[Coco] OS9 vs RSDOS disks

[billg999 at cs.uofs.edu]

> 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?

Did you miss the "Catch Fire" part?  It has been a long time but
I remember clearly that this instruction got its name because it
would cause the the processor to overheat to the point of self-
destruction.

bill

>
> 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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