BitBltSimulation>>copyLoop, read ahead memory failure.
John M McIntosh
johnmci at smalltalkconsulting.com
Fri Oct 13 05:10:09 UTC 2006
On 12-Oct-06, at 9:50 PM, Andreas Raab wrote:
> Yes, it has always been that way. copyLoop reads one word after the
> end of the bitmap. It's never used but it'll attempt to touch the
> - Andreas
Ok, well should it read ?
"This last section, if used, requires masking of the destination
(nWords > 1 and: [(preload and: [i=bbH]) not]) ifTrue: 
where we check preload and if the i value is equal to the height we
don't do the prefetch?
Does that sound reasonable?
John M. McIntosh <johnmci at smalltalkconsulting.com>
Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com
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