
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+BallCaptureAnimationOAMIds:
+	db $19, $1A, $1B, $1C, $1D, $1E, $1F, $20, $21, $22, $23, $24, $25
+
+DrawAnimatedMon_RedStage: ; 0x17c96
+	ld a, [wWildMonIsHittable]
+	and a
+	ret z
+	ld a, $50
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $3e
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd5bd]
+	ld e, a
+	ld d, $0
+	ld hl, AnimatedMonOAMIds_RedStage
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+AnimatedMonOAMIds_RedStage:
+	db $26, $27, $28, $29, $2A, $2B, $2C, $2D, $2E, $2F, $30, $31
+
+Func_17cc4: ; 0x17cc4
+	ld de, wd4cd
+	ld hl, OAMData_17d15
+	call Func_17cdc
+	ld de, wd4d0
+	ld hl, OAMData_17d1b
+	call Func_17cdc
+	ld de, wd4d3
+	ld hl, OAMData_17d21
+	; fall through
+
+Func_17cdc: ; 0x17cdc
+	push hl
+	ld hl, AnimationData_17d27
+	call UpdateAnimation
+	ld h, d
+	ld l, e
+	ld a, [hl]
+	and a
+	jr nz, .asm_17cf6
+	call GenRandom
+	and $7
+	add $1e
+	ld [hli], a
+	ld a, $1
+	ld [hli], a
+	xor a
+	ld [hl], a
+.asm_17cf6
+	pop hl
+	inc de
+	ld a, [hSCX]
+	ld b, a
+	ld a, [hli]
+	sub b
+	ld b, a
+	ld a, [hSCY]
+	ld c, a
+	ld a, [hli]
+	sub c
+	ld c, a
+	ld a, [wd4d7]
+	sub [hl]
+	inc hl
+	jr z, .asm_17d0c
+	ld a, [de]
+.asm_17d0c
+	ld e, a
+	ld d, $0
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+OAMData_17d15:
+	db $3A, $4E ; x, y offsets
+	db $00 ; ???
+	db $BD, $BC, $CE ; oam ids
+
+OAMData_17d1b:
+	db $53, $44 ; x, y offsets
+	db $01 ; ???
+	db $BD, $BC, $CD ; oam ids
+
+OAMData_17d21:
+	db $4D, $60 ; x, y offsets
+	db $02 ; ???
+	db $BD, $BC, $CF ; oam ids
+
+AnimationData_17d27:
+; Each entry is [duration][OAM id]
+	db $1E, $01
+	db $02, $02
+	db $03, $01
+	db $02, $02
+	db $03, $01
+	db $02, $02
+	db $00 ; terminator
+
+Func_17d34: ; 0x17d34
+	ld a, $0
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $10
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wStageCollisionState]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_17d51
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+OAMIds_17d51:
+	db $C9
+	db $C9
+	db $C9
+	db $C9
+	db $C8
+	db $C8
+	db $CA
+	db $CA
+
+Func_17d59: ; 0x17d59
+	ld a, $74
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $52
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wBellsproutAnimationFrame]
+	ld e, a
+	ld d, $0
+	ld hl, BellsproutAnimationOAMIds
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+BellsproutAnimationOAMIds: ; 0x17d76
+	db $BE
+	db $BF
+	db $C0
+	db $C1
+
+Func_17d7a: ; 0x17d7a
+	ld a, [hGameBoyColorFlag]
+	and a
+	ret z
+	ld a, $67
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $54
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, $cc
+	call LoadOAMData
+	ret
+
+Func_17d92: ; 0x17d92
+	ld a, [hGameBoyColorFlag]
+	and a
+	ret z
+	ld hl, AnimationData_17dd0
+	ld de, wd504
+	call UpdateAnimation
+	ld a, [wd504]
+	and a
+	jr nz, .asm_17db1
+	ld a, $13
+	ld [wd504], a
+	xor a
+	ld [wd505], a
+	ld [wd506], a
+.asm_17db1
+	ld a, $2b
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $69
