Re: ZoomFloppy - formatting a disk in a 2031 disk drive

From: And Fachat <afachat_at_gmx.de>
Date: Fri, 11 May 2018 14:55:02 +0200
Message-ID: <1634f44d870.27e0.b4d1f2b66006003a6acd9b1a7b71c3b1@gmx.de>
Am 11. Mai 2018 14:36:55 schrieb Mia Magnusson <mia@plea.se>:


>> But back to the 2031 problem, IIRC I had no problems running my
>> XD2031 firmware tests with all IEEE drives _but_ the 2031 in VICE.
>> That were a lot of factors - emulation, my test cases etc but my
>> preliminary conclusion was to actually decide there is some
>> difference in the 2031 that breaks the usual drive-related code. IIRC
>> it was doubted here and I understand it, I would have doubted this
>> conclusion from someone else either I guess. Due to time constraints
>> I decided not to investigate further, just see this discussion
>> ringing a bell here
>
> Are there any people around who has made the german magazine 64er
> modification for a 1541 to become a 2031lp?

Yes in fact I have made it. Never had any problems. But the 64er modified 
the ROMs such that they only changed the 1541 IEC routines to IEEE, but not 
all of the ROMs. So it is more of a modified 1541.

> Or do we even know if this problem only affects the "high profile" 2031
> or does it also affect the 2031lp (1541 style case)?

I now do have a 2031lp but not much time right now. So I haven't checked it.

> Btw it
> would be nice to make a 2.0 version of this mod which includes the
> ability to switch back to 1541 mode.

Indeed.

André
Received on 2018-05-11 15:03:21

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