cos_table:
    dw 255, 250, 236, 212, 180, 142, 98, 50
sin_table:
    dw 0, -50, -98, -142, -180, -212, -236, -250
    dw -255, -250, -236, -212, -180, -142, -98, -50
    dw 0, 50, 98, 142, 180, 212, 236, 250
    dw 255, 250, 236, 212, 180, 142, 98, 50
