Date   : Fri, 04 Dec 2009 00:45:15 +0100
From   : kortink@... (John Kortink)
Subject: Tube - I/O processor memory questions

On 03 Dec 2009 21:47:47 +0000, jgh@... (Jonathan Graham
Harston) wrote:

>[...]
>
>> >It's in the various Tube documentation. On Soft Break the last CAO
>> >(Currently Active Object - code with an image header, the same as a
>> >ROM header) will be re-entered.
>> 
>> That's nonsense. A language doesn't need to have
>> a ROM header. If it has one, it is validated, but
>> that is all.
> 
>No, if entered code has a header, it becomes (in modern parlance)
>the Currently Active Object, and is re-entered on Break, and can
>only be exited by entering something else. If the entered code does
>not have a header, then is does not become the CAO

Yes, it does.

Not least because it would be pretty silly to require
applications to have a ROM header.


John Kortink

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