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'[OT] Text mode possible ? 80x25'
2007\01\05@112531 by Dumitru Stama

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Hi guys,
I read about generating TV signals using a pic and i saw it can be
really tricky since i need a lot of speed and this is not something
you get when buying a microcontroller. Is it possible however to use
textmode like 80x25 using a VGA connector ? What do i need for this to
work ?

2007\01\05@141654 by Vasile Surducan

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www.rickard.gunee.com/projects/video/pic/gamesys.php

On 1/5/07, Dumitru Stama <spam_OUTlistTakeThisOuTspammirosat.com> wrote:
>
> Hi guys,
> I read about generating TV signals using a pic and i saw it can be
> really tricky since i need a lot of speed and this is not something
> you get when buying a microcontroller. Is it possible however to use
> textmode like 80x25 using a VGA connector ? What do i need for this to
> work ?
>
> -

2007\01\05@223603 by Richard Prosser

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There was a recent circuit cellar article - free to download - that
did this using an M16 micro.

RP

On 06/01/07, Vasile Surducan <.....piclist9KILLspamspam@spam@gmail.com> wrote:
{Quote hidden}

2007\01\08@042323 by Alan B. Pearce

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> I read about generating TV signals using a pic and i saw it can be
> really tricky since i need a lot of speed and this is not something
> you get when buying a microcontroller. Is it possible however to use
> textmode like 80x25 using a VGA connector ? What do i need for this to
> work ?

I haven't actually tried to do it (yet) but I believe it could be done using
a dsPic. My expectation is to use a colour burst crystal as the clock, and
then internal multiply probably by the maximum, then use the internal timers
for generating sync, or the CCP module to sync to external signals, and the
SSP to send out the dot stream.

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