Date   : Wed, 26 Sep 2001 19:53:19 +0200
From   : "Mark Usher" <mu.list@...>
Subject: Re: [RE] BBC B+ 128 question.

You can use CTRL-Z-BREAK to put the DFS in 8271 compatability mode.

Mark


> -----Original Message-----
> From: owner-bbc-micro@...
> [mailto:owner-bbc-micro@...]On Behalf Of Victor Rozanov
> Sent: 26 September 2001 18:58
> To: bbc-micro@...
> Subject: [BBC-Micro] [RE] BBC B+ 128 question.
>
>
> Gordon,
>
> Thank you for your help.
> I have ROMs with OS 1.20 and old Basic.
> I tried them in B+ but the result is the same or almost the same.
> What I can imagine is that some games touch the memory areas where
> the additional memory registers located and corrupt their state.
> Another posibility is the 1770 DFS 2.22.  According to my knowledges
> the BBC B had 8271 controller and it was the different DFS for that.
> That DFS used much less system memory for its work. And one more thing.
> I think the jumpers on the keyboard mean something when the game is trying
> to recognize what type of computer it is. May be I am wrong. These are
> only my guesses about the issue.
> That is why I am looking for some more documentation  related to that
> or the person who can answer my questions.
>
> Thank you for your support and help again.
> If you have some more ideas of what else it might be
> I would really appreciate for any info.
>
> Regards,
>
> Victor.
>
>
>