error: non-numeric-symbol.asm(4):
    'mac' is not a numeric symbol
error: non-numeric-symbol.asm(5):
    'mac' is not a numeric symbol
error: non-numeric-symbol.asm(6):
    'mac' is not a numeric symbol
error: non-numeric-symbol.asm(9):
    'mac' is not a numeric symbol
error: non-numeric-symbol.asm(10):
    'mac' is not a numeric symbol
error: non-numeric-symbol.asm(11):
    'mac' is not a numeric symbol
error: Assembly aborted (6 errors)!