On Saturday 04 November 2000 09:58, you wrote:

> I've got a SCSI CD-romdrive connected to my MSX using a BERT
> SCSI-interface, and a CD-writer to my pc.
> Now i thought that it should be possible to create a cd-rom with 19 or 20
> partitions of 32MB, so that a MSX can boot from it or at least can have
> acces to those partitions (by using swap.com). I thought that it should be
> done by creating a disk image and then burn that image. Also software
> should be added to the image.
> But i don't know how such an image could be made. I might need a (for MSX
> terms) large HD with such a partition table, or maybe I can use an emulator
> or ???
> Does anyone here have any idea?

What kind of partition table does a BERT interface use?

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.

There are also special utilities to create an image from a list of files 
(such as wrdsk by Arnold Metselaar), but I'm not sure if they can handle 
images larger than 720K.

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.

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.

Bye,
                Maarten

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