yes. Clone probably isn't the right word either, but I don't know what is. The idea was to match, as closely as possible, the output and behaviour of a Vic20,

yes. Clone probably isn't the right word either, but I don't know what is. The idea was to match, as closely as possible, the output and behaviour of a Vic20, but not the internals. I want it to be Basic compatible, and that includes making most of the memory locations behave properly, but not machine code compatible