Hey Rob,
Understood on the price point. I was digging into that LCD a bit more
to find documentation and I found a different site that has this same
module but with a SPI or parallel interface (instead of MIPI). Probably
a parallel 8080 interface version would be the way to go, with or
with
Ken,
That all sounds really promising. I will order one or two of those screens
for a mockup. I will meet with the engineer who will help with the housing.
I will draw it today or tomorrow in CAD and work with him to refine it. I
might as well dimension it for that screen. The only question is abo
Rob,
Also, finding a large format 240x64 LCD is near impossible. I found
some that are 5" diagonal, but compared to the 8" diagonal on the Model
100, this is still pretty small. For a modern update (i.e. Model 401),
you would probably want to to with something like this full color LCD
and t
Hi Britt,
Thanks!
The other idea besides putting this into an FPGA would be to make a real
live ASIC!!! There is an old 130nm process that Skywater and Google
have made open-source and Google has funded several multi-project-wafer
(MPW) shuttle runs in conjunction with a company called Efabl
Hey Rob,
Sorry for the delayed response ... your message ended up in my SPAM
folder for some reason, along with the other responses on this thread.
I must have hit the wrong key and marked the thread as SPAM accidentally
or something.
After running my simulation yesterday and sending the em
---
>
> Message: 1
> Date: Sat, 22 May 2021 23:18:05 +0200
> From: Rob Messer
> To: m...@bitchin100.com
> Subject: Re: [M100] FPGA Model 100
> Message-ID:
>
> Content-Type: text/plain; charset="utf-8"
>
> K
The simplest implementation of 80c85 is MiniMax 8085 by Sergey Kiselev.
It has a very small amount of chips and is easy to build. It has also extension port for connecting keyboard and display.
But for ROM exist only TinyBasic and mon85
I really wish I could figure out FPGAs! I’d love to run this and make some
hybrid M100/internet thing. Have an app that would be like the TRS-80 Prodigy
or something. PCB layouts and FPGAs are way out of my wheelhouse at the moment.
Awesome work!
Sent from my iPhone
> On May 22, 2021, at 4:2
Ken,
That is awesome! I am admittedly a mechanical engineer and I took one
semester of computer engineering and VHDL programming and changed majors (I
was more of a beer drinker than D&D guy). In any event I will rope in some
colleagues and badger them with questions. Another question is whether
t
Hey Rob,
Actually, the time did finally advance. I forgot that this is a
simulation, so it takes quite a bit of real-time for even one second to
pass in the simulated design. It is up to 5 seconds now in my
simulation after about 5-6 minutes of real time.
Ken
On 5/22/21 12:44 PM, Ken Pett
Hey Rob,
I have an RTL design I worked on YEARS ago where I was trying to get the
Model 100 in an FPGA along with some extensions. It was back when there
was a lot of talk on the list about a Model 401. For those who weren't
around then or don't recall, the Model 401 was something that was
I have followed this email list for a years and I have never asked a
question...but here goes! I am sitting here with my model 100 and I had an
idea to 3D print a replica case and get my hands on an LCD and mechanical
keyboard and try to faithfully reproduce the Model 100 with simple
additions. I h
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