Trying to identify this mod/bodge on an Atari 800

[mudmin]

I have an atari 800 that had a switch with the wires broken just under the cartridge cover and a pushbutton on the right side panel. I'm trying to figure out if this is a repair or some sort of freeze/reset mod.
The 2 wires on the first pic go to the button on the side.
The wires on the chip near the cartridge port have some going to a chip on the underside and some look like they used to be going to the switch. Any thoughts?

 

[ClausB]

Looks like it might be a circuit to make upper RAM write-only, to simulate ROM and defeat cartridge copy protection.

 

[mutt-gutt]

never seen a cartridge that had copy protection in the day the just relied on not many people being able to burn the chips in the cart maybe a switcher to enable ram in the rom locations
did you mean make ram read only as write only would be usless