macros/const.asm


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; Enumerate constants

const_def: MACRO
IF _NARG >= 1
const_value = \1
ELSE
const_value = 0
ENDC
IF _NARG >= 2
const_inc = \2
ELSE
const_inc = 1
ENDC
ENDM

const: MACRO
\1 EQU const_value
const_value = const_value + const_inc
ENDM

shift_const: MACRO
\1 EQU (1 << const_value)
const_value = const_value + const_inc
ENDM