Re: [cc65] c64 kernal 02 vs. 03

From: Groepaz <>
Date: 2009-09-25 17:09:10
On Freitag 25 September 2009, Ullrich von Bassewitz wrote:
> Hi!
> On Fri, Sep 25, 2009 at 12:28:18AM +0200, Thomas Giesel wrote:
> > Did anybody notice problems with conio and c64 kernal 901227-02?
> > My program works with kernal 03, but not with the older version.
> Didn't kernal 03 fix an initialization problem with the screen? The
> background color wasn't correctly set, so that characters poked to the
> screen were invisible? If this is true, then it is obvious why conio won't
> work correctly.

yes, old kernals fill the colorram with the value taken from $d021, new 
kernals fill it with the value from $0286.


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Received on Fri Sep 25 17:09:29 2009

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