This is very interesting Steve! I’ve never used CP/M on my M100. But I was intrigued when you said your eventual hope, was to have it work natively.
I certainly would be interested in that if and when it came along! Wishing you the best of luck on this! Sent from my iPad > On 5 Apr 2020, at 3:04 pm, Randy Kindig <randall.kin...@gmail.com> wrote: > > That’s fabulous Steve! Count me in on one of those devices! > > Randy Kindig > > Sent from my iPhone > >>> On Apr 5, 2020, at 8:41 AM, Stephen Adolph <twospru...@gmail.com> wrote: >>> >> >> As some of you may recall, it is fairly straightforward to access an 80x24 >> screen in CP/M through the use of the M100 serial port, and an external >> VT100 emulator. >> >> This device: >> http://geoffg.net/terminal.html >> >> is a great example of how to connect a modern VGA flat screen display to the >> M100. However, this exact design isn't really convenient, as the serial >> data has to be connected with a custom cable. (see the little white 4 pin >> header). >> >> I've decided to make a variant of this design that has a DB-9 connector on >> it, for serial data, so that it can be easily connected to the M100. >> >> I'll be making kits available for this design, and the price will be 30$ US. >> Hopefully by making this affordable and easier to connect, this can become >> the defacto solution to 80x24 display! >> >> This solution will work with CP/M right away, but the next task will be - >> how to use this solution with Model T natively. This will take some >> software work. A port of the "DVI software" to leverage serial >> communication to the VT100 adapter is one way to do this. >> >> This solution is also compatible with the "BCR serial port" modification >> which allows for serial data transmission at up to 120kbits/sec. A nice >> solution to exernal video that frees up the real RS-232 port of the laptop >> for comms. >> >> I'll be updating the REX wiki with some information on this. Kits aren't >> ready just yet. I'm waiting for my boards to arrive. >> >> cheers >> Steve >> >>
