>Is there any demo code available for a simple tile engine? Manuel, As you know I'm working on something similar, though it's a ways off (ideally I'd like a complete tile and sprite engine, but we'll see...). However, since you're presumably already familiar with the way the 7800 handles graphics (ie: DLLs) character mode is pretty straightforeward. Myself, I just used Eckhard's Pokey demo as template (because it prints a bunch of text) and went from there. It's really pretty simple if you've already got the basics of DLL's and DL's. Chris...