org 0x400 VAR1 = 1 assert VAR1 == 1 VAR1 = 3 assert VAR1 == 3 macro stuff VAR2 = VAR1*3 if VAR2 == 9 db VAR1, VAR2 else db VAR2, VAR1 endif endm stuff (void) VAR1 = 4 stuff (void)