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PICList Thread
'[PIC] Any guides on video'
2005\10\25@024506 by kravnus wolf

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www.xgamestation.com/view_product.php?id=29


WOW! How do we get a PIC to display video on the
monitor or tv? Any hints???? ;)

Thanks,
John Chung


               
__________________________________
Start your day with Yahoo! - Make it your home page!
http://www.yahoo.com/r/hs

2005\10\25@031004 by Tony Smith

picon face
> http://www.xgamestation.com/view_product.php?id=29
>
>
> WOW! How do we get a PIC to display video on the
> monitor or tv? Any hints???? ;)
>
> Thanks,
> John Chung


Have a look for PIC PONG on Google.  If you're thinking of something
better than that, you'll either need a better PIC (much much faster) or
some sort of a video chip, look for Character Generator chips while you're
at it.

Interestingly, video games is how PIC (Microchip) got started.

Tony


2005\10\25@034735 by Wouter van Ooijen

face picon face
> Have a look for PIC PONG on Google.  If you're thinking of something
> better than that, you'll either need a better PIC (much much
> faster)

That sounds like the perfect job for an SX (a bit dumb compared to
modern PICs, but still blazingly fast for simple operations).

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu


2005\10\25@040636 by David P Harris

picon face
kravnus wolf wrote:

>http://www.xgamestation.com/view_product.php?id=29
>
>
>WOW! How do we get a PIC to display video on the
>monitor or tv? Any hints???? ;)
>
>Thanks,
>John Chung
>
>
>                
>__________________________________
>Start your day with Yahoo! - Make it your home page!
>http://www.yahoo.com/r/hs
>  
>
There's an AVR project which does 20x20 chars terminal to PAL/VGA at
http://www.avrfreaks.net/

... should give you an idea of what's possible.  SX is best as its clock
speed is 80MHz.

David

2005\10\25@114134 by Mario Mendes Jr.

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face

> Interestingly, video games is how PIC (Microchip) got started.

Care to share more about what you know of this?  Sounds like a really
interesting story to me.

-Mario

2005\10\25@150637 by Peter

picon face


On Tue, 25 Oct 2005, Mario Mendes Jr. wrote:

>> Interestingly, video games is how PIC (Microchip) got started.
>
> Care to share more about what you know of this?  Sounds like a really
> interesting story to me.

The PIC was invented by GI (General Instruments) who are better known as
the makers of AY3-8500 (num?), the greatest pong etc game chip there
ever was.

Peter

2005\10\25@182328 by James Humes

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The extreme game machine from above uses an SX processor (like Wouter said).
Also, the guy whose name I can't remember.. rickard gunnee sounds right..
made a pic based video game that ran tetris in black and white. He then
switched to the SX and now does everything in color.
Oh, here.. I googled it for you..
http://www.rickard.gunee.com/projects/
This looks like it has everything and more that you'd need to get started.
James

On 10/25/05, Peter <spam_OUTplpTakeThisOuTspamactcom.co.il> wrote:
{Quote hidden}

>

2005\10\25@221838 by kravnus wolf

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Thanks for the info guys

Regards,
John

--- James Humes <.....james.humesKILLspamspam@spam@gmail.com> wrote:

{Quote hidden}

2005\10\26@023908 by William Chops Westfield

face picon face

On Oct 25, 2005, at 1:07 PM, Peter wrote:

> The PIC was invented by GI (General Instruments) who are better known
>  as the makers of AY3-8500 (num?), the greatest pong etc game chip
>  there ever was.

Uh.  Yeah.  Was the pong chip a micro-controller-like thing, or an
analog beast?  My brother and I built an analog pong game based on
plans in Pop Electronics way back when.  It was ... very educational.

BillW

2005\10\26@052315 by Robert Rolf

picon face
William Chops Westfield wrote:

>
> On Oct 25, 2005, at 1:07 PM, Peter wrote:
>
>> The PIC was invented by GI (General Instruments) who are better known
>>  as the makers of AY3-8500 (num?), the greatest pong etc game chip
>>  there ever was.
>
>
> Uh.  Yeah.  Was the pong chip a micro-controller-like thing, or an
> analog beast?  My brother and I built an analog pong game based on
> plans in Pop Electronics way back when.  It was ... very educational.

Analog. Nearly all discrete circuitry. Ramp generators at H & V rates.
Integrators. Comparators with knob as one inputs. Monostables.
I still have an ancient Atari? Pong around here somewhere.

Built one in the mid '80s using 556's 339's and 558's into a box the
size of a deck of cards.

Robert


2005\10\26@151840 by Peter

picon face

On Tue, 25 Oct 2005, William Chops Westfield wrote:

> On Oct 25, 2005, at 1:07 PM, Peter wrote:
>
>> The PIC was invented by GI (General Instruments) who are better known
>>  as the makers of AY3-8500 (num?), the greatest pong etc game chip
>>  there ever was.
>
> Uh.  Yeah.  Was the pong chip a micro-controller-like thing, or an
> analog beast?  My brother and I built an analog pong game based on
> plans in Pop Electronics way back when.  It was ... very educational.
>
> BillW

Afaik the AY3-8500 was a bucketfull of NMOS logic with some dodgy analog
parts built with NMOS gates thrown in (4 potentiometer interfaces
probably using monostables). I had a game that used this chip. Of course
I took it apart to see what's inside. The circuit was very simple, a
single sided phenolic board with a few jumpers and resistors and caps
and a modulator. It ran off 9V at about 150mA (the whole game including
modulator) and had 6 games afair. It was by Magnavox afair.

A long time ago I had a book about building video games using small
transistorised modules (you got to build the modules of course).
Flipflops, monostables, and and xor gates, and synchronised sawtooth
generators + comparators to make the 'paddles' and so on. And some
really clever tricks to implement ball bouncing from walls and paddles.
That was only BC547 transistors and resistors and capacitors. It was not
so hard (noninterlaced b/w picture of course).

Peter

2005\10\28@171251 by ru12 (sent by Nabble.com)

flavicon
face


kravnus wolf wrote:
>
> How do we get a PIC to display video on the
> monitor or tv? Any hints???? ;)
>

http://www.dontronics.com/micro-lcd.html
http://www.dontronics.com/micro-vga.html

--
Sent from the MicroControllers - PIC forum at Nabble.com:
www.nabble.com/-EE-Video-over-long-distance-t432873.html#a1265194

2005\10\31@112120 by Maarten Hofman

face picon face
> WOW! How do we get a PIC to display video on the
> monitor or tv? Any hints???? ;)

I don't have any hints that aren't mentioned in this list already, but
I am working on my own Drake hand held game system, which also has
video output. It can play various games already, like "Perilous
Swamp", something that looks like pacman and a meteor evasion game.
Some information is available on http://jen.mosha.net/PIC/ and
https://sourceforge.net/projects/drake-devkit (includes a screen shot
of the pacman game).

Greetings,
Maarten Hofman.

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