3.9.32 Emulator Board and Host Communications

osReadHost - Read data from the host.
osWriteHost - Write data to the host.
osTestHost - Get the data transfer state from the host.
uhCloseGame - Close the data communication facility between the host (Indy) and the emulator board.
uhOpenGame - Open the data communication facility between the host (Indy) and the emulator board.
uhReadGame - Read data from the game to send it to the host (Indy).
uhReadRamrom - Read data from RAMROM.
uhWriteGame - Write data from the host (Indy) to the game.
uhWriteRamrom - Write data to RAMROM.