mirror of https://github.com/pret/pokecrystal.git
52 lines
837 B
NASM
52 lines
837 B
NASM
bccoord equs "coord bc,"
|
|
decoord equs "coord de,"
|
|
hlcoord equs "coord hl,"
|
|
|
|
coord: MACRO
|
|
; register, x, y[, origin]
|
|
if _NARG < 4
|
|
ld \1, TileMap + SCREEN_WIDTH * (\3) + (\2)
|
|
else
|
|
ld \1, \4 + SCREEN_WIDTH * (\3) + (\2)
|
|
endc
|
|
ENDM
|
|
|
|
dwcoord: MACRO
|
|
rept _NARG / 2
|
|
dw TileMap + SCREEN_WIDTH * (\2) + (\1)
|
|
shift
|
|
shift
|
|
endr
|
|
ENDM
|
|
|
|
ldcoord_a: MACRO
|
|
if _NARG < 3
|
|
ld [TileMap + SCREEN_WIDTH * (\2) + (\1)], a
|
|
else
|
|
ld [\3 + SCREEN_WIDTH * (\2) + (\1)], a
|
|
endc
|
|
ENDM
|
|
|
|
lda_coord: MACRO
|
|
if _NARG < 3
|
|
ld a, [TileMap + SCREEN_WIDTH * (\2) + (\1)]
|
|
else
|
|
ld a, [\3 + SCREEN_WIDTH * (\2) + (\1)]
|
|
endc
|
|
ENDM
|
|
|
|
|
|
bgrows EQUS "* $20" ; SCREEN_WIDTH
|
|
|
|
hlbgcoord EQUS "bgcoord hl,"
|
|
debgcoord EQUS "bgcoord de,"
|
|
bcbgcoord EQUS "bgcoord bc,"
|
|
|
|
bgcoord: MACRO
|
|
IF _NARG >= 4
|
|
ld \1, \3 bgrows + \2 + \4
|
|
ELSE
|
|
ld \1, \3 bgrows + \2 + VBGMap0
|
|
ENDC
|
|
ENDM
|