pokecrystal-board/macros/scripts/oam_anims.asm
2023-09-24 14:21:42 +02:00

41 lines
663 B
NASM

; Battle and sprite OAM animations
MACRO oamframe
db \1 ; duration
DEF x = \2
assert !(x & (1 << (OAM_X_FLIP + 1) | 1 << (OAM_Y_FLIP + 1))), \
"oamframe duration overflows into X/Y flip bits"
if _NARG > 2
rept _NARG - 2
DEF x |= 1 << (\3 + 1)
shift
endr
endc
db x ; flags
ENDM
const_def -1, -1
const oamend_command ; $ff
MACRO oamend
db oamend_command
ENDM
const oamrestart_command ; $fe
MACRO oamrestart
db oamrestart_command
ENDM
const oamwait_command ; $fd
MACRO oamwait
db oamwait_command
db \1 ; frames
ENDM
const oamdelete_command ; $fc
MACRO oamdelete
db oamdelete_command
ENDM
DEF FIRST_OAM_CMD EQU LOW(const_value + 1)