On Sun, 12 Feb 2012, Charlie wrote:
On 2/12/2012 5:00 PM, Daniel Kruszyna wrote:The Apple IIgs Hardware Reference gives a small amount of information less than a page and half including the usual table for figuring the color pattern.Hello All, Has anyone documented the method that the IIgs uses to determine color in double hires mode? A search of the archives brings up some discussion, but not any findings... -- Daniel
The Hardware Reference claims 4-bit sliding window.There's also a bit in a register controlling B&W or color mode for Double Hires.
Having said this I would like to hear of something better myself as I have struggled to understand the double hires mode.
What exactly is troubling you?