I need to understand how to code and simple why. I appreciate that.

Assembly language and 3 questions:

1- Write an assembly language instruction that togglrs the bits of port address 300H continuosly by sending 55H and AAH to the port address.

2- Write an assembly language instruction to get an 8-bit data from port address 300H and sends it to port address 302H.

3- Write an assembly language instruction to place the status of port 60H in CH.