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  • * TTL
    2 KB (256 words) - 18:53, 6 September 2022
  • - 7430 TTL
    14 KB (2,234 words) - 12:57, 28 February 2021
  • The last board revision has a custom chip instead of the TTL logic and often but not always a mask ROM instead of the eprom. There have
    19 KB (3,091 words) - 23:18, 6 September 2022