[Coco] Disk Basic and 512 byte block floppies.

[Paul T. Barton]

John,

If you read past the 256 byte boundary you'll
probably see $FF everywhere. When the data stops
being sent, it fills with a byte of data to the
end of the sector. So, it may not be a vlaid
sector after 256 bytes.

Paul T Barton

--- "John E. Malmberg" <wb8tyw at qsl.net> wrote:
> After reading about how the IDE was supported
> on HGB dos, I decided to 
> try an experiment with ROM BASIC on a COCO II.
> 
> I formatted a 720K 3.5 inch floppy with 512
> byte sectors on OpenVMS 
> because ODS-2 puts some readable ASCII in the
> first sector.
> 
> 
> I then put the floppy in the Color Computer,
> and used the DSKI$ command 
> to read the first sector.  The CLEAR 520
> command is needed to reserve 
> enough string space.
> 
> The text string "OPENVMS      is not a system
> disk" was clearly 
> displayed on the Color Computer.
> 
> I then did A$="HELLO FROM COLOR COMPUTER", and
> used the DSKO$ command to 
> write it to the disk.
--snipped--


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