[Coco] Xroar hard drives

Tormod Volden lists.tormod at gmail.com
Mon Dec 20 17:46:12 EST 2021


On Sat, Dec 18, 2021 at 2:01 AM Robert Gault wrote:
>
> Well I could create the blank disk and rxtract the header. However the .vhd I want to use has 256 byte not 512 byte sectors.
> When I put the header on the .vhd, xroar still send a hard drive could not be found. However there was no change to the new .dsk .
> Maybe it will be necessary to convert the .vhd to 512 byte sectors which I don't know how to do.

The toolshed "decb hdbconv" command is meant to do this for HDB-DOS
disk images (without header). Maybe you can try this.

> Also I don't know if the hdblba.rom can handle a .vhd which has an OS-9 partition and a Disk Basic partition.

I believe hdblba.rom does it in the usual way, with the DECB sector
offset set at $D938 (three bytes).

Tormod


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