[iyonix-support] Re: Lazy Task Swapping on Iyonix/RISC OS 5.11

In message <Marcel-1.53-0622090115-b49pErr@xxxxxxxxxxxxxxxxxxxxxx>
          Chris Evans <chris@xxxxxxxxxxxxxxx> wrote thus:

> On Wed 21 Jun, Eddie Lord wrote:
>> 
>> In message <4499668D.4070008@xxxxxxxxxxxxx>
>>           Andrew Hodgkinson <ahodgkin@xxxxxxxxxxxxx> wrote thus:
>> 
>> > Paul Vigay wrote:
>> > 
>> >>> backdrop corruption:  Is this only seen on pinboards that use a picture
>> >>> as backdrop ..
>> >> 
>> >> I guess I could run the machine with no pinboard for a little while (or a
>> >> plain grey [built-in] one.

[snip]

>> > If the problem was corruption of screen RAM directly, wiping other
>> > windows over the area would solve it. Other windows would be affected
>> > too, since screen RAM has no "knowledge" of where windows start or end.
>> > The fact that the incorrectly redrawn region is confined specifically to
>> > the Pinboard sprite in the Pinboard window (in the visible case)
>> > indicates a corruption of Pinboard's work area alone.
>> 
>> Interesting comment there. I quite often get a problem where I have to
>> 'wipe' a window around to clear part of the screen. To be specific, if
>> I hi-light a lot of text with the curser, for instance, sometimes this
>> hi-light does not disappear when clicking elsewhere, hence the wiping.
> 
> That doesn't sound like the specific problem PV is talking about, was it
> !Edit you were using as your problem sounds like the old !Edit screen
> updating problem that has been there since time immemorial!

I haven't used Edit since time immemorial:-)
No its mainly with TechWriter - but that may be because that's what I 
use most. However, your comment is quite right - it may not be 
connected to PVs problem - but it's still a pita.

-- 
Best Regards
Eddie
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