Hi Andrew, I found these books to be very helpful:
Inside the Model 100, by Carl Oppendahl And Hidden Powers of the TRS-80 Model 100 by Christopher Morgan Both can be found online if you search. Sent from my iPhone > On Oct 2, 2023, at 6:28 PM, Andrew <keepe...@cox.net> wrote: > > That's definitely an interesting setup; not the craziest "computer in a > briefcase" config - but certainly intriguing! If I had the money and didn't > think my wife would kill me, I'd have probably bid on it, or BIN'd it - > maybe. Too late now (I wonder why the seller pulled it?)... > > The question would be if the interface boards and/or the software could be > figured out, so it wouldn't just be another "dust collection device"...heheh > > One thing I did find curious about it (and I chalk it up to my limited > knowledge of the M100, hardware and software, plus not being able to see > exactly where that rainbow ribbon cable goes) - is how output and input is > being done? > > If it's using the "parallel port" (IIRC, the M-100 does have one?) - I > thought that was "output only"? Or is it (in some manner) connected to the > bus? I don't have an M-100 easily nearby to look - I can't remember if the > bus is brought out to a connector on the rear, or the bottom? If at all... > > Regardless (and I'm not trying to thread-jack), what would be a good resource > (hardware and software) to learn/understand how to use the M-100 for I/O > purposes? > > Andrew L. Ayers > Glendale, Arizona > phoenixgarage.org > github.com/andrew-ayers
