pokecrystal-board/macros/const.asm
vulcandth 3648afda16
RGBDS syntax updates (#905)
New MACRO and DEF syntax
2022-06-06 17:25:42 -04:00

49 lines
744 B
NASM

; Enumerate constants
MACRO const_def
if _NARG >= 1
DEF const_value = \1
else
DEF const_value = 0
endc
if _NARG >= 2
DEF const_inc = \2
else
DEF const_inc = 1
endc
ENDM
MACRO const
DEF \1 EQU const_value
DEF const_value += const_inc
ENDM
MACRO shift_const
DEF \1 EQU 1 << const_value
DEF const_value += const_inc
ENDM
MACRO const_skip
if _NARG >= 1
DEF const_value += const_inc * (\1)
else
DEF const_value += const_inc
endc
ENDM
MACRO const_next
if (const_value > 0 && \1 < const_value) || (const_value < 0 && \1 > const_value)
fail "const_next cannot go backwards from {const_value} to \1"
else
DEF const_value = \1
endc
ENDM
MACRO rb_skip
if _NARG == 1
rsset _RS + \1
else
rsset _RS + 1
endc
ENDM