[Coco] GIME questions

[Robert Gault]

David Gacke wrote:

> Hi Robert,
> 
> Sorry it wasn't clear. So far, you are correct though.  I am stepping
> thru the code with my dsPIC CPU that I'm coding, not a 6809 or 6309 and
> am trying to figure out what I broke.
> 
> To try and put it simply, by looking at that startup code, what would
> make a shadow copy of what is located at C000 appear at 4000.

Actually that is not the case. The code from Begmove ($C03F) through 
Endmove ($C36C) is copied.
> 
> Which GIME registers bits would I set if I wanted to do this
> intentionally?
> 
> I've stepped thru the code and am not finding a broken instruction. I
> want to fully understand how to reproduce this intentionally, maybe then
> I can figure out what is going wrong.
> 
> This one has me a little bit stumped, especially since I've never really
> done assembly on the CoCo (lots of other systems though), and I've never
> twiddled the bits on the GIME before.
> 
> Thanks very much for the assistance.
> 
> Dave
> 
> 
 ><snip>