mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
125 lines
1.5 KiB
NASM
125 lines
1.5 KiB
NASM
; Value macros
|
|
|
|
percent EQUS "* $ff / 100"
|
|
|
|
; Constant data (db, dw, dl) macros
|
|
|
|
dwb: MACRO
|
|
dw \1
|
|
db \2
|
|
ENDM
|
|
|
|
dbw: MACRO
|
|
db \1
|
|
dw \2
|
|
ENDM
|
|
|
|
dbbw: MACRO
|
|
db \1, \2
|
|
dw \3
|
|
ENDM
|
|
|
|
dbww: MACRO
|
|
db \1
|
|
dw \2, \3
|
|
ENDM
|
|
|
|
dbwww: MACRO
|
|
db \1
|
|
dw \2, \3, \4
|
|
ENDM
|
|
|
|
dn: MACRO ; nybbles
|
|
rept _NARG / 2
|
|
db ((\1) << 4) | (\2)
|
|
shift
|
|
shift
|
|
endr
|
|
ENDM
|
|
|
|
dc: MACRO ; "crumbs"
|
|
rept _NARG / 4
|
|
db ((\1) << 6) | ((\2) << 4) | ((\3) << 2) | (\4)
|
|
shift
|
|
shift
|
|
shift
|
|
shift
|
|
endr
|
|
ENDM
|
|
|
|
dx: MACRO
|
|
x = 8 * ((\1) - 1)
|
|
rept \1
|
|
db ((\2) >> x) & $ff
|
|
x = x + -8
|
|
endr
|
|
ENDM
|
|
|
|
dt: MACRO ; three-byte (big-endian)
|
|
dx 3, \1
|
|
ENDM
|
|
|
|
dd: MACRO ; four-byte (big-endian)
|
|
dx 4, \1
|
|
ENDM
|
|
|
|
bigdw: MACRO ; big-endian word
|
|
dx 2, \1
|
|
ENDM
|
|
|
|
dba: MACRO ; dbw bank, address
|
|
rept _NARG
|
|
dbw BANK(\1), \1
|
|
shift
|
|
endr
|
|
ENDM
|
|
|
|
dab: MACRO ; dwb address, bank
|
|
rept _NARG
|
|
dwb \1, BANK(\1)
|
|
shift
|
|
endr
|
|
ENDM
|
|
|
|
dba_pic: MACRO ; dbw bank, address
|
|
db BANK(\1) - PICS_FIX
|
|
dw \1
|
|
ENDM
|
|
|
|
dbpixel: MACRO
|
|
if _NARG >= 4
|
|
; x tile, x pxl, y tile, y pxl
|
|
db \1 * 8 + \3, \2 * 8 + \4
|
|
else
|
|
; x, y
|
|
db \1 * 8, \2 * 8
|
|
endc
|
|
ENDM
|
|
|
|
dsprite: MACRO
|
|
; y tile, y pxl, x tile, x pxl, vtile offset, flags, attributes
|
|
db (\1 * 8) % $100 + \2, (\3 * 8) % $100 + \4, \5, \6
|
|
ENDM
|
|
|
|
menu_coords: MACRO
|
|
; x1, y1, x2, y2
|
|
db \2, \1 ; start coords
|
|
db \4, \3 ; end coords
|
|
ENDM
|
|
|
|
bcd: MACRO
|
|
rept _NARG
|
|
dn ((\1) % 100) / 10, (\1) % 10
|
|
shift
|
|
endr
|
|
ENDM
|
|
|
|
sine_table: MACRO
|
|
; \1 samples of sin(x) from x=0 to x<32768 (pi radians)
|
|
x = 0
|
|
rept \1
|
|
dw (sin(x) + (sin(x) & $ff)) >> 8 ; round up
|
|
x = x + DIV(32768, \1) ; a circle has 65536 "degrees"
|
|
endr
|
|
ENDM
|