RE: Hacking 1764 RAM expansion to 512KB
Date: 2002-03-27 07:46:13

  • Next message: Marko Mäkelä: "Re: Hacking 1764 RAM expansion to 512KB"
    >I'm surprised: In,
    >I see U18 as 27128/27256 EPROM. Although I have programmed a REU before and
    >read the user's manual, I did not know that there is an EPROM socket 
    >inside a REU! 
    >What is it used for?
    KeyDOS is the only thing I know to use it.
    I've got ideas of implementing RAMDOS into it and piggybacking it with a
    6264 SRAM chip @DE00 so that no C64/128 memory is lost. Ultimately it will
    be a poor-man's RAMLINK if coupled with expansion to 2MB and a battery. The
    EPROM maps to the standard cart location.
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