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From: tim@hpfcla.UUCP (tim)
Newsgroups: net.micro
Subject: Re: Orphaned Response
Message-ID: <10100004@hpfclp.UUCP>
Date: Sat, 20-Jul-85 20:46:00 EDT
Article-I.D.: hpfclp.10100004
Posted: Sat Jul 20 20:46:00 1985
Date-Received: Fri, 26-Jul-85 23:42:06 EDT
References: <11427@brl-tgr.UUCP>
Organization: Hewlett-Packard - Fort Collins, CO
Lines: 27
Nf-ID: #R:brl-tgr:11427:hpfclp:10100004:37777777600:999
Nf-From: hpfclp!tim    Jul 20 16:46:00 1985

> Does anyone out there know if digitization with the hp-75C and
> HP-7470A combination is possible or where I get information on 
> this subject?  I have read all my HP manuals and they are no help.
> 
> Larry Burgee

I am not sure about the HP75/HP-IL aspects of digitizing.  What I am using
is a 7470 (HP-IB) and a 9816 computer.  Given the nature of HP-IB and
HP-IL and the nature of 70 series and 9816 Basic - the following program
should work.  Note that although I work for HP, this is just a suggestion.

	10 OUTPUT 705;"OC;"
	20 ENTER 705;X,Y,P
	30 PRINT X,Y,P
	40 GOTO 10
	50 END

In the program you are doing a 'output commanded position' command in
line 10.  In line 20 you are reading the X and Y position and the variable
P indicates the Pen up/down status (0:up,1:down).  I tried this program
and used the 7470 cursor buttons to position the pen.  I got this information
from the 7470 manual 07470-90001 (March 1982 edition) on page 7-4.

Good luck.

Tim Mikkelsen
hplabs!hpfcla!tim