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Thread: MAI Basic Four anyone?

  1. #11
    Join Date
    Sep 2006
    Location
    Silicon Valley
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    1,223

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    Quote Originally Posted by ard View Post
    The 1200 series were not developed by basic four, they bought it from microdata.
    talk to Jim Stephens. he hangs out on cctlk

  2. #12

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    Have you imaged the roms? I'd love an image to run on the Microdata 1600. Also a disk image would be useful of course.

    I have (with help from Richard Swingwood) an emulator that runs the Microdata 1621, which is the base of the 1200 instruction set.

    the firmware + disassembly that is above would be great to have, as I can run with disassembly, possibly also at the macro level.

    thanks
    Jim

  3. #13

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    Hello,
    I have a Basic Four 7250 terminal. I want to use it as dumb terminal for my Linux workstation but the optional lower case display ROM is missing.
    Do someone have such a ROM or at least a BIN so I can write it by my self or know where to get it?
    Any help is welcome.

  4. #14
    Join Date
    Mar 2006
    Location
    Salt Lake City, UT, USA
    Posts
    128

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    I have a Basic Four terminal in the museum that I think is a 7250, but it's been a while since I looked at its model plate. It hasn't risen to the top of my evaluate/refurb/repair stack, so I do not know if it has lower case or not.

    It is in this photo:
    http://computergraphicsmuseum.org/wp...03/wall-16.jpg
    Row 2 from the top, left side.

  5. #15
    Join Date
    Jan 2007
    Location
    Pacific Northwest, USA
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    There's some MAI Basic 4 stuff here, including some tape images.

  6. #16

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    Ours is a 7270, and it has lower case capability. Is yours the older blue one?

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