Before revision: The registers at addresses 16384 (0x4000) through 24575 (0x5FFF) are essentially like data RAM, but they are also designated for use by a built-in screen I/O subsystem.
After revision: hi hi CJ hfThe registers at addresses 16384 (0x4000) through 24575 (0x5FFF) are essentially like data RAM, but they are also designated for use by a built-in screen I/O subsystem.