Re: Another Q regarding SHR on IIGS...
- From: Rob Greene <nospam-greener@xxxxxxxxxxx>
- Date: Sun, 24 Jul 2005 05:13:45 GMT
Rob Greene <nospam-greener@xxxxxxxxxxx> wrote in
news:Xns969CF15B75AEgreenercharternet@xxxxxxxxxxxxx:
> What's weird is that this program has worked and the image looks
> great, but it most of the time doesn't work. When it doesn't work,
> the image appears to be present in parts, but the colors aren't
> correct and pieces of the image seem to be in the wrong places.
>
> I'm just using $00:C029 and flipping bit 7 and 6 to turn on the
> screen. Are there other switches I need to be aware of?
Oh duh, I didn't set C029 _before_ copying the data. According to Apple
Assembly Line, that means the memory is not accessed linearly. (See
http://bobsc5.home.comcast.net/aal/1987/aal8707.html.)
Well, it's worth a try!
-Rob
.
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