/******************************************************************************
*           Change Log
*   Date    |
*-----------+------------------------------------------------------------------
* 22-Dec-94 | [1.600J] JRJ Created io.h to hold io related data.
******************************************************************************/

extern boolean io_index_inhibit;/* True if % in first char of A addr */
extern int io_device;		/* Second char of A addr if % is first */
extern int io_unit;		/* Third char of A addr if % is first */