			I/O PORT ASSIGNMENT TABLE

Port No.	I/O	Product		Function
-------------------------------------------------------------------
  00		in	TU-ART, 4FDC	Uart status (Multi-User User 1)
  00		out	TU-ART, 4FDC	Uart baud rate
  01		in/out	TU-ART, 4FDC	Console data
  02		out	TU-ART, 4FDC	Uart command register
  03		in	TU-ART, 4FDC	Interrupt address
  03		out	TU-ART, 4FDC	Interrupt mask
  04		in/out	TU-ART, 4FDC	Parallel 8 bit I/O
  05		out	TU-ART, 4FDC	Interval timer register 1
  06		out	TU-ART, 4FDC	Interval timer register 2
  07		out	TU-ART, 4FDC	Interval timer register 3
  08		out	TU-ART, 4FDC	Interval timer register 4
  09		out	TU-ART, 4FDC	Interval timer register 5
  0E		in	DAZZLER		Frame and line info
  0E		out	DAZZLER		On/off and memory area
  0F		out	DAZZLER		Resolution, B&W or Color, etc.
  18		in	D+7A		Parallel input (Joystick Pushbuttons)
  18		out	D+7A		Parallel output
  19		in/out	D+7A		Joystick 1, X-AXIS input, Speaker output
  1A		in/out	D+7A		Joystick 1, Y-AXIS input, Analog output
  1B		in/out	D+7A		Joystick 2, X-AXIS input, Speaker output
  1C		in/out	D+7A		Joystick 2, Y-AXIS input, Analog output
  1D		in/out	D+7A		Analog I/O
  1E		in/out	D+7A		Analog I/O
  1F		in/out	D+7A		Analog I/O
  20		in	TU-ART		Multi-User 2
  30		in	4FDC		Disk status
  31		in/out	4FDC		Interrupt mask
  32		in/out	4FDC		Disk sector
  33		in/out	4FDC		Disk data
  34		in	4FDC		Disk flags
  34		out	4FDC		Disk control
  40		out	4KZ,16KZ..	Bank select
  50		in	TU-ART		Multi-User 3
  5X		in/out	TU-ART		Recommend second I/O (same as 00-09)
  54		out	TU-ART		CDOS Line Printer (optional)
  54		in/out	PRI		CDOS Dot Matrix Line Printer
  5A		in/out	PRI		CDOS Daisy-wheel printer Handshake/Data
  5B		out	PRI		CDOS Daisy-wheel printer Data
  5C		out	PRI		CDOS Daisy-wheel printer Control
  60		in	TU-ART		Multi-User 4
  70		in	TU-ART		Multi-User 5
  80		in	TU-ART		Multi-User 6
  90		in	TU-ART		Multi-User 7
  FF		in/out	Z1		Sense switches/Front pannel lights
