[Coco] OS-9 History

L. Curtis Boyle curtisboyle at sasktel.net
Sat Apr 27 01:16:48 EDT 2013


From what I remember, BASIC09 was actually first, and then OS-9. And Microware had done a 6800-based OS (rt-68 or something like that) before Motorola brought out the 6809 chip. 

Sent from my iPhone

On 2013-04-26, at 9:20 PM, "George Ramsower" <georgera at gvtc.com> wrote:

> I really want to know, and I'm waiting to hear/read about the history of 
> OS9.
> 
> If memory serves me correctly....
> 
> I've read, many years ago, that Microware wanted to make a RTOS for a 
> microcomputer to be similar to Unix and that the 6809 was perfect(at the 
> time) for this application. I've even read that OS9 was developed for NASA 
> on the eary missions and BASIC09 was developed for the Radio Shack release.
> 
> Don't know if any of this is true but, that's what I remember.
> 
> I'm really intersted to see some input on this.
> 
> George
> 
>  ----- Original Message ----- 
>  From: Wayne Campbell
> 
>  I believe that OS-9 was designed to provide a base from which Basic09 
> could show the capabilities of the 6809 processor. In addition the RTS 
> capability of the os was to show that a real-time os was possible with the 
> 6809 as well.
> 
>  Thierry Mella <thierry.mella at skynet.be> wrote:
> 
> 
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