Merge pull request #30 from entrpntr/spring-cleaning

Spring Cleaning

1 files changed, 57 insertions, 0 deletions

diff --git a/engine/battle/sliding_intro.asm b/engine/battle/sliding_intro.asm
new file mode 100644
index 00000000..f872a8de
--- /dev/null
+++ b/engine/battle/sliding_intro.asm
@@ -0,0 +1,57 @@
+BattleIntroSlidingPics:
+	ld b, $70
+	ld c, $90
+	ld a, c
+	ldh [hSCX], a
+	call DelayFrame
+	ld a, %11100100
+	call DmgToCgbBGPals
+	lb de, %11100100, %11100100
+	call DmgToCgbObjPals
+
+.loop1
+	push bc
+	ld h, b
+	ld l, $40
+	call .subfunction2
+	ld h, $00
+	ld l, $60
+	call .subfunction2
+	call .subfunction1
+	pop bc
+	ld a, c
+	ldh [hSCX], a
+	inc b
+	inc b
+	dec c
+	dec c
+	jr nz, .loop1
+	ret
+
+.subfunction1
+	push bc
+	ld hl, wVirtualOAMSprite00XCoord
+	ld c, $12 ; 18
+	ld de, SPRITEOAMSTRUCT_LENGTH
+.loop2
+	dec [hl]
+	dec [hl]
+	add hl, de
+	dec c
+	jr nz, .loop2
+	pop bc
+	ret
+
+.subfunction2
+.loop3
+	ldh a, [rLY]
+	cp l
+	jr nz, .loop3
+	ld a, h
+	ldh [rSCX], a
+
+.loop4
+	ldh a, [rLY]
+	cp h
+	jr z, .loop4
+	ret