Here's about all I can do in 1 hour. I do have a life after all. I use have used Eagle since 3.xx and will until I can master Kicad.
Here is a partial redraw of the mess. Please look at some YouTube videos for the proper way to draw a schematic.
you can see the start of a bus being drawn (blue line). i don't want to go further.
It should give a clue as to how long (using Eagle) to redraw it.
Dave... Eagle is not hard to master IF: you don't try to use it as Altium.
The Eagle GUI is all I use, dumbed down to a ver 3.xx view.
And now a preview of our main attraction:
Yes it is an open sore not a source.