Steven Hirsch | 18 Sep 18:06 2014
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Re: No pixel wasted

On Wed, 17 Sep 2014, Luis Antoniosi (CoCoDemus) wrote:

> I reduced the speed from 229Mhz to 114Mhz, the SDRAM works better now:
>
> http://imgur.com/MY0ExuW
>
> It also fixed the artifact in coco1/2 graphics screen.
>
> But for coco3 games like roboco, thexder I still get some minor flickering
> in some areas. Like it generates those video modes with a slightly
> different pixel clock ? I have a 1986 GIME only.
>
> All the other resolutions are pixel perfect: 32, 40, 80 columns, pmode 1,
> 2, 3 and 4.

I am utterly disinterested in gaming, but would really like a stable 
80-col solution.  Let us know when the design is finalized?

Steve

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Bill Pierce via Coco | 18 Sep 14:47 2014

Looking for Rainbow On Tape


I'm looking for Rainbow On Tape from June 1984 and December 1983. As a matter of fact, some of 1983 and most of
1984 tapes are missing from the archives, so if anyone has any of them and would like to upload them, I can get
them into the archives.

 
Thanks.

Bill Pierce
"Today is a good day... I woke up" - Ritchie Havens

My Music from the Tandy/Radio Shack Color Computer 2 & 3
https://sites.google.com/site/dabarnstudio/
Co-Webmaster of The TRS-80 Color Computer Archive
http://www.colorcomputerarchive.com/
Co-Contributor, Co-Editor for CocoPedia
http://www.cocopedia.com/wiki/index.php/Main_Page
E-Mail: ooogalapasooo@...

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Kandur | 18 Sep 04:33 2014

Synergy on raspbian Coco emulator?

Is anybody using Synergy on Raspbian with a Coco emulator?
https://learn.adafruit.com/downloads/pdf/synergy-on-raspberry-pi.pdf 

Kandur

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Brian Goers | 18 Sep 04:10 2014
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Coco Emulators on Smart Phones

Is there an App to run CoCo emulators on a smart phone?
I don't remember anyone talking about it.
Is it even possible and not mess up the phone?
Would it be limited to a Windows phone?

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Re: No pixel wasted

I'm curious why you chose those frequencies. Are they used to sync. with some
other timing in the design? Without seeing the design, I would agree that the
229MHz clock would be too fast. I'm actually surprised that it worked at all.
Most 133Mhz chips will run up to 200Mz or so but that overclocking is well out
of range. Unless you found a faster part. I would also be curious what part you
are using if it's spec'ed faster than 200MHz.

On September 17, 2014 at 9:26 AM "Luis Antoniosi (CoCoDemus)"
<retrocanada76@...> wrote:
> I reduced the speed from 229Mhz to 114Mhz, the SDRAM works better now:
>
> http://imgur.com/MY0ExuW
>
> It also fixed the artifact in coco1/2 graphics screen.
>
> But for coco3 games like roboco, thexder I still get some minor flickering
> in some areas. Like it generates those video modes with a slightly
> different pixel clock ? I have a 1986 GIME only.
>
> All the other resolutions are pixel perfect: 32, 40, 80 columns, pmode 1,
> 2, 3 and 4.
>
>
>
> Luis Felipe Antoniosi
>
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> Coco@...
> https://pairlist5.pair.net/mailman/listinfo/coco
(Continue reading)

S Klammer | 17 Sep 18:06 2014
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Re: No pixel wasted

I'm looking forward to this potentially becoming a product.  I'll verify;
but, I believe that I have an 87 GIME in my CC3 if you'd like someone to
test (Toronto area).

