AVR Device
==========

- 32 I/O Adresses:
	- 0x00-0x07: Slot Device Type (R/O)

	- 0x08-0x0A: System Settings
		(- 0x08: (R/O) INT state)
		(- 0x09: (R/W) Clock speed)
		(- 0x0A: (W/O) Reset, Power-Off)
		(- ...4 more (RTC?, Timer?))
		- 0x0F: (R/W) CP/M 24K ROMDISK

	- 0x10-0x17: Serial Port
		- 0x10: (R/W) Data
		- 0x11: (R/O) Rx Buffer Fill
		- 0x12: (R/O) Rx Buffer Size
		- 0x13: (R/O) Tx Buffer Fill
		- 0x14: (R/O) Tx Buffer Size
		(- 0x15: (R/W) Settings (9600n8, INT active))
		(- 0x16: (R/W) Tx/Rx IRQ Threshold)
		(- 0x17: ???)

	(- 0x18-0x1F: ??? Timer?)