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Thread: Whats the bare minimun to boot DOS?

  1. #21


    I've always been intrigued with the idea of making a console/serial port compatible DOS where video memory was checked against a copy of it to note what was changed and the appropriate characters were sent to bring a terminal screen up to date.

  2. #22
    Join Date
    Jan 2007
    Pacific Northwest, USA
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    Back in the early 80s, a friend and I actually came up with an ISA card that has not only the memory, but a Z80 with DART and peripherals. It allowed for sharing a VT100-ish terminal screen between a MDA video PC and a remote mainframe. Even emulated the XT keyboard from the terminal. Still have the card and the firmware that I wrote.


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