[iyonix-support] Re: Corrupted display using RISCOS 5.12 and FX5200 card
- From: JayCee <jaygcee@xxxxxxxxxxxx>
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Sat, 28 Oct 2006 21:00:30 +0100
In message <150f077d4e.dougjwebb@xxxxxxxxxxxxxxx>
Doug Webb <doug.j.webb@xxxxxxxxxxxxxx> wrote:
> In message <7631037d4e.druck@xxxxxxxxxxxxxxxx>
> "David J. Ruck" <druck@xxxxxxxxxxxx> wrote:
>
>> On 28 Oct 2006 Doug Webb <doug.j.webb@xxxxxxxxxxxxxx> wrote:
>>> I upgraded to RISCOS5.12 but did not upgrade to a FX5200 card until
>>> today. I now notice screen corruption if I try to use certain games
>>> like StarFighter and !TwinWorld. The screen seems to have alternative
>>> columns of unaligned graphics.
>>>
>>> After consulting with Chris Brazley and did a further test and found
>>> that I can induce the same effect by selecting Mode13. If you grab the
>>> screen in !Paint and then change back to the normal mode you can
>>> restore the corruption. Also if you view the saved Mode13 screen shot
>>> it appears Ok so it does point to something being amiss.
>>
>> Its something up with the horizontal pixel doubling that has to be done to
>> display such a low horizontal resolution mode on a modern graphics card.
>>
>> Cheers
>> ---Dave
>>
> Hi,
>
> Well after some experiments I have got it to display ok in 320X256
> mode 13. It appears that their is a difference with the new cards
> ability to display things and by altering the monitor definition file
> it now displays OK in Mode13. Starfighter now display OK and though I
> had to alter Twinworld to use 320X480@75hz to work Ok as the automode
> selection still causes a problem.
>
> I have a HannG model supplied by Castle so I wonder if the they have
> updated their MDF's to take into account FX5200 card differences?
>
> Doug
>
Is it possible for an average user to make TwinWorld work, and if so
can you tell me how to do it?
--
JayCee
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