[Coco] What are you using for your CoCo 1/2 display
Zippster
zippster278 at gmail.com
Tue Nov 25 10:08:42 EST 2014
I’m using a Composite board I put together based on the
well known MC6847 data sheet circuit right now.
I copied the circuit from the CoCo2 factory composite board,
which has a more involved circuit, and a little bit better output.
It also uses the channel switch for B&W - Color modes (looks like
it disables the clock input to the 1372 to achieve that).
I’m waiting on boards from OSHPark. It will be a RF modulator replacement
just as the factory board.
Also working on a component board for the 6847, though I’ve been
tied up making CoCo SDC’s for a while.
I have some ideas starting to brew of a VGA board using a CPLD and
MCU similar to Koichi Nishida’s Apple 2 VGA adapter.
- Ed
> On Nov 25, 2014, at 8:28 AM, Louis Ciotti <lciotti1 at gmail.com> wrote:
>
> What is everyone using for a display on a CoCo 1/2. The CoCo 3 at least
> has the RGB output, and Luis and other have converter to VGA for that, but
> the CoCo 1/2 users are left to a hack for composite output or a TV. I at
> one time thought I could find a 4:3 LCD TV, but those appear to be
> impossible to find. I am using my only remaining CRT TV a 13" job that
> works, but a larger display would be nicer.
>
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