> ----------  Forwarded Message  ----------
> Subject: Re: CDR, CD-Rom with MSX question
> Date: Sat, 4 Nov 2000 17:12:34 +0000
> From: Maarten ter Huurne <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
>
<cut>
> What kind of partition table does a BERT interface use?

I'm not sure about that. I made some BERT-partitionized ZIPdisks with my
ZIPdrive connected to MSX, then I placed the ZIP in my PC. At first I was
happy because I was able to read the first partition. Then somehow I got the
brilliant idea to assign three drive-characters to the same ZIP-disk, which
allowed me to use the first two partitions in W98. About the last partition
i don't know.

> In Linux you can mount a file using the block loop device, meaning you can
> read and write in a disk image as if it were a directory. You could use
that
> to make the images for the individual partitions.

Hmm. I don't have linux (yet) but I can ask someone with Linux. Or does
someone know if there's no W98 or DOS program able to fix this.

> Making the final CD-ROM image is something you probably have to do
manually.
> You could create a partition table using a hex editor and then concatenate
> the partition table and all the partitions into one big file, which is the
> CD-ROM image.

Hmm.. let's see if i got you correct:
So you suggest that I should make a file which contains concatenated binary
copies of the files I want to put on my disc .
Then I should create in a hex-editor a BERT-partition table _however it
might look like_.  It's almost for sure that the beginning and the end (or
the length) must be specified in the table. Then i should figure out these
values so that they are at the start of new files. This binary file then
should be concatenated to the file containing the software I want on CD.

Did I understand you correct?

> There may be another problem: it's not sure the BERT interface (or rather
its
> disk ROM) will allow you to use partitions from CD-ROM. CD-ROM sectors are
> 2048 bytes in size, while harddisk sectors are 512 bytes.

You've got a point there, I didn't knew about that. To access a CD-ROM i
need the programs ccd.com (to enter a directory), ccopy.com (to copy files
from CD-ROM to eg Harddisk) and cdda.com (to start/stop/.../pause an
audio-CD)
I always thought that they were only necessary to deal with the
FAT12-problem.

Or does the fact that the BERT supports a CD-ROM drive tell enough about
dealing with the different sector size?

Does someone have information on the BERT partition table and/or sector
size?

Grtz,
Siebe -today subscribed to this mailinglist- Berveling



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