Re: composite on 8032...

From: André Fachat <afachat_at_gmx.de>
Date: Wed, 14 Sep 2016 21:48:49 +0200
Message-ID: <1572a3e9ce8.2813.b4d1f2b66006003a6acd9b1a7b71c3b1@gmx.de>
It may still be a matter of timing. I found modern monitors not always 
working with Commodore signals

André


Am 14. September 2016 21:35:16 schrieb didier derny <didier@aida.org>:

> Hi,
>
> I tried, with a large range of capacitor...
> I get roughly 2 cases
>
> 1/ the image is unstable...
> 2/ the image is stable
>       but when the image is stable, I always have 6/7 columns missing on
> the left...
>      the value of the capacitor does not change the number of missing
> characters...
>
> all the converted I tried have the same problem with the same number of
> columns missing
>
> On 14/09/2016 05:06, William Levak wrote:
>>
>> You need to change the capacitor on your hoizontal sweep frequency.
>>
>>
>> On Fri, 9 Sep 2016, didier derny wrote:
>>
>>> I tried to get a composite signal
>>>
>>> with this schematics:
>>> http://www.6502.org/users/andre/hwinfo/crtc/comp_pucoe_v1.0c-sch.png
>>> and this rom: edit-4-80-b-50Hz.901474-04_.bin
>>> <http://www.zimmers.net/anonftp/pub/cbm/firmware/computers/pet/edit-4-80-b-50Hz.901474-04_.bin>
>>>
>>> I get an image a little bit blurry, but a part is missing
>>> I only see:
>>> MODORE BASIC 4.0 ***
>>> BYTES FREE
>>>
>>> this part is missing:
>>> *** COM
>>> 31743
>>>
>>> any idea to get the rest ?  I used the right rom ?
>>> I choosed it from an excel file I found on the web
>>>
>>> thanks
>>>
>>> --
>>> didier
>>>
>>>
>>>
>>>
>>>
>>
>> wlevak@sdf.lonestar.org
>> SDF Public Access UNIX System - http://sdf.lonestar.org
>>
>>       Message was sent through the cbm-hackers mailing list
>
>
>        Message was sent through the cbm-hackers mailing list



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Received on 2016-09-14 20:00:59

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