The PETSCII code Commodore International used for their 8-bit systems is probably unique among post-1970 codes in being based on ASCII-1963, instead of the more common ASCII-1967, such as found on the ZX Spectrum computer.
ðə pˈɛtsɪˌaɪ kˈoʊd kˈɑːmədˌoːɹ ˌɪntɚnˈæʃənəl jˈuːzd fɔːɹ ðɛɹ ˈeɪtbˈɪt sˈɪstəmz ɪz pɹˈɑːbəbli juːnˈiːk ɐmˌʌŋ pˈoʊst nˈaɪntiːnhˈʌndɹɪd sˈɛvənti kˈoʊdz ɪn bˌiːɪŋ bˈeɪst ˌɔn ˈæski nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː, ɪnstˈɛd ʌvðə mˈoːɹ kˈɑːmən ˈæski nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɛvən, sˈʌtʃ ɐz fˈaʊnd ɔnðə zˌiːˈɛks spˈɛktɹəm kəmpjˈuːɾɚ.