[Coco] Writing a virtual GPU / FPU device.

[L. Curtis Boyle]

That should say “Glenside”. 

Sent from my iPhone

> On May 30, 2019, at 11:32 PM, L. Curtis Boyle <curtisboyle at sasktel.net> wrote:
> 
> I can confirm that the angle side IDE has a jumper between FF50 and FF70. 
> 
> Sent from my iPhone
> 
>>> On May 30, 2019, at 10:49 PM, RETRO Innovations <go4retro at go4retro.com> wrote:
>>> 
>>> On 5/30/2019 10:42 PM, Bill Nobel wrote:
>>> Although it’s not complete, but thanks Jim.  I was looking for the same type of thing.  I do have a question though.  You have blue as Alternate Primary, is this a ghost image of the device? I.E. if I Poke to $FF50 for the Glenside does the same value appear at $FF70?
>> 
>> No, I understood those devices have a jumper or some configuration setting to "move" the base address.
>> 
>> The addresses you would note as "ghost image" I note in the spreadsheet as "mirrored address", I think.
>> 
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