Re: Software to write files into D80/D82 images

From: william degnan <billdegnan_at_gmail.com>
Date: Mon, 27 Nov 2017 16:46:03 -0500
Message-ID: <CABGJBucoZ6bL2fOL-f9GvC2_3igEap92TPY2F4VYLVkxSd7Ayg@mail.gmail.com>
On Mon, Nov 27, 2017 at 4:29 PM, Michał Pleban <lists@michau.name> wrote:

> Michał Pleban wrote:
>
> > Could the error be caused by creating the initial disk on a 8250
> > switched into 8050 mode, as opposed to a "real" 8050? Or by
> > pre-allocating some sectors in the BAM?
>
> I did some checks and it is definitely a bug in c1541. The following
> commands exhibit the error:
>
> c1541 -format test,01 d80 tmp.d80
> c1541 tmp.d80 -write boot.prg boot
> c1541 tmp.d80 -write 6509.prg 6509
> c1541 tmp.d80 -write 8088.prg 8088
>
> The third file is corruped - when trying to read it later in c1541, it
> gives the error "Track 0, Sector 0 our of bounds" and the drive hangs
> when reading this. The error starts exhibiting itself when the combined
> files on the disk reach certain number of blocks (it happens when the
> third file has 7 blocks or 14 blocks, but not when it has 1 block).
>
> The problem disappears when the image type is changed to D82.
>
> Regards,
> Michau.
>
>
>
>
>        Message was sent through the cbm-hackers mailing list
>

As soon as I have a free moment I will download the files and make a copy
locally so I can test MS DOS.  Very excited to give it a try.
Unfortunately I have a lot of other work to get through first.  Later
tonigh hopefully.

I am even happy to generate disks for people if need be, I have the
hardware here.  I use Zoom Floppy works fine.

Bill


       Message was sent through the cbm-hackers mailing list
Received on 2017-11-27 22:01:22

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