yes, I am basing this off the original design not the one on Tindie. The tindie design uses new firmware, and a faster clock. Not doing that work.
On Thu, Apr 16, 2020 at 1:07 PM Mike Stein <mhs.st...@gmail.com> wrote: > Hi Steve, > > Did it ultimately end up essentially identical to the original except for > the DE-9? (The original board has a 4-pin low voltage TTL header). > > I ask because I have a few extra of the original board just in case > someone wants to do it the hard way, assuming any firmware upgrades will be > compatible. > > m > > ----- Original Message ----- > *From:* Stephen Adolph <twospru...@gmail.com> > *To:* m...@bitchin100.com > *Sent:* Thursday, April 16, 2020 12:13 PM > *Subject:* Re: [M100] Video adapter. > > regarding the kit. > The kits available don't have a convenient RS-232 connector. > I redesigned the PCB to support a DB-9 connector. If you can wait, I'll > have that ready soon. > If not, then I think you can go for Tindie ($$$) or the source that Geoff > cites on his site. > > > On Thu, Apr 16, 2020 at 12:06 PM Tom Wilson <wilso...@gmail.com> wrote: > >> >> Where did you find it, Greg? I haven’t been able to find a kit. >> >> On Thu, Apr 16, 2020 at 7:36 AM Gregory McGill <arcadeshop...@gmail.com> >> wrote: >> >>> agreed, super cool.. i just ordered one of these boards >>> >>> Greg >>> >>> On Thu, Apr 16, 2020 at 7:09 AM Brian White <b.kenyo...@gmail.com> >>> wrote: >>> >>>> this is really cool >>>> >>>> bkw >>>> >>>> On Thu, Apr 16, 2020, 8:47 AM Stephen Adolph <twospru...@gmail.com> >>>> 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 <twospru...@gmail.com> >>>>> 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 <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 >>>>>>> >>>>>>> >>>>>>> -- >> Tom Wilson >> wilso...@gmail.com >> (619)940-6311 >> K6ABZ >> >