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd505]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_17dce
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+OAMIds_17dce: ; 0x17dce
+	db $CB
+	db $D0
+
+AnimationData_17dd0:
+; Each entry is [duration][OAM id]
+	db $14, $00
+	db $13, $01
+	db $15, $00
+	db $12, $01
+	db $14, $00
+	db $13, $01
+	db $16, $00
+	db $13, $01
+	db $0 ; terminator
+
+Func_17de1: ; 0x17de1
+	ld a, $88
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $5a
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd50a]
+	srl a
+	srl a
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_17e02
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData
+	ret
+
+OAMIds_17e02: ; 0x17e02
+	db $C2
+	db $C3
+	db $C4
+	db $C5
+	db $C6
+	db $C7
+
+DrawPikachuSavers_RedStage: ; 0x17e08
+	ld a, [hSCX]
+	ld d, a
+	ld a, [hSCY]
+	ld e, a
+	ld a, [wd51d]
+	and a
+	ld a, [wd518]
+	jr z, .asm_17e33
+	ld a, [wd51c]
+	and a
+	jr nz, .asm_17e29
+	ld a, [hNumFramesDropped]
+	srl a
+	srl a
+	srl a
+	and $1
+	jr .asm_17e33
+
+.asm_17e29
+	ld a, [wd4b4]
+	cp $50
+	ld a, $1
+	jr nc, .asm_17e33
+	xor a
+.asm_17e33
+	sla a
+	ld c, a
+	ld b, $0
+	ld hl, PikachuSaverOAMOffsets_RedStage
+	add hl, bc
+	ld a, [hli]
+	sub d
+	ld b, a
+	ld a, [hli]
+	sub e
+	ld c, a
+	ld a, [wPikachuSaverAnimationFrame]
+	add $e
+	call LoadOAMData
+	ret
+
+PikachuSaverOAMOffsets_RedStage:
+	dw $7E0F
+	dw $7E92
+
+Func_17e4f: ; 0x17e4f
+; unused
+	ld hl, UnusedData_7e55
+	jp Func_17e5e
+
+UnusedData_7e55: ; 0x17e55
+	db $00, $2B, $69, $CB, $00, $67, $54, $CC
+	db $FF
+
+Func_17e5e: ; 0x17e5e
+; unused
+	ld a, [hGameBoyColorFlag]
+	ld e, a
+	ld a, [hSCX]
+	ld d, a
+.asm_17e64
+	ld a, [hli]
+	cp $ff
+	ret z
+	or e
+	jr nz, .asm_17e70
+	inc hl
+	inc hl
+	inc hl
+	jr .asm_17e64
+.asm_17e70
+	ld a, [hli]
+	sub d
+	ld b, a
+	ld a, [hSCY]
+	ld c, a
+	ld a, [hli]
+	sub c
+	ld c, a
+	ld a, [hli]
+	bit 0, e
+	call nz, LoadOAMData
+	jr .asm_17e64
+
+DrawPinball: ; 0x17e81
+	ld a, [wd548]
+	and a
+	ret z
+	ld hl, wBallSpin
+	ld a, [wBallRotation]
+	add [hl]
+	ld [wBallRotation], a
+	ld a, [wBallXPos + 1]
+	inc a
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wBallYPos + 1]
+	inc a
+	sub $10
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wBallRotation]
+	srl a
+	srl a
+	srl a  ; divide wBallRotation by 8 because
+	srl a  ; there are 8 frames of the ball spinning
+	and $7
+	add $0
+	call LoadOAMData
+	ld a, [hGameBoyColorFlag]
+	and a
+	ret nz
+	ld a, [hGameBoyColorFlag]
+	and a
+	ret nz
+	ld a, [hSGBFlag]
+	and a
+	ret nz
+	ld a, [wd4c5]
+	inc a
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, [wd4c6]
+	inc a
+	sub $10
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd4c7]
+	srl a
+	srl a
+	srl a
+	srl a
+	and $7
+	add $0
+	call LoadOAMData
+	ld a, [wBallXPos + 1]
+	ld [wd4c5], a
+	ld a, [wBallYPos + 1]
+	ld [wd4c6], a
+	ld a, [wBallRotation]
+	ld [wd4c7], a
+	ret
+
+Func_17efb: ; 0x17efb
+	ld a, [wd551]
+	and a
+	ret nz
+	ld a, [hNumFramesDropped]
+	bit 4, a
+	ret z
+	ld de, wIndicatorStates + 5
+	ld hl, OAMData_17f3a
