From 5647ca687b92954dcf37a6ea6bfbc9a341c32de4 Mon Sep 17 00:00:00 2001
From: dannye <33dannye@gmail.com>
Date: Wed, 4 Nov 2020 00:06:44 -0600
Subject: Sync with pokered

---
 engine/predefsA.asm | 73 -----------------------------------------------------
 1 file changed, 73 deletions(-)
 delete mode 100644 engine/predefsA.asm

(limited to 'engine/predefsA.asm')

diff --git a/engine/predefsA.asm b/engine/predefsA.asm
deleted file mode 100644
index e25735c5..00000000
--- a/engine/predefsA.asm
+++ /dev/null
@@ -1,73 +0,0 @@
-; inverts the BGP for 4 (6 on CGB due to lag) frames
-ChangeBGPalColor0_4Frames:
-	call GetPredefRegisters ; leftover of red/blue, has no use here
-	ld a, [rBGP]
-	xor $ff
-	ld [rBGP], a
-	call UpdateGBCPal_BGP
-	ld c, 4
-	call DelayFrames
-	ld a, [rBGP]
-	xor $ff
-	ld [rBGP], a
-	call UpdateGBCPal_BGP
-	ret
-
-PredefShakeScreenVertically:
-; Moves the window down and then back in a sequence of progressively smaller
-; numbers of pixels, starting at b.
-	call GetPredefRegisters
-	ld a, 1
-	ld [wDisableVBlankWYUpdate], a
-	xor a
-.loop
-	ld [$ff96], a
-	call .MutateWY
-	call .MutateWY
-	dec b
-	ld a, b
-	jr nz, .loop
-	xor a
-	ld [wDisableVBlankWYUpdate], a
-	ret
-
-.MutateWY
-	ld a, [$ff96]
-	xor b
-	ld [$ff96], a
-	ld [rWY], a
-	ld c, 3
-	jp DelayFrames
-
-PredefShakeScreenHorizontally:
-; Moves the window right and then back in a sequence of progressively smaller
-; numbers of pixels, starting at b.
-	call GetPredefRegisters
-	xor a
-.loop
-	ld [$ff97], a
-	call .MutateWX
-	ld c, 1
-	call DelayFrames
-	call .MutateWX
-	dec b
-	ld a, b
-	jr nz, .loop
-
-; restore normal WX
-	ld a, 7
-	ld [rWX], a
-	ret
-
-.MutateWX
-	ld a, [$ff97]
-	xor b
-	ld [$ff97], a
-	bit 7, a
-	jr z, .skipZeroing
-	xor a ; zero a if it's negative
-.skipZeroing
-	add 7
-	ld [rWX], a
-	ld c, 4
-	jp DelayFrames
-- 
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