rgbds/test/asm/def.asm

def variable = 1
	println variable
def variable = 2
	println variable
redef variable = 3
	println variable
redef variable = 4
	println variable

DEF constant EQU 42
	println constant

DEF string EQUS "here"
	println "{string}"

rsreset
def _x rb
def _y rw 2
def _z rl
def _size rb 0
	println "{_x} {_y} {_z} {_size}"

def constant equ 6*7 ; fails
	println constant

redef string equs "there"
	println "{string}"

redef constant equ 6*9
	println constant

old_constant EQU 42
old_string EQUS "hello"

old_variable = 2 + 2
old_variable += 3
old_variable *= 4
old_variable -= 1
old_variable /= 5
old_variable %= 7
old_variable &= $ffff
old_variable |= %1010
old_variable ^= &123
old_variable <<= 2
old_variable >>= 1

old_byte rb
old_word rw
old_long rl