|Re: HP-71B HP-il device operation in loop.|
Message #3 Posted by Tony Duell on 2 Aug 2001, 2:26 p.m.,
in response to message #1 by John LaRock
There is a special HPIL manual for the HP71. It's the 'HP-IL Interface Owner's Manual for the HP-71'. The one I have here is part number 82401-90001
Section 3 of this manual covers 'Mass Storage Operatios', which includes things like the tape drive (I can confirm that the 82161 tape drive will work with an HP71).
But here's a little information to get started. To format the tape (equivalent to NEWM on the HP41), you use the INITIALIZE command. Soething like INITIALISE MYTAPE:MASSMEM. The 'MYTAPE' is the volume name (and is optional), the 'MASSMEM' specifies the device you want to use -- in this case the first (or only) MASS MEMory device on the loop.
An HP41 formatted tape is fine too, and you can use the same tape to store files from both the th HP41 and the HP71 (and an HP75 if you have one of those). Now, suppose you have a program in memory called 'GAME1' that you want to save to tape under the name 'TTT'. Just type
COPY GAME1 TO TTT:MASSMEM (this is roughly the equivalent of the WRTP command on the HP41, except that it works with all types of files (text, data, sdata, basic, etc, not just basic programs).
To load the program back in again, you just use the COPY command again :
COPY TTT:MASSMEM TO PROG will load the program back in and call it 'PROG'. To see what's on the tape (the equivalent of DIR on the HP41), use CAT :MASSMEM .
There are a lot of other commands, of course, but that should get you started. Actaully, a lot of the cammands are the obvious extensions of the HP71's RAM filesystem commands.