[Coco] OS9 vs Flex

[John Kent]

On 1/01/2012 7:20 AM, john dumas wrote:
> On 12/31/2011 11:02 AM, Frank Swygert wrote:
>> Hmmm... I seem to recall Frank Hogg's articels saying that Flex was 
>> at least multi-user, if not multi-tasking. Seems like one would have 
>> to go with the other, but it's possible that each user could only run 
>> one task at a time instead of many... I don't recall enough!! Need to 
>> find one of Hogg's Rainbow articles/ads...
> Been looking at the source code for SWTP 6809 Flex this past year. I 
> can see no way that more than
> one user could be using it at once. As others have said. it looks like 
> a CP/M for '00 & '09.
>
> No concept of user login at all. One terminal. Single tasking - no 
> scheduler, Flex or the
> program (singular) it launches owns the entire machine............etc
>
> Cheers,
> johnd
>

There is interrupt driven printer spooling. The disk drivers set the 
interrupt flag so that the interrupts won't interrupt the disk 
read/write sector operations.

John.

-- 
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