;I/O primitives jump table
	CSEG	0FC00H
	ORG	03000H

BOOT		EQU	$ + 00	;Bootstrap loader

SIO_IN		EQU	$ + 05	;Serial Input - wait if chr not ready
SIO_OUT		EQU	$ + 10	;Serial Output - wait if tx buf not empty
SIO_IN_STAT	EQU	$ + 15	;Serial Input status
SIO_OUT_STAT	EQU	$ + 20	;Serial Output status

PRNTR_ST	EQU	$ + 25	;Printer status routine
PRNTR_OUT	EQU	$ + 30	;Printer wait & output routine

FLOP_SET	EQU	$ + 35	;Floppy parameter initialization
FLOP_ALL	EQU	$ + 40	;Floppy start & continue til finished
FLOP_START	EQU	$ + 45	;Floppy start activity
FLOP_CONT	EQU	$ + 50	;Floppy continue activity
FLOP_ABORT	EQU	$ + 55	;Floppy abort

HDSK_ALL	EQU	$ + 60	;Hard disk command which returns when ready
HDSK_START	EQU	$ + 65	;Hard disk command initiate
HDSK_CONT	EQU	$ + 70	;Hard disk status and continue routine
HDSK_ABORT	EQU	$ + 75	;Hard disk abort
HDSK_SIZE	EQU	$ + 80  ;return size of hard disc

GET_SWITCH	EQU	$ + 85	;Get system byte