agreed, super cool.. i just ordered one of these boards Greg
On Thu, Apr 16, 2020 at 7:09 AM Brian White <[email protected]> wrote: > this is really cool > > bkw > > On Thu, Apr 16, 2020, 8:47 AM Stephen Adolph <[email protected]> wrote: > >> next update: >> I have a beta version of the VT100 driver working now. It's pretty neat >> to have a modern display hanging off of the M100! >> The current version works with the "stock VT100 adapter" with a few >> issues. What needs to happen next is a software load for the VT100 adapter >> that provides a few extra commands that the M100 needs. >> >> The VT100 driver works just like Microsoft Disk Basic, in that it >> integrates with the M100 OS to enable direct access to an external CRT. >> >> cheers >> Steve >> >> >> >> >> >> On Tue, Apr 14, 2020 at 10:44 AM Stephen Adolph <[email protected]> >> wrote: >> >>> update: >>> Towards the goal of a next-generation video solution for M100, I have >>> some progress to share. >>> Recall this thread where I suggest that the "Geoff VT100 adapter" as the >>> hardware to focus on. >>> >>> First, I have a "beta" VT100 driver solution, which is closely based on >>> Microsoft Disk-Basic (minus the disk stuff). >>> While still buggy, I can now drive the VT100 board, and attached VGA >>> monitor from BASIC. >>> >>> Secondly, in order to really support M100, the software component in the >>> VT100 emulator board needs to be extended. I'm working on that. This does >>> imply that the "Geoff VT100" board, as it was originally designed, won't >>> work perfectly for M100. But, I'll post the updated software image so >>> anyone with this board already can update their board. >>> >>> I'll keep posting updates as this progresses. >>> >>> Steve >>> >>> >>> On Sun, Apr 5, 2020 at 8:41 AM Stephen Adolph <[email protected]> >>> 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 >>>> >>>> >>>>
