thorn/kep-hack
1
0
Fork 0
mirror of https://github.com/thornAvery/kep-hack.git synced 2026-02-21 22:52:15 +13:00
Code Issues Projects Releases Packages Wiki Activity Actions

remove address comments

Browse source
This commit is contained in:
YamaArashi 2016-06-11 17:24:04 -07:00
parent cee4d559f9
commit 7f34e28f24
764 changed files with 8371 additions and 8371 deletions
Download patch file Download diff file Expand all files Collapse all files

10
engine/battle/scale_sprites.asm
View file

@ -1,7 +1,7 @@
; scales both uncompressed sprite chunks by two in every dimension (creating 2x2 output pixels per input pixel)
; 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: ; 2fe40 (b:7e40)
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
@ -10,7 +10,7 @@ ScaleSpriteByTwo: ; 2fe40 (b:7e40)
ld hl, sSpriteBuffer1 + SPRITEBUFFERSIZE - 1 ; end of destination buffer
call ScaleLastSpriteColumnByTwo ; last tile column is special case
ScaleFirstThreeSpriteColumnsByTwo: ; 2fe55 (b:7e55)
ScaleFirstThreeSpriteColumnsByTwo:
ld b, $3 ; 3 tile columns
.columnLoop
ld c, 4*8 - 4 ; $1c, 4 tiles minus 4 unused rows
@ -39,7 +39,7 @@ ScaleFirstThreeSpriteColumnsByTwo: ; 2fe55 (b:7e55)
jr nz, .columnLoop
ret
ScaleLastSpriteColumnByTwo: ; 2fe7d (b:7e7d)
ScaleLastSpriteColumnByTwo:
ld a, 4*8 - 4 ; $1c, 4 tiles minus 4 unused rows
ld [H_SPRITEINTERLACECOUNTER], a
ld bc, -1
@ -61,7 +61,7 @@ ScaleLastSpriteColumnByTwo: ; 2fe7d (b:7e7d)
; scales the given 4 bits in a (4x1 pixels) to 2 output bytes (8x2 pixels)
; hl: destination pointer
; bc: destination pointer offset (added after the two bytes have been written)
ScalePixelsByTwo: ; 2fe97 (b:7e97)
ScalePixelsByTwo:
push hl
and $f
ld hl, DuplicateBitsTable
@ -78,7 +78,7 @@ ScalePixelsByTwo: ; 2fe97 (b:7e97)
ret
; repeats each input bit twice
DuplicateBitsTable: ; 2fea8 (b:7ea8)
DuplicateBitsTable:
db $00, $03, $0c, $0f
db $30, $33, $3c, $3f
db $c0, $c3, $cc, $cf