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  • ZXI standard
    ...ULA alone uses 32768 ports (every even port). It is worth noting that the Timex clones do fully decode the I/O ports.
    5 KB (848 words) - 14:15, 26 January 2022
  • Memory paging
    * built in MMU logic (e.g. 128K, +2, Timex machines)
    11 KB (1,974 words) - 15:08, 20 May 2021
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