.TITLE	IOPAGE - Device common for top 4Kw I/O memory page
	.IDENT	/072285/
;
;+
;	IOPAGE.MAC - Assemble and link as a position dependent
;	 common library, and install the task image as a device
;	 common partition to allow non-privileged tasks to map
;	 to the hardware I/O page.  No global symbols are defined
;	 and the ulitmate task images using this device
;	 common must use APR7 biased addressing, eg. 160000-177776.
;
;	ASSEMBLE:
;		MAC IOPAGE[,listfile]=IOPAGE
;
;	TASK BUILD:
;		TKB
;		TKB>IOPAGE/-HD,[mapfile],IOPAGE=IOPAGE
;		TKB>/
;		ENTER OPTIONS:
;		TKB>STACK=0
;		TKB>PAR=IOPAGE:7600:200
;		TKB>//
;
;	USAGE:
;		TKB
;		TKB>file,file=file
;		TKB>/
;		ENTER OPTIONS:
;		TKB>...
;		TKB>COMMON=IOPAGE:RW:7
;		TKB>...
;		TKB>//
;	
;-
	.PSECT	IOPAGE,RW,D,GBL,REL,OVR
	.BLKW	4096.
	.END