Re: How did scrolling work in Keen 4-6?
Posted on 2020-12-19, 23:42
CGA cards generally only had 16k of video memory. That's just tiny bit larger than what is needed to store one single screen of 320x200 pixels at 4 colors (or 640x200 pixels at 2 colors). 4 colors means that you need 2 bits per pixel to store that color information (2² = 4). At 320x200 pixels, that …