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Re: DGR...

On Tuesday, November 13, 2012 9:27:52 PM UTC-6, gid...@sasktel.net wrote:
> On Tuesday, November 13, 2012 9:16:05 PM UTC-6, Steve Nickolas wrote:
> 
> > I've been working on a project and the biggest problem I seem to be 
> 
> > running into is getting DGR (80x48) mode to work properly.  (My current 
> 
> > approach, in CC65, since I really need to keep my code small and don't yet 
> 
> > know enough to do it in ASM, is to use a function with a lot of inline 
> 
> > asm.  But this itself doesn't seem to quite work right.)
> 
> 
> 
> > The reason for the DGR is it's the easiest way I could think of to 
> 
> > generate graphics at the oddball resolution of 64x32.
> 
> 
> 
> 
> 
> Are the routines for the Plot command in the $F800 monitor not already programmed into CC65.  They work with Dbl lo-res graphics.
> 
> 
> 
> Rob

Do they?  Do you have to flip 80STORE for odd/even columns?  I remember using ampersand routines for double-lores graphics in the 90's.  I might still have them somewhere.

I can help with the asm if you can send me specs (though don't expect a fast turnaround -- I have a lot of fires going).

-B