== U82536 CIO (equivalent to Zilog Z8536 CIO) ==
* [[CIO Overview]]
* [[CIO Usage in KC Compact]]
* [[CIO Registers (Summary)]]
* [[CIO Registers (Detailed)]]
The CIO chip is a Counter and I/O chip. In the KC compact system it is used to generate interrupts, access to the parallel printer port, and possibly video control.