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Date   : Wed, 07 Oct 1998 09:29:43 +0000
From   : Mike_Tomlinson@...
Subject: Re: Acorn database

--0__=rtRPBccrXIBycv0jmyHZjr1xBIgzobpDhGTqWYS54wcwh5pHZYExw3sS





It's probably reading the OS version using a *FX0 and expecting to see
OS1.20.

Tell him to try booting the Database disc with Ctrl-Z-Break or
Shift-Z-Break.  I seem to remember an addendum
to the 1770 DFS manual regarding improved compatability with the 8271 disc
controller when those keys are held during boot; one of the effects of this
was also to make the machine report a 1.20 OS to any *FX0 calls to improve
software compatability.  (As he has a B+, he should have 1770 DFS.)

I also seem to remember there was another method of determining the OS
release (apart from *FX0) but cannot remember what it was.  Some very
naughty software looked for the text string "BBC Computer 16K32K" at $&c304
in OS 1.2.

Mike   (who's rapidly forgetting most of his BBC tweaks, hints and tips)





                                                                  
 (Embedded                                                        
 image moved   Mike Mallett <mike.mallett@...>           
 to file:      07/10/98 00:09                                     
 pic15779.pcx)                                                    
                                                                  



To:   bbc-micro@...
cc:    (bcc: Mike Tomlinson/MP/Rockliff)
Subject:  [BBC-Micro] Acorn database




A friend was running this (it is the original Database not the later
Viewstore) on a BBC B until it expired.

He has now tried to run this on a B+ (64k) but it is throwing up an error
message saying it 'not a BBC'.

Any ideas ?

--
Mike Mallett                mike.mallett@...               Reading, UK




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--0__=rtRPBccrXIBycv0jmyHZjr1xBIgzobpDhGTqWYS54wcwh5pHZYExw3sS--
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