[Coco] OS9 vs RSDOS disks

[john dumas]

On 6/13/2013 9:16 PM, billg999 at cs.uofs.edu wrote:
> [snip]
>>   Anyway, the only way you can hurt you computer is by striking it sharply
>> with a sledge hammer.
> People believed that at one time, but it is not necessarily true.
> I think the 6809 has an HCF instruction.  I agree that there should
How would the "Halt & Catch Fire" instruction (incrementing reads, forever)
cause physical damage to your computer?
Damage like a sledge hammer impact?

cheer,
johnd

> be a way to look at the data on a disk and tell what kind of disk
> it is.  But then, just telling the difference between OS9 and DECB
> is only useful if you know for a fact that you have no other format
> flopies laying around.
>
> bill
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