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-rw-r--r--engine/battle/scale_sprites.asm7
1 files changed, 7 insertions, 0 deletions
diff --git a/engine/battle/scale_sprites.asm b/engine/battle/scale_sprites.asm
index 98521528..c614d638 100644
--- a/engine/battle/scale_sprites.asm
+++ b/engine/battle/scale_sprites.asm
@@ -2,6 +2,13 @@
; assumes that input sprite chunks are 4x4 tiles, and the rightmost and bottommost 4 pixels will be ignored
; resulting in a 7*7 tile output sprite chunk
ScaleSpriteByTwo:
+ ld a, $0
+ call SwitchSRAMBankAndLatchClockData
+ call ScaleSpriteByTwo_
+ call PrepareRTCDataAndDisableSRAM
+ ret
+
+ScaleSpriteByTwo_:
ld de, sSpriteBuffer1 + (4*4*8) - 5 ; last byte of input data, last 4 rows already skipped
ld hl, sSpriteBuffer0 + SPRITEBUFFERSIZE - 1 ; end of destination buffer
call ScaleLastSpriteColumnByTwo ; last tile column is special case