|Opens the given device special file
|Closes the given file descriptor
|Reads n-byte of data from the game and copy it to the memory region beginning at addr specified address.
|Copies n-byte of data from the host (beginning at a specified address) to the game
|Copies n-byte of data from the ramrom memory beginning with addr
|Writes n-byte from data to the ramrom memory beginning with addr
|Uses PARTNER to load and execute a 64 game
|Issues the various types of commands that can be used with PARTNER