+	ld b, $6
+	jr asm_17f21
+
+Func_17f0f: ; 0x17f0f
+	ld a, [wd551]
+	and a
+	ret nz
+	ld a, [hNumFramesDropped]
+	bit 4, a
+	ret z
+	ld de, wIndicatorStates + 11
+	ld hl, OAMData_17f4c
+	ld b, $8
+asm_17f21: ; 0x17f21
+	push bc
+	ld a, [hSCX]
+	ld b, a
+	ld a, [hli]
+	sub b
+	ld b, a
+	ld a, [hSCY]
+	ld c, a
+	ld a, [hli]
+	sub c
+	ld c, a
+	ld a, [de]
+	and a
+	ld a, [hli]
+	call nz, LoadOAMData
+	pop bc
+	inc de
+	dec b
+	jr nz, asm_17f21
+	ret
+
+OAMData_17f3a:
+	db $0D, $37 ; x, y offsets
+	db $D1 ; oam id
+
+	db $46, $22 ; x, y offsets
+	db $D6 ; oam id
+
+	db $8A, $4A ; x, y offsets
+	db $D2 ; oam id
+
+	db $41, $81 ; x, y offsets
+	db $D3 ; oam id
+
+	db $3D, $65 ; x, y offsets
+	db $D5 ; oam id
+
+	db $73, $74 ; x, y offsets
+	db $D4 ; oam id
+
+OAMData_17f4c:
+	db $2D, $13 ; x, y offsets
+	db $32 ; oam id
+
+	db $6A, $13 ; x, y offsets
+	db $33 ; oam id
+
+	db $25, $2D ; x, y offsets
+	db $34 ; oam id
+
+	db $73, $2D ; x, y offsets
+	db $35 ; oam id
+
+	db $0F, $40 ; x, y offsets
+	db $36 ; oam id
+
+	db $1F, $40 ; x, y offsets
+	db $36 ; oam id
+
+	db $79, $40 ; x, y offsets
+	db $37 ; oam id
+
+	db $89, $40 ; x, y offsets
+	db $37 ; oam id
+
+Func_17f64: ; 0x17f64
+	ld a, [wd551]
+	and a
+	ret z
+	ld de, wd566
+	ld hl, OAMOffsets_17fa6
+	ld b, $c
+	ld c, $39
+	jr asm_17f84
+
+Func_17f75: ; 0x17f75
+	ld a, [wd551]
+	and a
+	ret z
+	ld de, wd572
+	ld hl, OAMOffsets_17fbe
+	ld b, $6
+	ld c, $40
+asm_17f84: ; 0x17f84
+	push bc
+	ld a, [de]
+	add c
+	cp c
+	push af
+	ld a, [hSCX]
+	ld b, a
+	ld a, [hli]
+	sub b
+	ld b, a
+	ld a, [hSCY]
+	ld c, a
+	ld a, [hli]
+	sub c
+	ld c, a
+	ld a, [hNumFramesDropped]
+	and $e
+	jr nz, .asm_17f9c
+	dec c
+.asm_17f9c
+	pop af
+	call nz, LoadOAMData
+	pop bc
+	inc de
+	dec b
+	jr nz, asm_17f84
+	ret
+
+OAMOffsets_17fa6:
+; x, y offsets
+	db $4C, $0C
+	db $32, $12
+	db $66, $12
+	db $19, $25
+	db $7F, $25
+	db $1E, $36
+	db $7F, $36
+	db $0E, $65
+	db $8B, $65
+	db $49, $7A
+	db $59, $7A
+	db $71, $7A
+
+OAMOffsets_17fbe:
+; x, y offsets
+	db $3D, $13
+	db $5B, $13
+	db $31, $17
+	db $67, $17
+	db $2E, $2C
+	db $6A, $2C
+
+Func_17fca: ; 0x17fca
+	ld a, [wd604]
+	and a
+	ret z
+	ld a, [wd606]
+	inc a
+	ld [wd606], a
+	ld a, $40
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	ld a, $1
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd606]
+	srl a
+	srl a
+	srl a
+	and $3
+	add $4f
+	cp $52
+	call nz, LoadOAMData
+	ret
diff --git a/engine/main/draw_sprites/draw_seel_bonus_sprites.asm b/engine/main/draw_sprites/draw_seel_bonus_sprites.asm
new file mode 100755
index 0000000..261de5b
--- /dev/null
+++ b/engine/main/draw_sprites/draw_seel_bonus_sprites.asm
@@ -0,0 +1,129 @@
+DrawSpritesSeelBonus: ; 0x26b7e
+	ld bc, $7f65
+	callba DrawTimer
+	call Func_26bf7
+	callba DrawFlippers
+	callba DrawPinball
+	call Func_26ba9
+	call Func_26c3c
+	ret
+
+Func_26ba9: ; 0x26ba9
+	ld de, wd76e
+	call Func_26bbc
+	ld de, wd778
+	call Func_26bbc
+	ld de, wd782
+	call Func_26bbc
+	ret
+
+Func_26bbc: ; 0x26bbc
