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  • hjalfi's Avatar
    October 9th, 2019, 02:51 PM
    hjalfi replied to a thread Epson PX-8 in CP/M and MP/M
    Crazy thought: assuming the rest of the CPU's fine (the actual CPU bit works, but I don't know about the peripherals), I could patch in my own UART...
    19 replies | 2134 view(s)
  • hjalfi's Avatar
    October 9th, 2019, 02:37 PM
    hjalfi replied to a thread Epson PX-8 in CP/M and MP/M
    I dumped the ROM --- it's attached if anyone's interested. This let me use the logic analyser to trace the code. When a data byte arrives on the...
    19 replies | 2134 view(s)
  • hjalfi's Avatar
    October 7th, 2019, 12:52 PM
    hjalfi replied to a thread Epson PX-8 in CP/M and MP/M
    Remember this? I'm still working on it! I now have a pile of (cheap and nasty) tools, including a logic analyser. So far I have: - replaced the...
    19 replies | 2134 view(s)
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About hjalfi

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About hjalfi
Location:
Zürich, Switzerland

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October 16th, 2019 02:14 PM
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February 10th, 2017
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