[rescue] Microcontrollers and terminals

[Lionel Peterson]

There's also a lot of chatter about using a propeller microcontroller to
generate high-res (relatively speaking) graphics for Z80 and other home brew
dingle board computers...

Ken

> On Nov 15, 2021, at 17:01, Richard <legalize at xmission.com> wrote:
>
> o;?In article <58d94479-8db5-c433-1b3f-741dee558949 at 661.org>,
>    David Griffith <dave at 661.org> writes:
>
>> With the talk about microcontroller-powered terminals, I figured I'd look
>> at this again.  I have two boards and built one.  The one I built one and
>> wasn't that impressed.  What I really want is something that can produce
>> full color VGA and perhaps SVGA.  What I've seen so far only does
>> monochrome VGA.  This would allow more fun with ReGIS and Sixel graphics.
>> The big trick seems to be that most microcontrollers seem incapable of
>> bitbanging full color.
>
> Take a look at the Raspberry Pi Pico.  It has dedicated PIO units that
> relieve the processor of low-level bitbanging and plenty of people
> have demonstrated color VGA output using these units.  People have
> also successfully generated HDMI output from the pico.
>
> The Pico costs ~$4.
> --
> "The Direct3D Graphics Pipeline" free book
<http://tinyurl.com/d3d-pipeline>
>            The Terminals Wiki <http://terminals-wiki.org>
>     The Computer Graphics Museum <http://ComputerGraphicsMuseum.org>
>  Legalize Adulthood! (my blog) <http://LegalizeAdulthood.wordpress.com>
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