[Coco] The DOS command

[Alex Evans]

I believe that DECB 1.0 only shipped on the +12v controllers.

On Thu, Nov 7, 2019 at 1:00 PM Salvador Garcia via Coco
<coco at maltedmedia.com> wrote:
>
>  Thanks all, I appreciate it! Salvador
>
>
>     On Thursday, November 7, 2019, 10:45:53 AM CST, William Astle <lost at l-w.ca> wrote:
>
>  The DOS command reads track 34 (all 18 sectors) to address $2600. Then
> it checks to see if the first two bytes are "OS". If so, it jumps to
> $2602. Otherwise, it returns to Basic.
>
> That means you can put any program you want on track 34 and as long as
> the first two bytes are "OS", DOS will launch it.
>
> It may be a good idea not to assume the load address but there are no
> variants of the DOS command that I'm aware of that use a different address.
>
> On 2019-11-07 9:26 a.m., Salvador Garcia via Coco wrote:
> > I am curious as to how the DOS command (in Extended Disk BASIC) works. I looked for it and found this charming description in the Quick Reference Guide:
> > <snipped>
>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco