[Coco] No pixel wasted

[Kandur]

You are absolutely right Luis.
That's why I'm still looking for a better solution than the GBS board.
Alas, my construction years have gone a long time ago, must buy something
that is ready to use. The GBS board for OS-9 80 column text display
isn't excellent, but satisfactory with an LCD monitor.
BTW, you are creating an amazing product!

Kandur

Wednesday, September 17, 2014, 10:11:16 AM, you wrote:
> I'm not targeting any cost right now. I will make this open so anyone can
> build one.

> I'm trying to acquire the knowledge and be free from any other vendor.

> I have one of these cheap GBS8xxx board and this is the reason i'm doing
> one myself. You get what you paid for. In this case this mean poor image.

> It's enough for OS-9 80 columns but awful for any action scrolling game.
> Try playing the Moon Rover game and look at the ground scrolling...



> Luis Felipe Antoniosi



> On Wed, Sep 17, 2014 at 12:48 PM, Kandur <k at qdv.pw> wrote:

>> If it will be less expensive then what I bought,
>> http://tinyurl.com/q3qkhka then I'd buy one too.
>> Any ballpark idea price wise?

>> Kandur

>> Wednesday, September 17, 2014, 9:06:27 AM, you wrote:
>> > 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 at gmail.com> 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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