Re: DRAM refresh

From: Segher Boessenkool <*segher_at_kernel.crashing.org*> Date: Sat, 15 Oct 2016 02:38:13 -0500 Message-ID: <20161015073812.GA1197@gate.crashing.org> · segher_at_kernel.crashing.org

On Fri, Oct 14, 2016 at 12:33:24PM -0500, Segher Boessenkool wrote:
> On Fri, Oct 14, 2016 at 12:39:09PM +0200, Gerrit Heitsch wrote:
> > On 10/14/2016 12:20 PM, Hegedűs István wrote:
> > >Yes. It was a surprise for me also. Indeed it rolls over inside the
> > >visible screen area several times, however there is a forced clear in
> > >scan line 0 thus the refresh is uneven. Some rows get more refresh.
> > 
> > Now we only have to find out if VIC does the same which would mean they 
> > just took that block from VIC when making TED.
> 
> AFAIR the VIC-II row counter for refresh is free-running.  I'll have
> a look later.

It is reset at the end of the frame, actually.

Segher

       Message was sent through the cbm-hackers mailing list