.MCall	.Module
.Module	KedLow RELEASE=V02 VERSION=12 COMMENT=<Low memory part of KEX>,IDENT=NO,AUDIT=NO

; Copyright (c) 1998 by Mentec, Inc., Nashua, NH.
; All rights reserved
;
; This software is furnished under a license for use only on a
; single computer system and  may  be  copied  only  with  the
; inclusion of the above copyright notice.  This software,  or
; any other copies thereof, may not be provided  or  otherwise
; made available to any other person except for  use  on  such
; system and to one who agrees to these license  terms.  Title
; to  and  ownership of the software shall at all times remain
; in Mentec, Inc.
;
; The information in this document is subject to change without
; notice and should not be construed as a commitment by Digital
; Equipment Corporation, or Mentec, Inc.
;
; Digital and Mentec  assume  no  responsibility for the use or
; reliability of its software on equipment which is not supplied
; by Digital  or Mentec,  and listed  in the  Software  Product
; Description.
;
;MODULE:	KEDLOW
;
;ABSTRACT:
;
;	This module together with the XHANDL overlay handler is the 
;	low memory root for RT-11 KEX.  All other modules make up
;	the one high memory virtual overlay for KEX.
;
.SbTtl	Definition of virtual root

	.MCall	.QElDf
	.MCall	PSect	......		; KedMac.MLb

.SbTtl	Define symbols

	.QElDf				;Define queue element offsets
	NQueEl	==:	2		;Number of queue elements
	.CDfn	=:	15		;Code for .CDfn request

.SbTtl	Virtual job definition

.Asect
.=44
	.Word	2000			; Virtual bit

.SbTtl	Low memory KEX

PSect	LOWCOD

	.Globl	KedStr			;KED/KEX Start address

KexStr::				;~x~
	Jmp	KedStr			;~x~
	..............

.SbTtl	Area for low memory data

PSect	LOWDAT

MtQue::	.BlkW	Q.ELgh/2*NQueEl		;~d~
Channl::				;~d~
	.BlkW	22.*5.			;~d~Use our own channels so we don't 
CDfnBk::.Byte	0,.CDfn			;~d~destroy the chaining programs 
	.Word	Channl			;~d~channels (BASIC-Plus)
	.Word	22.			;~d~

.SbTtl	Area for fetches

LowSpc::				;~d~ start of area for .FETCHes
	.End	KexStr