Shain
On Sep 17, 2014 9:26 AM, "Luis Antoniosi (CoCoDemus)" <
retrocanada76@...> wrote:

> I reduced the speed from 229Mhz to 114Mhz, the SDRAM works better now:
>
> http://imgur.com/MY0ExuW
>
> It also fixed the artifact in coco1/2 graphics screen.
>
> But for coco3 games like roboco, thexder I still get some minor flickering
> in some areas. Like it generates those video modes with a slightly
> different pixel clock ? I have a 1986 GIME only.
>
> All the other resolutions are pixel perfect: 32, 40, 80 columns, pmode 1,
> 2, 3 and 4.
>
>
>
> Luis Felipe Antoniosi
>
> --
> Coco mailing list
> Coco@...
> https://pairlist5.pair.net/mailman/listinfo/coco
>
(Continue reading)

Luis Antoniosi (CoCoDemus | 17 Sep 15:26 2014
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No pixel wasted

I reduced the speed from 229Mhz to 114Mhz, the SDRAM works better now:

http://imgur.com/MY0ExuW

It also fixed the artifact in coco1/2 graphics screen.

But for coco3 games like roboco, thexder I still get some minor flickering
in some areas. Like it generates those video modes with a slightly
different pixel clock ? I have a 1986 GIME only.

All the other resolutions are pixel perfect: 32, 40, 80 columns, pmode 1,
2, 3 and 4.

Luis Felipe Antoniosi

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Bill Nobel | 17 Sep 05:12 2014
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Drivewire Nitros9 HD

Hi guys,  I am wanting to move my vhd using emudsk to Drivewire. It is 96mb in size now, what should I be changing
in the /x1descriptor to meet that size?  Should it be cyl or sid in dmode or both?

/x1 is where I am going to put the HD, but renamed to /dd.  I want to centralize for multiple machines and reduce
boot file size.

Bill Nobel

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Robert Gault | 16 Sep 15:16 2014
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Converting MC-10 Basic to Coco Basic

I saw that an MC-10 program was recently uploaded to the
http://www.colorcomputerarchive.com/ with an interesting name, SwelFoop; 
actually Swell Foop aka Fell Swoop. I just had to look at that game. :)

Well the upload was in .c10 format which when changed to .cas did load into 
MESS. However as the tokens for MC-10 Basic don't match those for Coco Basic the 
results were not useful. I did find an MC-10 emulator into which the game loaded 
correctly. I then printed it to a PC file which was loaded into MESS as an asci 
Basic file.
The game with LIST was almost correct with a few strange results.

It seems that MC-10 Basic permits placing low res graphic characters directly 
into PRINT"" statements without using CHR$(). When the program was LISTed in the 
MC-10 emulator the PRINT statements displayed the graphic characters. When 
LISTed on a Coco, you got PRINT <at> T+32,"";. The content did not display even 
though the data could be seen when the program was examined on disk.

I can't even guess how such data was entered into those PRINT statements.

Anyway, I've uploaded a Coco version of the game to the archive.

Robert

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farna | 16 Sep 14:17 2014

(no subject)

Date: Mon, 15 Sep 2014 21:43:42 +0200
From: Tormod Volden <lists.tormod@...>

On Mon, Sep 15, 2014 at 8:55 PM, Frank Swygert  wrote:
>
> Nick, that's just the FPGA chip, no board. They sell for about that
price at
> Digi-key and Mouser here in the US. Looks like a surface mount chip, so it
> would be hard to solder into anything at home.

No, that's the complete board. Add 4 AUD for shipping. Search for
EP2C5T144 on eBay.
======================================================

I just googled the number, didn't check e-bay. Nice little board! Solves
the problem of soldering a surface mount chip, but would need another
board with all the peripheral circuitry. Could be a viable option though,
as everything can be made with discrete components that are easily
soldered in.

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Retro Canada | 16 Sep 13:49 2014
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Rgb2vga improvements

the key to success is being stubborn. knowledge comes with trial and error...

http://www.youtube.com/attribution_link?a=IR5bsy_prFY&u=/watch%3Fv%3DYE3aWBlRVwU%26feature%3Dem-upload_owner

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Gmane