Pull a lot of engine out of main.asm

engine/overworld/healing_machine.asm

@@ -0,0 +1,102 @@
+AnimateHealingMachine: ; 70433 (1c:4433)
+	ld de, PokeCenterFlashingMonitorAndHealBall ; $44b7
+	ld hl, $87c0
+	ld bc, (BANK(PokeCenterFlashingMonitorAndHealBall) << 8) + $03
+	call CopyVideoData
+	ld hl, $cfcb
+	ld a, [hl]
+	push af
+	ld [hl], $ff
+	push hl
+	ld a, [rOBP1] ; $ff49
+	push af
+	ld a, $e0
+	ld [rOBP1], a ; $ff49
+	ld hl, $c384
+	ld de, PokeCenterOAMData ; $44d7
+	call Func_70503
+	ld a, $4
+	ld [wMusicHeaderPointer], a
+	ld a, $ff
+	ld [$c0ee], a
+	call PlaySound
+.asm_70464
+	ld a, [wMusicHeaderPointer]
+	and a
+	jr nz, .asm_70464
+	ld a, [W_NUMINPARTY] ; $d163
+	ld b, a
+.asm_7046e
+	call Func_70503
+	ld a, (SFX_02_4a - SFX_Headers_02) / 3
+	call PlaySound
+	ld c, $1e
+	call DelayFrames
+	dec b
+	jr nz, .asm_7046e
+	ld a, [$c0ef]
+	cp $1f
+	ld [$c0f0], a
+	jr nz, .asm_70495
+	ld a, $ff
+	ld [$c0ee], a
+	call PlaySound
+	ld a, Bank(Func_9876)
+	ld [$c0ef], a
+.asm_70495
+	ld a, MUSIC_PKMN_HEALED
+	ld [$c0ee], a
+	call PlaySound
+	ld d, $28
+	call Func_704f3
+.asm_704a2
+	ld a, [$c026]
+	cp MUSIC_PKMN_HEALED
+	jr z, .asm_704a2
+	ld c, $20
+	call DelayFrames
+	pop af
+	ld [rOBP1], a ; $ff49
+	pop hl
+	pop af
+	ld [hl], a
+	jp UpdateSprites
+
+PokeCenterFlashingMonitorAndHealBall: ; 704b7 (1c:44b7)
+	INCBIN "gfx/pokecenter_ball.2bpp"
+
+PokeCenterOAMData: ; 704d7 (1c:44d7)
+	db $24,$34,$7C,$10 ; heal machine monitor
+	db $2B,$30,$7D,$10 ; pokeballs 1-6
+	db $2B,$38,$7D,$30
+	db $30,$30,$7D,$10
+	db $30,$38,$7D,$30
+	db $35,$30,$7D,$10
+	db $35,$38,$7D,$30
+
+Func_704f3: ; 704f3 (1c:44f3)
+	ld b, $8
+.asm_704f5
+	ld a, [rOBP1] ; $ff49
+	xor d
+	ld [rOBP1], a ; $ff49
+	ld c, $a
+	call DelayFrames
+	dec b
+	jr nz, .asm_704f5
+	ret
+
+Func_70503: ; 70503 (1c:4503)
+	ld a, [de]
+	inc de
+	ld [hli], a
+	ld a, [de]
+	inc de
+	ld [hli], a
+	ld a, [de]
+	inc de
+	ld [hli], a
+	ld a, [de]
+	inc de
+	ld [hli], a
+	ret