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x-kicad-pcb - 68.81 kB - 11/09/2019 at 14:00 |
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x-kicad-schematic - 4.82 kB - 11/09/2019 at 14:00 |
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Timer Retrofit For Z80 SBCs
Quite a few simple Z80 SBC systems don't have a timer interrupt or clock of any kind. CP/M 2.2 after all didn't need one.