	.TITLE ADSTRT - START AD15 CONVERSIONS.
/ 
/ 
/                   FIRST PRINTING, FEBRUARY 1974
/ 
/ THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO 
/ CHANGE WITHOUT NOTICE AND SHOULD NOT BE CONSTRUED
/ AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
/ DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPON-
/ SIBILITY FOR ANY ERRORS THAT MAY APPEAR IN THIS
/ DOCUMENT.
/ 
/ THE SOFTWARE DESCRIBED IN THIS DOCUMENT IS FUR-
/ NISHED TO THE PURCHASER UNDER A LICENSE FOR USE ON
/ A SINGLE COMPUTER SYSTEM AND CAN BE COPIED (WITH
/ INCLUSION OF DIGITAL'S COPYRIGHT NOTICE) ONLY FOR 
/ USE IN SUCH SYSTEM, EXCEPT AS MAY OTHERWISE BE PRO-
/ VIDED IN WRITING BY DIGITAL.
/ 
/ DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPONSIBILITY
/ FOR THE USE OR RELIABILITY OF ITS SOFTWARE ON EQUIP-
/ MENT THAT IS NOT SUPPLIED BY DIGITAL.
/ 
/ COPYRIGHT (C) 1974, BY DIGITAL EQUIPMENT CORPORATION
/ 
/ 
        .EJECT
/COPYRIGHT 1971, DIGITAL EQUIPMENT CORP.,MAYNARD, MASS.
/W.A. DESIMONE.
/EDIT 001 11-12-71
/
/CALLING SEQUENCE:	CALL ADSTRT(LUN,IEV)
/
/	JMS*	ADSTRT
/	JMP .+3		/SUBR. RETURN.
/	ADDR. OF LUN.
/	ADDR. OV EV	/OPTIONAL
/	NEXT INSTR.
/
/ADSTRT(LUN,IEV) - QUEUE ADSTRT I/O REQUEST TO INITIATE AD15 I/O.
/ITS IS ASSUMED THAT AD15 HANDLER TASK LINK TABLE TABLE HAS
/BEEN SET UP VIA CALLS TO ADSSET AND ADRSET.  COMPLETION OF I/O
/IS DETERMINED BY EXAMINATION OF EV'S OF ADRSET AND ADSSET REQUESTS,
/NOT THE ADSTRT EV.
/
/
	.EJECT
	.GLOBL ADSTRT,.DA
/
ADSTRT	0		/SUBR. ENTRY.
	JMS*	.DA
	JMP	ARGEND
LUN	0		/ADDR. OF LUN.
EV	0		/ADDR. OF EV.
ARGEND	LAC*	LUN
	DAC	CPB2
	LAC	EV
	DAC	CPB1
	DZM	EV	/REINIT.
	CAL	START
	JMP*	ADSTRT	/EXIT
/
/ADSTRT CPB.
START	300		/FUNCT. CODE.
CPB1	0		/EV.
CPB2	0		/LUN.
	.END
