[Coco] Last video I promise... :)

[Luis Antoniosi (CoCoDemus)]

Haha, I'm from Montreal area, but I don't have time now to go there.
Finishing the game for christmas, I work even on Sundays.

Luis Felipe Antoniosi



On Sat, Nov 29, 2014 at 6:51 PM, Steven Hirsch <snhirsch at gmail.com> wrote:

> On Fri, 28 Nov 2014, Luis Antoniosi (CoCoDemus) wrote:
>
>  The customization is about the front porch, the code now is pretty stable
>> to be generic. But yours seem to work. Steven Hirsch had to change on him.
>> He didn't report about noise. So I can't tell if is a particularly from
>> yours or if this board has indeed noise. Until my mules decide to cross
>> the
>> border I can't help you on this.
>>
>
> Are you experiencing the legendary efficiency of Canada Post?  If you're
> in the Montreal area, you could have driven down to Burlington, VT and
> picked up one of mine :-).  Still can, if you like!
>
> I see some noise and instability on the Coco 3 display for about a minute
> after I power up the board, then it cleans up and is fine from that point
> on.  Something, somewhere is heating up and slowing down?
>
>  BTW, Steven has found out theat the correct values for the sync resistors
>> are 47 ohms instead of 82. I doubt this could be the source of problem.
>>
>
> For me, that was an all-or-nothing issue.  With the 82-ohm resistors many
> of my monitors failed to recognize they were being driven.  I suspect that
> almost anything between 47 and 68 ohms would be fine.
>
>  You don't need the LM1881, the 680K and the 2 caps if you're not planning
>> to connect any other computers on it.
>>
>> The scalines help improve the colors. You may turn them on, use a dip
>> switch. I have changed the dip switches, the scanline is now the label
>> shrink.
>>
>
> The scanlines are my favorite bit :-).  I bought a little gadget last year
> that injects scanlines into a VGA monitor and found that it made almost all
> classic computer displays look nicer.
>
> Steve
>
>
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>
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