[Coco] 256K J&R Banker and OS-9

[Bruce W. Calkins]

Regrettably, Most of my CoCo's have been in storage since my move summer 
'04.   So I've done little with them.

The J & R Banker requires a change in the boot sector of the OS-9 Level 
One disk.  The program is in RS-Basic, so someone with a understanding 
of what's where on the OS-9 disk should be able to figure out what is 
changed to accommodate the increased RAM.

In Summary, the J & R Banker operates in 64k for OS-9 Level One, with 
the availability of a RAM-Disk, and I expect it will do the same for 
NITROS9 L1 for CoCo 1 machines.  The lack of CoCo 3 specific hardware 
will limit its use of the 9309 optimized code as used in the CoCo 3.

Do you need the documentation and/or the software that goes with the 
hardware?

Bruce W.


Boisy Pitre wrote:
> Bruce Calkins and I had some discussion about this, though I don't  
> think I ever got any driver software from him.  If you come across  it, 
> let me know and I'll put it in the NitrOS-9 Project repository.
> 
> Boisy
> 
> On Dec 28, 2005, at 7:59 AM, A Schober wrote:
> 
>> I have come across a 256K J&R Banker in a CoCo I (with
>> 6309!).  Is it possible to run OS9/L2 (or NitrOS9)
>> with such a memory switcher?
>>
>> Thoughts?
>>
>> -Arnold Shober
>>
>>
>>     
>>        
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