+	ld a, [de]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	ld a, [de]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_26bdf
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_26bdf:
+	db $54, $55, $56, $57, $58, $59, $5A, $5B, $5C, $5D, $5E, $5F, $60, $61, $62, $63
+	db $64, $65, $66, $67, $68, $69, $6A
+	db $FF
+
+Func_26bf7: ; 0x26bf7: ; 0x26bf7
+	ld a, [wd795]
+	cp $0
+	ret z
+	ld de, wd79c
+	ld a, [de]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	inc de
+	inc de
+	ld a, [de]
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	dec de
+	ld a, [de]
+	ld e, a
+	ld d, $0
+	ld hl, OAMIds_26c23
+	add hl, de
+	ld a, [hl]
+	cp $ff
+	call nz, LoadOAMData2
+	ret
+
+OAMIds_26c23:
+	db $6B, $6C, $6D, $6E, $6F, $70, $71, $72, $73, $74, $75, $76, $77, $78, $79, $7A
+	db $7B, $7C, $7D, $7E, $7F, $80, $81, $82
+	db $FF
+
+Func_26c3c: ; 0x26c3c
+	ld a, [wd64e]
+	and a
+	ret z
+	ld a, [wd652]
+	ld hl, hSCX
+	sub [hl]
+	ld b, a
+	xor a
+	ld hl, hSCY
+	sub [hl]
+	ld c, a
+	ld a, [wd64f]
+	cp $a
+	jr c, .asm_26c5b
+	ld de, $0000
+	jr .asm_26c5e
+
+.asm_26c5b
+	ld de, $0001
+.asm_26c5e
+	ld hl, OAMIds_26c7d
+	add hl, de
+	ld a, [hl]
+	call LoadOAMData2
+	ld hl, wd64f
+	inc [hl]
+	ld a, [hl]
+	cp $14
+	ret c
+	ld [hl], $0
+	ld hl, wd650
+	inc [hl]
+	ld a, [hl]
+	cp $a
+	ret nz
+	xor a
+	ld [wd64e], a
+	ret
+
+OAMIds_26c7d:
+	db $83, $84
diff --git a/engine/main/draw_sprites/draw_sprites.asm b/engine/main/draw_sprites/draw_sprites.asm
new file mode 100755
index 0000000..8e653bf
--- /dev/null
+++ b/engine/main/draw_sprites/draw_sprites.asm
@@ -0,0 +1,35 @@
+DrawSpritesForStage: ; 0x84b7
+; Draw sprites (OAM data) for the current stage.
+	ld a, [wCurrentStage]
+	call CallInFollowingTable
+CallTable_84bd: ; 0x84bd
+	; STAGE_RED_FIELD_TOP
+	padded_dab DrawSpritesRedFieldTop
+	; STAGE_RED_FIELD_BOTTOM
+	padded_dab DrawSpritesRedFieldBottom
+	padded_dab Func_18079
+	padded_dab Func_18084
+	; STAGE_BLUE_FIELD_TOP
+	padded_dab DrawSpritesBlueFieldTop
+	; STAGE_BLUE_FIELD_BOTTOM
+	padded_dab DrawSpritesBlueFieldBottom
+	; STAGE_GENGAR_BONUS
+	padded_dab DrawSpritesGengarBonus
+	; STAGE_GENGAR_BONUS
+	padded_dab DrawSpritesGengarBonus
+	; STAGE_MEWTWO_BONUS
+	padded_dab DrawSpritesMewtwoBonus
+	; STAGE_MEWTWO_BONUS
+	padded_dab DrawSpritesMewtwoBonus
+	; STAGE_MEOWTH_BONUS
+	padded_dab DrawSpritesMeowthBonus
+	; STAGE_MEOWTH_BONUS
+	padded_dab DrawSpritesMeowthBonus
+	; STAGE_DIGLETT_BONUS
+	padded_dab DrawSpritesDiglettBonus
+	; STAGE_DIGLETT_BONUS
+	padded_dab DrawSpritesDiglettBonus
+	; STAGE_SEEL_BONUS
+	padded_dab DrawSpritesSeelBonus
+	; STAGE_SEEL_BONUS
+	padded_dab DrawSpritesSeelBonus
diff --git a/engine/main/draw_sprites/draw_unused_stage_sprites.asm b/engine/main/draw_sprites/draw_unused_stage_sprites.asm
new file mode 100755
index 0000000..473a8c2
--- /dev/null
+++ b/engine/main/draw_sprites/draw_unused_stage_sprites.asm
@@ -0,0 +1,8 @@
+Func_18079: ; 0x18079
+	callba DrawPinball
+	ret
+
+Func_18084: ; 0x18084
+	callba DrawFlippers
+	callba DrawPinball
+	ret
-- 
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