JPL64 Commodore 64 Emulator

I know there are lots of emulators for the 64 but I wanted
to see if my knowledge of the 64 was enough for me write one.
so here it is.
everything has been written from scratch using just my own knowledge
I have not used any work from any other. please feel free to try it and give me some feedback.
I welcome comments and improvement suggestions.
this is nowhere near as good as the mighty VICE or Hox64 (but its getting there)