I did that on my PET 2001 after I added 16K of memory, since the screen was only 1K in size it was easy to rewrite the screen in assembler each time. Problem I

I did that on my PET 2001 after I added 16K of memory, since the screen was only 1K in size it was easy to rewrite the screen in assembler each time. Problem I tried do more than two frames and the fickler was too much to watch.