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Move, comment, and simplify some macro definitions

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This commit is contained in:
Rangi
2020-04-04 15:19:43 -04:00
parent 0ee9d7a48b
commit 3cdfac7994
6 changed files with 36 additions and 44 deletions
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28
macros/gfx.asm
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@@ -20,3 +20,31 @@ tile EQUS "+ LEN_2BPP_TILE *"
; example usage:
; INCBIN "foo.gbcpal", middle_colors
middle_colors EQUS "PAL_COLOR_SIZE, PAL_COLOR_SIZE * 2"
dbpixel: MACRO
if _NARG >= 4
; x tile, y tile, x pixel, y pixel
db \1 * TILE_WIDTH + \3, \2 * TILE_WIDTH + \4
else
; x tile, y tile
db \1 * TILE_WIDTH, \2 * TILE_WIDTH
endc
ENDM
ldpixel: MACRO
if _NARG >= 5
; register, x tile, y tile, x pixel, y pixel
lb \1, \2 * TILE_WIDTH + \4, \3 * TILE_WIDTH + \5
else
; register, x tile, y tile
lb \1, \2 * TILE_WIDTH, \3 * TILE_WIDTH
endc
ENDM
depixel EQUS "ldpixel de,"
bcpixel EQUS "ldpixel bc,"
dsprite: MACRO
; y tile, y pixel, x tile, x pixel, vtile offset, attributes
db (\1 * TILE_WIDTH) % $100 + \2, (\3 * TILE_WIDTH) % $100 + \4, \5, \6
ENDM