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Contended I/O: Difference between revisions
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Created page with "When the Z80 wishes to access an IO port, it places the port address on the address bus exactly as it does when accessing memory. On the 48K and 128K Spectrums, this causes d..."
(Created page with "When the Z80 wishes to access an IO port, it places the port address on the address bus exactly as it does when accessing memory. On the 48K and 128K Spectrums, this causes d...") |
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